Distributed event-triggered finite-time H∞ filtering for switched systems on sensor networks with two-channel network attacks and asynchronous modes

Xin Zhou, Guici Chen, Song Zhu and Shiping Wen

Applied Mathematics and Computation, 2023, vol. 458, issue C

Abstract: This paper addresses the problem of distributed event-triggered finite-time H∞ filtering for switched systems on sensor networks, subject to two-channel network attacks and asynchronous modes. To tackle the issue posed by the switched event-triggered communication mechanism and network attacks, a distributed filter with switching signal is introduced. Additionally, considering the mismatched behavior between switched systems and distributed filters caused by the event-triggered communication mechanism and network attacks, a piecewise vector modal function which considers all switching conditions is proposed for handling the problem of the sensor network’s filtering error system containing multiple switching signals. By utilizing the multiple Lyapunov functional method and the average dwell time switching mechanism, sufficient conditions are derived to guarantee that the filtering error system with synchronous and asynchronous modes is both finite-time bounded and satisfies the H∞ performance index. Finally, an example is presented to demonstrate the validity of the results.

Keywords: Finite-time H∞ filtering; Switched systems; Sensor networks; Two-channel attacks; Network attacks; Event-triggered communication mechanism; Asynchronous modes (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:458:y:2023:i:c:s0096300323004009

DOI: 10.1016/j.amc.2023.128231

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