An Improved Acoustic Model for Active Noise Control in a Duct

An Improved Acoustic Model for Active Noise Control in a Duct

This paper presents a model of sound propagation in a duct, for the purpose of active noise control. A physical model generally different from those explored in much of the literature is derived, with non-constant acoustic load impedance at the one end, and a coupled disturbance loudspeaker model at...

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Veröffentlicht in:Journal of dynamic systems, measurement, and control measurement, and control, 2003-09, Vol.125 (3), p.382-395
Hauptverfasser: Zimmer, Benjamin J, Lipshitz, Stanley P, Morris, Kirsten A, Vanderkooy, John, Obasi, Edmund E
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Computer science
control theory
systems
Control theory. Systems
Exact sciences and technology
Miscellaneous
Modelling and identification
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Beschreibung
Zusammenfassung:This paper presents a model of sound propagation in a duct, for the purpose of active noise control. A physical model generally different from those explored in much of the literature is derived, with non-constant acoustic load impedance at the one end, and a coupled disturbance loudspeaker model at the other end. Experimental results are presented which validate the derived transfer function.
ISSN:0022-0434
1528-9028
DOI:10.1115/1.1592192