RESEARCH PAPERS: Noise Control and Acoustics

Modal Control of Acoustic Plants

[+] Author and Article Information
J. L. Dohner, R. Shoureshi

Ray W. Herrick Labs., School of Mechanical Engineering, Purdue University, W. Lafayette, IN 47907

J. Vib., Acoust., Stress, and Reliab 111(3), 326-330 (Jul 01, 1989) (5 pages) doi:10.1115/1.3269860 History: Received January 08, 1988; Online November 23, 2009


This paper produces a three-dimensional closed loop active noise control system using modal control. A state space representation of the acoustic plant was produced and then expanded to include actuator and measurement dynamics. Using this state space model and linear quadratic gaussian control theory, a single input, single output feedback filter was produced by a well-damped system. Experimental results are given. For bandlimited noise excitation, the controller produced satisfactory results.

Copyright © 1989 by ASME
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