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Nonlinear feedback stabilization of a rotating body-beam without damping

Published online by Cambridge University Press:  15 August 2002

Boumediène CHENTOUF  and
Jean-François COUCHOURON
Boumediène CHENTOUF
Affiliation:
INRIA-Lorraine (CONGE project) & UPRES A 7035, ISGMP, bâtiment A, Université de Metz, Ile de Saulcy, 57045 Metz cedex 01, France.
Jean-François COUCHOURON
Affiliation:
INRIA-Lorraine (CONGE project) & UPRES A 7035, ISGMP, bâtiment A, Université de Metz, Ile de Saulcy, 57045 Metz cedex 01, France.
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Abstract

This paper deals with nonlinear feedback stabilization problem of a flexible beam clamped at a rigid body and free at the other end. We assume that there is no damping and the feedback law proposed here consists of a nonlinear control torque applied to the rigid body and either a boundary control moment or a nonlinear boundary control force or both of them applied to the free end of the beam. This nonlinear feedback, which insures the exponential decay of the beam vibrations, extends the linear case studied by Laousy et al. to a more general class of controls.

Keywords

Rotating body-beamnon linear controlexponential stability.
Type
Research Article
Information
ESAIM: Control, Optimisation and Calculus of Variations , Volume 4 , 1999 , pp. 515 - 535
Copyright
© EDP Sciences, SMAI, 1999

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