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This paper investigates the adaptive fuzzy output feedback event-triggered control problem for a class of switched nonlinear systems with sensor faults. Due to that the unknown nonlinearities of the systems are more general and the sensor undergoes faults, the considered problem is difficult to be addressed by existing schemes. Therefore, fuzzy logic systems are employed to approximate unknown nonlinear terms and a fault compensation coefficient is introduced to compensate for the effect of sensor failures. Then, a state observer is established for estimating unmeasured states. By choosing a suitable common Lyapunov function, an adaptive fuzzy output feedback fault-tolerant event-triggered controller is derived. It is proven that the proposed scheme can guarantee that the system output tracks the desired trajectory effectively, all states of the resulting closed-loop system are semi-globally uniformly ultimately bounded, and the Zeno phenomenon is excluded. Finally, two simulation examples, which include a switched RLC circuit system and a numerical example, are presented to show the the effectiveness of the proposed strategy.
Zhang et al. (Wed,) studied this question.
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