He Huang

Also known as: He Helen Huang; He (Helen) Huang; Helen Huang; He Huang

wearable robotics, neural-machine interface, robotic prosthetics, exoskeleton, optimal adaptive control

Works (226)

Updated: May 1st, 2024 05:54

2024 journal article

Abduction/Adduction Assistance From Powered Hip Exoskeleton Enables Modulation of User Step Width During Walking

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 71(1), 334–342.

By: A. Alili n, A. Fleming n, V. Nalam n, M. Liu n, J. Dean* & H. Huang n

author keywords: Hip; Exoskeletons; Legged locomotion; Behavioral sciences; Torque; Foot; Admittance control; Robotic hip exoskeleton; human-exoskeleton interaction; mediolateral balance assistance; gait stability
TL;DR: Tuning of stiffness in admittance control of a hip exoskeleton, acting in mediolateral direction, can be a viable way for controlling step width in normal walking and pave a new way for future design and control of wearable robotics in enhancing mediolateral walking balance for various rehabilitation applications. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 16, 2023

2024 article

Human-Centered Evaluation of EMG-Based Upper-Limb Prosthetic Control Modes

Liu, Y., Berman, J., Dodson, A., Park, J., Zahabi, M., Huang, H., … Kaber, D. B. (2024, April 11). IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS, Vol. 4.

By: Y. Liu*, J. Berman n, A. Dodson n, J. Park*, M. Zahabi, H. Huang n, J. Ruiz*, D. Kaber*

author keywords: Task analysis; Electromyography; Prosthetics; Muscles; Wrist; Cognitive load; Usability; Electromyography (EMG); human-centered design; prosthetic control; prosthetics
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 22, 2024

2024 journal article

Integrating Upper-Limb Prostheses with the Human Body: Technology Advances, Readiness, and Roles in Human–Prosthesis Interaction

Annual Review of Biomedical Engineering.

By: H. Huang n, L. Hargrove*, M. Ortiz-Catalan* & J. Sensinger*

Source: ORCID
Added: April 22, 2024

2024 journal article

Modified motor unit properties in residual muscle following transtibial amputation

JOURNAL OF NEURAL ENGINEERING, 21(1).

author keywords: amputation; firing rate; motor unit; recruitment threshold; surface electromyogram
TL;DR: Models of MU recruitment and discharge patterns for residual muscle EMG generation need reparameterization to account for disturbances observed, and peripheral neuromuscular damage also leads to spinal-level functional reorganization. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: February 12, 2024

2024 review

NSF DARE-Transforming modeling in neurorehabilitation: Four threads for catalyzing progress

[Review of ]. JOURNAL OF NEUROENGINEERING AND REHABILITATION, 21(1).

author keywords: Conference; Computational neuroscience; Rehabilitation; Adaptation; Plasticity; Personalization; Human-device interactions; Wearables; Big-data
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 15, 2024

2023 article

1-D Manual Tracing Based on a High Density Haptic Stimulation Grid - a Pilot Effort

2023 IEEE WORLD HAPTICS CONFERENCE, WHC, pp. 375–381.

By: B. Driscoll n, M. Liu n & H. Huang n

author keywords: haptics; sensory substitution; phantom actuator
TL;DR: This study developed an encoding approach, which is based on the illusory “phantom actuator” phenomenon, to convert 1-D position information to a wearer through a bHaptics Tactsuit, and demonstrated an improvement of velocity tracing accuracy with the proposed approach. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 16, 2023

2023 journal article

A Novel Framework to Facilitate User Preferred Tuning for a Robotic Knee Prosthesis

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 31, 895–903.

By: A. Alili n, V. Nalam n, M. Li n, M. Liu n, J. Feng n, J. Si*, H. Huang n

Contributors: A. Alili n, V. Nalam n, M. Li n, M. Liu n, J. Feng n, J. Si*, H. Huang n

author keywords: Prosthetics; Knee; Robots; Tuning; Legged locomotion; Impedance; Wearable robots; Robotic knee prosthesis; human-in-the-loop optimization; user preference; reinforcement learning; user-controlled interface
TL;DR: This study proposes and evaluates a novel prosthesis control tuning framework for a robotic knee prosthesis, which could enable user preferred robot behavior in the device tuning process, and shows effectiveness of the developed framework in tuning 12 prosthetic control parameters while meeting the user-selected knee kinematics. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 15, 2023

2023 article

A Robotic Assistance Personalization Control Approach of Hip Exoskeletons for Gait Symmetry Improvement

2023 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS), pp. 6125–6132.

By: Q. Zhang n, X. Tu*, J. Si*, M. Lewek* & H. Huang n

TL;DR: A hierarchical control framework for a bilateral hip exoskeleton to provide the adaptive optimal hip joint assistance with a control objective of imposing the desired gait symmetry during walking is proposed. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024

2023 article

A Wearable Robotic Rehabilitation System for Neuro-rehabilitation Aimed at Enhancing Mediolateral Balance

2023 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS, IROS, pp. 155–160.

By: Z. Yu n, V. Nalam n, A. Alili n & H. Huang n

TL;DR: A neurorehabilitation platform by integrating a wearable robotic hip abduction-adduction exoskeleton with a visual interface expected to influence and rehabilitate the underlying visuomotor mechanisms in individuals by having users perform motion tasks based on visual feedback while the robot applies various controlled resistances governed by the admittance controller implemented in the robot. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024

2023 journal article

A simplified model for whole-body angular momentum calculation

MEDICAL ENGINEERING & PHYSICS, 111.

By: M. Liu n, A. Naseri n, I. Lee n, X. Hu n, M. Lewek n & H. Huang n

Contributors: M. Liu n, A. Naseri n, I. Lee n, X. Hu n, M. Lewek n & H. Huang n

author keywords: Angular momentum; Gait stability; Wearable system; Rigid body model
MeSH headings : Humans; Biomechanical Phenomena; Gait; Lower Extremity; Amputation, Surgical; Motion
TL;DR: This study developed a simplified rigid body model by merging connected body segments to reduce the number of body segments, which need to be monitored, and demonstrated that the Lbody could be estimated by a seven-segment model accurately for both people with and without lower extremity amputation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 27, 2023

2023 journal article

Angle-programmed tendril-like trajectories enable a multifunctional gripper with ultradelicacy, ultrastrength, and ultraprecision

NATURE COMMUNICATIONS, 14(1).

By: Y. Hong n, Y. Zhao n, J. Berman n, Y. Chi n, Y. Li n, H. Huang n, J. Yin n

Sources: Web Of Science, NC State University Libraries
Added: September 5, 2023

2023 journal article

Ankle Torque Estimation With Motor Unit Discharges in Residual Muscles Following Lower-Limb Amputation

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 31, 4821–4830.

By: N. Rubin*, R. Hinson*, K. Saul n, X. Hu* & H. Huang*

author keywords: Amputation; EMG; motor unit; neural-machine interface; prosthesis control
TL;DR: Results suggest MUDrive significantly outperforms EMG and ND methods in muscles of NON, as well as both intact and residual muscles of AMP, and integrating MU discharges with modeled biomechanical outputs may provide a more accurate torque control signal than direct EMG control of assistive, lower-limb devices. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 11, 2024

2023 article

Artificial intelligence meets medical robotics

Yip, M., Salcudean, S., Goldberg, K., Althoefer, K., Menciassi, A., Opfermann, J. D. D., … Lee, I.-C. (2023, July 14). SCIENCE, Vol. 381, pp. 141–146.

By: M. Yip*, S. Salcudean*, K. Goldberg*, K. Althoefer*, A. Menciassi*, J. Opfermann*, A. Krieger*, K. Swaminathan* ...

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 28, 2023

2023 article

Assessing workload in using electromyography (EMG)-based prostheses

Park, J., Berman, J., Dodson, A., Liu, Y., Armstrong, M., Huang, H., … Zahabi, M. (2023, June 10). ERGONOMICS, Vol. 6.

By: J. Park*, J. Berman n, A. Dodson n, Y. Liu*, M. Armstrong*, H. Huang n, D. Kaber*, J. Ruiz*, M. Zahabi*

author keywords: Mental workload; prosthesis; classification; machine learning
TL;DR: The findings suggested that task performance measures, pupillometry data, and CPM outcomes, combined with the naïve bayes (NB) and random forest (RF) algorithms, are most promising for classifying cognitive workload. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: June 26, 2023

2023 article

Closed-Loop Feedback Control of Human Step Width During Walking by Mediolaterally Acting Robotic Hip Exoskeleton

2023 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS), pp. 6097–6102.

By: A. Alili n, V. Nalam n, A. Fleming n, M. Liu n, J. Dean* & H. Huang n

TL;DR: This study successfully demonstrated the feasibility of controlling step width using a mediolaterally acting robotic hip exoskeleton and was able to effectively adjust the user's step width by increasing or decreasing it to predefined targets through the regulation of admittance control parameters governing the device. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024

2023 conference paper

Cognitive Workload and Usability of Virtual Reality Simulation for Prosthesis Training

2023 IEEE International Conference on Systems, Man, and Cybernetics (SMC).

By: J. Park*, A. Music*, D. Delgado*, J. Berman n, A. Dodson n, Y. Liu*, J. Ruiz*, H. Huang n, D. Kaber*, M. Zahabi*

Source: ORCID
Added: April 22, 2024

2023 article

Development and Online Validation of an Intrinsic Fault Detector for a Powered Robotic Knee Prosthesis

2023 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS, IROS, pp. 2158–2164.

By: A. Naseri n, M. Liu n, I. Lee n & H. Huang n

TL;DR: This paper focuses on designing an active fault detector for a robotic knee prosthesis and demonstrates its effectiveness in real time, and expects that this detector can be integrated into a fault tolerance strategy to enhance the reliability and safety of robotic prosthetic legs, enabling users to perform their everyday tasks with greater confidence. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024

2023 conference paper

Finding a Natural Fit: A Thematic Analysis of Amputees’ Prosthesis Setting Preferences during User-Guided Auto-Tuning

Proceedings of the Human Factors and Ergonomics Society Annual Meeting.

By: J. Yuan n, X. Bai n, A. Alili n, M. Liu n, J. Feng n & H. Huang n

Source: ORCID
Added: April 22, 2024

2023 journal article

Harnessing Machine Learning and Physiological Knowledge for a Novel EMG-Based Neural-Machine Interface

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 70(4), 1125–1136.

By: J. Berman n, R. Hinson n, I. Lee n & H. Huang n

Contributors: J. Berman n, R. Hinson n, I. Lee n & H. Huang n

author keywords: Electromyography; Decoding; Solid modeling; Electrodes; Artificial neural networks; Muscles; Machine learning; Artificial neural network; electromyography (EMG); musculoskeletal model; neural machine interface; reinforcement learning
MeSH headings : Electromyography / methods; Hand / physiology; Upper Extremity; Posture; Machine Learning
TL;DR: Combining the concepts of machine learning and musculoskeletal modeling has resulted in a more robust joint kinematics decoder than either concept individually, which may result in a novel, highly reliable controller for powered prosthetic hands. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 15, 2023

2023 journal article

Hierarchical Optimization for Control of Robotic Knee Prostheses Toward Improved Symmetry of Propulsive Impulse

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 70(5), 1634–1642.

By: M. Li n, W. Liu, J. Si*, J. Stallrich n & H. Huang n

Contributors: M. Li n, W. Liu, J. Si*, J. Stallrich n & H. Huang n

author keywords: Prosthetics; Knee; Robots; Legged locomotion; Kinematics; Optimization; Impedance; Human-in-the-loop; Bayesian optimization; reinforcement learning; gait symmetry; robotic prostheses
MeSH headings : Humans; Knee Prosthesis; Robotics; Robotic Surgical Procedures; Gait; Walking; Knee Joint / surgery; Biomechanical Phenomena
TL;DR: This work proposes a novel hierarchical framework to personalize robotic knee prosthesis control and improve overall gait performance and shows that the design successfully shaped the target knee kinematics as well as configured 12 impedance control parameters to improve propulsive impulse symmetry of the human users. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 15, 2023

2023 journal article

Investigating the Association of Quantitative Gait Stability Metrics With User Perception of Gait Interruption Due to Control Faults During Human-Prosthesis Interaction

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 31, 4693–4702.

By: A. Naseri n, I. Lee n, H. Huang n & M. Liu n

author keywords: Gait stability measurements; internal disturbance in robotic prosthesis; powered knee prosthesis; individuals with transfemoral amputation; gait stability perception
TL;DR: The results showed that the center of pressure progression in the sagittal plane and knee momentum can potentially estimate the users’ perceptions of gait stability when experiencing disturbances, which can help improve the development and evaluation ofgait stability control algorithms in robotic prosthetic devices. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 2, 2024

2023 journal article

Neural prosthesis control restores near-normative neuromechanics in standing postural control

SCIENCE ROBOTICS, 8(83).

By: A. Fleming n, W. Liu n & H. Huang n

TL;DR: The potential benefit of direct EMG control of robotic lower limb prostheses to restore normative postural control strategies (both neural and biomechanical) toward enhancing standing postural stability in amputee users is demonstrated. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: December 4, 2023

2023 journal article

Offline Evaluation Matters: Investigation of the Influence of Offline Performance of EMG-Based Neural-Machine Interfaces on User Adaptation, Cognitive Load, and Physical Efforts in a Real-Time Application

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 31, 3055–3063.

