Observer-Based Secure Event-Triggered Bipartite Consensus Control of Linear Multiagent Systems Subject to Denial-of-Service Attacks

• Published in: IEEE transactions on circuits and systems. II, Express briefs Vol. 69; no. 12; pp. 5054 - 5058
• Main Authors: Wang, Qiang, Diao, Weilu, Zino, Lorenzo, Peng, Xin, Zhong, Weimin
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.12.2022; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Circuits and systems; Consensus control; Controllers; Denial of service attacks; Denial-of-service attack; DoS attacks; fully distributed control; Laplace equations; Linear multi-agent systems (MASs); Linear systems; Multi-agent systems; Multiagent systems; observer-based dynamic event-triggered strategy (OBDES); Observers; Protocols; secure bipartite consensus
• ISSN: 1549-7747; 1558-3791
• DOI: 10.1109/TCSII.2022.3201513

This brief deals with the secure bipartite consensus problem for linear multi-agent systems (MASs) with Denial-of-Service (DoS) attacks subject to an observer-based dynamic event-triggered strategy (OBDES). Two event-triggered strategies involved with dynamic threshold are developed in controller and observer channels. Based on the connected structurally balanced signed graph, a new observer-based secure control protocol integrated of OBDES and relative output measurements of neighboring agents is proposed. The control strategy with dynamic coupling gains is fully distributed, which only requires to obtain the observer information from neighboring agents. Then, some criteria for secure bipartite consensus under DoS attacks are established. In addition, it is demonstrated that the Zeno behavior cannot not occur. At last, a numerical simulation is provided to verify the effectiveness of the proposed controller.