Feedforward and feedback control of sound and vibration - A Wiener filter approach


Brennan, M.J. and Kim, S.-M. (2001) Feedforward and feedback control of sound and vibration - A Wiener filter approach. Journal of Sound and Vibration, 246, (2), 281-296. (doi:10.1006/jsvi.2001.3635).

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Original Publication URL: http://dx.doi.org/10.1006/jsvi.2001.3635

Description/Abstract

This paper considers the active control of stationary random disturbances in single-input–single-output vibrating and acoustical systems. Both feedforward and feedback control are studied using a deterministic approach, where white noise is replaced by an impulse so that the active control of a stationary random disturbance is transformed to the active control of an impulse response. A theoretical framework using the Wiener filter to study both systems is described where internal model control is used to convert a feedback system into feedforward architecture. The effects of the constraint of causality on the performances of feedforward and feedback control of random disturbances are discussed using two simple examples; a minimum phase single-degree-of-freedom vibrating system and a non-minimum phase acoustical system.

Item Type: Article
Related URLs:
Subjects: Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Dynamics
ePrint ID: 9966
Date Deposited: 17 Nov 2004
Last Modified: 27 Mar 2014 18:02
URI: http://eprints.soton.ac.uk/id/eprint/9966

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