Works (122)

2022 article

A Hybrid Knee Exoskeleton Using Real-Time Ultrasound-Based Muscle Fatigue Assessment

Sheng, Z., Iyer, A., Sun, Z., Kim, K., & Sharma, N. (2022, May 19). IEEE-ASME TRANSACTIONS ON MECHATRONICS, Vol. 5.

By: Z. Sheng, A. Iyer, Z. Sun, K. Kim* & N. Sharma

Sources: Web Of Science, ORCID
Added: June 6, 2022

2022 journal article

An Iterative Learning Controller for a Switched Cooperative Allocation Strategy During Sit-to-Stand Tasks with a Hybrid Exoskeleton

IEEE Transactions on Control Systems Technology, 30(3), 1021–1036.

By: V. Molazadeh*, Q. Zhang, X. Bao* & N. Sharma

Sources: ORCID, NC State University Libraries, Web Of Science
Added: January 3, 2022

2022 article

Continuous Switching Control of an Input-Delayed Antagonistic Muscle Pair During Functional Electrical Stimulation

Sun, Z., Qiu, T., Iyer, A., Dicianno, B. E., & Sharma, N. (2022, June 21). IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, Vol. 6.

By: Z. Sun, T. Qiu, A. Iyer, B. Dicianno & N. Sharma

Sources: ORCID, Web Of Science
Added: June 22, 2022

2022 article

Editorial: Next Generation User-Adaptive Wearable Robots

Bulea, T. C., Sharma, N., Sikdar, S., & Su, H. (2022, June 22). FRONTIERS IN ROBOTICS AND AI, Vol. 9.

By: T. Bulea*, N. Sharma, S. Sikdar & H. Su

Sources: Web Of Science, ORCID
Added: July 18, 2022

2022 article

Fused Ultrasound And Electromyography-Driven Neuromuscular Model To Improve Plantarflexion Moment Prediction Across Walking Speeds

Zhang, Q., Fragnito, N., Franz, J. R., & Sharma, N. (2022, January 11).

By: Q. Zhang, N. Fragnito n, J. Franz n & N. Sharma

Source: ORCID
Added: January 12, 2022

2022 article

Fused Ultrasound and Electromyography-driven Neuromuscular Model to Improve Plantarflexion Moment Prediction across Walking Speeds

ResearchSquare.

By: Q. Zhang, N. Fragnito, J. Franz & N. Sharma

Source: ORCID
Added: July 28, 2022

2022 journal article

Fused ultrasound and electromyography-driven neuromuscular model to improve plantarflexion moment prediction across walking speeds

Journal of NeuroEngineering and Rehabilitation, 19(1).

By: Q. Zhang, N. Fragnito n, J. Franz n & N. Sharma

Source: ORCID
Added: August 10, 2022

2022 journal article

Personalized fusion of ultrasound and electromyography-derived neuromuscular features increases prediction accuracy of ankle moment during plantarflexion

BIOMEDICAL SIGNAL PROCESSING AND CONTROL, 71.

By: Q. Zhang, W. Clark*, J. Franz & N. Sharma

Sources: Web Of Science, ORCID
Added: October 4, 2021

2022 journal article

Ultrasound Echogenicity as an Indicator of Muscle Fatigue during Functional Electrical Stimulation

SENSORS, 22(1).

By: Q. Zhang, A. Iyer, K. Lambeth, K. Kim* & N. Sharma

Sources: ORCID, Web Of Science
Added: January 8, 2022

2022 article

Ultrasound Imaging-Based Closed-Loop Control of Functional Electrical Stimulation for Drop Foot Correction

Zhang, Q., Lambeth, K., Iyer, A., Sun, Z., & Sharma, N. (2022, September 30). IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, Vol. 9.

By: Q. Zhang, K. Lambeth, A. Iyer, Z. Sun & N. Sharma

Sources: ORCID, Web Of Science
Added: October 1, 2022

2022 chapter

Ultrasound-Based Sensing and Control of Functional Electrical Stimulation for Ankle Joint Dorsiflexion: Preliminary Study

In Biosystems and Biorobotics (Vol. 27, pp. 307–311).

By: Q. Zhang, A. Iyer n & N. Sharma

Source: ORCID
Added: July 28, 2022

2021 journal article

A Dual-Modal Approach Using Electromyography and Sonomyography Improves Prediction of Dynamic Ankle Movement: A Case Study

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 29, 1944–1954.

By: Q. Zhang, A. Iyer, Z. Sun, K. Kim* & N. Sharma

Sources: ORCID, Web Of Science
Added: September 28, 2021

2021 conference paper

A Tube-based Model Predictive Control Method for Joint Angle Tracking with Functional Electrical Stimulation and An Electric Motor Assist

2021 American Control Conference (ACC), 2021-May, 1390–1395.

By: Z. Sun n, X. Bao*, Q. Zhang, K. Lambeth n & N. Sharma

Event: 2021 American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2021 journal article

A Tube-based Model Predictive Control Method to Regulate a Knee Joint with Functional Electrical Stimulation and Electric Motor Assist

IEEE Transactions on Control Systems Technology, 29(5), 2180–2191.

By: X. Bao*, Z. Sheng, B. Dicianno* & N. Sharma

Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 12, 2021

2021 journal article

Evaluation of Non-Invasive Ankle Joint Effort Prediction Methods for Use in Neurorehabilitation Using Electromyography and Ultrasound Imaging

IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 68(3), 1044–1055.

