Improved results on stability analysis and controller synthesis for T-S fuzzy systems

Liang Qiao and Ying Yang

International Journal of Systems Science, 2018, vol. 49, issue 12, 2670-2681

Abstract: This paper is concerned with the stability analysis and synthesis issues for T-S fuzzy systems. By fully using the properties of fuzzy weighting functions and matrix inequalities, two improved sufficient stability conditions are derived based on the common Lyapunov function and fuzzy Lyapunov function, respectively. It is not necessary to require every fuzzy subsystem to be stable in these conditions. Following the analysis, both parallel and non-parallel distributed compensation controllers are obtained by solving linear matrix inequalities. Finally, four examples are given to show the effectiveness of our proposed approach and the advantages of the approach over existing methods.

Date: 2018
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DOI: 10.1080/00207721.2018.1508788

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