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Stabilization of the rotating disk-beam system with a delay term in boundary feedback

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Abstract

In this article, the stabilization problem of a rotating disk-beam system is addressed. It is assumed that the flexible beam is free at one end, whereas the other end is attached to the center of the rotating disk whose angular velocity is time-varying. The proposed feedback law consists of a torque control which acts on the disk, whereas a delayed boundary force control is exerted at the free end of the beam. Thereafter, it is proved that the presence of such controls in the system guarantees the exponential stability of the system under a realistic smallness condition on the angular velocity of the disk as well as the feedback gain in the delay term. This result is illustrated by numerical examples.

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Acknowledgments

This work was supported by Sultan Qaboos university. The author is grateful to the referees for their valuable comments and useful suggestions.

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Authors and Affiliations

  1. Department of Mathematics and Statistics, Sultan Qaboos University, P.O. Box 36, Al-Khod 123, Muscat, Sultanate of Oman

    Boumediene Chentouf

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  1. Boumediene Chentouf
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Correspondence to Boumediene Chentouf.

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Chentouf, B. Stabilization of the rotating disk-beam system with a delay term in boundary feedback. Nonlinear Dyn 78, 2249–2259 (2014). https://doi.org/10.1007/s11071-014-1592-x

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