Distributed control of a simply supported beam

Frampton, Kenneth D. and Tao, Tao (2006) Distributed control of a simply supported beam. Proceedings of the Sixth International Symposium on Active Noise and Vibration Control, ACTIVE 2006, Adelaide, Australia. 18 - 19 Sep 2006. 13 pp .

Abstract

In this paper the application of distributed vibration control for a flexible structure is studied both analytically and experimentally. The purpose is to investigate the effectiveness of distributed vibration control strategies and compare them with centralized and decentralized methods. A simply supported beam is chosen as the illustrative flexible structure. Distributed control architectures are designed based on a system identification model and are used to minimize vibration due to broadband disturbances. Experimental results are presented for the control of vibrational modes below 600 Hz. It is demonstrated that the distributed control architecture presented here approaches the performance of a traditional centralized controller employing the same control effort. In addition, in comparison to centralized control, the distributed controller has the advantages of scalability for application in large systems and that it will continue to perform (although probably with diminished capability ) even if some processors fail.

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