By: R. Hinson n, J. Berman n, I. Lee n, W. Filer* & H. Huang n

author keywords: EMG decoding; neural machine interface; cognitive load; adaptation
TL;DR: The results imply that the offline performance of EMG-based NMIs provide important insight to users’ abilities to utilize them and should play an important role in research and development of novel NMI algorithms. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 28, 2023

2023 journal article

Offline Evaluation Matters: Investigation of the Influence of Offline Performance on Real-Time Operation of Electromyography-Based Neural-Machine Interfaces

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 31, 680–689.

By: R. Hinson n, J. Berman n, W. Filer*, D. Kamper n, X. Hu n & H. Huang n

Contributors: R. Hinson n, J. Berman n, W. Filer*, D. Kamper n, X. Hu n & H. Huang n

author keywords: Electromyography; Real-time systems; Decoding; Task analysis; Artificial neural networks; Wrist; Measurement; machine learning; neural-machine interface; offline analysis; real-time performance
TL;DR: The use and validity of offline analyses for optimization of NMIs in myoelectric control research and development are supported and significant improvements in each real-time task evaluation metric were observed. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 15, 2023

2023 journal article

Reinforcement Learning Control With Knowledge Shaping

IEEE Transactions on Neural Networks and Learning Systems.

By: X. Gao*, J. Si* & H. Huang n

Contributors: X. Gao*, J. Si* & H. Huang n

TL;DR: This work formalizes knowledge transfer by expressing knowledge in the value function in the authors' problem construct, which is referred to as reinforcement learning with knowledge shaping (RL-KS), and provides extensive and systematic evaluations of the proposed RL-KS method. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2023 journal article

Sensory restoration for improved motor control of prostheses

CURRENT OPINION IN BIOMEDICAL ENGINEERING, 28.

By: L. Fisher*, R. Gaunt* & H. Huang n

author keywords: Neuroprosthetics; Somatosensory feedback; Motor control; Neural
TL;DR: A brief overview of somatosensory neuroprostheses is provided and several important steps remain before they can achieve widespread clinical adoption outside the lab setting are explored. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 16, 2023

2023 article

Towards Personalized Control for Powered Knee Prostheses: Continuous Impedance Functions and PCA-Based Tuning Method

2023 INTERNATIONAL CONFERENCE ON REHABILITATION ROBOTICS, ICORR.

By: W. Hong n & H. Huang n

TL;DR: A novel approach for tuning knee prostheses using continuous impedance functions (CIFs) and Principal Component Analysis (PCA), which generates CIFs via convex optimization and extracts principal components (PCs) that capture common features. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 2, 2024

2022 journal article

A New Robotic Knee Impedance Control Parameter Optimization Method Facilitated by Inverse Reinforcement Learning

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(4), 10882–10889.

By: W. Liu n, R. Wu*, J. Si* & H. Huang n

Contributors: W. Liu n, R. Wu*, J. Si* & H. Huang n

author keywords: Reinforcement learning; learning from demonstration; wearable robotics; compliance and impedance control
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 6, 2022

2022 conference paper

Admittance Control Based Human-in-the-Loop Optimization for Hip Exoskeleton Reduces Human Exertion during Walking

Proceedings - IEEE International Conference on Robotics and Automation, 6743–6749.

By: V. Nalam n, X. Tu*, M. Li n, J. Si* & H. Huang n

Contributors: V. Nalam n, X. Tu*, M. Li n, J. Si* & H. Huang n

Source: ORCID
Added: March 15, 2023

2022 journal article

Characterizing Prosthesis Control Fault During Human-Prosthesis Interactive Walking Using Intrinsic Sensors

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(3), 8307–8314.

By: A. Naseri n, M. Liu n, I. Lee n, W. Liu n & H. Huang n

Contributors: A. Naseri n, M. Liu n, I. Lee n, W. Liu n & H. Huang n

author keywords: Prosthetics and exoskeletons; safety in HRI; failure detection and recovery; physical human-robot interaction
TL;DR: A procedure to study human-robot fault tolerance and inform the future design of robust prosthesis control is presented and the potential of using machine-learning-based schemes in identifying prostheses control faults based on intrinsic sensors on the prosthesis is demonstrated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 29, 2022

2022 conference paper

Cognitive Workload Classification of Upper-limb Prosthetic Devices

Proceedings of the 2022 IEEE International Conference on Human-Machine Systems, ICHMS 2022.

By: J. Park*, J. Berman n, A. Dodson n, Y. Liu*, A. Matthew*, H. Huang n, D. Kaber*, J. Ruiz*, M. Zahabi*

Contributors: J. Park*, J. Berman n, A. Dodson n, Y. Liu*, A. Matthew*, H. Huang n, D. Kaber*, J. Ruiz*, M. Zahabi*

TL;DR: Exploring subsets of input features that can be easily captured during early stages of the design cycle to classify CW of electromyography (EMG)-based upper-limb prostheses revealed that the CPM outcomes and prosthetic device configuration were the most important features for reasonably classifying CW responses under low cost. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2022 article

Design of EMG-driven Musculoskeletal Model for Volitional Control of a Robotic Ankle Prosthesis

2022 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS), pp. 12261–12266.

By: C. Shah n, A. Fleming n, V. Nalam n, M. Liu n & H. Huang n

Contributors: C. Shah n, A. Fleming n, V. Nalam n, M. Liu n & H. Huang n

TL;DR: The proposed controller ensures continuous control of the device, allowing users to freely manipulate the prosthesis behavior, and may further improve the function of robotic prosthesis for supporting versatile activities in individuals with lower-limb amputations. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 13, 2023

2022 article

Design of EMG-driven musculoskeletal model for volitional control of a robotic ankle prosthesis

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85125688202&partnerID=MN8TOARS

By: C. Shah, A. Fleming, V. Nalam & H. Huang

Contributors: C. Shah, A. Fleming, V. Nalam & H. Huang

Source: ORCID
Added: March 15, 2023

2022 journal article

Evoked Tactile Feedback and Control Scheme on Functional Utility of Prosthetic Hand

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(2), 1300–1307.

By: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

author keywords: Tactile sensation; transcutaneous nerve stimulation; prosthetic hand; functional task; haptic feedback
TL;DR: The findings reveal that non-invasively evoked tactile feedback could be used to effectively enable human-in-the-loop control of a prosthetic hand and can provide a platform to characterize the action-perception couplings during prosthetic control in order to improve user experience and system functionality. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 7, 2022

2022 journal article

Finger Force Estimation Using Motor Unit Discharges Across Forearm Postures

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 69(9), 2767–2775.

By: N. Rubin n, Y. Zheng*, H. Huang n & X. Hu n

Contributors: N. Rubin n, Y. Zheng*, H. Huang n & X. Hu n

author keywords: Electromyography; Force; Fingers; Firing; Muscles; Electrodes; Decoding; Biosignal processing; Finger force estimation; Forearm posture; Motor unit decomposition; Neural decoding
MeSH headings : Electromyography / methods; Fingers; Forearm; Humans; Isometric Contraction; Muscle, Skeletal; Posture; Upper Extremity
TL;DR: The results suggest that MU firings can be extracted reliably with little influence from forearm posture, highlighting its potential as an alternative decoding scheme for robust and continuous control of assistive devices. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 6, 2022

2022 journal article

Fusion of Human Gaze and Machine Vision for Predicting Intended Locomotion Mode

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 30, 1103–1112.

By: M. Li n, B. Zhong n, E. Lobaton n & H. Huang n

Contributors: M. Li n, B. Zhong n, E. Lobaton n & H. Huang n

author keywords: Wearable robots; Feature extraction; Point cloud compression; Machine vision; Cameras; Legged locomotion; Visualization; Human gaze; machine vision; intent recognition; wearable robot; deep learning
MeSH headings : Algorithms; Humans; Intention; Locomotion; Lower Extremity; Walking
TL;DR: A novel system that fuses the human gaze and machine vision for locomotion intent recognition of lower limb wearable robots is developed, showing high accuracy of intent recognition and reliable decision-making on locomotion transition with adjustable lead time. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 4, 2022

2022 article

Human-Prosthesis Cooperation: Combining Adaptive Prosthesis Control with Visual Feedback Guided Gait

ResearchSquare.

By: B. Fylstra, I. Lee, M. Li, M. Lewek & H. Huang

Contributors: B. Fylstra, I. Lee, M. Li, M. Lewek & H. Huang

Source: ORCID
Added: March 15, 2023

2022 journal article

Human-prosthesis cooperation: combining adaptive prosthesis control with visual feedback guided gait

JOURNAL OF NEUROENGINEERING AND REHABILITATION, 19(1).

By: B. Fylstra n, I. Lee n, M. Li n, M. Lewek* & H. Huang n

Contributors: B. Fylstra n, I. Lee n, M. Li n, M. Lewek* & H. Huang n

author keywords: Human-in-the-loop optimization; Transfemoral amputee; Powered prosthesis tuning; Visual feedback; Gait
MeSH headings : Humans; Feedback, Sensory; Gait; Artificial Limbs; Walking; Biomechanical Phenomena; Prosthesis Design; Amputees
TL;DR: Novel insights are provided on human-prosthesis interaction when cooperating in walking which may guide the future successful adoption of this paradigm in prosthesis control personalization or human-in-the-loop optimization to improve the prosthesis user’s gait performance. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 3, 2023

2022 journal article

Imposing Healthy Hip Motion Pattern and Range by Exoskeleton Control for Individualized Assistance

IEEE Robotics and Automation Letters, 7(4), 11126–11133.

Contributors: Q. Zhang*, V. Nalam*, X. Tu*, M. Li*, J. Si*, M. Lewek*, H. Huang*

author keywords: Assistance personalization; locomotion; policy iteration; prosthetics and exoskeletons; rehabilitation robotics; reinforcement learning
TL;DR: A model-free reinforcement learning (RL)-based control framework to achieve a normative range of motion and gait pattern of the hip joint during walking and provides personalized assistance torque profile by heuristically manipulating three control parameters for hip flexion and extension, respectively, during walking. (via Semantic Scholar)
Source: ORCID
Added: October 18, 2022

2022 journal article

Inferring Human-Robot Performance Objectives During Locomotion Using Inverse Reinforcement Learning and Inverse Optimal Control

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(2), 2549–2556.

By: W. Liu n, J. Zhong*, R. Wu*, B. Fylstra n, J. Si* & H. Huang n

Contributors: W. Liu n, J. Zhong*, R. Wu*, B. Fylstra n, J. Si* & H. Huang n

author keywords: Learning from demonstration; reinforcement learning; wearable robotics
TL;DR: This study proposes a new inverse approach from observed human-robot walking behavior to infer a human- robot collective performance objective represented in a quadratic form and introduces a new tool to the field of wearable lower limb robots. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 14, 2022

2022 article

Introduction to the Special Section on Wearable Robots

Moreno, J. C., Vitiello, N., Walsh, C., Huang, H., & Mohammed, S. (2022, June). IEEE TRANSACTIONS ON ROBOTICS, Vol. 38, pp. 1338–1342.

Contributors: J. Moreno*, N. Vitiello*, C. Walsh*, H. Huang n & S. Mohammed*

author keywords: Special issues and sections; Wearable robots; Biomedical monitoring; Patient rehabilitation; Safety; Human factors
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 20, 2022

2022 journal article

Is there a trade-off between economy and task goal variability in transfemoral amputee gait?

JOURNAL OF NEUROENGINEERING AND REHABILITATION, 19(1).

By: I. Lee n, B. Fylstra n, M. Liu n, T. Lenzi* & H. Huang n

Contributors: I. Lee n, B. Fylstra n, M. Liu n, T. Lenzi* & H. Huang n

author keywords: Mechanical energy; Goal equivalent manifold; Transfemoral amputee; Energy recovery rate; Walking
MeSH headings : Amputees; Artificial Limbs; Gait / physiology; Goals; Humans; Walking / physiology
TL;DR: This study investigated how unilateral transfemoral amputees regulate step and stride variability based on the task to achieve energy economy and found a negative relationship between energy recovery rate and non-goal-equivalent variability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 4, 2022

2022 chapter

Neural Coherence of Homologous Muscle Pairs During Direct EMG Control of Standing Posture in Transtibial Amputees

In Biosystems & Biorobotics (Vol. 28, pp. 139–143).

By: A. Fleming n, W. Liu & H. Huang n

Contributors: A. Fleming n, W. Liu & H. Huang n

TL;DR: The potential for transtibial amputees to closely coordinate residual muscle activations with intact muscles given sufficient training is demonstrated and it is further possible amputee adapt sources of descending neural commands between homologous muscle pairs after guided training. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: ORCID
Added: November 21, 2021

2022 journal article

Object Recognition via Evoked Sensory Feedback during Control of a Prosthetic Hand

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(1), 207–214.

By: L. Vargas n, H. Huang n, Y. Zhu n & X. Hu n

Contributors: L. Vargas n, H. Huang n, Y. Zhu n & X. Hu n

author keywords: Haptic and proprioceptive sensation; transcutaneous nerve stimulation; vibrotactile stimulation; stiffness recognition; size recognition
TL;DR: The findings show that evoked somatosensory feedback in a non-invasive manner can facilitate closed-loop control of the prosthetic hand and allowed for simultaneous recognition of different object properties. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 15, 2021

2022 journal article

Reinforcement Learning Impedance Control of a Robotic Prosthesis to Coordinate With Human Intact Knee Motion

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(3), 7014–7020.

