IEEE/CAA Journal of Automatica Sinica
Citation: | J. Y. Chai, Q. Lu, X. D. Tao, D. L. Peng, and B. T. Zhang, “Dynamic event-triggered fixed-time consensus control and its applications to magnetic map construction,” IEEE/CAA J. Autom. Sinica, vol. 10, no. 10, pp. 2000–2013, Oct. 2023. doi: 10.1109/JAS.2023.123444 |
This article deals with the consensus problem of multi-agent systems by developing a fixed-time consensus control approach with a dynamic event-triggered rule. First, a new fixed-time stability condition is obtained where the less conservative settling time is given such that the theoretical settling time can well reflect the real consensus time. Second, a dynamic event-triggered rule is designed to decrease the use of chip and network resources where Zeno behaviors can be avoided after consensus is achieved, especially for finite/fixed-time consensus control approaches. Third, in terms of the developed dynamic event-triggered rule, a fixed-time consensus control approach by introducing a new item is proposed to coordinate the multi-agent system to reach consensus. The corresponding stability of the multi-agent system with the proposed control approach and dynamic event-triggered rule is analyzed based on Lyapunov theory and the fixed-time stability theorem. At last, the effectiveness of the dynamic event-triggered fixed-time consensus control approach is verified by simulations and experiments for the problem of magnetic map construction based on multiple mobile robots.
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