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Electrical stimulation for trunk control in paraplegia:A feasibility study

Vanoncini, M., Holderbaum, W. and Andrews, B. J. (2012) Electrical stimulation for trunk control in paraplegia:A feasibility study. Control Engineering Practice, 20 (12). pp. 1247-1258. ISSN 0967-0661

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To link to this item DOI: 10.1016/j.conengprac.2012.06.007


Paraplegic subjects lack trunk stability due to the loss of voluntary muscle control.This leads to a restriction of the volume of bi-manual workspace available,and hence has a detrimental impact on activities of daily living. Electrical Stimulation of paralysed muscles can be used to stabilize the trunk, but has never been applied in closed loop for this purpose. This paper describes the development of two closed loop controllers(PID and LQR),and their experimental evaluation on a human subject. Advantages and disadvantages of the two are discussed,considering a potential use of this technology during daily activities.

Item Type:Article
Divisions:Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:31711
Uncontrolled Keywords:biomedical systems; electrical stimulation; closed-loop control; PID controllers; quadratic optimal regulators; instability

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