Advanced Self Powered Systems of Sensors and Technologies Center
Works Published in 2017
Displaying works 21 - 40 of 200 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2017 journal article
Quantifying Gauche Defects and Phase Evolution in Self-Assembled Monolayers through Sessile Drops
ACS Omega, 2(5), 2072–2084.
TL;DR:
This study demonstrates that utilizing the wetting behavior of polar (water) and nonpolar (hexadecane (HD) solvents on n-alkanethiolate SAMs formed on ultraflat gold and silver surfaces, the evolution of chain-length-dependent gauche defects can be revealed and parameterized through a newly defined dimensionless number (χ).
(via Semantic Scholar)
doi.org (publisher)
Source: ORCID
Added: August 3, 2022
2017 journal article
Paper-based microfluidic devices by asymmetric calendaring
Biomicrofluidics, 11(1), 014104.
TL;DR:
It is demonstrated that TACH can be used to reliably produce channels of variable widths (size of the ball) and depths (number of passes), without affecting the nonworking surface of the paper.
(via Semantic Scholar)
Source: ORCID
Added: August 3, 2022
2017 journal article
Rethinking the Design of Low-Cost Point-of-Care Diagnostic Devices
Micromachines, 8(11), 317.
author keywords: low cost; diagnostics; technology adoption; value-added design; health care; rapid diagnostics
TL;DR:
It is argued that a user-driven, value-addition systems-engineering approach is needed for the design of RDTs to enhance adoption and translation into the field and overcome the assumption that poverty reduces the value individuals place on their well-being.
(via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 3, 2022
2017 journal article
Role of Molecular Dipoles in Charge Transport across Large Area Molecular Junctions Delineated Using Isomorphic Self-Assembled Monolayers
The Journal of Physical Chemistry C, 121(43), 23931–23938.
Source: ORCID
Added: August 3, 2022
2017 journal article
Review-wearable biofuel cells: Past, present and future
Journal of the Electrochemical Society, 164(3), H3007–H3014.
Contributors: A. Bandodkar*
TL;DR:
The article expounds several attributes of this newly emerging technology and its potential to address the energy needs of wearable devices and highlights the grand challenges that are presently hindering further development of wearable biofuel cells.
(via Semantic Scholar)
Source: ORCID
Added: April 8, 2022
2017 journal article
Advanced Materials for Printed Wearable Electrochemical Devices: A Review
Advanced Electronic Materials, 3(1).
Contributors: J. Kim *, R. Kumar*, A. Bandodkar* & J. Wang *
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: April 8, 2022
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.
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
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.
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
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.
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 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.
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).
Contributors: N. Sharma* & N. Kirsch*
Ed(s): J. Ueda & Y. Kurita
TL;DR:
It is shown that dynamic optimization can be used to compute stimulation/torque profiles and their corresponding joint angle trajectories which minimize electrical stimulation and walker push or pull forces.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
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.
Contributors: N. Alibeji*, N. Kirsch* & N. Sharma*
author keywords: Functional electrical stimulation; Muscle fatigue; Dynamic surface control; Synergies; Human inspired control; Adaptive control; State estimator; Input delays; Electromechanical delays
TL;DR:
A human motor control inspired control scheme is combined with a dynamic surface control method to overcome certain control challenges in a hybrid neuroprosthesis to restore walking and standing function in persons with paraplegia.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 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).
Contributors: N. Kirsch*, N. Alibeji*, M. Redfern * & N. Sharma*
Ed(s): J. Ibáñez, J. González-Vargas, J. Azorín, M. Akay & J. Pons
TL;DR:
It is proposed that a hybrid system, which uses FES and an actuated orthosis, is capable of achieving greater walking durations than an FES only system and more energetically efficient than a lower-limb exoskeleton.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, 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).
Contributors: N. Alibeji*, N. Kirsch* & N. Sharma*
Ed(s): J. Ibáñez, J. González-Vargas, J. Azorín, M. Akay & J. Pons
TL;DR:
Experimental results of a recently developed low-dimensional controller, which is inspired from the muscle synergy principle, are presented and performed on an able-bodied subject in a configuration where only one leg is actuated in a cycling manner while the contralateral leg was fixed.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, 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.
Contributors: A. Dodson*, N. Alibeji* & N. Sharma*
Event: 2017 8th International IEEE/EMBS Conference on Neural Engineering (NER)
TL;DR:
This neuroprosthesis controller is combined within a finite state machine that also features gait detection, wherein force sensors in the foot can detect gait phases and create a fully automated and functional assisted gait cycle.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 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). Presented at the 2017 IEEE 56th Annual Conference on Decision and Control (CDC).
Event: 2017 IEEE 56th Annual Conference on Decision and Control (CDC)
TL;DR:
A three-layer recurrence neural network (RNN) is developed in this paper, in which backpropagation through time (BPTT) is used as training technique and the internal states are used to represent the unmeasurable states.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 23, 2021
2017 journal article
Nonlinear model predictive control of functional electrical stimulation
Control Engineering Practice, 58, 319–331.
Contributors: N. Kirsch*, N. Alibeji* & N. Sharma*
author keywords: Functional electrical stimulation; Nonlinear model predictive control; Muscle parameter identification; Rehabilitation engineering; Gradient projection algorithm
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 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).
Contributors: N. Sharma* , N. Kirsch*, N. Alibeji* & W. Dixon *
author keywords: integrator backstepping; neural networks; muscle fatigue; Lyapunov stability; neuromuscular electrical stimulation
TL;DR:
The objective of this article is to develop an NMES controller that incorporates the effects of muscle fatigue during NMES-induced non-isometric contraction of the human quadriceps femoris muscle.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, 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.
Contributors: N. Alibeji*, B. Dicianno * & N. Sharma*
TL;DR:
A position-synchronization controller is derived for FES-based telerehabilitation to provide physical assistance that can be controlled remotely and is shown to effectively synchronize the system despite unknown and different delays in the forward and backward channels.
(via Semantic Scholar)
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.
Contributors: N. Alibeji*, N. Kirsch*, B. Dicianno * & N. Sharma*
author keywords: Activation dynamics; delay systems; dynamic surface control; feedback; input delays; Lyapunov methods; nonlinear controls; nonlinear control systems; neuromuscular electrical stimulation
TL;DR:
A dynamic surface control approach was used to design a proportional-integral-derivative (PID)-based NMES controller that compensates for electromechanical delays in the activation dynamics and supports the hypothesis that a control design that includes muscle activation improves the NMES control performance.
(via Semantic Scholar)
Source: ORCID
Added: August 12, 2021
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