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Kinematic coupling complexity of heavy-payload forging manipulator

Published online by Cambridge University Press:  26 August 2011

Xiaobing Chu  and
Feng Gao
Xiaobing Chu
Affiliation:
State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Feng Gao*
Affiliation:
State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
*
*Corresponding author. E-mail: chuxiaobing@gmail.com
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Summary

There exist several kinds of definitions for complexity in different areas. In mechanical engineering area, some formulations capable of measuring the complexity of robotic architectures have been proposed at the conceptual-design stage. This paper presents the definition of Kinematic Coupling Complexity to measure the kinematic coupling degree of a manipulator based on the input/output velocity matrix. In order to distinguish the differences among many matrixes, three factors will be considered including the proportion of nonzero elements in matrix J, the difference of nonzero elements' numbers in every row among many matrixes, and the difference of nonzero elements' positions among many matrixes. To illustrate the methods introduced in this paper, four types of heavy-payload forging manipulators are analyzed and the type of forging manipulator with the smallest Kinematic Coupling Complexity is chosen as our prototype.

Keywords

Kinematic coupling complexityForging manipulatorInput/output velocity relationship
Type
Articles
Information
Robotica , Volume 30 , Issue 4 , July 2012 , pp. 551 - 558
Copyright
Copyright © Cambridge University Press 2011

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