By: Q. Zhang, A. Iyer, K. Kim* & N. Sharma

Sources: Web Of Science, ORCID
Added: March 22, 2021

2021 conference paper

Plantarflexion Moment Prediction during the Walking Stance Phase with an sEMG-Ultrasound Imaging-Driven Model

2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2021-January, 6267–6272.

By: Q. Zhang, N. Fragnito, A. Myers & N. Sharma

Event: 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society at Mexico on November 1-5, 2021

Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 25, 2022

2021 journal article

Shared Control of a Powered Exoskeleton and Functional Electrical Stimulation Using Iterative Learning

FRONTIERS IN ROBOTICS AND AI, 8.

By: V. Molazadeh*, Q. Zhang, X. Bao*, B. Dicianno* & N. Sharma

Sources: Web Of Science, ORCID
Added: November 29, 2021

2021 journal article

Switched Control of an N-Degree-of-Freedom Input Delayed Wearable Robotic System

Automatica, 125.

By: Z. Sheng, Z. Sun n, V. Molazadeh* & N. Sharma

Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 17, 2021

2021 conference paper

Ultrasound Echogenicity-based Assessment of Muscle Fatigue During Functional Electrical Stimulation

2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 5948–5952.

By: Q. Zhang, A. Iyer, K. Lambeth, K. Kim* & N. Sharma

Event: 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society at Mexico on November 1-5, 2021

Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 25, 2022

2020 conference paper

An Ultrasound Imaging Based Observer for Estimating NMES-Induced Muscle Fatigue: Theory and Simulation

Volume 1: Adaptive/Intelligent Sys. Control; Driver Assistance/Autonomous Tech.; Control Design Methods; Nonlinear Control; Robotics; Assistive/Rehabilitation Devices; Biomedical/Neural Systems; Building Energy Systems; Connected Vehicle Systems; Control/Estimation of Energy Systems; Control Apps.; Smart Buildings/Microgrids; Education; Human-Robot Systems; Soft Mechatronics/Robotic Components/Systems; Energy/Power Systems; Energy Storage; Estimation/Identification; Vehicle Efficiency/Emissions, 1.

By: Z. Sheng, K. Kim* & N. Sharma

Event: ASME 2020 Dynamic Systems and Control Conference

Sources: Crossref, ORCID
Added: September 23, 2021

2020 conference paper

Analysis of Tremor During Grasp Using Ultrasound Imaging: Preliminary Study

Proceedings of the 8th IEEE RAS/EMBS International Conference on Biomedical Robotics and Biomechatronics, 2020-November, 533–538.

By: A. Iyer n, Z. Sheng, Q. Zhang, K. Kim* & N. Sharma

Event: 8th IEEE RAS/EMBS International Conference on Biomedical Robotics and Biomechatronics (BioRob) at New York on November 29 - December 1, 2020

Sources: NC State University Libraries, ORCID
Added: September 23, 2021

2020 chapter

Hybrid Wearable Robotic Exoskeletons for Human Walking

In Wearable Robotics (pp. 347–364).

By: J. Moreno*, S. Mohammed, N. Sharma & A. del-Ama*

Sources: Crossref, ORCID
Added: September 23, 2021

2020 chapter

Model Predictive Control-Based Knee Actuator Allocation During a Standing-Up Motion with a Powered Exoskeleton and Functional Electrical Stimulation

In R. Vinjamuri (Ed.), Advances in Motor Neuroprostheses (pp. 89–100).

By: X. Bao*, V. Molazadeh*, A. Dodson n & N. Sharma

Ed(s): R. Vinjamuri

Sources: NC State University Libraries, ORCID
Added: September 23, 2021

2020 journal article

Prediction of Ankle Dorsiflexion Moment by Combined Ultrasound Sonography and Electromyography

IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING, 28(1), 318–327.

By: Q. Zhang, K. Kim* & N. Sharma

Sources: Web Of Science, ORCID
Added: February 3, 2020

2020 journal article

Quantitative Assessment of Changes in Muscle Contractility Due to Fatigue During NMES: An Ultrasound Imaging Approach

IEEE Transactions on Biomedical Engineering, 67(3), 832–841.

By: Z. Sheng, N. Sharma & K. Kim*

Source: ORCID
Added: August 12, 2021

2020 conference paper

Sampled-Data Observer Based Dynamic Surface Control of Delayed Neuromuscular Functional Electrical Stimulation

[Paper]. Volume 1: Adaptive/Intelligent Sys. Control; Driver Assistance/Autonomous Tech.; Control Design Methods; Nonlinear Control; Robotics; Assistive/Rehabilitation Devices; Biomedical/Neural Systems; Building Energy Systems; Connected Vehicle Systems; Control/Estimation of Energy Systems; Control Apps.; Smart Buildings/Microgrids; Education; Human-Robot Systems; Soft Mechatronics/Robotic Components/Systems; Energy/Power Systems; Energy Storage; Estimation/Identification; Vehicle Efficiency/Emissions, 1(DSCC2020-3225).

By: Q. Zhang, A. Iyer n, Z. Sun n, A. Dodson n & N. Sharma

Event: ASME 2020 Dynamic Systems and Control Conference on October 5-7, 2020

Sources: Crossref, ORCID
Added: September 23, 2021

2020 article

Ultra-High-Frame-Rate Ultrasound Monitoring of Muscle Contractility Changes Due to Neuromuscular Electrical Stimulation

ANNALS OF BIOMEDICAL ENGINEERING, Vol. 49, pp. 262–275.

