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Event-Triggered Distributed State Estimation for Multiagent Systems Under DoS Attacks
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DOI：10.1109/TCYB.2020.3034456.png)
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摘要
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This article investigates the problem of event-triggered distributed state estimation for linear multiagent systems under denial-of-service (DoS) attacks. In contrast to the previous studies where the agents have access to the measurements of their own states, an estimation algorithm is provided based on the measurements relative to the adjacent agents, and the considered DoS attacks jam each channel independently while the attack durations are constrained. To estimate the states and effectively schedule the information transmissions over the network possibly subject to malicious attacks, a prediction-based switching observer scheme with an event-triggered communication strategy is proposed, and the invalidation problem of the event-triggering mechanism caused by the DoS attacks is solved. Based on the decay rates of the Lyapunov function corresponding to different transmission modes, sufficient conditions for the stability of the estimation error dynamics are presented in the presence of DoS attacks. Finally, the effectiveness of the proposed strategy is demonstrated by simulation results.
Keyword:
Denial-of-service attack
Observers
Switches
Security
Multi-agent systems
Estimation error
Sun
Denial-of-service (DoS) attacks
distributed state estimation
event-triggered strategy
multiagent systems (MASs)
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期刊
IF:
10.5
论文数:
1.1W
被引数:
5.0W
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