Abstract
A significant challenge in designing consensus algorithms with output feedback is resolving unmeasurable states. Most available results require undirected graphs or linear multi-agent systems. Under a directed topology, this paper investigates the distributed output feedback consensus problem for second-order nonlinear multi-agent systems. Based on the high-gain observer, a novel consensus control algorithm that solely relies on the output information of each agent and its neighbors is proposed to ensure that all signals in the closed-loop system maintain bounded and practical output consensus can be achieved. The simulation results of the Josephson junction circuit are presented to illustrate the validity of the theoretical results.
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Acknowledgements
This work was supported in part by the Natural Science Foundation of China under Grant 62003214 and Grant 6217023627; in part by the National Defense Basic Research Program under Grant JCKY2019413D001; in part by the Shanghai Natural Science Foundation under Grant 22ZR1443600 and Grant 19ZR1436000; and in part by Shanghai Pujiang Program under Grant 2019PJD035.
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Li, F., Wang, G., Hou, Y. et al. Output Feedback Consensus of Nonlinear Multi-agent Systems Under Directed Topologies. Circuits Syst Signal Process 42, 216–233 (2023). https://doi.org/10.1007/s00034-022-02137-w
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DOI: https://doi.org/10.1007/s00034-022-02137-w