Experimental Research on Force/Position Control of a Wire-Driven Parallel Rehabilitative Robot

Abstract:

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During rehabilitative training, a 3-DOF wire-driven parallel robot driven was designed to coordinate and control the trainer pelvis movement. Based on the force balance equation of the end-effector, the stiffness problem about the robot system was analyzed and one kind of force/position parallel control strategy was proposed that the position loop would realize the end-effector motion trajectory, and the force loop would control the wire tension. The experimental results have shown that the robot systematic stiffness is related with the wire tension and can be changed to realize the compliance control of the robot system by adjusting the wire tension.

Info:

Periodical:

Edited by:

Honghua Tan

Pages:

68-73

DOI:

10.4028/www.scientific.net/AMM.138-139.68

Citation:

K. Y. Wang et al., "Experimental Research on Force/Position Control of a Wire-Driven Parallel Rehabilitative Robot", Applied Mechanics and Materials, Vols. 138-139, pp. 68-73, 2012

Online since:

November 2011

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Price:

$35.00

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