Autonomous Vibration Suppression Using On-Line Pole-Zero Identification

[+] Author and Article Information
Mark McEver, Donald J. Leo

Center for Intelligent Material Systems and Structures, Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

J. Vib. Acoust 123(4), 487-495 (Feb 01, 2001) (9 pages) doi:10.1115/1.1385836 History: Received January 01, 2000; Revised February 01, 2001
Copyright © 2001 by ASME
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Block diagram of controlled structure using Positive Position Feedback
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Optimal location of closed-loop poles
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(a) Closed-loop damping ratio difference between undamped and damped mode versus modal damping; (b) first mode closed-loop damping ratio difference between the single mode case and the two mode case
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Effect of phase delays on the closed-loop damping for two values of gain margin
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Signal conditioning procedure for the pole/zero identification algorithm
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Schematic of the autonomous control experiment
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(a) Collocated frequency response (b) output of the on-line identification algorithm for the first test case



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