The implications of causality of active control
The implications of causality of active control
It is shown that the ideal controller in an active system for suppressing noise travelling along a duct must be causal, to a first approximation. However, if it is desired to control the travelling wave components in both directions from a source in a duct, i.e., to minimize its output power, then the optimal controller requires a non causal component.
583-588
Elliott, S. J.
721dc55c-8c3e-4895-b9c4-82f62abd3567
Nelson, P. A.
5c6f5cc9-ea52-4fe2-9edf-05d696b0c1a9
23 July 1986
Elliott, S. J.
721dc55c-8c3e-4895-b9c4-82f62abd3567
Nelson, P. A.
5c6f5cc9-ea52-4fe2-9edf-05d696b0c1a9
Elliott, S. J. and Nelson, P. A.
(1986)
The implications of causality of active control.
In,
Lotz, R
(ed.)
Inter-Noise 86: Proceedings of the 1986 international conference on progress in noise control.
(INTER-NOISE 86, I)
Cambridge, USA.
Noise Control Foundation, .
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Abstract
It is shown that the ideal controller in an active system for suppressing noise travelling along a duct must be causal, to a first approximation. However, if it is desired to control the travelling wave components in both directions from a source in a duct, i.e., to minimize its output power, then the optimal controller requires a non causal component.
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Published date: 23 July 1986
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Local EPrints ID: 468664
URI: http://eprints.soton.ac.uk/id/eprint/468664
ISSN: 0105-175X
PURE UUID: 7c990b10-6946-47b5-8dff-fd93e358aa2c
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Date deposited: 19 Aug 2022 17:14
Last modified: 10 Apr 2024 01:31
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Editor:
R Lotz
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