By: Z. Sheng, N. Sharma & K. Kim*

Sources: ORCID, Web Of Science
Added: June 15, 2020

2020 journal article

Using Person-Specific Muscle Fatigue Characteristics to Optimally Allocate Control in a Hybrid Exoskeleton—Preliminary Results

IEEE Transactions on Medical Robotics and Bionics, 2(2), 226–235.

By: X. Bao*, V. Molazadeh*, A. Dodson*, B. Dicianno* & N. Sharma

Source: ORCID
Added: August 12, 2021

2020 conference paper

Volitional Contractility Assessment of Plantar Flexors by Using Non-invasive Neuromuscular Measurements

2020 8th IEEE RAS/EMBS International Conference for Biomedical Robotics and Biomechatronics (BioRob), 2020-November, 515–520.

By: Q. Zhang, A. Iyer n, K. Kim* & N. Sharma

Event: 2020 8th IEEE RAS/EMBS International Conference for Biomedical Robotics and Biomechatronics (BioRob)

Sources: Crossref, ORCID
Added: September 23, 2021

2019 journal article

A Robust Iterative Learning Switching Controller for following Virtual Constraints: Application to a Hybrid Neuroprosthesis

IFAC-PapersOnLine, 51(34), 28–33.

By: V. Molazadeh*, Z. Sheng, X. Bao* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2019 conference paper

Ankle Dorsiflexion Strength Monitoring by Combining Sonomyography and Electromyography

2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR), 2019-June, 240–245.

By: Q. Zhang, Z. Sheng, F. Moore-Clingenpeel*, K. Kim* & N. Sharma

Event: 2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR) at Toronto, Ontario, Canada on June 24-28, 2019

Sources: Crossref, ORCID
Added: September 23, 2021

2019 journal article

Lyapunov-based Model Predictive Control of an Input Delayed Functional Electrical Simulation

IFAC-PapersOnLine, 51(34), 290–295.

By: Z. Sun*, X. Bao* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2019 journal article

Model Predictive Control of a Feedback-Linearized Hybrid Neuroprosthetic System With a Barrier Penalty

Journal of Computational and Nonlinear Dynamics, 14(10).

By: X. Bao*, N. Kirsch*, A. Dodson* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2019 conference paper

Muscle Fatigue Assessment in a Wearable Neuroprosthesis Using Ultrasound Strain Imaging

Sheng, Z., Sharma, N., & Kim, K. (2019, June 24). Presented at the International Functional Electrical Stimulation Society Conference, Toronto, Canada.

By: Z. Sheng, N. Sharma & K. Kim

Event: International Functional Electrical Stimulation Society Conference at Toronto, Canada on June 24-28, 2019

Source: NC State University Libraries
Added: September 23, 2021

2019 conference paper

Neural-Network Based Iterative Learning Control of a Hybrid Exoskeleton with an MPC Allocation Strategy

[Paper]. Proceedings of the ASME Dynamic Systems Control Conference, 1(DSCC2019-9191).

By: V. Molazadeh*, Q. Zhang, X. Bao* & N. Sharma

Event: Dynamic Systems and Control (DSC) Conference at Park City, UT on October 8-11, 2019

Sources: NC State University Libraries, ORCID
Added: September 24, 2021

2019 speech

New Control and Sensing Approaches for Integrating Functional Electrical Stimulation in a Wearable Exoskeletons

Sharma, N. (2019, February). Presented at the Joint Department of Biomedical Engineering Raleigh: North Carolina State University, University of North Carolina at Chapel Hill.

By: N. Sharma

Event: at Joint Department of Biomedical Engineering Raleigh: North Carolina State University, University of North Carolina at Chapel Hill on February 25, 2019

Source: NC State University Libraries
Added: September 26, 2021

2019 conference paper

Observer Design for a Nonlinear Neuromuscular System with Multi-rate Sampled and Delayed Output Measurements

2019 American Control Conference (ACC), 2019-July, 872–877.

By: Q. Zhang, Z. Sheng, K. Kim* & N. Sharma

Event: 2019 American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2019 journal article

Sub-optimally solving actuator redundancy in a hybrid neuroprosthetic system with a multi-layer neural network structure

International Journal of Intelligent Robotics and Applications, 3(3), 298–313.

By: X. Bao*, Z. Mao*, P. Munro*, Z. Sun* & N. Sharma

Source: ORCID
Added: August 12, 2021

2019 conference paper

Tube-based Model Predictive Control of An Input Delayed Functional Electrical Stimulation

2019 American Control Conference (ACC), 2019-July, 5420–5425.

By: Z. Sun*, X. Bao* & N. Sharma

Event: 2019 American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2019 journal article

Ultrasound Tracking of the Acoustically Actuated Microswimmer

IEEE Transactions on Biomedical Engineering, 66(11), 3231–3237.

By: Q. Chen*, F. Liu*, Z. Xiao*, N. Sharma, S. Cho* & K. Kim*

Source: ORCID
Added: August 12, 2021

2018 journal article

A Control Scheme That Uses Dynamic Postural Synergies to Coordinate a Hybrid Walking Neuroprosthesis: Theory and Experiments

Frontiers in Neuroscience, 12(APR).

By: N. Alibeji*, V. Molazadeh*, B. Dicianno* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2018 journal article

A Muscle Synergy-Inspired Control Design to Coordinate Functional Electrical Stimulation and a Powered Exoskeleton: Artificial Generation of Synergies to Reduce Input Dimensionality

IEEE Control Systems, 38(6), 35–60.

