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http://dx.doi.org/10.5302/J.ICROS.2002.8.7.578

Fuzzy H2H∞ Controller Design for Delayed Nonlinear Systems  

Jo, Hui-Su (Dept.of Electronics Electrical Computer, Kyungpook National University)
Lee, Gap-Rae (Pyongtaek University)
Park, Hong-Bae (Dept.of Electronics Electrical Computer, Kyungpook National University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.8, no.7, 2002 , pp. 578-583 More about this Journal
Abstract
This paper presents a method for designing fuzzy $H_2/H_{\infty}$ controllers of nonlinear systems with time varying delay. Takagi-Sugeno fuzzy model is employed to represent nonlinear systems with time varying delay. Using a single quadratic Lyapunov function, the globally exponential stability and $H_2/H_{\infty}$ performance problem are discussed. A sufficient condition for the existence of fuzzy $H_2/H_{\infty}$ controllers is then presented in terms of linear matrix inequalities(LMls). The proposed fuzzy $H_2/H_{\infty}$ controllers minimizes the upper bound on the linear quadratic performance measure.
Keywords
fuzzy controller; $H_2/H_{\infty}$ controller; LMI; delayed nonlinear systems; fuzzy model;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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