Abstract:

Since the traditional tolerant control methods can not guarantee the stability of the nonlinear systems with concurrent actuator and sensor faults，the robust tolerant control possessing integrity for a class of time-delay uncertain fuzzy systems is discussed in this paper.The uncertain nonlinear systems are described by the T-S fuzzy model，and the standard and normalized fault matrices are defined in advance，then based on the system structure transformation by Newton-Leibniz formula，the delay dependent sufficient conditions on the existence of the robust tolerant controllers are derived by linear matrix inequalities，so that the closed-loop systems are stable even when the actuator and（or）the sensor faults occur，and the generalized robust performance also can be satisfied to restrain the influence of the disturbances，the initial and delayed states.Finally，the simulation results indicate the feasibility and the validity of the proposed method.