By: N. Alibeji*, V. Molazadeh*, F. Moore-Clingenpeel* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2018 conference paper

A Within-Stride Switching Controller for Walking with Virtual Constraints: Application to a Hybrid Neuroprosthesis

2018 Annual American Control Conference (ACC), 2018-June, 5286–5291.

By: V. Molazadeh*, Z. Sheng & N. Sharma

Event: 2018 Annual American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2018 article

A supplementary condition for the convergence of the control policy during adaptive dynamic programming

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85098840725&partnerID=MN8TOARS

By: X. Bao, Z. Mao & N. Sharma

Source: ORCID
Added: July 28, 2022

2018 article

A theoretical difficulty in approximate dynamic programming with input constraints

ArXiv. http://www.scopus.com/inward/record.url?eid=2-s2.0-85098820021&partnerID=MN8TOARS

By: X. Bao, Z. Mao & N. Sharma

Source: ORCID
Added: July 28, 2022

2018 conference paper

An Active-Subspace-Based Algorithm for Reducing Redundancy in a Hybrid Neuroprosthesis

2018 IEEE Conference on Decision and Control (CDC), 2018-December, 4849–4854.

By: F. Moore-Clingenpeel*, V. Molazadeh* & N. Sharma

Event: 2018 IEEE Conference on Decision and Control (CDC) at Miami, FL on December 17-19, 2018

Sources: Crossref, ORCID
Added: September 23, 2021

2018 journal article

Dynamic optimization of stimulation frequency to reduce isometric muscle fatigue using a modified Hill‐Huxley model

Muscle & Nerve, 57(4), 634–641.

By: B. Doll*, N. Kirsch*, X. Bao*, B. Dicianno* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2018 conference paper

Hybrid Dynamical System Model and Robust Control of a Hybrid Neuroprosthesis Under Fatigue Based Switching

2018 Annual American Control Conference (ACC), 2018-June, 1446–1451.

By: Z. Sheng, V. Molazadeh* & N. Sharma

Event: 2018 Annual American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2018 journal article

Model-Based Dynamic Control Allocation in a Hybrid Neuroprosthesis

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 26(1), 224–232.

By: N. Kirsch*, X. Bao*, N. Alibeji*, B. Dicianno* & N. Sharma

Source: ORCID
Added: August 12, 2021

2017 journal article

A Modified Dynamic Surface Controller for Delayed Neuromuscular Electrical Stimulation

IEEE/ASME Transactions on Mechatronics, 22(4), 1755–1764.

By: N. Alibeji*, N. Kirsch*, B. Dicianno* & N. Sharma

Source: ORCID
Added: August 12, 2021

2017 journal article

A Non-Linear Control Method to Compensate for Muscle Fatigue during Neuromuscular Electrical Stimulation

Frontiers in Robotics and AI, 4(DEC).

By: N. Sharma, N. Kirsch*, N. Alibeji* & W. Dixon*

Sources: Crossref, ORCID
Added: September 23, 2021

2017 journal article

A Nonlinear Dynamics-Based Estimator for Functional Electrical Stimulation: Preliminary Results From Lower-Leg Extension Experiments

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 25(12), 2365–2374.

By: M. Allen*, Q. Zhong*, N. Kirsch*, A. Dani*, W. Clark* & N. Sharma

Sources: ORCID, Crossref
Added: August 12, 2021

2017 journal article

A PID-Type Robust Input Delay Compensation Method for Uncertain Euler–Lagrange Systems

IEEE Transactions on Control Systems Technology, 25(6), 2235–2242.

By: N. Alibeji* & N. Sharma

Source: ORCID
Added: August 12, 2021

2017 conference paper

A Tube-based Model Predictive Control Method for Sharing Control Inputs in a Hybrid Neuroprosthesis

Bao, X., Sheng, Z., & Sharma, N. (2017, October 24). Presented at the IROS workshop on Assistance and Service Robotics in a Human Environment, Vancouver, British Columbia, Canada.

By: X. Bao, Z. Sheng & N. Sharma

Event: IROS workshop on Assistance and Service Robotics in a Human Environment at Vancouver, British Columbia, Canada on October 24-28, 2017

Source: NC State University Libraries
Added: September 24, 2021

2017 conference paper

A recurrent neural network based MPC for a hybrid neuroprosthesis system

2017 IEEE 56th Annual Conference on Decision and Control (CDC), 2018-January, 4715–4720.

By: X. Bao*, Z. Sun* & N. Sharma

Event: 2017 IEEE 56th Annual Conference on Decision and Control (CDC)

Sources: ORCID, Crossref
Added: September 23, 2021

2017 journal article

An adaptive low-dimensional control to compensate for actuator redundancy and FES-induced muscle fatigue in a hybrid neuroprosthesis

Control Engineering Practice, 59, 204–219.

By: N. Alibeji*, N. Kirsch* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2017 journal article

Bilateral control of functional electrical stimulation and robotics-based telerehabilitation

International Journal of Intelligent Robotics and Applications, 1(1), 6–18.

By: N. Alibeji*, B. Dicianno* & N. Sharma

Source: ORCID
Added: August 12, 2021

2017 chapter

Dynamic Optimization of a Hybrid Gait Neuroprosthesis to Improve Efficiency and Walking Duration: A Simulation Study

In J. Ibáñez, J. González-Vargas, J. Azorín, M. Akay, & J. Pons (Eds.), Converging Clinical and Engineering Research on Neurorehabilitation II (pp. 687–691).

