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Modal Filter Based Structural Control of a Highway Bridge

by S. J. Shelley, Univ of Cincinnati, Cincinnati, United States,
E. A. Aktan, (M.ASCE), Univ of Cincinnati, Cincinnati, United States,
K. L. Lee, Univ of Cincinnati, Cincinnati, United States,



Document Type: Proceeding Paper

Part of: Analysis and Computation

Abstract:

An Adaptive Modal Filter (AMF) algorithm is developed which uncouples complicated multi-mode structural dynamic response into simple single-mode response. The application to active structural vibration control is shown and a successful full scale experimental implementation on highway bridge is presented. Up to 90% reduction in global mode responses were achieved with the active vibration control system.

Subject Headings: Highway bridges | Structural control | Vibration | Filters | Control systems | Adaptive systems | Structural response

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