Finite-time leader-following output consensus for multi-agent systems via extended state observer.

  • SCI-E
作者: Yingjie Wang;Yuan Yuan;Jinguo Liu
作者机构: School of Aerospace, Northwestern Polytechnical University, Xi’an 710072, PR China
State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, PR China
语种: 英文
关键词: Finite-time consensus;Multi-agent systems;Extended state observer;Spacecraft system
期刊: Automatica
ISSN: 0005-1098
年: 2021
卷: 124
页码: 109133-
基金类别: Fundamental Research Funds for the Central Universities of ChinaFundamental Research Funds for the Central Universities [3102019HTXS007]
摘要: In this paper, the finite-time leader-following output consensus problem is investigated for a multi-agent system subjected to directed topology and disturbance. Firstly, a distributed finite-time extended state observer (DFTESO) is designed to provide estimate for unmeasured consensus errors and disturbances. The sufficient condition is provided in terms of linear matrix inequality (LMI) to ensure that the error dynamics of the DFTESO is convergent in finite time. Then, based on the designed observer, the leader-following consensus protocol based on dynamic gain method is proposed under the directed topology. Finally, an example on the multi-spacecraft system is provided to illustrate the effectiveness of the proposed methodology. (C) 2020 Elsevier Ltd. All rights reserved.

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Finite-time leader-following output consensus for multi-agent systems via extended state observer.
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