By: R. Wu*, M. Li n, Z. Yao*, W. Liu n, J. Si* & H. Huang n

Contributors: R. Wu*, M. Li n, Z. Yao*, W. Liu n, J. Si* & H. Huang n

author keywords: Reinforcement learning; prosthetics and exoskeletons; compliance and impedance control; physical human-robot interaction
TL;DR: By formulating the “echo control” of the robotic knee as a reinforcement learning problem, this paper provides a promising new tool for real-time tracking control design without explicitly representing the underlying dynamics using a mathematical model, which can be difficult to obtain for a human-robot system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 27, 2022

2022 journal article

Reliable Vision-Based Grasping Target Recognition for Upper Limb Prostheses

IEEE TRANSACTIONS ON CYBERNETICS, 52(3), 1750–1762.

By: B. Zhong n, H. Huang n & E. Lobaton n

Contributors: B. Zhong n, H. Huang n & E. Lobaton n

author keywords: Grasping; Uncertainty; Prosthetics; Task analysis; Target recognition; Bayes methods; Prediction algorithms; Bayesian deep learning (BDL); grasping strategy; reliable computer vision; upper limb prosthesis
MeSH headings : Arm; Artificial Limbs; Bayes Theorem; Hand Strength; Humans; Robotics; Upper Extremity
TL;DR: A novel, reliable vision-based framework to assist upper limb prosthesis grasping during arm reaching using Bayesian deep learning (BDL) and a probability calibration network was developed to fuse the uncertainty measures into one calibrated probability for online decision making. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 11, 2020

2022 journal article

Resembled Tactile Feedback for Object Recognition Using a Prosthetic Hand

IEEE ROBOTICS AND AUTOMATION LETTERS, 7(4), 10977–10984.

By: L. Vargas n, H. Huang n, Y. Zhu n, D. Kamper n & X. Hu n

Contributors: L. Vargas n, H. Huang n, Y. Zhu n, D. Kamper n & X. Hu n

author keywords: Tactile feedback; prosthetic control; object recognition; transcutaneous nerve stimulation
TL;DR: The results showed that participants could gauge the onset timing of tactile feedback to discern object shape and size and found that the position-controller led to a greater recognition accuracy of object size compared with velocity-control, potentially due to supplemental joint position information from muscle activation level. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 6, 2022

2022 journal article

Robotic Knee Tracking Control to Mimic the Intact Human Knee Profile Based on Actor-Critic Reinforcement Learning

IEEE-CAA JOURNAL OF AUTOMATICA SINICA, 9(1), 19–30.

By: R. Wu*, Z. Yao*, J. Si* & H. Huang n

Contributors: R. Wu*, Z. Yao*, J. Si* & H. Huang n

author keywords: Automatic tracking of intact knee; configuration of robotic knee prosthesis; direct heuristic dynamic programming (dHDP); reinforcement learning control
TL;DR: This work addresses a state-of-the-art reinforcement learning (RL) control approach to automatically configure robotic prosthesis impedance parameters to enable end-to-end, continuous locomotion intended for transfemoral amputee subjects and provides tracking control of a robotic knee prosthesis to mimic the intact knee profile. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 8, 2021

2022 journal article

Sensitivity analysis guided improvement of an electromyogram-driven lumped parameter musculoskeletal hand model

JOURNAL OF BIOMECHANICS, 141.

By: R. Hinson Jr, K. Saul n, D. Kamper n & H. Huang n

Contributors: R. Hinson n, K. Saul n, D. Kamper n & H. Huang n

author keywords: Musculoskeletal modeling; Optimization; Upper limb; Rehabilitation; Musculoskeletal modeling; Optimization; Upper limb; Rehabilitation
MeSH headings : Biomechanical Phenomena; Electromyography; Hand / physiology; Humans; Models, Biological; Muscle, Skeletal / physiology; Wrist / physiology; Wrist Joint / physiology
TL;DR: This study demonstrated how sensitivity analyses can be used to guide model refinement and inform novel and improved optimization strategies, facilitating implementation of musculoskeletal models for clinical applications. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 9, 2022

2022 journal article

Standing and Walking Attention Visual Field (SWAVF) task: A new method to assess visuospatial attention during walking

APPLIED ERGONOMICS, 104.

By: J. Yuan n, X. Bai n, B. Driscoll n, M. Liu n, H. Huang n & J. Feng n

Contributors: J. Yuan n, X. Bai n, B. Driscoll n, M. Liu n, H. Huang n & J. Feng n

author keywords: Walking; Visuospatial attention; Measurement
MeSH headings : Humans; Reproducibility of Results; Sitting Position; Standing Position; Visual Fields; Walking; Young Adult
TL;DR: The newly-developed Standing and Walking Visual Attention Field task showed good psychometric properties and potential applications to the evaluation of prosthetic and other exoskeleton devices, smart glasses, and ground-level traffic lights or signs were discussed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 15, 2022

2022 journal article

Toward Safe Wearer-Prosthesis Interaction: Evaluation of Gait Stability and Human Compensation Strategy Under Faults in Robotic Transfemoral Prostheses

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 30, 2773–2782.

By: I. Lee n, M. Liu n, M. Lewek n, X. Hu n, W. Filer n & H. Huang n

Contributors: I. Lee n, M. Liu n, M. Lewek n, X. Hu n, W. Filer n & H. Huang n

author keywords: Prosthetics; Robots; Knee; Legged locomotion; IP networks; Impedance; Training; Gait stability; machine fault; powered knee prosthesis; transfemoral amputee; user-prosthesis interaction
MeSH headings : Amputees; Artificial Limbs; Biomechanical Phenomena; Gait; Humans; Prosthesis Design; Robotic Surgical Procedures; Robotics; Walking
TL;DR: The results showed that the error tolerable bound is dependent on the gait phase and the direction of torque change, and may assist the future design of an auto-tuning algorithm, volitionally-controlled powered prosthetic legs, and training of gait stability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 31, 2022

2022 article

Ultrasoft Porous 3D Conductive Dry Electrodes for Electrophysiological Sensing and Myoelectric Control

Yao, S., Zhou, W., Hinson, R., Dong, P., Wu, S., Ives, J., … Zhu, Y. (2022, May 16). ADVANCED MATERIALS TECHNOLOGIES, Vol. 5.

By: S. Yao n, W. Zhou n, R. Hinson*, P. Dong*, S. Wu n, J. Ives*, X. Hu*, H. Huang*, Y. Zhu n

Contributors: S. Yao n, W. Zhou n, R. Hinson*, P. Dong*, S. Wu n, J. Ives*, X. Hu*, H. Huang*, Y. Zhu n

author keywords: biopotential; dry electrodes; electrocardiogram; electroencephalogram; electromyogram; nanomaterials
TL;DR: Based on the muscle activities captured by the electrodes and a musculoskeletal model, electromyogram‐based neural–machine interfaces are realized, illustrating the great potential for prosthesis control, neurorehabilitation, and virtual reality. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 31, 2022

2022 chapter

Understanding Human-Prosthesis Interaction via Reinforcement Learning-Based Echo Control: A Case Study

In Biosystems & Biorobotics (Vol. 28, pp. 697–701).

By: R. Wu*, M. Li n, J. Si* & H. Huang n

Contributors: R. Wu*, M. Li n, J. Si* & H. Huang n

Source: ORCID
Added: November 21, 2021

2021 article

A Data-Driven Reinforcement Learning Solution Framework for Optimal and Adaptive Personalization of a Hip Exoskeleton

2021 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION (ICRA 2021), pp. 10610–10616.

By: X. Tu n, M. Li n, M. Liu n, J. Si* & H. Huang n

Contributors: X. Tu n, M. Li n, M. Liu n, J. Si* & H. Huang n

author keywords: Exoskeleton; reinforcement learning; optimal adaptive control; least square policy iteration; data driven
TL;DR: The results showed that the optimal and adaptive RL controller as a new approach was feasible for tuning assistive torque profile of the hip exoskeleton that coordinated with human actions and reduced activation level of hip extensor muscle in human. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 21, 2021

2021 article

A Powered Prosthetic Ankle Designed for Task Variability - A Concept Validation

2021 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS), pp. 6153–6158.

By: S. Upadhye n, C. Shah n, M. Liu n, G. Buckner n & H. Huang n

Contributors: S. Upadhye n, C. Shah n, M. Liu n, G. Buckner n & H. Huang n

TL;DR: A new active prosthetic ankle, Variable Spring embedded Motor-ball screw (VSeM) ankle, to meet all these requirements at the same time, and its capability to mimic human ankle was validated through both bench tests and human subject tests. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 journal article

A robust model-based neural-machine interface across different loading weights applied at distal forearm

BIOMEDICAL SIGNAL PROCESSING AND CONTROL, 67.

By: L. Pan* & H. Huang n

Contributors: L. Pan* & H. Huang n

author keywords: Electromyography (EMG); Neural-machine interface; Musculoskeletal model; Loading weights; Robust
TL;DR: The robustness of a generic MM-based NMI across different loading conditions is demonstrated and the outcomes indicate the potential of the multi-user NMI toward practical applications. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 24, 2021

2021 journal article

Closed-loop control of a prosthetic finger via evoked proprioceptive information

JOURNAL OF NEURAL ENGINEERING, 18(6).

By: L. Vargas n, H. Huang n, Y. Zhu n & X. Hu n

Contributors: L. Vargas n, H. Huang n, Y. Zhu n & X. Hu n

author keywords: prosthetic control; bidirectional neural-machine interface; vibratory stimulation; velocity control; position control
MeSH headings : Arm / physiology; Artificial Limbs; Feedback, Sensory / physiology; Hand / physiology; Humans; Proprioception / physiology
TL;DR: The findings suggest that closed-loop control of a prosthetic device can be achieved using non-invasive evoked proprioceptive feedback delivered to intact participants, and the evoked sensory information was integrated during myoelectric control effectively for both control strategies. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 review

Cognitive measures during walking with and without lower-limb prosthesis: protocol for a scoping review

[Review of ]. BMJ OPEN, 11(2).

By: J. Yuan n, E. Cline n, M. Liu n, H. Huang n & J. Feng n

Contributors: J. Yuan n, E. Cline n, M. Liu n, H. Huang n & J. Feng n

TL;DR: The results will contribute to the advancement of prosthesis tuning processes by reviewing the application status of cognitive measures during walking with and without prosthesis and laying the foundation for developing needed measures for cognitive assessment during walking. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 22, 2021

2021 article

Common Neural Input within and across Lower Limb Muscles: A Preliminary Study

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 6683–6686.

By: N. Rubin n, W. Liu, X. Hu n & H. Huang n

Contributors: N. Rubin n, W. Liu, X. Hu n & H. Huang n

MeSH headings : Electromyography; Lower Extremity; Muscle, Skeletal
TL;DR: This preliminary study characterized levels of common inputs to MUs in three muscle groups: MUs within a muscle, between bilateral homologous pairs, and between agonist/antagonist muscle pairs. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 article

Comparing Reinforcement Learning Agents and Supervised Learning Neural Networks for EMG-Based Decoding of Continuous Movements

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 6297–6300.

By: J. Berman n, R. Hinson n & H. Huang n

Contributors: J. Berman n, R. Hinson n & H. Huang n

MeSH headings : Electromyography; Humans; Movement; Neural Networks, Computer; Supervised Machine Learning; Wrist Joint
TL;DR: This study aimed to present a new kinematics decoding framework based on reinforcement learning (RL), which combines machine learning and model-based approaches together and suggests that the RL-based kinematic decoder is more robust to changes in movement speeds between training and testing data and has better performance than the SLNN. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 article

Development of a Wearable Human-Machine Interface to Track Forearm Rotation via an Optical Sensor

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 7360–7363.

By: F. Popp n, M. Liu n & H. Huang n

Contributors: F. Popp n, M. Liu n & H. Huang n

MeSH headings : Artificial Limbs; Forearm; Humans; Upper Extremity; Wearable Electronic Devices; Wrist Joint
TL;DR: The goal of this research was to develop an intuitive wearable human-machine interface (HMI), utilizing an optical sensor, and results showed that the performance of OSS control was comparable to direct control, therefore validating the feasibility of the OSS HMI. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 article

Direct Myoelectric Control Modifies Lower Limb Functional Connectivity: A Case Study

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC), pp. 6573–6576.

By: W. Liu, A. Fleming*, I. Lee* & H. Huang*

Contributors: W. Liu, A. Fleming*, I. Lee* & H. Huang*

MeSH headings : Amputees; Artificial Limbs; Electromyography; Humans; Lower Extremity; Muscle, Skeletal
TL;DR: This preliminary study applies functional connectivity analysis to an individual with unilateral lower-limb amputation during postural sway task and identifies a stronger connection between residual and intact below knee modules with improved bilateral symmetry after amputee acquired skills to better control the powered prosthetic ankle. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 journal article

Direct continuous electromyographic control of a powered prosthetic ankle for improved postural control after guided physical training: A case study

Wearable Technologies, 2.

By: A. Fleming n, S. Huang n, E. Buxton*, F. Hodges & H. Huang n

TL;DR: The feasibility of direct, continuous electromyographic (dEMG) control of a powered ankle prosthesis, combined with physical therapist-guided training, for improved standing postural control in an individual with transtibial amputation is shown. (via Semantic Scholar)
Source: ORCID
Added: October 18, 2021

2021 article

Efficient Environmental Context Prediction for Lower Limb Prostheses

Zhong, B., Silva, R. L., Tran, M., Huang, H., & Lobaton, E. (2021, June 7). IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS, Vol. 52.

