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Ryan J. Downey
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Automatic control of cycling induced by functional electrical stimulation with electric motor assistance
MJ Bellman, RJ Downey, A Parikh, WE Dixon
IEEE Transactions on Automation Science and Engineering 14 (2), 1225-1234, 2016
1082016
Comparing the induced muscle fatigue between asynchronous and synchronous electrical stimulation in able-bodied and spinal cord injured populations
RJ Downey, MJ Bellman, H Kawai, CM Gregory, WE Dixon
IEEE Transactions on Neural Systems and Rehabilitation Engineering 23 (6 …, 2014
842014
Switched control of cadence during stationary cycling induced by functional electrical stimulation
MJ Bellman, TH Cheng, RJ Downey, CJ Hass, WE Dixon
IEEE Transactions on Neural Systems and Rehabilitation Engineering 24 (12 …, 2015
712015
The time-varying nature of electromechanical delay and muscle control effectiveness in response to stimulation-induced fatigue
RJ Downey, M Merad, EJ Gonzalez, WE Dixon
IEEE Transactions on Neural Systems and Rehabilitation Engineering 25 (9 …, 2016
692016
Closed-loop asynchronous neuromuscular electrical stimulation prolongs functional movements in the lower body
RJ Downey, TH Cheng, MJ Bellman, WE Dixon
IEEE Transactions on Neural Systems and Rehabilitation Engineering 23 (6 …, 2015
572015
Stationary cycling induced by switched functional electrical stimulation control
MJ Bellman, TH Cheng, RJ Downey, WE Dixon
2014 American Control Conference, 4802-4809, 2014
522014
Use of imperceptible wrist vibration to modulate sensorimotor cortical activity
NJ Seo, K Lakshminarayanan, AW Lauer, V Ramakrishnan, BD Schmit, ...
Experimental brain research 237, 805-816, 2019
492019
Supporting lemmas for RISE-based control methods
R Kamalapurkar, JA Rosenfeld, J Klotz, RJ Downey, WE Dixon
arXiv preprint arXiv:1306.3432, 2013
492013
Closed-loop position and cadence tracking control for FES-cycling exploiting pedal force direction with antagonistic biarticular muscles
H Kawai, MJ Bellman, RJ Downey, WE Dixon
IEEE Transactions on Control Systems Technology 27 (2), 730-742, 2017
472017
Switched tracking control of the lower limb during asynchronous neuromuscular electrical stimulation: Theory and experiments
RJ Downey, TH Cheng, MJ Bellman, WE Dixon
IEEE transactions on cybernetics 47 (5), 1251-1262, 2016
462016
Isometric torque control for neuromuscular electrical stimulation with time-varying input delay
M Merad, RJ Downey, S Obuz, WE Dixon
IEEE Transactions on Control Systems Technology 24 (3), 971-978, 2015
432015
Exploring the feasibility and use of accelerometers before, during, and after a camp-based CIMT program for children with cerebral palsy
P Coker-Bolt, RJ Downey, J Connolly, R Hoover, D Shelton, NJ Seo
Journal of pediatric rehabilitation medicine 10 (1), 27-36, 2017
422017
A novel modulation strategy to increase stimulation duration in neuromuscular electrical stimulation
RJ Downey, M Bellman, N Sharma, Q Wang, CM Gregory, WE Dixon
Muscle & nerve 44 (3), 382-387, 2011
372011
Motion and muscle artifact removal validation using an electrical head phantom, robotic motion platform, and dual layer mobile EEG
N Richer, RJ Downey, WD Hairston, DP Ferris, AD Nordin
IEEE transactions on neural systems and rehabilitation engineering 28 (8 …, 2020
322020
TheraBracelet stimulation during task-practice therapy to improve upper extremity function after stroke: a pilot randomized controlled study
NJ Seo, ML Woodbury, L Bonilha, V Ramakrishnan, SA Kautz, ...
Physical therapy 99 (3), 319-328, 2019
272019
Tracking control for FES-cycling based on force direction efficiency with antagonistic bi-articular muscles
H Kawai, MJ Bellman, RJ Downey, WE Dixon
2014 American Control Conference, 5484-5489, 2014
262014
Unknown time-varying input delay compensation for neuromuscular electrical stimulation
S Obuz, RJ Downey, JR Klotz, WE Dixon
2015 IEEE Conference on Control Applications (CCA), 365-370, 2015
232015
Cadence control of stationary cycling induced by switched functional electrical stimulation control
MJ Bellman, TH Cheng, RJ Downey, WE Dixon
53rd IEEE Conference on Decision and Control, 6260-6265, 2014
222014
Compensating for uncertain time-varying delayed muscle response in isometric neuromuscular electrical stimulation control
S Obuz, RJ Downey, A Parikh, WE Dixon
2016 American Control Conference (ACC), 4368-4372, 2016
202016
Tracking control of a human limb during asynchronous neuromuscular electrical stimulation
RJ Downey, TH Cheng, WE Dixon
52nd IEEE Conference on Decision and Control, 139-144, 2013
202013
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