Systems and methods for approximating musculoskeletal dynamics

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United States of America Patent

PATENT NO 11744720
APP PUB NO 20200265943A1
SERIAL NO

16643163

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Abstract

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An approximation method and system are provided for more quickly controlling a prosthetic or other device by reducing computational processing time in a muscle model that can be used to control the prosthetic. For a given muscle, the approximation method can quickly compute polynomial structures for a muscle length and for each associated moment arms, which may be used to generate a torque for a joint position of a physics model. The physics model, in turn, produces a next joint position and velocity data for driving a prosthetic. The approximation method expands the polynomial structures as long as expansion is possible and sufficiently beneficial. The computations can be performed quickly by expanding the polynomial structures in a way that constrains the muscle length polynomial to the moment arm polynomial structures, and vice versa.

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Patent Owner(s)

Patent OwnerAddress
WEST VIRGINIA UNIVERSITY886 CHESTNUT RIDGE ROAD P O BOX 6224 CHESTNUT RIDGE RESEARCH BUILDING MORGANTOWN WV 26506-6216

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boots, Matthew Morgantown, US 8 23
Gritsenko, Valeriya Morgantown, US 5 3
Hardesty, Russell Eighty Four, US 2 2
Sobinov, Anton Morgantown, US 5 3
Yakovenko, Sergiy Morgantown, US 9 23

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