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Active control of a structure with sloshing phenomena

Pommier-Budinger, Valérie and Richelot, Julien and Bordeneuve-Guibé, Joël Active control of a structure with sloshing phenomena. (2006) In: IFAC Conference on Mechatronic Systems, 12-14 Sept 2006 , Heidelberg, Germany .

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Official URL: http://www.ifac-papersonline.net/Detailed/25288.html

Abstract

In this article, a Generalized Predictive Control (GPC) is used to perform the active damping of a structure with sloshing phenomena. The studied flexible structure has been designed to have the same dynamic behavior than an aircraft wing (the first bending mode has a frequency of 1.59 Hz). It is composed by a free-clamped beam and a tank and is equipped with piezoelectric actuators. The purposes here are on the one hand to perform the damping of the structure i.e. to perform as efficiently as possible the vibratory disturbances rejection and on the other hand to evaluate the performances of the GPC control law, in the domain of flexible structures. The first part of the article deals with the sizing and the modeling of the active structure using the Lagrangian approach and a FEM software. The second part concerns the control law. The used control law – i.e. GPC – has been chosen because of its good control performances, its compactness and its robustness in front of model mismatches. These advantages are particularly interesting in this study, because the control must be performed for several levels of filling of the tank, in a MIMO, multi-modes context. Experiments have been performed (for the control of the first bending mode and the control of the first bending and twisting modes). In each case, GPC is efficient. Moreover, the use of GPC leads to a unique global behavior for the controlled structure, whatever the tank’s filling configuration may be.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Available online at IFAC papers online
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Laboratory name:
Département de Mathématiques, Informatique, Automatique - DMIA (Toulouse, France) - Automatique, Dynamique et Interface des Systèmes - ADIS
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Deposited By:valerie budinger

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