By: B. Zhong n, R. Silva n, M. Tran n, H. Huang n & E. Lobaton n

Contributors: B. Zhong n, R. Silva n, M. Tran n, H. Huang n & E. Lobaton n

author keywords: Cameras; Wearable robots; Uncertainty; Neural networks; Real-time systems; Sensors; Hardware; Bayesian neural network (BNN); efficient deep learning system; environmental context prediction; prostheses; uncertainty quantification
TL;DR: An uncertainty-aware frame selection strategy that can dynamically select frames according to lower limb motion and uncertainty captured by Bayesian neural networks (BNNs) for environment prediction is developed and extended to the situation of multimodality fusion. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 10, 2021

2021 article

Empowering prosthesis users with a hip exoskeleton

Nalam, V., & Huang, H. (2021, October). NATURE MEDICINE, Vol. 27, pp. 1677–1678.

By: V. Nalam n & H. Huang*

Contributors: V. Nalam n & H. Huang*

MeSH headings : Artificial Limbs; Biomechanical Phenomena; Exoskeleton Device; Power, Psychological
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 18, 2021

2021 journal article

Environmental Context Prediction for Lower Limb Prostheses With Uncertainty Quantification

IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING, 18(2), 458–470.

By: B. Zhong n, R. Silva n, M. Li n, H. Huang n & E. Lobaton n

Contributors: B. Zhong n, R. Silva n, M. Li n, H. Huang n & E. Lobaton n

author keywords: Uncertainty; Neural networks; Bayes methods; Measurement uncertainty; Cameras; Microsoft Windows; Bayesian neural network (BNN); environmental context prediction; prosthesis; uncertainty quantification
TL;DR: A novel vision-based context prediction framework for lower limb prostheses to simultaneously predict human’s environmental context for multiple forecast windows by leveraging the Bayesian neural networks (BNNs) and producing a calibrated predicted probability for online decision-making. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 28, 2020

2021 article

Is there a Trade-off between Economy and Task Goal Variability in Transfemoral Amputee Gait?

ResearchSquare.

By: I. Lee, B. Fylstra, M. Liu, T. Lenzi & H. Huang

Contributors: I. Lee, B. Fylstra, M. Liu, T. Lenzi & H. Huang

Source: ORCID
Added: March 15, 2023

2021 review

Myoelectric control of robotic lower limb prostheses: a review of electromyography interfaces, control paradigms, challenges and future directions

[Review of ]. JOURNAL OF NEURAL ENGINEERING, 18(4).

By: A. Fleming n, N. Stafford*, S. Huang n, X. Hu n, D. Ferris* & H. Huang n

Contributors: A. Fleming n, N. Stafford*, S. Huang n, X. Hu n, D. Ferris* & H. Huang n

author keywords: robotic lower limb protheses; neural-machine interface; EMG; gait and balance; human motor control
MeSH headings : Amputees; Artificial Limbs; Electromyography; Humans; Locomotion; Muscle, Skeletal; Robotic Surgical Procedures
TL;DR: This review highlights the promise of EMG control for enabling new functionalities in robotic lower limb prostheses, as well as the existing challenges, knowledge gaps, and opportunities on this research topic from human motor control and clinical practice perspectives. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 16, 2021

2021 article

Perception of Static Position and Kinesthesia of the Finger using Vibratory Stimulation

2021 10TH INTERNATIONAL IEEE/EMBS CONFERENCE ON NEURAL ENGINEERING (NER), pp. 1087–1090.

By: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

TL;DR: The outcomes suggest that vibratory stimulus can inform subjects of static and dynamic aspects of finger proprioception and can be implemented to improve outcomes in clinical populations with sensory deficits, and to enhance user experience when users interact with assistive devices. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 16, 2021

2021 article

Reinforcement Learning Control of Robotic Knee With Human-in-the-Loop by Flexible Policy Iteration

Gao, X., Si, J., Wen, Y., Li, M., & Huang, H. (2021, May 6). IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, Vol. 33.

By: X. Gao*, J. Si*, Y. Wen n, M. Li n & H. Huang n

Contributors: X. Gao*, J. Si*, Y. Wen n, M. Li n & H. Huang n

author keywords: Robots; Impedance; Tuning; Prosthetics; Knee; Erbium; Legged locomotion; Adaptive optimal control; data- and time-efficient learning; flexible policy iteration (FPI); human-in-the-loop; reinforcement learning (RL); robotic knee
MeSH headings : Humans; Computer Simulation; Neural Networks, Computer; Policy; Robotic Surgical Procedures; Robotics
TL;DR: This study introduces flexible policy iteration (FPI), which can flexibly and organically integrate experience replay and supplemental values from prior experience into the RL controller, and shows system-level performances, including convergence of the approximate value function, (sub)optimality of the solution, and stability of the system. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 18, 2021

2021 article

Reinforcement learning enabled automatic impedance control of a robotic knee prosthesis to mimic the intact knee motion in a co-adapting environment

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85101254246&partnerID=MN8TOARS

By: R. Wu, M. Li, Z. Yao, J. Si & H. Huang

Contributors: R. Wu, M. Li, Z. Yao, J. Si & H. Huang

Source: ORCID
Added: March 15, 2023

2021 article

Robotic knee tracking control to mimic the intact human knee profile based on actor-critic reinforcement learning

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85101456660&partnerID=MN8TOARS

By: H. Huang, R. Wu, Z. Yao & J. Si

Contributors: H. Huang, R. Wu, Z. Yao & J. Si

Source: ORCID
Added: March 15, 2023

2021 journal article

Static and dynamic proprioceptive recognition through vibrotactile stimulation

JOURNAL OF NEURAL ENGINEERING, 18(4).

By: L. Vargas n, H. Huang n, Y. Zhu n & X. Hu n

Contributors: L. Vargas n, H. Huang n, Y. Zhu n & X. Hu n

author keywords: somatosensory feedback; proprioception; vibrotactile stimulation; arm function; sensory substitution
MeSH headings : Feedback, Sensory; Forearm; Goals; Humans; Movement; Proprioception
TL;DR: The outcomes suggest that information pertaining to static and dynamic aspects of proprioception can be accurately delivered using an array of vibrotactors and could be used to potentially evaluate the sensorimotor integration processes during human–machine interactions, and to improve sensory feedback in clinical populations with somatosensory impairments. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 19, 2021

2021 journal article

Taking both sides: seeking symbiosis between intelligent prostheses and human motor control during locomotion

CURRENT OPINION IN BIOMEDICAL ENGINEERING, 20.

By: H. Huang n, J. Si*, A. Brandt n & M. Li n

Contributors: H. Huang n, J. Si*, A. Brandt n & M. Li n

author keywords: Robotic lower limb prostheses; Human-prosthesis symbiosis; Human- in-the-loop optimization; Reinforcement learning; Gait biomechanics; Augmented biofeedback
TL;DR: This work advocates for new holistic approaches in which human motor control and intelligent prosthesis control function as one system (defined as human-prosthesis symbiosis), thereby improving the functionality and acceptance of robotic prostheses and users' quality of life. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 20, 2021

2021 journal article

Textile-Based Pressure Sensors for Monitoring Prosthetic-Socket Interfaces

IEEE SENSORS JOURNAL, 21(7), 9413–9422.

Contributors: J. Tabor n, T. Agcayazi n, A. Fleming n, B. Thompson n, A. Kapoor n, M. Liu*, M. Lee*, H. Huang*, A. Bozkurt n, T. Ghosh n

author keywords: Sensors; Sensor arrays; Sensor systems; Sockets; Monitoring; Data collection; Capacitive sensors; Pressure sensors; capacitive sensors; sensor arrays; body system networks; sensor systems and applications; textiles; wearable sensors; flexible electronics; prosthetics
TL;DR: This work presents a capacitive pressure sensor fabricated through a simple, and scalable sewing process using commercially available conductive yarns and textile materials that provides a soft, flexible, and comfortable sensing system for monitoring the inner socket environment (ISE). (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 5, 2021

2021 article

Toward Expedited Impedance Tuning of a Robotic Prosthesis for Personalized Gait Assistance by Reinforcement Learning Control

Li, M., Wen, Y., Gao, X., Si, J., & Huang, H. (2021, May 26). IEEE TRANSACTIONS ON ROBOTICS, Vol. 38.

By: M. Li n, Y. Wen n, X. Gao*, J. Si* & H. Huang n

Contributors: M. Li n, Y. Wen n, X. Gao*, J. Si* & H. Huang n

author keywords: Tuning; Impedance; Knee; Prosthetics; Legged locomotion; Robustness; Kinematics; Impedance control; knee prosthesis; policy iteration; rehabilitation robotics; reinforcement learning (RL)
TL;DR: A policy iteration with constraint embedded (PICE) method as an innovative solution to the problem under the framework of reinforcement learning, using a projected Bellman equation with a constraint of assuring positive semidefiniteness of performance values during policy evaluation. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 18, 2021

2021 article

Toward higher-performance bionic limbs for wider clinical use

Farina, D., Vujaklija, I., Branemark, R., Bull, A. M. J., Dietl, H., Graimann, B., … Aszmann, O. C. (2021, May 31). NATURE BIOMEDICAL ENGINEERING, Vol. 5.

By: D. Farina*, I. Vujaklija*, R. Branemark*, A. Bull*, H. Dietl*, B. Graimann, L. Hargrove*, K. Hoffmann* ...

Contributors: D. Farina*, I. Vujaklija*, R. Brånemark*, A. Bull*, H. Dietl*, B. Graimann, L. Hargrove*, K. Hoffmann* ...

MeSH headings : Humans; Prosthesis Design; Bionics; Artificial Limbs; Extremities; Electrodes
TL;DR: It is argued that direct skeletal attachment of bionic devices via osseointegration, the amplification of neural signals by targeted muscle innervation, improved prosthesis control via implanted muscle sensors and advanced algorithms, and the provision of sensory feedback by means of electrodes implanted in peripheral nerves should all be leveraged towards the creation of a new generation of high-performance bionic limbs. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 10, 2021

2021 article

User Controlled Interface for Tuning Robotic Knee Prosthesis

2021 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS), pp. 6190–6195.

By: A. Alili n, V. Nalam n, M. Li n, M. Liu n, J. Si* & H. Huang n

Contributors: A. Alili n, V. Nalam n, M. Li n, M. Liu n, J. Si* & H. Huang n

TL;DR: An intuitive interface designed for the prosthesis users and clinicians to choose the preferred knee joint profile during gait and use the autotuner to replicate in the prosthetics to address the challenges of manual tuning methods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 7, 2022

2021 journal article

Using Reinforcement Learning to Estimate Human Joint Moments From Electromyography or Joint Kinematics: An Alternative Solution to Musculoskeletal-Based Biomechanics

JOURNAL OF BIOMECHANICAL ENGINEERING-TRANSACTIONS OF THE ASME, 143(4).

By: W. Wu n, K. Saul n & H. Huang n

Contributors: W. Wu n, K. Saul n & H. Huang n

MeSH headings : Electromyography
TL;DR: This study serves as a proof of concept that an RL approach can assist in biomechanical analysis and human-machine interface applications by deriving joint moments from kinematic or EMG data. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 19, 2021

2020 article

A Data-Driven Reinforcement Learning Solution Framework for Optimal and Adaptive Personalization of a Hip Exoskeleton

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85098609759&partnerID=MN8TOARS

By: X. Tu, M. Li, M. Liu, J. Si & H. Huang

Contributors: X. Tu, M. Li, M. Liu, J. Si & H. Huang

Source: ORCID
Added: March 15, 2023

2020 journal article

An Easy-to-Use Socket-Suspension System Monitor for Lower Limb Amputees

IEEE Transactions on Instrumentation and Measurement, 69(11), 8973–8982.

By: M. Liu, D. Kamper n & H. Huang n

Contributors: M. Liu, D. Kamper n & H. Huang n

author keywords: Sockets; Monitoring; Magnetic field measurement; Magnetic sensors; Biomedical monitoring; Prosthetics; Biomedical monitoring; displacement measurement; magnetic sensors; prosthetics; wearable sensors
TL;DR: A wearable SSS monitor that can be adopted for any SSS using liners without requiring permanent modifications of the SSS is designed and demonstrated the capability of tracking SSS fit changes during locomotion without permanent modification ofThe SSS. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: July 28, 2020

2020 journal article

Buckle-Delamination-Enabled Stretchable Silver Nanowire Conductors

ACS APPLIED MATERIALS & INTERFACES, 12(37), 41696–41703.

By: S. Wu n, S. Yao n, Y. Liu n, X. Hu*, H. Huang* & Y. Zhu n

Contributors: S. Wu n, S. Yao n, Y. Liu n, X. Hu*, H. Huang* & Y. Zhu n

author keywords: stretchable conductor; silver nanowire; buckling; buckle-delamination; wrinkling; thermochromic
TL;DR: A theoretical model on the buckle-delamination structure is developed to predict the geometrical evolution, and an integrated silver nanowire/elastomer sensing module and a stretchable thermochromic device are developed to demonstrate the utility of the stretchable conductor. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 12, 2020

2020 article

Direct continuous EMG control of a powered prosthetic ankle for improved postural control after guided physical training: A case study

BioRxiv.

