Analysis of Dynamic Systems Using Heuristic Optimization

[+] Author and Article Information
N. A. Langrana, T. W. Lee

Mechanical, Industrial, and Aerospace Engineering Department, Rutgers University, New Brunswick, N.J.

J. Dyn. Sys., Meas., Control 102(1), 35-40 (Mar 01, 1980) (6 pages) doi:10.1115/1.3140619 History: Received December 12, 1979; Online July 21, 2009


In certain dynamic problems, the determination of the applied torques at the joints from the measured displacement-time history is of interest, and is known as the inverse dynamic problem. A general purpose algorithm, “Heuristic Combinatorial Optimization Technique”, [1] has been shown to produce fast and improved solutions in the kinematic and the dynamic design of mechanical systems compared to conventional techniques. In the present study, a new approach to the inverse dynamic problem is introduced. An effective algorithm is developed by combining the Heuristic Optimization Technique with the Automated Assembly Program [2]. Two problems are investigated. The first deals with a man-machine interaction system; the second deals with the spatial motion of a manipulator. The investigation demonstrates the potential application of the procedure in the analysis of dynamic systems of realistic complexity.

Copyright © 1980 by ASME
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