Event-triggered fault detection for T-S fuzzy systems subject to data losses

Ziran Chen, Baoyong Zhang, Yijun Zhang, Yongmin Li and Zhengqiang Zhang

International Journal of Systems Science, 2020, vol. 51, issue 7, 1162-1173

Abstract: This work focuses on the fault detection for nonlinear networked systems. A fault detection filter is designed to detect the fault signal under the effect of disturbance. The communication channel of the networked system is supposed to be influenced by the limited bandwidth and random data losses. To deal with these, event-triggered scheme and Bernoulli process are employed to describe the problems, respectively. According to the above situation, we employ a formulated random series to describe the input of fuzzy filter. Differential mean value theorem based method is presented to handle the asynchronous membership functions. Synthetically, linear matrix inequality approach is employed to obtain the stability conditions and the filter design process. At last, we verify the performance of this method acting in the simulation example.

Date: 2020
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DOI: 10.1080/00207721.2020.1752417

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