By: A. Fleming n, S. Huang n, E. Buxton*, F. Hodges & H. Huang n

Contributors: A. Fleming n, S. Huang n, E. Buxton*, F. Hodges & H. Huang n

TL;DR: This case study showed the feasibility of dEMG control of powered prosthetic ankle by a transtibial amputee after a PT-guided training to assist postural control. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2020 conference paper

Evaluation of Activities of Daily Living Tesbeds for Assessing Prosthetic Device Usability

2020 IEEE International Conference on Human-Machine Systems (ICHMS).

By: J. Park, M. Zahabi, D. Kaber, J. Ruiz & H. Huang*

Contributors: J. Park, M. Zahabi, D. Kaber, J. Ruiz & H. Huang*

TL;DR: Findings suggest that the clothespin relocation task (CRT) and Southampton hand assessment protocol (SHAP) are the most sensitive testbeds for usability assessment of upper-limb prosthetic devices and these tasks require similar limb movements to high frequency ADLs. (via Semantic Scholar)
Source: ORCID
Added: October 22, 2020

2020 article

Evaluation of embedded platforms for lower limb prosthesis with visual sensing capabilities

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85095221966&partnerID=MN8TOARS

By: R. Silva, N. Starliper, B. Zhong, H. Huang & E. Lobaton

Contributors: R. Silva, N. Starliper, B. Zhong, H. Huang & E. Lobaton

Source: ORCID
Added: March 15, 2023

2020 journal article

Evoking haptic sensations in the foot through high-density transcutaneous electrical nerve stimulations

Journal of Neural Engineering, 4(3).

By: L. Pan, L. Vargas, L. Vargas, A. Fleming, A. Fleming, X. Hu, X. Hu, Y. Zhu, H. Huang*

Contributors: L. Pan, L. Vargas, L. Vargas, A. Fleming, A. Fleming, X. Hu, X. Hu, Y. Zhu, H. Huang*

author keywords: haptic sensation; electrical stimulation; transcutaneous nerve stimulation; peripheral nerve; amputee; sensory feedback
MeSH headings : Amputees; Artificial Limbs; Humans; Phantom Limb; Touch; Transcutaneous Electric Nerve Stimulation
TL;DR: The capability of the non-invasive transcutaneous electrical nerve stimulation method to evoke haptic sensations in the foot of transtibial amputees and the able-bodied subject is demonstrated. (via Semantic Scholar)
Source: ORCID
Added: May 13, 2020

2020 journal article

Fully-textile Insole Seam-line for Multi-modal Sensor Mapping

IEEE Sensors Journal, 20(17), 1–1.

By: M. Mcknight n, J. Tabor n, T. Agcayazi n, A. Fleming n, T. Ghosh n, H. Huang n, A. Bozkurt n

Contributors: M. McKnight n, J. Tabor n, T. Agcayazi n, A. Fleming n, T. Ghosh n, H. Huang n, A. Bozkurt n

author keywords: Yarn; Sensor arrays; Fabrics; Sensor systems; Foot; Pressure sensors; sensor arrays; multiple-sensor systems; impedance measurement; moisture measurement; multimodal sensors; sensor systems and applications; textiles; wearable sensors
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: ORCID
Added: May 13, 2020

2020 journal article

Human-prosthesis coordination: A preliminary study exploring coordination with a powered ankle-foot prosthesis

Clinical Biomechanics, 80, 105171.

By: B. Fylstra n, I. Lee n, S. Huang n, A. Brandt n, M. Lewek* & H. Huang n

Contributors: B. Fylstra n, I. Lee n, S. Huang n, A. Brandt n, M. Lewek* & H. Huang n

author keywords: Transtibial amputee; Human-prosthesis interface; Powered ankle-foot prosthesis; Human-prosthesis interaction
MeSH headings : Adult; Amputees; Ankle; Artificial Limbs; Biomechanical Phenomena; Female; Foot; Gait; Humans; Male; Mechanical Phenomena; Prosthesis Design
TL;DR: Results from this preliminary study highlight the need for future work to systematically quantify the coordination between the human and powered prosthesis and understand how such coordination at the joint level influences overall gait efficiency. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: October 22, 2020

2020 conference paper

Knowledge-Guided Reinforcement Learning Control for Robotic Lower Limb Prosthesis

2020 IEEE International Conference on Robotics and Automation (ICRA), 754–760.

By: X. Gao*, J. Si*, Y. Wen n, M. Li n & H. Huang n

Contributors: X. Gao*, J. Si*, Y. Wen n, M. Li n & H. Huang n

TL;DR: The knowledge-guided Q-learning (KG-QL) control method is proposed as a principled way for Reinforcement learning (RL) control and its feasibility is demonstrated by employing OpenSim, a well-established human locomotion simulator. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: October 22, 2020

2020 journal article

OPTIMAL EMG PLACEMENT FOR A ROBOTIC PROSTHESIS CONTROLLER WITH SEQUENTIAL, ADAPTIVE FUNCTIONAL ESTIMATION (SAFE)

ANNALS OF APPLIED STATISTICS, 14(3), 1164–1181.

By: J. Stallrich*, M. Islam, A. Staicu*, D. Crouch*, L. Pan* & H. Huang*

Contributors: J. Stallrich*, N. Islam, A. Staicu*, D. Crouch*, L. Pan* & H. Huang*

author keywords: Electromyography signal; varying functional regression; functional variable selection; adaptive group LASSO; correlated functional predictors; sequential adaptive functional estimation
TL;DR: A novel decoder based on a dynamic, functional linear model with velocity or acceleration as its response and the recent past EMG signals as functional covariates is proposed, increasing the predictive capability of a single EMG signal compared to existing decoders. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 19, 2020

2020 journal article

Object Shape and Surface Topology Recognition Using Tactile Feedback Evoked through Transcutaneous Nerve Stimulation

IEEE TRANSACTIONS ON HAPTICS, 13(1), 152–158.

By: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

author keywords: Shape recognition; surface topology; tactile sensation; transcutaneous nerve stimulation
MeSH headings : Adult; Feedback, Sensory / physiology; Female; Fingers / physiology; Humans; Male; Median Nerve / physiology; Recognition, Psychology / physiology; Touch / physiology; Touch Perception / physiology; Transcutaneous Electric Nerve Stimulation; Ulnar Nerve / physiology; Young Adult
TL;DR: It is suggested that tactile feedback evoked from transcutaneous nerve stimulation allows the recognition of object shape and surface topology, which may help improve object manipulation and promote fine control of a prosthetic hand. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 14, 2020

2020 journal article

Perceiving amputee gait from biological motion: kinematics cues and effect of experience level

Scientific Reports, 10(1).

By: I. Lee n, M. Pacheco*, M. Lewek* & H. Huang n

Contributors: I. Lee n, M. Pacheco*, M. Lewek* & H. Huang n

MeSH headings : Adult; Aged; Amputees; Animals; Artificial Limbs; Biomechanical Phenomena; Clinical Competence; Cues; Gait / physiology; Gait Disorders, Neurologic / diagnosis; Gait Disorders, Neurologic / physiopathology; Humans; Leg; Male; Middle Aged; Movement; Physical Therapists; Video Recording
TL;DR: A new method that combines biological motion and principal component analysis to gradually mesh amputee and typical walking patterns showed that on average the accuracy rate in identifying gait deviations between PT and PTS was similar and better than Novices. (via Semantic Scholar)
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Source: ORCID
Added: October 22, 2020

2020 article

Reinforcement learning control of robotic knee with human in the loop by flexible policy iteration

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85094999958&partnerID=MN8TOARS

By: X. Gao, J. Si, Y. Wen, M. Li & H. Huang

Contributors: X. Gao, J. Si, Y. Wen, M. Li & H. Huang

Source: ORCID
Added: March 15, 2023

2020 conference paper

Stiffness Perception using Transcutaneous Electrical Stimulation during Active and Passive Prosthetic Control

2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2020-July, 3909–3912.

By: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

MeSH headings : Arm; Artificial Limbs; Electric Stimulation; Hand; Transcutaneous Electric Nerve Stimulation
TL;DR: The results showed that the accuracy of object stiffness recognition was similar in both active and passive conditions, which indicated that the sensorimotor integration processes could affect haptic perception for some users. (via Semantic Scholar)
Source: ORCID
Added: October 22, 2020

2020 article

Towards expedited impedance tuning of a robotic prosthesis for personalized gait assistance by reinforcement learning control

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85110372419&partnerID=MN8TOARS

By: M. Li, Y. Wen, X. Gao, J. Si & H. Huang

Contributors: M. Li, Y. Wen, X. Gao, J. Si & H. Huang

Source: ORCID
Added: March 15, 2023

2020 journal article

Wearer-Prosthesis Interaction for Symmetrical Gait: A Study Enabled by Reinforcement Learning Prosthesis Control

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 28(4), 904–913.

By: Y. Wen n, M. Li n, J. Si* & H. Huang n

Contributors: Y. Wen n, M. Li n, J. Si* & H. Huang n

author keywords: Prosthetics; Knee; Impedance; Legged locomotion; Robot kinematics; Tuning; Wearer-prosthesis interaction; robotic knee prosthesis; reinforcement learning; gait asymmetry; anteroposterior impulse
MeSH headings : Amputees; Artificial Limbs; Biomechanical Phenomena; Gait; Humans; Knee Joint; Prosthesis Design; Walking
TL;DR: The results suggest that it is possible to personalize transfemoral prosthesis control for improved temporal-spatial gait symmetry, and indicated that the RL-based prosthesis tuning system was a potential tool for studying wearer-prosthesis interactions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 8, 2020

2019 journal article

Admittance Shaping-Based Assistive Control of SEA-Driven Robotic Hip Exoskeleton

IEEE-ASME TRANSACTIONS ON MECHATRONICS, 24(4), 1508–1519.

By: T. Zhang*, M. Tran n & H. Huang n

Contributors: T. Zhang*, M. Tran n & H. Huang n

author keywords: Admittance shaping-based control; assistive control; hip exoskeleton; series elastic actuator (SEA)
TL;DR: An admittance shaping-based assistive control for a series elastic actuator (SEA) driven robotic hip exoskeleton that can assist individuals with hip muscle weakness to restore normative mobility and to develop a unified controller framework for designing an SEA-driven hipExoskeleton to assist walking and enhance gait stability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 7, 2019

2019 journal article

Application of Cognitive Task Performance Modeling for Assessing Usability of Transradial Prostheses

IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS, 49(4), 381–387.

By: M. Zahabi*, M. White*, W. Zhang n, A. Winslow n, F. Zhang n, H. Huang n, D. Kaber*

Contributors: M. Zahabi*, M. White*, W. Zhang n, A. Winslow n, F. Zhang n, H. Huang n, D. Kaber*

author keywords: Cognitive modeling; GOMSL; mental workload; prosthetics
TL;DR: Investigating the use of cognitive modeling to assess the usability of an upper-limb prosthesis with a focus on mental workload responses revealed the PR mode to be more intuitive, reduce cognitive load, and increase efficiency in prosthetic control as compared to the DC mode. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 12, 2019

2019 journal article

Comparing EMG-Based Human-Machine Interfaces for Estimating Continuous, Coordinated Movements

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 27(10), 2145–2154.

By: L. Pan n, D. Crouch n & H. Huang n

Contributors: L. Pan n, D. Crouch n & H. Huang n

author keywords: Electromyography (EMG); musculoskeletal model; linear regression; artificial neural network; comparison
MeSH headings : Adult; Algorithms; Amputees; Biomechanical Phenomena; Electromyography / methods; Healthy Volunteers; Humans; Male; Models, Theoretical; Movement / physiology; Musculoskeletal Physiological Phenomena; Nerve Net; Psychomotor Performance; Radius; User-Computer Interface; Wrist / anatomy & histology; Wrist / physiology; Wrist Joint / anatomy & histology; Wrist Joint / physiology; Young Adult
TL;DR: Comparing a musculoskeletal model (MM) with two data-driven approaches, linear regression (LR) and artificial neural network (ANN), for predicting continuous wrist and hand motions for EMG-based interfaces suggests that incorporating musculOSkeletal knowledge into EMg-based human-machine interfaces could improve the estimation of continuous, coordinated motion. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 9, 2019

2019 journal article

Design and Control of a Series Elastic Actuator With Clutch for Hip Exoskeleton for Precise Assistive Magnitude and Timing Control and Improved Mechanical Safety

IEEE/ASME Transactions on Mechatronics, 24(5), 2215–2226.

By: T. Zhang* & H. Huang*

Contributors: T. Zhang* & H. Huang*

author keywords: Exoskeletons; Torque; Actuators; Safety; Perturbation methods; Timing; Robustness; Series elastic actuator with clutch (SEAC); singular perturbation control; torque control; wearable hip exoskeleton
TL;DR: A new torque control for the SEAC, based on singular perturbation theory with flexible compensation techniques, is proposed to precisely control the assistive torque by rejecting the undesired human motion disturbance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
Added: November 18, 2019

2019 journal article

Effects of extended powered knee prosthesis stance time via visual feedback on gait symmetry of individuals with unilateral amputation: a preliminary study

JOURNAL OF NEUROENGINEERING AND REHABILITATION, 16(1).

