RESEARCH PAPERS: Mechanisms and Robotics

A Fuzzy Kinetostatic Analysis of Imprecisely-Defined Mechanisms

[+] Author and Article Information
L. Chen, S. S. Rao, K. Ku

Purdue University, School of Mechanical Engineering, West Lafayette, IN 47907-1288

J. Mech. Des 120(3), 377-380 (Sep 01, 1998) (4 pages) doi:10.1115/1.2829161 History: Received June 01, 1996; Revised May 01, 1998; Online December 11, 2007


Many engineering systems are ill-defined and imprecisely known, due to fuzziness, especially in the conceptual/preliminary design phase. In this work, a fuzzy kinetostatic methodology is proposed for the dynamic analysis of mechanisms involving imprecision. The fuzzy dynamic bearing reactions as well as driving torque are computed using the proposed method. The analysis of a high-speed planar mechanism for path generation is considered to illustrate the computational aspects of the approach. The fuzzy analysis provides the variation of system performance over the entire range of design parameter space compared to the traditional sensitivity analysis approaches which give variations in system performance only at one design point.

Copyright © 1998 by The American Society of Mechanical Engineers
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