Design of robust H? fault detection filter for uncertain time-delay systems using canonical form approach
Problem of fault detection for uncertain time-delay systems is considered in this work. Firstly, uncertain time-delay system with delay in state, input and output is converted into delay-free system using canonical form transformation approach. Secondly, a fault detection scheme is devised for the delay-free system using H1 model matching approach, which is to be implemented on original time-delay system. Thirdly, To make the fault detection system more effcient adaptive threshold is also computed for the considered problem. Finally, simulation study is presented which shows the effectiveness of proposed framework for detection of faults in original time-delay system. Abrupt and incipient fault types are successfully detected using the proposed framework.
canonical form transformation model matching robust fault detection filter state time-delay systems.