By: N. Kirsch*, N. Alibeji*, M. Redfern* & N. Sharma

Ed(s): J. Ibáñez, J. González-Vargas, J. Azorín, M. Akay & J. Pons

Sources: Crossref, ORCID
Added: September 23, 2021

2017 conference paper

Experimental demonstration of a delay compensating controller in a hybrid walking neuroprosthesis

2017 8th International IEEE/EMBS Conference on Neural Engineering (NER), 465–468.

By: A. Dodson*, N. Alibeji* & N. Sharma

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

Sources: Crossref, ORCID
Added: September 23, 2021

2017 conference paper

Human Motor Control Inspired Controller to Compensate for Actuator Redundancy in a Hybrid Neuroprosthesis

Workshop on Assistance and Service Robotics in a Human Environment. Presented at the 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems, Vancouver, British Columbia, Canada.

By: N. Sharma

Event: 2017 IEEE/RSJ International Conference on Intelligent Robots and Systems at Vancouver, British Columbia, Canada on September 24-28, 2017

Source: NC State University Libraries
Added: September 23, 2021

2017 chapter

Modeling and Dynamic Optimization of a Hybrid Neuroprosthesis for Gait Restoration

In J. Ueda & Y. Kurita (Eds.), Human Modelling for Bio-Inspired Robotics (pp. 139–159).

By: N. Sharma & N. Kirsch*

Ed(s): J. Ueda & Y. Kurita

Sources: Crossref, ORCID
Added: September 23, 2021

2017 journal article

Nonlinear model predictive control of functional electrical stimulation

Control Engineering Practice, 58, 319–331.

By: N. Kirsch*, N. Alibeji* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2017 chapter

Preliminary Experiments of an Adaptive Low-Dimensional Control for a Hybrid Neuroprosthesis

In J. Ibáñez, J. González-Vargas, J. Azorín, M. Akay, & J. Pons (Eds.), Converging Clinical and Engineering Research on Neurorehabilitation II (pp. 693–697).

By: N. Alibeji*, N. Kirsch* & N. Sharma

Ed(s): J. Ibáñez, J. González-Vargas, J. Azorín, M. Akay & J. Pons

Sources: Crossref, ORCID
Added: September 23, 2021

2017 conference paper

Shared control of functional electrical stimulation and an electric motor in a hybrid neuroprosthesis

Sharma, N. (2017, May 29). Presented at the 2017 IEEE International Conference on Robotics and Automation (ICRA) : Innovation, Entrepreneurship, and Real-world Sollutions, Marina Bay Sands, Singapore.

By: N. Sharma

Event: 2017 IEEE International Conference on Robotics and Automation (ICRA) : Innovation, Entrepreneurship, and Real-world Sollutions at Marina Bay Sands, Singapore on May 29 - June 3, 2017

Source: NC State University Libraries
Added: September 23, 2021

2017 speech

Shared control of functional electrical stimulation and an electric motor in a hybrid neuroprosthesis

Sharma, S. (2017, March). Presented at the Institute of Robotics and Intelligent Machines, Georgia Institute of Technology, Atlanta, Georgia.

By: S. Sharma

Event: Institute of Robotics and Intelligent Machines at Georgia Institute of Technology, Atlanta, Georgia on March 8, 2017

Source: NC State University Libraries
Added: September 24, 2021

2016 speech

Control methods for shared use of an electrically-stimulated human muscle and a robot in a hybrid neuroprosthetic

Sharma, N. (2016, June). Presented at the Robotics Science Systems Workshop on Human Robot Collaboration, University of Michigan, Ann Arbor, MI.

By: N. Sharma

Event: Robotics Science Systems Workshop on Human Robot Collaboration at University of Michigan, Ann Arbor, MI on June 18, 2016

Source: NC State University Libraries
Added: September 24, 2021

2016 conference paper

Dynamic control allocation of a feedback linearized hybrid neuroprosthetic system

2016 American Control Conference (ACC), 2016-July, 3976–3981.

By: X. Bao*, N. Kirsch* & N. Sharma

Event: 2016 American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2016 conference paper

Robust compensation of electromechanical delay during neuromuscular electrical stimulation of antagonistic muscles

2016 American Control Conference (ACC), 2016-July, 4871–4876.

By: T. Qiu*, N. Alibeji* & N. Sharma

Event: 2016 American Control Conference (ACC) at Boston, MA on July 6-8, 2016

Sources: Crossref, ORCID
Added: September 23, 2021

2016 speech

Shared control of functional electrical stimulation and an electric motor in a hybrid neuroprosthesis

Sharma, N. (2016, March). Presented at the Department of Sports Medicine, University of Pittsburgh, Pittsburgh, PA.

By: N. Sharma

Event: at Department of Sports Medicine, University of Pittsburgh, Pittsburgh, PA on March 1, 2016

Source: NC State University Libraries
Added: September 26, 2021

2016 speech

Shared control of functional electrical stimulation and an electric motor in a hybrid neuroprosthesis

Sharma, N. (2016, November). Presented at the Department of Engineering Science and Mechanics at Pennsylvania State University, State College, PA.

