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RESEARCH PAPERS: Vibration and Sound

Quenching of Self-Excited Vibrations

[+] Author and Article Information
K. R. Asfar

Mechanical Engineering Department, Jordan University of Science and Technology, Irbid, Jordan

J. Vib., Acoust., Stress, and Reliab 111(2), 130-133 (Apr 01, 1989) (4 pages) doi:10.1115/1.3269832 History: Received June 01, 1987; Online November 23, 2009

Abstract

A passive vibration control system for the quenching of undesirable self-excited vibrations in mechanical systems is presented. The system is a Lanchester damper, attached to the main self-excited system; a van der Pol oscillator. A first-order perturbation solution shows that complete quenching of self-excited vibration is possible. The result is verified by numerical integration of the governing differential equations. Furthermore, the damper is shown to be effective in suppressing forced self-excited vibrations.

Copyright © 1989 by ASME
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