Topological Synthesis of Compliant Mechanisms Using Multi-Criteria Optimization

[+] Author and Article Information
M. I. Frecker, G. K. Ananthasuresh, S. Nishiwaki, N. Kikuchi, S. Kota

Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, Michigan 48109-2125

J. Mech. Des 119(2), 238-245 (Jun 01, 1997) (8 pages) doi:10.1115/1.2826242 History: Received October 01, 1996; Revised December 01, 1996; Online December 11, 2007


Compliant mechanisms are mechanical devices that achieve motion via elastic deformation. A new method for topological synthesis of single-piece compliant mechanisms is presented, using a “design for required deflection” approach. A simple beam example is used to illustrate this concept and to provide the motivation for a new multi-criteria approach for compliant mechanism design. This new approach handles motion and loading requirements simultaneously for a given set of input force and output deflection specifications. Both a truss ground structure and a two-dimensional continuum are used in the implementation which is illustrated with design examples.

Copyright © 1997 by The American Society of Mechanical Engineers
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