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

By D.K. Anthony and S.J. Elliott


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

Topics: TA, QC
Year: 2001
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Provided by: e-Prints Soton

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