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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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.
|Subjects:||Q Science > QC Physics|
|Divisions:||University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Dynamics
|Date Deposited:||17 Nov 2004|
|Last Modified:||06 Aug 2015 02:13|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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