By: N. Sharma

Event: at Department of Engineering Science and Mechanics at Pennsylvania State University, State College, PA on November 16, 2016

Source: NC State University Libraries
Added: September 30, 2021

2016 conference paper

Switching control of functional electrical stimulation and motor assist for muscle fatigue compensation

2016 American Control Conference (ACC), 2016-July, 4865–4870.

By: N. Kirsch*, N. Alibeji*, B. Dicianno* & N. Sharma

Event: 2016 American Control Conference (ACC) at Boston, MA on July 6-8, 2016

Sources: Crossref, ORCID
Added: September 23, 2021

2015 journal article

A Muscle Synergy-Inspired Adaptive Control Scheme for a Hybrid Walking Neuroprosthesis

Frontiers in Bioengineering and Biotechnology, 3, 203.

By: N. Alibeji*, N. Kirsch* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2015 journal article

An Adaptive Low-Dimensional Control for a Hybrid Neuroprosthesis

IFAC-PapersOnLine, 48(20), 303–308.

By: N. Alibeji*, N. Kirsch* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2015 speech

Closed-loop Control Methods for a Hybrid Neuroprosthesis

Sharma, N. (2015, June). Presented at the Human Engineering Research Laboratories, University of Pittsburgh, Pittsburgh, PA.

By: N. Sharma

Event: Human Engineering Research Laboratories at University of Pittsburgh, Pittsburgh, PA on June 22, 2015

Source: NC State University Libraries
Added: September 24, 2021

2015 speech

Closed-loop Control Methods for a Hybrid Neuroprosthesis

Sharma, N. (2015, October). Presented at the Panther Rounds Speaker (UPMC Mercy), Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA.

By: N. Sharma

Event: at Panther Rounds Speaker (UPMC Mercy), Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA on October 21, 2015

Source: NC State University Libraries
Added: September 30, 2021

2015 conference paper

Dynamic surface control of neuromuscular electrical stimulation of a musculoskeletal system with activation dynamics and an input delay

2015 American Control Conference (ACC), 2015-July, 631–636.

By: N. Alibeji*, N. Kirsch* & N. Sharma

Event: 2015 American Control Conference (ACC)

Sources: Crossref, ORCID
Added: September 23, 2021

2015 conference paper

Expectation Maximization Method to Identify an Electrically Stimulated Musculoskeletal Model

[Paper]. Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, 2(DSCC2015-9956).

By: H. Ravichandar*, A. Dani*, J. Khadijah-Hajdu*, N. Kirsch*, Q. Zhong* & N. Sharma

Event: ASME 2015 Dynamic Systems and Control Conference

Sources: Crossref, ORCID
Added: September 23, 2021

2015 journal article

Further Results on Predictor-Based Control of Neuromuscular Electrical Stimulation

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 23(6), 1095–1105.

By: N. Alibeji*, N. Kirsch*, S. Farrokhi* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2015 conference paper

Nonlinear Model Predictive Control of Functional Electrical Stimulation

Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, 2.

By: N. Kirsch*, N. Alibeji* & N. Sharma

Event: ASME 2015 Dynamic Systems and Control Conference

Sources: Crossref, ORCID
Added: September 23, 2021

2015 journal article

Optimization of a Stimulation Train based on a Predictive Model of Muscle Force and Fatigue

IFAC-PapersOnLine, 48(20), 338–342.

By: B. Doll*, N. Kirsch* & N. Sharma

Sources: Crossref, ORCID
Added: September 23, 2021

2014 conference paper

A discrete-time nonlinear estimator for an orthosis-aided gait

ASME 2014 Dynamic Systems and Control Conference, DSCC 2014, 1. http://www.scopus.com/inward/record.url?eid=2-s2.0-84929353401&partnerID=MN8TOARS

By: A. Dani & N. Sharma

Source: ORCID
Added: August 12, 2021

2014 conference paper

A semi-active hybrid neuroprosthesis for restoring lower limb function in paraplegics

2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014, 2557–2560.

By: N. Kirsch*, N. Alibeji*, L. Fisher*, C. Gregory* & N. Sharma

Source: ORCID
Added: August 12, 2021

2014 conference paper

A state synchronization controller for functional electrical stimulation-based telerehabilitation

ASME 2014 Dynamic Systems and Control Conference, DSCC 2014, 3.

By: N. Alibeji*, N. Kirsch*, A. Sethi* & N. Sharma

Source: ORCID
Added: August 12, 2021

2014 journal article

Dynamic optimization of FES and orthosis-based walking using simple models

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 22(1), 114–126.

By: N. Sharma, V. Mushahwar* & R. Stein*

Source: ORCID
Added: August 12, 2021

2014 conference paper

Model predictive control-based dynamic control allocation in a hybrid neuroprosthesis

ASME 2014 Dynamic Systems and Control Conference, DSCC 2014, 3.

By: N. Kirsch*, N. Alibeji* & N. Sharma

Source: ORCID
Added: August 12, 2021

2014 conference paper

Nonlinear estimation of gait kinematics during functional electrical stimulation and orthosis-based walking

2014 American Control Conference, 4778–4783.

By: N. Sharma & A. Dani*

Event: 2014 American Control Conference - ACC 2014 at Portland, OR on June 4-6, 2014

Sources: ORCID, Crossref
Added: August 12, 2021

2013 journal article

Adaptive inverse optimal neuromuscular electrical stimulation

IEEE Transactions on Cybernetics, 43(6), 1710–1718.

By: Q. Wang*, N. Sharma, M. Johnson*, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2013 conference paper

Control of functional electrical stimulation in the presence of electromechanical and communication delays

International IEEE/EMBS Conference on Neural Engineering, NER, 299–302.

