TY - GEN
T1 - A real-time closed-loop control system for modulating gait characteristics via electrical stimulation of peripheral nerves
AU - Park, Hangue
AU - Oh, Kyunggeune
AU - Prilutsky, Boris I.
AU - Deweerth, Stephen P.
N1 - Publisher Copyright:
© 2016 IEEE.
PY - 2016
Y1 - 2016
N2 - We have developed a real-time closed-loop control system for modulating gait characteristics via electrical stimulation of peripheral nerves in the cat. The system monitors gait metrics and applies appropriate electrical stimulus to peripheral sensory nerves to change the gait metrics in the desired direction. Stimulation parameters are determined by the stimulation controller in real-time based on the measured gait metric, the target gait metric, and the relationship between the stimulus parameters and gait metric found in experiments in the walking cat. As a proof of concept, we controlled the spatial step symmetry as a gait metric by modulating stimulation amplitude during cat walking on a split-belt treadmill. The results demonstrated that the developed system could reliably maintain the spatial step symmetry of the cat in the vicinity of a set target value in real-time.
AB - We have developed a real-time closed-loop control system for modulating gait characteristics via electrical stimulation of peripheral nerves in the cat. The system monitors gait metrics and applies appropriate electrical stimulus to peripheral sensory nerves to change the gait metrics in the desired direction. Stimulation parameters are determined by the stimulation controller in real-time based on the measured gait metric, the target gait metric, and the relationship between the stimulus parameters and gait metric found in experiments in the walking cat. As a proof of concept, we controlled the spatial step symmetry as a gait metric by modulating stimulation amplitude during cat walking on a split-belt treadmill. The results demonstrated that the developed system could reliably maintain the spatial step symmetry of the cat in the vicinity of a set target value in real-time.
KW - electrical nerve stimulation
KW - gait control
KW - real-time closed-loop
KW - sensory feedback
KW - split-belt treadmill
KW - step symmetry
UR - https://www.scopus.com/pages/publications/85014146727
U2 - 10.1109/BioCAS.2016.7833733
DO - 10.1109/BioCAS.2016.7833733
M3 - Conference contribution
AN - SCOPUS:85014146727
T3 - Proceedings - 2016 IEEE Biomedical Circuits and Systems Conference, BioCAS 2016
SP - 95
EP - 98
BT - Proceedings - 2016 IEEE Biomedical Circuits and Systems Conference, BioCAS 2016
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 12th IEEE Biomedical Circuits and Systems Conference, BioCAS 2016
Y2 - 17 October 2016 through 19 October 2016
ER -