Kinematic Synthesis of In-Parallel Actuated Mechanisms Based on the Global Isotropy Index

Yukio Takeda; Hiroaki Funabashi

doi:10.20965/jrm.1999.p0404

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JRM Vol.11 No.5 pp. 404-410

doi: 10.20965/jrm.1999.p0404

(1999)

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Kinematic Synthesis of In-Parallel Actuated Mechanisms Based on the Global Isotropy Index

Yukio Takeda and Hiroaki Funabashi

Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152, Japan

Received:

April 16, 1999

Accepted:

June 4, 1999

Published:

October 20, 1999

Keywords:

robotics, mechanism, in-parallel actuated mechanism, kinematics, synthesis

Abstract

To develop a mechanism that minimizes directional variation of pose accuracy, maximum operation speed, and maximum output force over a prescribed working space and minimizes required sensor resolution and maximum actuator power for generating required accuracy, speed, and force, we propose a global isotropy index as an evaluation index in mechanism design. The effectiveness of the global isotropy index was numerically confirmed through error analysis of output displacement and kinematic synthesis of spatial in-parallel actuated mechanisms with 6 degrees of freedom.

Cite this article as:

Y. Takeda and H. Funabashi, “Kinematic Synthesis of In-Parallel Actuated Mechanisms Based on the Global Isotropy Index,” J. Robot. Mechatron., Vol.11 No.5, pp. 404-410, 1999.

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