By: A. Brandt n, W. Riddick, J. Stallrich n, M. Lewek* & H. Huang*

Contributors: A. Brandt n, W. Riddick, J. Stallrich n, M. Lewek* & H. Huang*

author keywords: Gait; Amputation; Visual Feedback; Rehabilitation; Knee Prosthesis
MeSH headings : Adult; Amputation, Surgical / rehabilitation; Amputees / rehabilitation; Biomechanical Phenomena; Feedback, Sensory; Female; Gait; Humans; Knee Prosthesis; Male; Middle Aged; Walking; Young Adult
TL;DR: Increasing the amputated-limb stance time via visual feedback significantly improved the stance time symmetry and peak propulsion symmetry of individuals walking with both prostheses, and favorably improved individuals’ temporal and propulsive symmetry. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 30, 2019

2019 journal article

Effects of extended stance time on a powered knee prosthesis and gait symmetry on the lateral control of balance during walking in individuals with unilateral amputation

JOURNAL OF NEUROENGINEERING AND REHABILITATION, 16(1).

By: A. Brandt n & H. Huang n

Contributors: A. Brandt n & H. Huang n

author keywords: Gait; Amputation; Prosthetic knee component; Balance; Visual feedback
MeSH headings : Adult; Amputation, Surgical; Biomechanical Phenomena / physiology; Female; Gait / physiology; Humans; Knee Prosthesis; Male; Middle Aged; Postural Balance / physiology; Walking / physiology
TL;DR: Interventions and advancements in prosthesis control aimed at improving their control of lateral balance may ameliorate the difficulty in walking with improved gait symmetry. (via Semantic Scholar)
Sources: ORCID, Web Of Science
Added: December 16, 2019

2019 journal article

Electrocardiogram of a Silver Nanowire Based Dry Electrode: Quantitative Comparison With the Standard Ag/AgCl Gel Electrode

IEEE ACCESS, 7, 20789–20800.

By: Q. Qin, J. Li, S. Yao*, C. Liu, H. Huang* & Y. Zhu*

Contributors: Q. Qin, J. Li, S. Yao*, C. Liu, H. Huang* & Y. Zhu*

author keywords: Dry electrode; ambulatory ECG; ECG discrepancy comparison; signal quality indices; heart rate variability analysis
TL;DR: Quantitative comparisons showed that the AgNW electrode could collect acceptable ECG waveforms as the Ag/AgCl electrode in both the sitting and walking conditions, however, the baseline drift and waveform distortions existed in the Ag NW electrode, likely due to electrode motion. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 25, 2019

2019 journal article

Evoked Haptic Sensation in the Hand With Concurrent Non-Invasive Nerve Stimulation

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 66(10), 2761–2767.

By: L. Vargas n, G. Whitehouse n, H. Huang n, Y. Zhu n & X. Hu n

Contributors: L. Vargas n, G. Whitehouse n, H. Huang n, Y. Zhu n & X. Hu n

author keywords: Electrical stimulation; haptic sensation; transcutaneous nerve stimulation; embodiment
MeSH headings : Adult; Amputees; Arm / innervation; Artificial Limbs; Female; Humans; Male; Sensory Thresholds / physiology; Transcutaneous Electric Nerve Stimulation
TL;DR: The results indicated that the haptic sensations at different regions of the hand can be constructed by combining the response from multiple stimulation trains directly, and the interference between stimulations were minimal. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 14, 2019

2019 conference paper

Gaze Fixation Comparisons Between Amputees and Able-bodied Individuals in Approaching Stairs and Level-ground Transitions: A Pilot Study

2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 3163–3166.

By: M. Li n, B. Zhong n, Z. Liu n, I. Lee n, B. Fylstra n, E. Lobaton n, H. Huang n

Contributors: M. Li n, B. Zhong n, Z. Liu n, I. Lee n, B. Fylstra n, E. Lobaton n, H. Huang n

Event: 2019 41st Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

MeSH headings : Amputees; Artificial Limbs; Biomechanical Phenomena; Eye Movement Measurements / instrumentation; Fixation, Ocular; Gait; Humans; Pilot Projects
TL;DR: The results presented that, unlike the able-bodied population, amputees had most of their fixations directed on the transition region prior to new terrains that showed an increased need for visual information during transition regions before navigation on stairs than that before navigation onto level-ground. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 13, 2020

2019 conference paper

Identify Kinematic Features for Powered Prosthesis Tuning

2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR), 2019-June, 565–569.

By: M. Liu n, A. Lupiani n, I. Lee n & H. Huang n

Contributors: M. Liu n, A. Lupiani n, I. Lee n & H. Huang n

Event: 2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR)

MeSH headings : Aged; Amputees; Artificial Limbs; Biomechanical Phenomena; Humans; Male; Middle Aged; Prosthesis Design
TL;DR: This paper preliminarily identified kinematic features that are sensitive to the control parameter change of the powered prosthetic leg using data collected from three transtibial amputee subjects with four levels of push-off power. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 13, 2020

2019 journal article

Object stiffness recognition using haptic feedback delivered through transcutaneous proximal nerve stimulation

Journal of Neural Engineering, 17(1), 016002.

By: L. Vargas n, H. Shin, H. Huang*, Y. Zhu & X. Hu

Contributors: L. Vargas n, H. Shin, H. Huang*, Y. Zhu & X. Hu

author keywords: haptic feedback; finger grasp; object stiffness recognition; transcutaneous nerve stimulation; nerve bundle stimulation
MeSH headings : Adult; Arm / innervation; Arm / physiology; Artificial Limbs; Feedback, Sensory / physiology; Female; Humans; Male; Median Nerve / physiology; Touch Perception / physiology; Transcutaneous Electric Nerve Stimulation / methods; Ulnar Nerve / physiology; Young Adult
TL;DR: The outcomes suggest that it is possible to elicit haptic sensations describing various object stiffness levels using transcutaneous nerve stimulation, which may facilitate object manipulation/interactions and improve user experience during human–machine interactions. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: January 13, 2020

2019 conference paper

Offline Policy Iteration Based Reinforcement Learning Controller for Online Robotic Knee Prosthesis Parameter Tuning

2019 International Conference on Robotics and Automation (ICRA), 2019-May, 2831–2837.

By: M. Li n, X. Gao*, Y. Wen n, J. Si* & H. Huang n

Contributors: M. Li n, X. Gao*, Y. Wen n, J. Si* & H. Huang n

Event: 2019 International Conference on Robotics and Automation (ICRA)

TL;DR: The results showed that the RL control resulted in good convergent behavior in kinematic states, and the offline learning control policy successfully adjusted the prosthesis control parameters to produce near-normal knee kinematics in 10 updates of the impedance control parameters. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries, ORCID
Added: January 13, 2020

2019 journal article

Online Reinforcement Learning Control for the Personalization of a Robotic Knee Prosthesis

IEEE Transactions on Cybernetics, 50(6), 1–11.

By: Y. Wen n, J. Si*, A. Brandt n, X. Gao* & H. Huang n

Contributors: Y. Wen n, J. Si*, A. Brandt n, X. Gao* & H. Huang n

author keywords: Knee; Prosthetics; Impedance; Robots; Tuning; Kinematics; Dynamic programming; Approximate dynamic programming (ADP); direct heuristic dynamic programming (dHDP); reinforcement learning (RL); robotic knee prosthesis
MeSH headings : Adult; Algorithms; Amputees / rehabilitation; Biomechanical Phenomena / physiology; Exoskeleton Device; Gait / physiology; Humans; Knee Prosthesis; Male; Reinforcement, Psychology; Signal Processing, Computer-Assisted; Young Adult
TL;DR: The feasibility of direct heuristic dynamic programming, an approximate dynamic programming (ADP) approach, to automatically tune the 12 robotic knee prosthesis parameters to meet individual human users’ needs is demonstrated. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: January 13, 2020

2019 conference paper

Proportional Myoelectric Control of a Powered Ankle Prosthesis for Postural Control under Expected Perturbation: A Pilot Study

2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR), 2019-June, 899–904.

By: A. Fleming n & H. Huang n

Contributors: A. Fleming n & H. Huang n

Event: 2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR)

MeSH headings : Ankle / physiology; Electromyography; Humans; Male; Middle Aged; Muscles / physiology; Pilot Projects; Postural Balance / physiology; Pressure; Prosthesis Design; Signal Processing, Computer-Assisted; Task Performance and Analysis
TL;DR: The promise for transtibial amputees to generate anticipatory postural adjustments as well as the potential improvement of stability under expected perturbations are demonstrated. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 13, 2020

2019 journal article

Proportional Myoelectric Control of a Virtual Inverted Pendulum Using Residual Antagonistic Muscles: Toward Voluntary Postural Control

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 27(7), 1473–1482.

By: A. Fleming n, S. Huang n & H. Huang n

Contributors: A. Fleming n, S. Huang n & H. Huang n

author keywords: Electromyography; myoelectric control; postural control; volitional control; transtibial amputees; lower-limb amputees; residual muscles
MeSH headings : Adaptation, Psychological; Adult; Aged; Algorithms; Amputees; Ankle / physiology; Biomechanical Phenomena; Electromyography / methods; Female; Healthy Volunteers; Humans; Male; Middle Aged; Muscle Contraction / physiology; Muscle, Skeletal / physiology; Postural Balance; Posture / physiology; Psychomotor Performance; Virtual Reality
TL;DR: The results suggest that after the training of transtibial amputees in coordinating antagonistic residual muscles in dynamic systems, it may be feasible to implement the proportional myoelectric control of the powered ankle prostheses in order to assist the postural control mechanisms, such as anticipatory and compensatory postural adjustments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 29, 2019

2019 book

Robotic Knee Parameter Tuning Using Approximate Policy Iteration

In Communications in Computer and Information Science (Vol. 1005, pp. 554–563).

By: X. Gao*, Y. Wen n, M. Li n, J. Si* & H. Huang*

Contributors: X. Gao*, Y. Wen n, M. Li n, J. Si* & H. Huang*

TL;DR: The results show that the proposed parameter tuning algorithm can be readily used for adaptive optimal tuning of prosthetic knee control parameters and the tuning process is time and sample efficient. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2019 book

Robotic Knee Prosthesis Real-Time Control Using Reinforcement Learning with Human in the Loop

In Communications in Computer and Information Science (Vol. 1005, pp. 463–473).

By: Y. Wen*, X. Gao*, J. Si*, A. Brandt*, M. Li n & H. Huang*

Contributors: Y. Wen*, X. Gao*, J. Si*, A. Brandt*, M. Li n & H. Huang*

TL;DR: An optimal adaptive control algorithm is implemented to automatically tune the high-dimensional control parameters of a robotic knee prosthesis through interaction with a human-prosthesis system and discover a set of suitable control parameter for the amputee user to generate near-normative knee kinematics. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2019 journal article

Voluntary Control of Residual Antagonistic Muscles in Transtibial Amputees: Reciprocal Activation, Coactivation, and Implications for Direct Neural Control of Powered Lower Limb Prostheses

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 27(1), 85–95.

By: S. Huang n & H. Huang n

Contributors: S. Huang n & H. Huang n

author keywords: Residual muscles; volitional control; electromyography; myoelectric control; transtibial amputee; lower limb amputee; powered prosthesis
MeSH headings : Adolescent; Adult; Aged; Amputees; Ankle; Artificial Limbs; Biomechanical Phenomena; Electromyography; Female; Humans; Male; Middle Aged; Muscle, Skeletal; Prosthesis Design; Psychomotor Performance
TL;DR: The future development of powered lower limb prostheses using direct continuous proportional myoelectric control via residual muscles should consider how an amputee user’s immediately accessible residual muscle activation patterns and reachable 2-D control input space may affect their learning and performance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 4, 2019

2018 journal article

A Lower-Back Robotic Exoskeleton

IEEE ROBOTICS & AUTOMATION MAGAZINE, 25(2), 95–106.

By: T. Zhang n & H. Huang n

Contributors: T. Zhang n & H. Huang n

TL;DR: Experimental results show that the exoskeleton can lower lumbar compression by reducing the need for muscular activity in the spine, and powering both HFE and HAA can effectively reduce the lumbr spinal loading user experience when lifting and lowering objects while in a twisted posture. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 conference paper

A Practical Approach for Evaluation of Socket Pistoning for Lower Limb Amputees

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018-July, 3938–3941.

By: V. Vempala*, M. Liu, D. Kamper* & H. Huang*

Contributors: V. Vempala*, M. Liu, D. Kamper* & H. Huang*

Event: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Amputees; Artificial Limbs; Humans; Lower Extremity; Prosthesis Design; Walking
TL;DR: Results demonstrate that this procedure, which does not rely on radiography unlike some existing methods, can be used to evaluate the fit of amputees' everyday sockets. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2018 conference paper

A Reliable Multi-User EMG Interface Based on A Generic-Musculoskeletal Model against Loading Weight Changes *

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018-July, 2104–2107.

By: L. Pan n, A. Harmody n & H. Huang n

Contributors: L. Pan n, A. Harmody n & H. Huang n

Event: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Artificial Limbs; Electromyography; Movement; Reproducibility of Results; Weight-Bearing
TL;DR: The results demonstrated that the multi-user EMG interface was reliable against the different loading weights, indicating it has potential to promote the myoelectric control into clinical applications. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2018 conference paper

Automatically customizing a powered knee prosthesis with human in the loop using adaptive dynamic programming

2017 International Symposium on Wearable Robotics and Rehabilitation, WeRob 2017, 1–2.

By: Y. Wen*, A. Brandt*, J. Si* & H. Huang*

Contributors: Y. Wen*, A. Brandt*, J. Si* & H. Huang*

TL;DR: A human-in-the-loop auto-tuner is validated using machine learning to automatically customize powered knee prosthesis control parameters for an amputee subject in real time to generate normative knee kinematics in 3 out of 4 tuning sessions. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2018 conference paper

Characterizing Residual Muscle Properties in Lower Limb Amputees Using High Density EMG Decomposition: A Pilot Study*

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018-January, 5974–5977.

