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Abstract This paper presents a design method for fuzzy control systems. The method is based on a fuzzy state-space model A suitable piecewise smooth quadratic (PSQ) Lyapunov function is used to establish asymptotic stability of the closed-loop system. With the PSQ Lyapunov function a kind of global controller design method can be developed, and thus the disadvantage of using fixed P in the Lyapunov function can be overcome. Furthermore, a constructive algorithm is developed to obtain the stabilizing feedback control law. The controller design algorithm involves solving a set of certain algebraic Riccati equations. An example is given to illustrate the application of the method Additional informationNotes on contributorsS. G. CAO Tel: +(61) 2 385 5302; Fax: +(61) 2 385 5993; e-mail: cao@syscon.ee.unsw.edu.au.
Cao et al. (Thu,) studied this question.