Finite-time fuzzy stabilisation and control for nonlinear descriptor systems with non-zero initial state

Zhan Su, Qingling Zhang, Jun Ai and Xin Sun

International Journal of Systems Science, 2015, vol. 46, issue 2, 364-376

Abstract: For nonlinear descriptor systems, this paper presents an approach to obtain a fuzzy controller with guaranteed finite-time stability and finite-time boundedness with non-zero initial state, which outperforms some recent work and additionally provides a precision estimation of model approximation. We prove necessary and sufficient conditions of finite-time stability and finite-time boundedness with non-zero initial state for nonlinear descriptor systems. Using Takagi–Sugeno fuzzy dynamic models and proposed sufficient conditions, we define fuzzy sets and use linear matrix inequalities to satisfy differential linear matrix inequalities. A simulation confirms efficiency and precision of the given method.

Date: 2015
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DOI: 10.1080/00207721.2013.783949

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