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He Huang
University of North Carolina at Chapel Hill
88Publications
21H-index
2,056Citations
Publications 88
Newest
#1Luis Vargas (UNC: University of North Carolina at Chapel Hill)
#2Graham Whitehouse (NCSU: North Carolina State University)
Last.Xiaogang Hu (UNC: University of North Carolina at Chapel Hill)H-Index: 13
view all 5 authors...
Objective: Haptic perception is critical for prosthetic users to control their prosthetic hand intuitively. In this study, we seek to evaluate the haptic perception evoked from concurrent stimulation trains through multiple channels using transcutaneous nerve stimulation. Methods: A 2x8 electrode grid was used to deliver current to the median and ulnar nerves in the upper arm. Different electrodes were first selected to activate the sensory axons, which can elicit sensations at different locatio...
This paper presents an admittance shaping-based assistive control for series elastic actuator (SEA)-driven robotic hip exoskeleton that can assist individuals with hip muscle weakness to restore normative mobility. The motivation for this work is to develop a unified controller framework for design SEA-driven hip exoskeleton to assist walking and enhance gait stability. The controller design aims to modify the dynamic response of a coupled human-exoskeleton system, i.e., the relationship between...
#1Maryam Zahabi (A&M: Texas A&M University)
#2Melissa Mae White (UF: University of Florida)H-Index: 2
Last.David B. Kaber (UF: University of Florida)H-Index: 4
view all 7 authors...
The goal of this study was to investigate the use of cognitive modeling to assess the usability of an upper-limb prosthesis with a focus on mental workload responses. Prior studies have investigated usability of upper-limb prostheses with subjective surveys and physiological measures. However, these approaches have limitations, including subject recall of conditions and physiological response contamination by head and body movements and user speech during task performance as well as sensitivity ...
#1Stephanie Huang (NCSU: North Carolina State University)H-Index: 6
#2Stephanie Huang (NCSU: North Carolina State University)H-Index: 1
Last.He Huang (NCSU: North Carolina State University)H-Index: 21
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Residual ankle muscles (i.e., previously antagonistic ankle muscles) of transtibial amputees are a potential source for continuous feedforward control of powered ankle prostheses using proportional myoelectric control. The ability for transtibial amputees to use their residual ankle muscles for two control input degrees of freedom (i.e., two independent myoelectric control input sources) for direct neural control depends on the ability for amputees to generate varying magnitudes of reciprocal ac...
#1Xiang GaoH-Index: 1
#2Yue WenH-Index: 1
Last.He HuangH-Index: 21
view all 5 authors...
#1Yue Wen (UNC: University of North Carolina at Chapel Hill)H-Index: 1
#2Jennie Si (ASU: Arizona State University)H-Index: 18
Last.He Huang (UNC: University of North Carolina at Chapel Hill)H-Index: 21
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Robotic prostheses deliver greater function than passive prostheses, but we face the challenge of tuning a large number of control parameters in order to personalize the device for individual amputee users. This problem is not easily solved by traditional control designs or the latest robotic technology. Reinforcement learning (RL) is naturally appealing. The recent, unprecedented success of AlphaZero demonstrated RL as a feasible, large-scale problem solver. However, the prosthesis-tuning probl...
#1Linda Resnik (Brown University)H-Index: 23
#2He Huang (UNC: University of North Carolina at Chapel Hill)H-Index: 21
Last.Nancy Wolk (UNC: University of North Carolina at Chapel Hill)H-Index: 1
view all 6 authors...
Background Although electromyogram (EMG) pattern recognition (PR) for multifunctional upper limb prosthesis control has been reported for decades, the clinical benefits have rarely been examined. The study purposes were to: 1) compare self-report and performance outcomes of a transradial amputee immediately after training and one week after training of direct myoelectric control and EMG pattern recognition (PR) for a two-degree-of-freedom (DOF) prosthesis, and 2) examine the change in outcomes o...
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