IMA Journal of Mathematical Control and Information Advance Access originally published online on April 27, 2009
IMA Journal of Mathematical Control and Information 2009 26(2):151-162; doi:10.1093/imamci/dnp002
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Optimal control of vibrations of an elastic beam

Department of Mathematics, Beijing Institute of Technology, Beijing 100081, People's Republic of China and School of Mathematical Science, Capital Normal University, Beijing 100048, People's Republic of China
Email: sunamss{at}gmail.com, sunbing{at}amss.ac.cn
Received on March 13, 2008; Revision received October 6, 2008. Accepted on December 22, 2008
This paper is concerned with the optimal control problem of the vibrations of an elastic beam, which is governed by a non-linear partial differential equation. The functional analytical approach of Dubovitskii and Milyutin is adopted in investigation of the Pontryagin's maximum principle of the system. The necessary condition is presented for the optimal control problem in fixed final horizon case.
Keywords: non-linear elastic beam; optimal control; maximum principle; necessary condition.