Cyber attacks and privacy protection distributed consensus algorithm for multi-agent systems

被引：0
|
作者：
Xu M. [1 ]
Zhang B. [1 ]
Wu Y. [1 ]
Ying C. [1 ]
Zheng N. [1 ]
机构：
[1] School of Cyberspace, Hangzhou Dianzi University, Hangzhou
来源：
Tongxin Xuebao/Journal on Communications | 2023年 / 44卷 / 03期
基金：
中国国家自然科学基金;
关键词：
average consensus; cyber security; DoS attack; multi-agent system; privacy protection;
D O I：
10.11959/j.issn.1000-436x.2023049
中图分类号：
学科分类号：
摘要：
To solve the consensus problem of multi-agent systems in the environment of cyber attacks and information eavesdropping, an average consensus algorithm that can effectively resist network denial of service (DoS) attacks and protect nodes’ state privacy was proposed. Firstly, combined with the characteristics of DoS attacks in networked control systems, a periodic DoS attack model related to time was constructed. Then a distributed network node information processing mechanism based on differential privacy was proposed by using the information interaction between neighbor nodes, and then it was introduced into the average consensus algorithm. Furthermore, combined with the event-triggered mechanism, a consensus algorithm method suitable for undirected communication networks under DoS attacks was proposed, and its convergence and privacy protection performance were analyzed strictly mathematically. Finally, the effectiveness of the proposed algorithm was verified by a numerical simulation experiment and hardware experiment. © 2023 Editorial Board of Journal on Communications. All rights reserved.
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页码：117 / 127
页数：10
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