Kinematic Synthesis of a Spatial 3-RPS Parallel Manipulator

Author:

Sung Kim Han1,Tsai Lung-Wen1

Affiliation:

1. Department of Mechanical Engineering, Bourns College of Engineering, University of California, Riverside, CA 92521

Abstract

This paper presents the design of spatial 3-RPS parallel manipulators from dimensional synthesis point of view. Since a spatial 3-RPS manipulator has only 3 degrees of freedom, its end effector cannot be positioned arbitrarily in space. It is shown that at most six positions and orientations of the moving platform can be prescribed at will and, given six prescribed positions, there are at most ten RPS chains that can be used to construct up to 120 manipulators. Further, solution methods for fewer than six prescribed positions are also described.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference7 articles.

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3. Lee, K. M., and Shah, D. K., 1987, “Kinematic Analysis of a Three Degree Freedom In-Parallel Actuated Manipulator,” Proceedings of the IEEE International Conference on Robotics and Automation, Raleigh, NC, pp. 345–350.

4. Yang, P. H., Waldron, K. J., and Orin, D. E., 1996, “Kinematics of a Three Degree-of-Freedom Motion Platform for a Low-Cost Driving Simulator,” Advances in Robot Kinematics, J. Lenarcic and V. Parenti-Castelli, eds., Kluwer Academic Publishers, pp. 89–98.

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