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Robust control system design for multivariable plants with lightly damped modes

Nelson-Gruel, Dominique and Pommier-Budinger, Valérie and Lanusse, Patrick and Oustaloup, Alain Robust control system design for multivariable plants with lightly damped modes. (2007) In: ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications (MESA07) , 04-07 Sept 2007, Las Vegas, United States .

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Official URL: http://www.asmemesa.org/mesa07/

Abstract

A robust controller design is proposed for the active suspension system bench-mark problem. The CRONE control system design used is extended to unstable multivariable plants with lightly damped modes and RHP zeros. Decoupling and stabilizing controller K, is achieved for the open-loop transfer matrix. Fractional order transfer functions are used to define all the components of the diagonal open-loop transfer matrix, β. In defining the fractional open-loop transfer function β0i some elements of the plants, G0 and its inverse must be considered to achieve the stable controller. Optimisation provides the best fractional open-loop βopt. Finally, frequency domain system identification is used to find controller K=G0-1βopt.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:Other partners > Ecole Nationale Supérieure d’Electronique, Informatique et Radiocommunications de Bordeaux - ENSEIRB (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > Ecole Nationale Supérieure de Chimie de Paris - ENSCP (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS
Other partners > Université de Bordeaux 1 (FRANCE)
Laboratory name:
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Deposited By: valerie budinger

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