Real-time simulation of hand motion for prosthesis control

Dimitra Blana; Edward K. Chadwick; Antonie J. van den Bogert; Wendy M. Murray

doi:10.1080/10255842.2016.1255943

Real-time simulation of hand motion for prosthesis control

Dimitra Blana^*, Edward K. Chadwick, Antonie J. van den Bogert, Wendy M. Murray

^*Corresponding author for this work

Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Individuals with hand amputation suffer substantial loss of independence. Performance of sophisticated prostheses is limited by the ability to control them. To achieve natural and simultaneous control of all wrist and hand motions, we propose to use real-time biomechanical simulation to map between residual EMG and motions of the intact hand. Here we describe a musculoskeletal model of the hand using only extrinsic muscles to determine whether real-time performance is possible. Simulation is 1.3 times faster than real time, but the model is locally unstable. Methods are discussed to increase stability and make this approach suitable for prosthesis control.

Original language	English (US)
Pages (from-to)	540-549
Number of pages	10
Journal	Computer Methods in Biomechanics and Biomedical Engineering
Volume	20
Issue number	5
DOIs	https://doi.org/10.1080/10255842.2016.1255943
State	Published - Apr 4 2017

Keywords

Musculoskeletal modelling
forward dynamics
hand
prosthetics

ASJC Scopus subject areas

Bioengineering
Biomedical Engineering
Human-Computer Interaction
Computer Science Applications

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10.1080/10255842.2016.1255943

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title = "Real-time simulation of hand motion for prosthesis control",

abstract = "Individuals with hand amputation suffer substantial loss of independence. Performance of sophisticated prostheses is limited by the ability to control them. To achieve natural and simultaneous control of all wrist and hand motions, we propose to use real-time biomechanical simulation to map between residual EMG and motions of the intact hand. Here we describe a musculoskeletal model of the hand using only extrinsic muscles to determine whether real-time performance is possible. Simulation is 1.3 times faster than real time, but the model is locally unstable. Methods are discussed to increase stability and make this approach suitable for prosthesis control.",

keywords = "Musculoskeletal modelling, forward dynamics, hand, prosthetics",

author = "Dimitra Blana and Chadwick, {Edward K.} and {van den Bogert}, {Antonie J.} and Murray, {Wendy M.}",

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AU - Chadwick, Edward K.

AU - van den Bogert, Antonie J.

AU - Murray, Wendy M.

N1 - Funding Information: This work was supported by the National Institutes of Health [grant number R01-EB011615]. Publisher Copyright: ©, This work was authored as part of the Contributor’s official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.

PY - 2017/4/4

Y1 - 2017/4/4

N2 - Individuals with hand amputation suffer substantial loss of independence. Performance of sophisticated prostheses is limited by the ability to control them. To achieve natural and simultaneous control of all wrist and hand motions, we propose to use real-time biomechanical simulation to map between residual EMG and motions of the intact hand. Here we describe a musculoskeletal model of the hand using only extrinsic muscles to determine whether real-time performance is possible. Simulation is 1.3 times faster than real time, but the model is locally unstable. Methods are discussed to increase stability and make this approach suitable for prosthesis control.

AB - Individuals with hand amputation suffer substantial loss of independence. Performance of sophisticated prostheses is limited by the ability to control them. To achieve natural and simultaneous control of all wrist and hand motions, we propose to use real-time biomechanical simulation to map between residual EMG and motions of the intact hand. Here we describe a musculoskeletal model of the hand using only extrinsic muscles to determine whether real-time performance is possible. Simulation is 1.3 times faster than real time, but the model is locally unstable. Methods are discussed to increase stability and make this approach suitable for prosthesis control.

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KW - prosthetics

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Real-time simulation of hand motion for prosthesis control

Abstract

Keywords

ASJC Scopus subject areas

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