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A Delayed Feedback Controller for Active Vibration Control : A Rightmost-Characteristic Root Assignment based Approach

Abstract : In this work, we address the problem of reducing the vibrations in the case of a thin flexible beam, with an Euler-Bernoulli configuration thanks to a new type of feedback controller based on a delayed proportional action. The flexible structure is equipped with two piezoelectric patches: one of them works as a sensor and the other as an actuator. Each one of them is bonded on one side of the beam and both are collocated. The model of this system is obtained from a finite element analysis, leading to a linear state space model. The purpose of this work is to investigate the properties of the proposed output feedback controller in terms of vibration damping and of robustness. This controller is based on a rightmost-characteristic root assignment approach. Simulation results show the effectiveness of this method of controller design.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01658209
Contributor : Islam Boussaada <>
Submitted on : Thursday, December 7, 2017 - 2:16:15 PM
Last modification on : Wednesday, September 16, 2020 - 5:26:31 PM

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Islam Boussaada, Sami Tliba, Silviu-Iulian Niculescu. A Delayed Feedback Controller for Active Vibration Control : A Rightmost-Characteristic Root Assignment based Approach. 21st International Conference on System Theory, Control and Computing (ICSTCC 2017), Oct 2017, Sinaia, Romania. ⟨10.1109/icstcc.2017.8107073⟩. ⟨hal-01658209⟩

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