Excell, T., Freeman, C., Meadmore, K., Hallewell, E., Hughes, A-M. and Burridge, J., 2013. Optimisation of hand posture stimulation using an electrode array and iterative learning control. Journal of Automatic Control, 21, 1 - 4 .
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Nonlinear optimisation-based search algorithms have been developed for the precise stimulation of muscles in the wrist and hand, to enable stroke patients to attain predefined gestures. These have been integrated in a system comprising a 40 element surface electrode array that is placed on the forearm, an electrogoniometer and data glove supplying position data from 16 joint angles, and custom signal generation and switching hardware to route the electrical stimulation to individual array elements. The technology will be integrated in a upper limb rehabilitation system currently undergoing clinical trials to increase their ability to perform functional tasks requiring fine hand and finger movement. Initial performance results from unimpaired subjects show the successful reproduction of six reference hand postures using the system.
|Uncontrolled Keywords:||Automated optimisation ; functional electrical stimulation ; hand movement ; surface electrode array|
|Group:||Faculty of Health & Social Sciences|
|Deposited By:||Unnamed user with email symplectic@symplectic|
|Deposited On:||07 Jul 2014 09:18|
|Last Modified:||07 Jul 2014 09:18|
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