Active vibration control of axisymmetric membrane through partial pole placement. Issue 18 (2021)

• Record Type: Journal Article
• Authors: Falcón-Prado, Ricardo; Tliba, Sami; Boussaada, Islam; Niculescu, Silviu-Iulian
• Is Part Of: IFAC-PapersOnLine. Volume 54:Issue 18(2021)
• Page Start: 58
• Page End: 63
• Publication Date: 2021
• Subjects: Time-delay -- infinite dimension system -- quasipolynomial -- partial pole placement -- spectral abscissa -- active vibration damping; Automatic control -- Periodicals; 629.805
• DOI: 10.1016/j.ifacol.2021.11.116
• Languages: English
• ISSNs: 2405-8963

Abstract

Abstract: This paper deals with the problem of active vibration control for a flexible axisymmetric membrane. This mechanical system is equipped with two piezoelectric circular chips where one of them works as an actuator, whereas the other is used as a sensor. Both are glued on the membrane, one on each side, and centered according to its axis of symmetry. The model of this system is obtained from a finite element modelling, leading to a linear state-space model. The design of the proposed controller is based on delayed proportional actions. We exploit a property called Coexisting Real Roots inducing Dominancy to an assignment of spectral values in an appropriate sector corresponding to a desired damping. The aim of this work is to examine the performances of the proposed output feedback controller in terms of vibration damping of the main observable and controllable vibrating modes.