Active Control of a Circular Membrane to Reduce Transient Noise Transmission

[+] Author and Article Information
J. L. van Niekerk, B. H. Tongue

Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720

J. Vib. Acoust 117(3A), 252-258 (Jul 01, 1995) (7 pages) doi:10.1115/1.2874444 History: Received March 01, 1993; Revised October 01, 1993; Online February 26, 2008


An active control approach that reduces transient noise transmission through a membrane in a circular duct is presented. Discrete sections of piezo-electrical film, PVDF, are used as actuators to adjust the tension of the membrane. Different control strategies, such as optimal, sliding mode and velocity feedback control, are investigated analytically and then implemented experimentally. It is shown that velocity feedback control is the more effective, stable controller for this application.

Copyright © 1995 by The American Society of Mechanical Engineers
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