By: N. Alibeji*, N. Kirsch* & N. Sharma

Source: ORCID
Added: August 12, 2021

2013 conference paper

Optimized control of different actuation strategies for FES and orthosis aided gait

ASME 2013 Dynamic Systems and Control Conference, DSCC 2013, 1.

By: N. Kirsch*, N. Alibeji* & N. Sharma

Source: ORCID
Added: August 12, 2021

2013 journal article

Saturated control of an uncertain nonlinear system with input delay

Automatica, 49(6), 1741–1747.

By: N. Fischer*, A. Dani*, N. Sharma & W. Dixon*

Source: ORCID
Added: August 12, 2021

2012 conference paper

A predictor-based compensation for electromechanical delay during neuromuscular electrical stimulation-II

Proceedings of the American Control Conference, 5604–5609. http://www.scopus.com/inward/record.url?eid=2-s2.0-84869406024&partnerID=MN8TOARS

By: N. Sharma

Source: ORCID
Added: August 12, 2021

2012 journal article

Closed-loop neural network-based NMES control for human limb tracking

IEEE Transactions on Control Systems Technology, 20(3), 712–725.

By: N. Sharma, C. Gregory*, M. Johnson* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2012 conference paper

Gait planning and double support phase model for functional electrical stimulation-based walking

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, 1904–1907.

By: N. Sharma & R. Stein*

Source: ORCID
Added: August 12, 2021

2012 journal article

Gait planning and double support phase model for functional electrical stimulation-based walking.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 2012, 1904–1907. http://www.scopus.com/inward/record.url?eid=2-s2.0-84880821464&partnerID=MN8TOARS

By: N. Sharma & R. Stein

Source: ORCID
Added: August 12, 2021

2012 speech

Lyapunov-based Control and Trajectory Planning for Restoring Human Limb Function

Sharma, N. (2012, February). Presented at the Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA.

By: N. Sharma

Event: at Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA

Source: NC State University Libraries
Added: September 30, 2021

2012 speech

Lyapunov-based Control and Trajectory Planning for Restoring Human Limb Function,

Sharma, N. (2012, March). Presented at the Department of Mechanical Engineering, University of California Riverside, Riverside, CA.

By: N. Sharma

Event: Department of Mechanical Engineering at University of California Riverside, Riverside, CA

Source: NC State University Libraries
Added: September 24, 2021

2012 speech

Nonlinear Control and Optimization Methods for Functional Electrical Stimulation

Sharma, N. (2012, January). Presented at the Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada.

By: N. Sharma

Event: Department of Mechanical Engineering at University of Alberta, Edmonton, AB, Canada

Source: NC State University Libraries
Added: September 23, 2021

2012 speech

Nonlinear Control and Optimization Methods for Functional Electrical Stimulation

Sharma, N. (2012, February). Department of Biomedical Engineering, presented at the Department of Biomedical Engineering, University of California, Davis, Davis, CA.

By: N. Sharma

Event: Department of Biomedical Engineering at University of California, Davis, Davis, CA

Source: NC State University Libraries
Added: September 24, 2021

2012 speech

Nonlinear Control and Optimization Methods for Restoring Walking via Neuroprosthetics

(2012, April). Presented at the Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst, Amherst, MA.

Event: at Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst, Amherst, MA

Source: NC State University Libraries
Added: September 30, 2021

2012 speech

Nonlinear Control and Optimization Methods for Restoring Walking via Neuroprosthetics

Sharma, N. (2012, March). Presented at the Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE.

By: N. Sharma

Event: at Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE

Source: NC State University Libraries
Added: September 30, 2021

2012 conference paper

RISE-based control of an uncertain nonlinear system with time-varying state delays

Proceedings of the IEEE Conference on Decision and Control, 3502–3507.

By: N. Fischer*, R. Kamalapurkar*, N. Sharma & W. Dixon*

Source: ORCID
Added: August 12, 2021

2012 journal article

Rise-based adaptive control of a control affine uncertain nonlinear system with unknown state delays

IEEE Transactions on Automatic Control, 57(1), 255–259.

By: N. Sharma, S. Bhasin*, Q. Wang* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2011 journal article

A novel modulation strategy to increase stimulation duration in neuromuscular electrical stimulation

Muscle and Nerve, 44(3), 382–387.

By: R. Downey*, M. Bellman*, N. Sharma, Q. Wang*, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2011 journal article

Asymptotic tracking by a reinforcement learning-based adaptive critic controller

Journal of Control Theory and Applications, 9(3), 400–409.

By: S. Bhasin*, N. Sharma, P. Patre* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2011 conference paper

Optimal trajectory planning for a constrained functional electrical stimulation-based human walking

2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011, 603–607.

By: N. Sharma & R. Stein*

Event: 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society at Boston, MA on August 30 - September 3, 2011

Sources: ORCID, Crossref
Added: August 12, 2021

2011 journal article

Predictor-based compensation for electromechanical delay during neuromuscular electrical stimulation

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 19(6), 601–611.

By: N. Sharma, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2011 journal article

Predictor-based control for an uncertain EulerLagrange system with input delay

Automatica, 47(11), 2332–2342.

By: N. Sharma, S. Bhasin*, Q. Wang* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2011 conference paper

Saturated control of an uncertain Euler-Lagrange system with input delay

Proceedings of the IEEE Conference on Decision and Control, 7587–7592.

