Design and Analysis of Power Assist Elbow for EVA Spacesuit

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Abstract:

Based on pneumatic artificial muscle actuator (PMA) technology, a power assist device for the elbow joint actuated by a pair of antagonist muscles was designed. Dynamic models of the power assist device were established, driving characteristics of the device were simulated. The results show that the PMA complies with the requirements of the device, and the device can compensate the resistance caused by the spacesuit and the inertia forces by motion. Hence the device will be a great help for astronauts EVA operation. The research is used as a foundation for future development of power assist spacesuit.

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395-400

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July 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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