Data-based and opportunistic integral concurrent learning for adaptive trajectory tracking during switched FES-induced biceps curls

BC Allen, KJ Stubbs, WE Dixon - IEEE Transactions on Neural …, 2022 - ieeexplore.ieee.org
Hybrid exoskeletons, which combine functional electrical stimulation (FES) with a motorized
testbed, can potentially improve the rehabilitation of people with movement disorders …

Torque and cadence tracking in functional electrical stimulation induced cycling using passivity-based spatial repetitive learning control

VH Duenas, CA Cousin, V Ghanbari, EJ Fox, WE Dixon - Automatica, 2020 - Elsevier
Due to the inherent periodic nature of cycling tasks, iterative and repetitive learning
controllers are well motivated for rehabilitative cycling. Motorized functional electrical …

A survey on modeling mechanism and control strategy of rehabilitation robots: Recent trends, current challenges, and future developments

Y Zhu, X Tong, R Yang, Y Li, M Du, CY Su - International Journal of …, 2022 - Springer
Due to an increasingly serious aging society and a large number of disabled civilians, the
number of residents who need rehabilitation therapy is increasing rapidly in the past few …

Distributed repetitive learning control for cooperative cadence tracking in functional electrical stimulation cycling

VH Duenas, CA Cousin, C Rouse… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Closed-loop control of functional electrical stimulation coupled with motorized assistance to
induce cycling is a rehabilitative strategy that can improve the mobility of people with …

Adaptive trajectory tracking during motorized and FES-induced biceps curls via integral concurrent learning

BC Allen, KJ Stubbs, WE Dixon - Dynamic Systems …, 2020 - asmedigitalcollection.asme.org
A common rehabilitative technique for those with neuro-muscular disorders is functional
electrical stimulation (FES) induced exercise such as FES-induced biceps curls. FES has …

Model free nonlinear control with finite-time estimation applied to closed-loop electrical stimulation induced cycling

CH Chang, VH Duenas, A Sanyal - 2020 American Control …, 2020 - ieeexplore.ieee.org
Model free or data-driven control methods are suitable for real-time applications that involve
nonlinear systems with uncertainties. Human-machine interaction problems include …

Saturated adaptive control of antagonistic muscles on an upper-limb hybrid exoskeleton

JB Aldrich, CA Cousin - 2022 American Control Conference …, 2022 - ieeexplore.ieee.org
Functional electrical stimulation (FES) is a viable rehabilitation method for individuals
affected by neurological injuries. When FES is combined with a powered exoskeleton, a …

Sliding mode control of continuous-time switched systems with signal quantization and actuator nonlinearity

Y Cheng, T Liu, R Weng, B Cai, C Wang - Science Progress, 2020 - journals.sagepub.com
This article investigates sliding mode control for a class of continuous-time switched systems
with signal quantization, actuator nonlinearity and persistent dwell-time switching that can …

Switched control of motor assistance and functional electrical stimulation for biceps curls

C Rouse, B Allen, W Dixon - Applied Sciences, 2020 - mdpi.com
Rehabilitation robotics is an emerging tool for motor recovery from various neurological
impairments. However, balancing the human and robot contribution is an open problem …

Switched motorized assistance during switched functional electrical stimulation of the biceps brachii to compensate for fatigue

CA Rouse, CA Cousin, VH Duenas… - 2017 IEEE 56th …, 2017 - ieeexplore.ieee.org
Rehabilitation treatments for neurological conditions that result in movement disorders often
include functional electrical stimulation (FES) to restore limb function and increase muscle …