观测器为基础的多包传输网络化系统故障检测.PDF

30 9 Vol. 30 No. 9 2013 9 Control Theory Applications Sep. 2013 DOI: 10.7641/CTA.2013.20496 , , (, 430081) : . , . , , , . , . . : ; ; ; : TP273 : A Observer-based fault detection for networked systems with multiple packets transmission pattern ZHANG Yong , ZHAO Min, LIU Zhen-xing (School of Information Science and Engineering, Wuhan University of Science and Technology, Wuhan Hubei 430081, China) Abstract: Fault detection problem of multiple packets transmission networked systems with uncertain Markovian jump system model is investigated. By introducing transmission matrix, we build Markovian jump system model with partly unknown transition probabilities to describe the interaction between different packet transmissions in adjacent sampling periods. Based on the obtained model, with the help of Lyapunov method and stochastic analysis techniques, we design mode-dependent fault detection filter in terms of linear matrix inequalities to stabilize stochastically the augmented error system in H-infinity framework. Corresponding results of classical Markovian jump system model and the switched system model can be included as our special cases. The effectiveness of the proposed method is demonstrated by simulation examples. Key words: fault detection; networked systems; transmission of multiple packets; Markovian jump system 1 Introduction