By: B. Fylstra n, C. Dai n, X. Hu n & H. Huang n

Contributors: B. Fylstra n, C. Dai n, X. Hu n & H. Huang n

Event: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Amputees; Artificial Limbs; Electrodes; Electromyography; Humans; Lower Extremity; Muscle Contraction; Muscle, Skeletal / physiology; Pilot Projects
TL;DR: Results indicate that surface EMG signals recorded from residual muscles present modified signal features from intact shank muscles, which should be considered when implementing myoelectric control schemes. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2018 journal article

Comparing Surface and Intramuscular Electromyography for Simultaneous and Proportional Control Based on a Musculoskeletal Model: A Pilot Study

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 26(9), 1735–1744.

By: D. Crouch*, L. Pan n, W. Filer*, J. Stallings n & H. Huang n

Contributors: D. Crouch*, L. Pan n, W. Filer*, J. Stallings n & H. Huang n

author keywords: Musculoskeletal; model; prosthesis; control; virtual reality; electrodes
MeSH headings : Adult; Amputees; Artificial Limbs; Brain-Computer Interfaces; Computer Systems; Electrodes; Electrodes, Implanted; Electromyography / instrumentation; Electromyography / methods; Female; Hand / physiology; Healthy Volunteers; Humans; Male; Models, Biological; Muscle, Skeletal; Musculoskeletal Physiological Phenomena; Pilot Projects; Psychomotor Performance / physiology; Young Adult
TL;DR: While iEMG may permit targeted recording of EMG, its signal characteristics may not be as ideal for SPC as those of sEMG, and the tradeoff between recording specificity and signal characteristics is an important consideration for development and clinical implementation of SPC for neural-machine interfaces. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 16, 2018

2018 conference paper

Coordination of Voluntary Residual Muscle Contractions in Transtibial Amputees: a Pilot Study

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018-July, 2128–2131.

By: A. Fleming n, S. Huang n & H. Huang n

Contributors: A. Fleming n, S. Huang n & H. Huang n

Event: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Amputees; Artificial Limbs; Biomechanical Phenomena; Electromyography; Humans; Muscle Contraction; Pilot Projects
TL;DR: The results suggest that amputees have altered ability to coordinate muscle post-amputation; however, all subjects can improve the task performance and learn to reduce EMG coordination patterns that led to task failure. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2018 journal article

Design and Experimental Verification of Hip Exoskeleton With Balance Capacities for Walking Assistance

IEEE-ASME TRANSACTIONS ON MECHATRONICS, 23(1), 274–285.

By: T. Zhang n, M. Tran n & H. Huang n

Contributors: T. Zhang n, M. Tran n & H. Huang n

author keywords: Balance control; exoskeleton; hip exoskeleton; series elastic actuator (SEA); walking assistance
TL;DR: A novel, high-power, self-balancing, and passively and software-controlled actively compliant hip exoskeleton that can assist with movement and maintain balance in both the sagittal and frontal planes is developed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 conference paper

Enhancing gait balance via a 4-DoFs wearable hip exoskeleton

2017 International Symposium on Wearable Robotics and Rehabilitation, WeRob 2017, 1–2.

By: T. Zhang* & H. Huang n

Contributors: T. Zhang* & H. Huang n

TL;DR: The present study is to develop a novel, high-power, self-balancing, and passively and software-controlled actively compliant hip exoskeleton that can assist with movement and maintain balance in both the sagittal and frontal planes. (via Semantic Scholar)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2018 journal article

Evaluation of EMG pattern recognition for upper limb prosthesis control: a case study in comparison with direct myoelectric control

JOURNAL OF NEUROENGINEERING AND REHABILITATION, 15(1).

By: L. Resnik*, H. Huang n, A. Winslow n, D. Crouch n, F. Zhang n & N. Wolk n

Contributors: L. Resnik*, H. Huang n, A. Winslow n, D. Crouch n, F. Zhang n & N. Wolk n

author keywords: Myoelectric control; Upper limb prosthetics; EMG pattern recognition; Direct control; Transradial amputees; case report
MeSH headings : Adult; Amputees / rehabilitation; Artificial Limbs; Cross-Over Studies; Electromyography; Female; Humans; Male; Middle Aged; Pattern Recognition, Automated / methods; Prosthesis Design; Self Report
TL;DR: A need for additional research quantifying the functional and clinical benefits of PR control for upper limb prosthesis control is highlighted, despite its small sample size. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

Evoked haptic sensations in the hand via non-invasive proximal nerve stimulation

JOURNAL OF NEURAL ENGINEERING, 15(4).

By: H. Shin n, Z. Watkins n, H. Huang n, Y. Zhu n & X. Hu n

Contributors: H. Huang n, H. Shin n, Z. Watkins n, Y. Zhu n & X. Hu n

author keywords: sensory feedback; electrical stimulation; peripheral nerve stimulation; haptic sensations
MeSH headings : Adult; Amputees / rehabilitation; Female; Hand / innervation; Hand / physiology; Humans; Male; Touch Perception / physiology; Transcutaneous Electric Nerve Stimulation / methods; Young Adult
TL;DR: The elicitation of haptic sensations in the phantom hand of an amputee is a significant step in the development of the stimulation method, and provides insight into the future adaptation and implementation of prostheses with non-invasive sensory feedback to the users. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 article

Functional variable selection for emg-based control of a robotic hand prosthetic

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85095037692&partnerID=MN8TOARS

By: M. Islam, J. Stallings, A. Staicu, D. Crouch, L. Pan & H. Huang

Contributors: M. Islam, J. Stallings, A. Staicu, D. Crouch, L. Pan & H. Huang

Source: ORCID
Added: March 15, 2023

2018 conference paper

Merged Haptic Sensation in the Hand during Concurrent Non-Invasive Proximal Nerve Stimulation

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018-July, 2186–2189.

By: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

Contributors: L. Vargas*, H. Huang*, Y. Zhu n & X. Hu*

Event: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Artificial Limbs; Electric Stimulation; Feedback, Sensory; Hand; Humans; Sensation; Transcutaneous Electric Nerve Stimulation
TL;DR: The preliminary results showed that the spatial distribution of the haptic sensation was largely a direct summation/merge of the sensation regions from the individual nerve stimulation when comparing the regions to that of the concurrent double stimulation. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2018 journal article

Myoelectric Control Based on a Generic Musculoskeletal Model: Toward a Multi-User Neural-Machine Interface

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 26(7), 1435–1442.

By: L. Pan n, D. Crouch n & H. Huang n

Contributors: L. Pan n, D. Crouch n & H. Huang n

author keywords: Electromyography (EMG); multi-user; neural-machine interface; musculoskeletal model; transradial amputee
TL;DR: The results suggested that it is possible to design an EMG-driven NMI based on a musculoskeletal model that could fit multiple users, including upper limb amputees, for predicting coordinated MCP and wrist motion. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 conference paper

Visual Terrain Identification and Surface Inclination Estimation for Improving Human Locomotion with a Lower-Limb Prosthetic

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018-July, 1817–1820.

By: J. Diaz, R. da Silva n, B. Zhong n, H. Huang* & E. Lobaton n

Contributors: J. Diaz, R. Da Silva n, B. Zhong n, H. Huang* & E. Lobaton n

Event: 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Amputees; Artificial Limbs; Humans; Locomotion; Lower Extremity
TL;DR: This work developed a terrain identification and surface inclination estimation system for a prosthetic leg using visual and inertial sensors and built a dataset from which images with high sharpness are selected using the IMU signal. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2018 journal article

Voluntary Control of Residual Antagonistic Muscles in Transtibial Amputees: Feedforward Ballistic Contractions and Implications for Direct Neural Control of Powered Lower Limb Prostheses

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 26(4), 894–903.

By: S. Huang n & H. Huang n

Contributors: S. Huang n & H. Huang n

author keywords: Residual muscles; myoelectric control; lower limb amputee; powered prosthesis; postural control
MeSH headings : Adolescent; Adult; Aged; Amputees / psychology; Ankle / physiology; Artificial Limbs; Biomechanical Phenomena; Electromyography / statistics & numerical data; Electrophysiological Phenomena; Feedback, Physiological; Female; Humans; Lower Extremity; Male; Middle Aged; Muscle Contraction / physiology; Muscle, Skeletal / physiology; Prosthesis Design / methods; Psychomotor Performance; Recruitment, Neurophysiological; Task Performance and Analysis
TL;DR: Results suggest that it is feasible for transtibial amputees to generate ballistic control signals using their residual muscles, and future work on volitional control of powered power ankle prostheses might consider anticipatory postural control based on ballistic-like residual muscle activation patterns and direct continuous proportional myoelectric control. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

A New Powered Lower Limb Prosthesis Control Framework Based on Adaptive Dynamic Programming

IEEE Transactions on Neural Networks and Learning Systems, 28(9), 2215–2220.

Contributors: Y. Wen n, J. Si*, X. Gao*, S. Huang n & H. Huang n

TL;DR: Direct heuristic dynamic programming (dHDP) was applied to the control problem, and its performance was evaluated on OpenSim, an often-used dynamic walking simulator, and dHDP outperformed NFQCA in this application during a 200 gait cycle-based testing. (via Semantic Scholar)
Source: ORCID
Added: March 15, 2023

2017 journal article

A new powered lower limb prosthesis control framework based on adaptive dynamic programming

IEEE Transactions on Neural Networks and Learning Systems, 28(9), 2215–2220.

By: Y. Wen, J. Si, X. Gao, S. Huang & H. Huang

Source: NC State University Libraries
Added: August 6, 2018

2017 conference paper

A scalable shear and normal force sensor for prosthetic sensing

2017 IEEE SENSORS, 2017-December, 1–3.

By: T. Agcayazi n, M. McKnight n, P. Sotory*, H. Huang*, T. Ghosh n & A. Bozkurt n

Contributors: T. Agcayazi n, M. McKnight n, P. Sotory*, H. Huang*, T. Ghosh n & A. Bozkurt n

Event: 2017 IEEE SENSORS

TL;DR: This work introduces the design and experimental results of a capacitive shear and normal force sensor that works with a single transduction point to ease the process of spatial scaling and is integrated seamlessly on the liner component of the prosthetic limb. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2017 journal article

An Adaptive Classification Strategy for Reliable Locomotion Mode Recognition

Sensors, 17(9), 2020.

By: M. Liu n, F. Zhang n & H. Huang n

Contributors: M. Liu n, F. Zhang n & H. Huang n

author keywords: locomotion mode recognition; powered prosthesis leg; adaptive pattern classifier; surface electromyography; and human-in-the-loop
TL;DR: The online evaluation showed that the applied EBA effectively adapted to changes in input signals across sessions and yielded more reliable prosthesis control over time, compared with the LMR without adaptation. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 15, 2020

2017 conference paper

Cognitive workload in conventional direct control vs. pattern recognition control of an upper-limb prosthesis

2016 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2016 - Conference Proceedings, 2335–2340.

By: W. Zhang*, M. White*, M. Zahabi*, A. Winslow*, F. Zhang, H. Huang*, D. Kaber*

Contributors: W. Zhang*, M. White*, M. Zahabi*, A. Winslow*, F. Zhang, H. Huang*, D. Kaber*

TL;DR: This study provided evidence of both performance and workload advantages of PR control over DC control and identified a new effective measure of cognitive workload in upper limb prosthesis use via pupillography. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2017 conference paper

Comparing parallel and sequential control parameter tuning for a powered knee prosthesis

2017 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2017-January, 1716–1721.

By: Y. Wen, A. Brandt, M. Liu, H. Huang* & J. Si

Contributors: Y. Wen, A. Brandt, M. Liu, H. Huang* & J. Si

Event: 2017 IEEE International Conference on Systems, Man and Cybernetics (SMC)

TL;DR: The ability to simultaneously adjust all control parameters with ADP using a parallel strategy may be a preferred solution for the current high-dimension control challenge, which may lead to more advanced, adaptive powered knee prostheses. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2017 conference paper

Effects of output speed threshold on real-time continuous EMG human-machine interface control

Ieee international conference on systems man and cybernetics conference, 2017-January, 1375–1380.

By: S. Chung n, D. Crouch n & H. Huang n

Contributors: S. Chung n, D. Crouch n & H. Huang n

TL;DR: An output speed threshold method to stabilize the movement prediction of a 2-DOF musculoskeletal model-based continuous EMG controller during a real-time virtual task was successful in reducing overshoot and trial failures and a threshold was preferred by all subjects over no threshold. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Interactions Between Transfemoral Amputees and a Powered Knee Prosthesis During Load Carriage

Scientific Reports, 7(1).

By: A. Brandt*, Y. Wen*, M. Liu*, J. Stallings n & H. Huang*

Contributors: A. Brandt*, Y. Wen*, M. Liu*, J. Stallings n & H. Huang*

MeSH headings : Adult; Amputees; Artificial Limbs; Biomechanical Phenomena; Female; Humans; Knee Prosthesis; Male; Middle Aged; Perception; Prosthesis Design; Walking / physiology; Wearable Electronic Devices; Weight-Bearing / physiology; Young Adult
TL;DR: The results suggest transfemoral amputees could benefit from load-adaptive powered knee controllers, and controller adjustments affect amputee users more when they walk with (versus without) load. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

2017 conference paper

Musculoskeletal model for simultaneous and proportional control of 3-DOF hand and wrist movements from EMG signals

2017 8th International IEEE/EMBS Conference on Neural Engineering (NER), 325–328.

