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RESEARCH PAPERS: Design Automation Papers

An Adaptive Constraint Violation Stabilization Method for Dynamic Analysis of Mechanical Systems

[+] Author and Article Information
C. O. Chang

Institute of Applied Mechanics, National Taiwan University

P. E. Nikravesh

Aerospace and Mechanical Engineering Department, University of Arizona, Tucson, AZ 85721

J. Mech., Trans., and Automation 107(4), 488-492 (Dec 01, 1985) (5 pages) doi:10.1115/1.3260750 History: Received June 12, 1985; Online November 19, 2009

Abstract

The transient dynamic analysis of equations of motion for constrained mechanical systems requires the solution of a mixed set of algebraic and differential equations. A constraint violation stabilization method, based on feedback control theory of linear systems, has been suggested by some researchers for solving these equations. However, since the value of damping parameters for this method are uncertain, the method is to some extent unattractive for general-purpose use. This paper presents an adaptive mechanism for determining the damping parameters. The results of the simulation for two examples illustrate the improvement in reducing the constraint violations when using this method.

Copyright © 1985 by ASME
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