Robust dynamic output feedback fuzzy Lyapunov stabilization of Takagi-Sugeno systems - A descriptor redundancy approach - Archive ouverte HAL
Article Dans Une Revue Fuzzy Sets and Systems Année : 2009

Robust dynamic output feedback fuzzy Lyapunov stabilization of Takagi-Sugeno systems - A descriptor redundancy approach

Résumé

This paper deals with Takagi-Sugeno (T-S) systems stabilization based on dynamic output feedback compensators (DOFC). In fact, only few results consider DOFC for T-S systems and most of them propose quadratic Lyapunov functions to provide stability conditions, which may lead to conservatism. In this work, to overcome this drawback and to enhance the closed-loop transient response, we provide for T-S uncertain closed-loop systems non-quadratic stability conditions. Based on a fuzzy Lyapunov candidate function and the descriptor redundancy property, these stability conditions are written in terms of linear matrix inequalities (LMI). Afterward, the DOFC is designed with H∞ criterion in order to minimize the influence of external disturbances. Finally, a few academic examples illustrate the efficiency of the proposed approaches.
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Dates et versions

hal-00793238 , version 1 (21-02-2013)

Identifiants

Citer

Kevin Guelton, Tahar Bouarar, Noureddine Manamanni. Robust dynamic output feedback fuzzy Lyapunov stabilization of Takagi-Sugeno systems - A descriptor redundancy approach. Fuzzy Sets and Systems, 2009, 160 (19), pp.2796-2811. ⟨10.1016/j.fss.2009.02.008⟩. ⟨hal-00793238⟩

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