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Type: Journal article
Title: Event-based secure consensus of mutiagent systems against DoS attacks
Author: Xu, Y.
Fang, M.
Shi, P.
Wu, Z.
Citation: IEEE Transactions on Cybernetics, 2020; 50(8):3468-3476
Publisher: IEEE
Issue Date: 2020
ISSN: 2168-2267
Statement of
Yong Xu, Mei Fang, Peng Shi, Zheng-Guang Wu
Abstract: This paper studies the problem of event-triggered secure consensus for multiagent systems subject to periodic energy-limited denial-of-service (DoS) attacks, where DoS attacks usually prevent agent-to-agent data transmission. The DoS attacks are assumed to occur periodically based on the time-sequence way and the period of DoS attacks and the uniform lower bound of the communication areas are predetected by some devices. Based on the above assumptions, an event-based protocol consisting of two different measurements corresponding to leader-followers and follower-follower is presented to schedule communications between agents, which can reduce the update frequency of the controller. Then, the stability of the resultant error system is analyzed to derive sufficient conditions of achieving secure consensus by employing the Lyapunov function and the inductive approach. Besides, positive low bounds on any two consecutive intervals of events generated by individual events are calculated to eliminate "Zeno behavior" under the developed triggering condition and event-triggered protocol. Simulation result is provided to verify the theoretical analysis.
Keywords: Event-triggered control (ETC); multiagent systems (MASs); secure consensus
Rights: © 2019 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.
DOI: 10.1109/TCYB.2019.2918402
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