RESEARCH PAPERS: Mechanisms Papers

A Relaxation and Gradient Combination Applied to the Computer Simulation of a Plane Four-Bar Chain

[+] Author and Article Information
A. J. Nechi

Department of Engineering Graphics, Georgia Institute of Technology, Atlanta, Ga.

J. Eng. Ind 93(1), 113-119 (Feb 01, 1971) (7 pages) doi:10.1115/1.3427856 History: Received July 13, 1970; Online July 15, 2010


This optimization process uses only output data received from an analog simulation of the four-bar mechanism. The complexity of the analytical expression for the coupler curve is illustrated and explains the necessity of such a complex method to the curve synthesis. The minimization of the matching error between the desired and the obtained coupler curve is achieved by a combined relaxation and gradient method, and could also be used for other problems which require optimum solutions. An attempt is made to compare the random method with the presented procedure.

Copyright © 1971 by ASME
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