Switched observer-based dynamic event-triggered consensus of multi-agent systems under DoS attacks |
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| Institution: | 1. School of Mathematics and Statistics, Zhengzhou University, Henan 450001, China;2. Zhongyuan University of Technology, Henan 450007, China;1. College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China;2. Department of Applied Mathematics, The Hong Kong Polytechnic University, Hong Kong, China;3. Department of Electrical Engineering, Yeungnam University, Kyongsan 38541, Korea |
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| Abstract: | This paper investigates the observer-based consensus control for high-order nonlinear multi-agent systems (MASs) under denial-of-service (DoS) attacks. When the DoS attacks appear, the communication channels are destroyed, and the blocked information may ruin the consensus of MASs. A switched state observer is designed for the followers to observe the leader’s state whether the DoS attacks occur or not. Then, a dynamic event-triggered condition is proposed to reduce the consumption of communication resources. Moreover, an observer-based and dynamic event-triggered controller is formulated to achieve leader-following consensus through the back-stepping method. Additionally, the boundedness of all closed-loop signals is obtained based on the Lyapunov stability theory. Finally, the simulation results demonstrate the effectiveness of the presented control strategy under DoS attacks. |
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