Robust Fault Tolerant Control For Switched Neutral Systems Under Asynchronous Switching

Robust fault tolerant control for switched neutral systems under asynchronous switching is an important research topic. The stability problem for switched neutral systems has been studied and the preliminary results have been achieved. Little work concerns the robust fault tolerant control for switched neutral systems under asynchronous switching in sensor failures and in both of the sensor failures and the actuator failures case. In addition, systems will be affected by uncertain disturbance. In this paper, these factors are considered comprehensively. We research the robust fault tolerant control for switched neutral systems under asynchronous switching by using multiple Lyapunov functions, average dwell time and LMI approaches. The main work is as follows.In chapter 2, the problem of robust fault tolerant control for a class of constant time-delay switched neutral systems under asynchronous switching is researched respectively when the sensor faults and both of the sensor and the actuator have faults simultaneously. Based on multiple Lyapunov functions method, the sufficient conditions of exponentially stability for such systems are obtained.In chapter 3, the result in chapter 2 is generated to the multiple time-delay situation. That is, the robust fault tolerant control for multiple time-delay switched neutral systems with sensor failures is researched.Furthermore, the same problem for such systems with both the sensor failures and the actuator failures,and the sufficient conditions of exponentially stability for the systems are given.The full content is summarized in chapter 4.