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On reducing vibration transmission in a two-dimensional cantilever truss structure using geometric optimization and active vibration control techniques

On reducing vibration transmission in a two-dimensional cantilever truss structure using geometric optimization and active vibration control techniques
On reducing vibration transmission in a two-dimensional cantilever truss structure using geometric optimization and active vibration control techniques
Four optimization strategies were used to improve the average vibration isolation between the base and the end of a 10-m long two-dimensional (2D) cantilever truss structure. These were combinations of optimizing the structure geometry and the application of active vibration control (AVC) with optimal actuator positions. A power distribution analysis to investigate the mechanisms by which each strategy achieves reductions in the vibration transmission is reported. The trade-off is also explored between the freedom allowed in the size of the geometric changes and the number of actuators used in an AVC system to achieve a given level of vibration attenuation.
vibration isolation, optimisation
0001-4966
1191-1194
Anthony, D.K.
68b00ebe-cbfb-498b-aa24-c287bab1f875
Elliott, S.J.
721dc55c-8c3e-4895-b9c4-82f62abd3567
Anthony, D.K.
68b00ebe-cbfb-498b-aa24-c287bab1f875
Elliott, S.J.
721dc55c-8c3e-4895-b9c4-82f62abd3567

Anthony, D.K. and Elliott, S.J. (2001) On reducing vibration transmission in a two-dimensional cantilever truss structure using geometric optimization and active vibration control techniques. Journal of the Acoustical Society of America, 110 (2), 1191-1194. (doi:10.1121/1.1381022).

Record type: Article

Abstract

Four optimization strategies were used to improve the average vibration isolation between the base and the end of a 10-m long two-dimensional (2D) cantilever truss structure. These were combinations of optimizing the structure geometry and the application of active vibration control (AVC) with optimal actuator positions. A power distribution analysis to investigate the mechanisms by which each strategy achieves reductions in the vibration transmission is reported. The trade-off is also explored between the freedom allowed in the size of the geometric changes and the number of actuators used in an AVC system to achieve a given level of vibration attenuation.

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Published date: 2001
Keywords: vibration isolation, optimisation

Identifiers

Local EPrints ID: 10837
URI: http://eprints.soton.ac.uk/id/eprint/10837
ISSN: 0001-4966
PURE UUID: 1bccfe5d-39b5-4450-9c39-359bc30d14e4

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Date deposited: 04 Aug 2005
Last modified: 08 Jan 2022 03:43

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Contributors

Author: D.K. Anthony
Author: S.J. Elliott

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