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Adaptive control of functional electrical stimulation for upper limb stroke rehabilitation

Adaptive control of functional electrical stimulation for upper limb stroke rehabilitation
Adaptive control of functional electrical stimulation for upper limb stroke rehabilitation
In this paper a multiple model adaptive control scheme is designed and evaluated for the electrically stimulated isometric human arm. Experimental data are first used to identify models that represent various stages of muscular fatigue. The control scheme is then implemented on four unimpaired participants supplying zero voluntary effort. Results illustrate the ability of the scheme to track the time-variance of the true plant and provide improved torque tracking compared with a fixed controller. An advantage of the proposed method is the ability to achieve similar levels of performance across multiple participants without the need to perform identification tests.
97-102
Brend, O.
0932d595-1da7-4a16-8e7e-2d065a058866
Freeman, C.T.
ccdd1272-cdc7-43fb-a1bb-b1ef0bdf5815
French, M.
22958f0e-d779-4999-adf6-2711e2d910f8
Brend, O.
0932d595-1da7-4a16-8e7e-2d065a058866
Freeman, C.T.
ccdd1272-cdc7-43fb-a1bb-b1ef0bdf5815
French, M.
22958f0e-d779-4999-adf6-2711e2d910f8

Brend, O., Freeman, C.T. and French, M. (2013) Adaptive control of functional electrical stimulation for upper limb stroke rehabilitation. IEEE International Conference on Control Applications, Hyderabad, India. 28 - 30 Aug 2013. pp. 97-102 .

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper a multiple model adaptive control scheme is designed and evaluated for the electrically stimulated isometric human arm. Experimental data are first used to identify models that represent various stages of muscular fatigue. The control scheme is then implemented on four unimpaired participants supplying zero voluntary effort. Results illustrate the ability of the scheme to track the time-variance of the true plant and provide improved torque tracking compared with a fixed controller. An advantage of the proposed method is the ability to achieve similar levels of performance across multiple participants without the need to perform identification tests.

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More information

Published date: 30 August 2013
Venue - Dates: IEEE International Conference on Control Applications, Hyderabad, India, 2013-08-28 - 2013-08-30
Organisations: EEE, Southampton Wireless Group

Identifiers

Local EPrints ID: 354718
URI: http://eprints.soton.ac.uk/id/eprint/354718
PURE UUID: 0db93f2f-5008-4092-8a19-6825f7b67160

Catalogue record

Date deposited: 19 Jul 2013 14:56
Last modified: 14 Mar 2024 14:23

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Contributors

Author: O. Brend
Author: C.T. Freeman
Author: M. French

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