Asynchronous H∞ filtering for networked switched systems under effective DoS attacks

Lijie You, Xiaowu Mu and Zhe Yang

International Journal of Systems Science, 2022, vol. 53, issue 6, 1220-1232

Abstract: In this paper, the asynchronous $ H_{\infty } $ H∞ filtering problem of discrete-time networked switched systems under effective DoS attacks is studied. DoS attacks launched by the opponent are not always successful, and effective DoS attacks refers to successful attacks. First, based on event-triggered communication mechanism (ETCM), combining multiple Lyapunov functions with the merging switching signal technique, sufficient conditions are given to make the filter error system mean square exponentially stable (MSES) and satisfy an $ H_{\infty } $ H∞ performance. Then, switched filters and ETCM are co-designed by solving linear matrix inequalities. Furthermore, the relationship between the upper bound of attack duty cycle and the success rate of DoS attack is analysed. Finally, a practical example is given to illustrate the validity of the results.

Date: 2022
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DOI: 10.1080/00207721.2021.1995526

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