Fault detection for the networked control systems with locally over-lapped asynchronous switching law

For the fault detection problem of the networked control systems with the presence of time-varying short delay and packet dropouts, the dynamics of the nonlinear plant are modeled as a switched system. Considering the locally overlapped switching law in practice, the switched system above is divided into several locally overlapped switched systems. Also, considering the asynchronous switching phenomena between the filters and models, the systems are further augmented to be locally overlapped asynchronous switched systems. By combing the common Lyapunov function method and the average dwell time method, the fault detection filters are established in terms of LMIs. Finally, numerical examples based on a networked aircraft's full-envelope flight are given to demonstrate the effectiveness of the proposed method.