By: N. Fischer*, A. Dani*, N. Sharma & W. Dixon*

Source: ORCID
Added: August 12, 2021

2010 conference paper

Adaptive inverse optimal neuromuscular electrical stimulation

IEEE International Symposium on Intelligent Control - Proceedings, 1287–1292.

By: Q. Wang*, N. Sharma, M. Johnson* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2010 conference paper

Asymptotic optimal control of neuromuscular electrical stimulation

Proceedings of the IEEE Conference on Decision and Control, 839–844.

By: Q. Wang*, N. Sharma, M. Johnson* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2010 conference paper

Compensating Input Delay and Muscle Fatigue during Neuromuscular Electrical Stimulation Control

Sharma, N., & Dixon, W. E. (2010, April 22). Presented at the Symposium on Emerging Topics in Control and Modeling: Biomedical Systems, Urbana, IL. http://biomedsym.beckman.illinois.edu/posters/Sharma2.pdf

By: N. Sharma & W. Dixon

Event: Symposium on Emerging Topics in Control and Modeling: Biomedical Systems at Urbana, IL on April 22-23, 2010

Source: NC State University Libraries
Added: September 23, 2021

2010 conference paper

Lyapunov-based Control Methods for Neuromuscular Electrical Stimulation

Sharma, N. (2010, September). Presented at the Alberta Motor Control Meeting, Kananaskis, AB, Canada.

By: N. Sharma

Event: Alberta Motor Control Meeting at Kananaskis, AB, Canada

Source: NC State University Libraries
Added: September 23, 2021

2010 conference paper

Nonlinear control of NMES: Incorporating fatigue and calcium dynamics

Proceedings of the ASME Dynamic Systems and Control Conference 2009, DSCC2009, (PART A), 705–712.

By: N. Sharma, P. Patre*, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2010 conference paper

Predictor-based control for an uncertain Euler-Lagrange system with input delay

Proceedings of the 2010 American Control Conference, 1422–1427.

By: N. Sharma, S. Bhasin*, Q. Wang* & W. Dixon*

Event: 2010 American Control Conference (ACC 2010) at Baltimore, MD on June 30 - July 2, 2010

Sources: ORCID, Crossref
Added: August 12, 2021

2010 conference paper

RISE-based adaptive control of an uncertain nonlinear system with unknown state delays

Proceedings of the IEEE Conference on Decision and Control, 1773–1778.

By: N. Sharma, S. Bhasin*, Q. Wang* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2010 conference paper

Robust asymptotic tracking of a class of nonlinear systems using an adaptive critic based controller

Proceedings of the 2010 American Control Conference, ACC 2010, 3223–3228. http://www.scopus.com/inward/record.url?eid=2-s2.0-77957804698&partnerID=MN8TOARS

By: S. Bhasin, N. Sharma, P. Patre & W. Dixon

Source: ORCID
Added: August 12, 2021

2009 journal article

Nonlinear neuromuscular electrical stimulation tracking control of a human limb

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 17(6), 576–584.

By: N. Sharma, K. Stegath*, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2008 journal article

Comparing the force- and excursion-frequency relationships in human skeletal muscle

Muscle and Nerve, 38(6), 1627–1629.

By: C. Gregory*, C. Bickel*, N. Sharma & W. Dixon*

Source: ORCID
Added: August 12, 2021

2008 conference paper

Modified neural network-based electrical stimulation for human limb tracking

IEEE International Symposium on Intelligent Control - Proceedings, 1320–1325.

By: N. Sharma, C. Gregory*, M. Johnson* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2008 conference paper

Nonlinear tracking control of a human limb via neuromuscular electrical stimulation

Proceedings of the American Control Conference, 1941–1946.

By: K. Stegath*, N. Sharma, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2007 conference paper

An extremum seeking method for non-isometric neuromuscular electrical stimulation

Conference Proceedings - IEEE International Conference on Systems, Man and Cybernetics, 2528–2532.

By: K. Stegath*, N. Sharma, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

2007 conference paper

Experimental demonstration of rise-based NMES of human quadriceps muscle

2007 IEEE/NIH Life Science Systems and Applications Workshop, LISA, 43–46.

By: K. Stegath*, N. Sharma, C. Gregory* & W. Dixon*

Source: ORCID
Added: August 12, 2021

Employment

2019 - present

North Carolina State University Raleigh, NC, US
Associate Professor Biomedical Engineering

2012 - 2019

University of Pittsburgh Pittsburgh, PA, US
Assistant Professor Mechanical Engineering and Materials Science

2010 - 2012

University of Alberta Faculty of Science Edmonton, AB, CA
Postdoctoral Fellow Physiology

Education

2006 - 2010

University of Florida Gainesville, FL, US
PhD/Mechanical Engineering Mechanical Engineering

2006 - 2008

University of Florida Gainesville, FL, US
M.S. Mechanical Engineering PhD

2000 - 2004

Thapar University Patiala, Punjab, IN
B.E. Industrial Engineering Industrial Engineering

Funding History

Funding history based on the linked ORCID record.

grant May 1, 2015 - April 30, 2018
Coordinating Electrical Stimulation and Motor Assist in a Hybrid Neuroprosthesis Using Control Strategies Inspired by Human Motor Control
National Science Foundation - Directorate for Engineering
grant July 1, 2011 - June 30, 2012
Design of Optimal Walking Trajectories to Restore Safe and Metabolically Efficient Movement in Mobility-impaired Persons
Alberta Innovates - Health Solutions