Volume 12, Number 1, January 2006
|Page(s)||12 - 34|
|Published online||15 December 2005|
Boundary feedback stabilization of a three-layer sandwich beam: Riesz basis approach
Department of Mathematics, Beijing Institue of Technology, Beijing, 100081, P.R. China;
2 School of Computational and Applied Mathematics, University of the Witwatersrand, Private 3, Wits 2050, Johannesburg, South Africa.
3 Institute of Systems Science, Academy of Mathematics and System Sciences, Academia Sinica, Beijing 100080, P.R. China; firstname.lastname@example.org
4 Department of Mathematics and Statistics, Sultan Qaboos University, PO Box 36 Al Khodh 123, Muscat, Sultanate of Oman.
Accepted: 3 February 2005
In this paper, we consider the boundary stabilization of a sandwich beam which consists of two outer stiff layers and a compliant middle layer. Using Riesz basis approach, we show that there is a sequence of generalized eigenfunctions, which forms a Riesz basis in the state space. As a consequence, the spectrum-determined growth condition as well as the exponential stability of the closed-loop system are concluded. Finally, the well-posedness and regularity in the sense of Salamon-Weiss class as well as the exact controllability are also addressed.
Mathematics Subject Classification: 93C20 / 93D15 / 35D10 / 47B06
Key words: Riesz basis / sandwich beam / exponential stability / exact controllability.
© EDP Sciences, SMAI, 2006
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