By: L. Pan*, D. Crouch* & H. Huang*

Contributors: L. Pan*, D. Crouch* & H. Huang*

Event: 2017 8th International IEEE/EMBS Conference on Neural Engineering (NER)

TL;DR: The results demonstrated that the proposed musculoskeletal model could feasibly simultaneously estimate 3-DOF joint angles during either independent-DOf or simultaneous 3- DOF movements from EMG signals. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2017 journal article

Musculoskeletal model-based control interface mimics physiologic hand dynamics during path tracing task

JOURNAL OF NEURAL ENGINEERING, 14(3).

By: D. Crouch n & H. Huang n

Contributors: D. Crouch n & H. Huang n

author keywords: electromyogram; prosthesis control; musculoskeletal model; dynamic simulation; amputation
MeSH headings : Adult; Amputees; Biomimetics / methods; Computer Simulation; Feasibility Studies; Female; Hand / physiology; Humans; Joints / innervation; Joints / physiology; Male; Middle Aged; Models, Neurological; Movement / physiology; Muscle, Skeletal / innervation; Muscle, Skeletal / physiology; Psychomotor Performance / physiology; Reproducibility of Results; Sensitivity and Specificity
TL;DR: The result suggests that the amputee’s motor control patterns were not accustomed to the multi-joint dynamics of the wrist and hand, possibly as a result of post-amputation cortical plasticity, disuse, or sensory deficits, and is potentially a practical and effective control platform for multifunctional myoelectric prostheses that could restore more life-like hand function for individuals with upper limb amputation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2017 conference paper

NREL-Exo: A 4-DoFs wearable hip exoskeleton for walking and balance assistance in locomotion

2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2017-September, 508–513.

By: T. Zhang n, M. Tran n & H. Huang n

Contributors: T. Zhang n, M. Tran n & H. Huang n

Event: 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

TL;DR: A high-power, self-balancing, passively and software-controlled active compliant, and wearable hip exoskeleton to provide walking and balance assistance and a new balance controller based on the “extrapolated center of mass” (XCoM) concept is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2017 journal article

Prediction of Intrinsically Caused Tripping Events in Individuals With Stroke

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 25(8), 1202–1210.

By: F. Zhang n, P. Bohlen n, M. Lewek* & H. Huang n

Contributors: F. Zhang n, P. Bohlen n, M. Lewek* & H. Huang n

author keywords: Fall prevention; gait; prediction; stroke rehabilitation; trips
MeSH headings : Accidental Falls / prevention & control; Adult; Aged; Aged, 80 and over; Feasibility Studies; Female; Gait; Gait Disorders, Neurologic / diagnosis; Gait Disorders, Neurologic / etiology; Gait Disorders, Neurologic / physiopathology; Humans; Male; Middle Aged; Monitoring, Ambulatory / methods; Pattern Recognition, Automated / methods; Reproducibility of Results; Sensitivity and Specificity; Stroke / complications; Stroke / physiopathology; Stroke Rehabilitation / methods
TL;DR: It was shown that it was feasible to predict intrinsically caused trips around 50–260 ms before ICTs occurred in the swing phase by monitoring lower limb kinematics during the preceding stance phase, and this may lead to further proactive engineering mechanisms for ICT avoidance and therefore reduce the risk of falls in individuals with stroke. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Usability Comparison of Conventional Direct Control Versus Pattern Recognition Control of Transradial Prostheses

IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS, 47(6), 1146–1157.

Contributors: M. White n, W. Zhang n, A. Winslow n, M. Zahabi*, F. Zhang*, H. Huang n, D. Kaber n

author keywords: Biomedical signal; Human factors; Man-machine systems; prosthetics
TL;DR: Empirical efficacy of using eye-tracking-based measures of cognitive load and standardize test paradigms for assessment of upper limb prosthetic usability is illustrated and supports PR prosthetic device control as an intuitive alternative to DC. (via Semantic Scholar)
UN Sustainable Development Goal Categories
8. Decent Work and Economic Growth (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

A cyber expert system for auto-tuning powered prosthesis impedance control parameters

Annals of Biomedical Engineering, 44(5), 1613–1624.

By: H. Huang n, D. Crouch n, M. Liu n, G. Sawicki n & D. Wang n

Contributors: H. Huang n, D. Crouch n, M. Liu n, G. Sawicki n & D. Wang n

MeSH headings : Ankle Joint; Electric Impedance; Female; Gait; Humans; Knee Joint; Knee Prosthesis; Male; Walking
TL;DR: A novel cyber expert system that encoded HME tuning decisions as computer rules to auto-tune control parameters for a powered knee (passive ankle) prosthesis and observed normative prosthetic knee kinematics and improved or slightly improved gait symmetry and step width within each subject. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: NC State University Libraries, NC State University Libraries, ORCID
Added: August 6, 2018

2016 conference paper

Adaptive control of powered transfemoral prostheses based on adaptive dynamic programming

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 5071–5074.

By: Y. Wen n, M. Liu n, J. Si* & H. Huang n

Contributors: Y. Wen n, M. Liu n, J. Si* & H. Huang n

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Algorithms; Amputees; Artificial Limbs; Biomechanical Phenomena; Electric Impedance; Femur / surgery; Humans; Prosthesis Design; Walking
TL;DR: The feasibility of ADP for adaptive control of a powered lower limb prosthesis was demonstrated and the results showed the ADP was able to adjust the prosthesis controller to generate the desired normative knee kinematics within 10 minutes. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2016 conference paper

Corticomuscular coherence variation throughout the gait cycle during overground walking and ramp ascent: A preliminary investigation

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 4634–4637.

By: A. Winslow n, J. Brantley*, F. Zhu*, J. Vidal* & H. Huang n

Contributors: A. Winslow n, J. Brantley*, F. Zhu*, J. Vidal* & H. Huang n

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Adult; Electroencephalography; Electromyography / methods; Gait / physiology; Humans; Male; Motor Cortex / physiology; Muscle, Skeletal / physiology
TL;DR: Coupling between the motor cortex and right tibialis anterior muscle activity was preliminarily investigated during self-paced over-ground walking and ramp ascent and may inform the future design of EEG-EMG multimodal NMIs for lower limb devices that assist locomotion of people with physical disabilities. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2016 journal article

Development of an Environment-Aware Locomotion Mode Recognition System for Powered Lower Limb Prostheses

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 24(4), 434–443.

By: M. Liu*, D. Wang & H. Huang*

Contributors: M. Liu*, D. Wang & H. Helen Huang

author keywords: A priori probability; locomotion mode recognition; prosthetics and orthotics; terrain recognition
MeSH headings : Accelerometry / instrumentation; Adult; Amputees / rehabilitation; Artificial Limbs; Ecosystem; Electric Power Supplies; Equipment Design; Equipment Failure Analysis; Exoskeleton Device; Female; Humans; Locomotion / physiology; Male; Monitoring, Ambulatory / instrumentation; Pattern Recognition, Automated / methods; Spatial Navigation / physiology
TL;DR: It is demonstrated that environmental information should be considered for operating wearable lower limb robotic devices, such as prosthetics and orthotics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 conference paper

Does the impedance of above-knee powered prostheses need to be adjusted for load-carrying conditions?

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 5075–5078.

By: A. Brandt, M. Liu* & H. Huang*

Contributors: A. Brandt, M. Liu* & H. Huang*

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Amputees; Biomechanical Phenomena; Electric Impedance; Feedback; Female; Gait / physiology; Humans; Knee Joint / physiopathology; Knee Prosthesis; Male; Weight-Bearing
TL;DR: Powered lower limb prostheses that modulate impedance control parameters for load-carrying tasks may improve the gait performance, safety, and comfort of amputees. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2016 conference paper

Effect of environmental factors on level of trip disturbance: A simulation study

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 5038–5041.

By: M. Liu*, P. Bohlen* & H. Huang*

Contributors: M. Liu*, P. Bohlen* & H. Huang*

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Accidental Falls / prevention & control; Computer Simulation; Environment; Humans
TL;DR: A simulation study is conducted to understand the relationship between trip-related disturbance levels and environmental factors and to clarify the design space as well as guide design and evaluation techniques of future trip recovery approaches. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2016 journal article

Lumped-parameter electromyogram-driven musculoskeletal hand model: A potential platform for real-time prosthesis control

JOURNAL OF BIOMECHANICS, 49(16), 3901–3907.

By: D. Crouch n & H. Huang n

Contributors: D. Crouch n & H. Huang n

author keywords: Wrist; Simulation; Amputation; Parameter; Optimization
MeSH headings : Adult; Artificial Limbs; Biomechanical Phenomena; Brain-Computer Interfaces; Electromyography / methods; Female; Forearm / physiology; Hand / physiology; Humans; Male; Metacarpophalangeal Joint / physiology; Models, Anatomic; Movement / physiology; Range of Motion, Articular / physiology; Robotics; Wrist Joint / physiology; Young Adult
TL;DR: The results showed the promise of a lumped-parameter, EMG-driven musculoskeletal model for hand/wrist kinematic estimation, and might be useful for EMG control of powered upper limb prostheses, but more work is needed to demonstrate its online performance. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 conference paper

Noninvasive EEG correlates of overground and stair walking

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 5729–5732.

By: J. Brantley*, T. Luu*, R. Ozdemir*, F. Zhu*, A. Winslow n, H. Huang n, J. Contreras-Vidal*

Contributors: J. Brantley*, T. Luu*, R. Ozdemir*, F. Zhu*, A. Winslow n, H. Huang n, J. Contreras-Vidal*

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Adult; Electroencephalography; Electromyography; Feedback; Humans; Lower Extremity / physiology; Male; Motor Cortex / physiology; Motor Neurons / cytology; Muscle, Skeletal / physiology; Walking / physiology
TL;DR: The initial findings support the feasibility of integrating sEMG and EEG into a hybrid decoder for volitional control of lower limb neuroprostheses and suggest afferent feedback loops from periphery to the motor cortex. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2016 conference paper

Simple EMG-driven musculoskeletal model enables consistent control performance during path tracing tasks

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 1–4.

By: D. Crouch n & H. Huang n

Contributors: D. Crouch n & H. Huang n

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Adult; Artificial Limbs; Biomechanical Phenomena; Electromyography / methods; Hand / physiology; Humans; Male; Models, Biological; Movement / physiology; Muscle, Skeletal / physiology; Pilot Projects; User-Computer Interface; Wrist / physiology; Wrist Joint
TL;DR: It is suggested that a musculoskeletal model-based controller may provide consistent and effective performance across a range of operating conditions, making it potentially practical for prosthesis control. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2016 conference paper

Tolerance of neural decoding errors for powered artificial legs: A pilot study

2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016-October, 4630–4633.

By: F. Zhang n, M. Liu n & H. Huang n

Contributors: F. Zhang n, M. Liu n & H. Huang n

Event: 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

MeSH headings : Amputees; Artificial Limbs; Electric Power Supplies; Humans; Neurons / physiology; Pilot Projects; Prosthesis Design
TL;DR: This study aimed at improving the robustness of prosthesis control system against neural decoding errors by introducing a fault-tolerant control (FTC) strategy and may provide a potential engineering solution to make the neural control of powered artificial legs safer to use. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 14, 2020

2015 journal article

A real-time, practical sensor fault-tolerant module for robust EMG pattern recognition

JOURNAL OF NEUROENGINEERING AND REHABILITATION, 12(1).

By: X. Zhang* & H. Huang n

Contributors: X. Zhang* & H. Huang n

author keywords: Sensor fault-tolerant; EMG pattern recognition; Real-time; Signal disturbance; Practical; Robust; Outlier detection; Self-recovery
MeSH headings : Algorithms; Amputees; Arm; Artificial Limbs; Bioengineering / instrumentation; Bioengineering / methods; Electromyography / instrumentation; Electromyography / methods; Female; Humans; Pattern Recognition, Automated / methods; Time Factors
TL;DR: The results of the real-time tests suggested that the SFTM was able to handle different types of disturbances investigated in this study and significantly improve the classification performance when one or multiple EMG signals were disturbed. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

An Optimization-Based Approach for Prosthesis Dynamic Modeling and Parameter Identification

Volume 1: Adaptive and Intelligent Systems Control; Advances in Control Design Methods; Advances in Non-Linear and Optimal Control; Advances in Robotics; Advances in Wind Energy Systems; Aerospace Applications; Aerospace Power Optimization; Assistive Robotics; Automotive 2: Hybrid Electric Vehicles; Automotive 3: Internal Combustion Engines; Automotive Engine Control; Battery Management; Bio Engineering Applications; Biomed and Neural Systems; Connected Vehicles; Control of Robotic Systems, 1.

By: T. Yang*, F. Wu n, M. Liu n & H. Huang n

Contributors: T. Yang*, F. Wu n, M. Liu n & H. Huang n

Event: ASME 2015 Dynamic Systems and Control Conference

TL;DR: An effective approach to model the prosthetic leg dynamics for amputees wearing active-transfemoral prosthesis (ATP) which is self-powered and validated by comparing the predicted dynamics with experimental measurements is proposed. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018