On the Control of Chaos in Extended Structures

[+] Author and Article Information
C. Barratt

Dept. of Mechanical Engineering, University of New Haven, West Haven, Connecticut 06516

J. Vib. Acoust 119(4), 551-556 (Oct 01, 1997) (6 pages) doi:10.1115/1.2889761 History: Received August 01, 1995; Online February 26, 2008


A mechanism is proposed for synchronizing the chaotic vibrations of an externally forced array of oscillators with nearest-neighbor viscoelastic coupling. The proposed mechanism involves the application of small time-dependent perturbations to the individual oscillators. The perturbations required to preserve the coherence are of the order of magnitude of any noise present. The mechanism works with any form of external forcing. A modification of the mechanism is used to control the forced chaotic vibrations of a single Duffing oscillator allowed to vibrate out of the vertical plane.

Copyright © 1997 by The American Society of Mechanical Engineers
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