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Joint velocity uniformity in redundant robot manipulators

Published online by Cambridge University Press:  09 March 2009

A. Hemami
A. Hemami
Affiliation:
Department of Mechanical Engineering, Concordia University, 1455 de Maisonneuve Boulevard West, Montreal, (Québec) H3G 1M8 (Canada)
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Summary

A redundant robot manipulator has several certain or expected advantages over a nonredundant one. It is expected, among other capabilities, that the joints vary with constant velocities during the execution of those tasks which in a nonredundant manipulator require variable joint velocities. In this way, motion becomes more precise because of the elimination of errors associated with velocity change in joints. In this paper, it is shown that this expected advantage is not possible for all the joints, and that only as many joints as the degree of redundancy can have constant velocities.

Keywords

Joint velocityRedundant manipulatorRedundancy degrees

Information

Type
Article
Information
Robotica , Volume 8 , Issue 1 , January 1990 , pp. 69 - 72
Copyright
Copyright © Cambridge University Press 1990

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