Abstract
In this paper, the leader-following exponential consensus problem of discrete-time multi-agent systems with time-varying delay is investigated. For systems with interconnected topology being directed and mobile agents being able to communicate with each other at some disjoint time intervals, a new distributed consensus protocol is proposed. By model transforming, it is shown that the consensus problem can be cast into the stability problem for discrete-time multi-agent systems. In light of the multiple Lyapunov stability analysis and the linear matrix inequality method, some new sufficient conditions are derived for guaranteeing the exponential consensus of discrete-time multi-agent systems under fixed topology and switching topology. Moreover, the corresponding gain matrices are also obtained. Finally, simulation results are provided to illustrate the effectiveness of the theoretical results.
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Recommended by Associate Editor Sung Jin Yoo under the direction of Editor Jessie (Ju H.) Park. This work was supported by the National Natural Science Foundation of China (Grant No.61573200,61573199).
Shuang Liang received her M.S. degree from the School of Tianjin Polytechnic University, Tianjin, China, in 2017. She is now pursuing a Ph.D. degree in the College of Artificial Intelligence, Nankai University, Tianjin, China. Her research interest covers complex networks and consensus of multi-agent systems.
Zhongxin Liu received his B.S. degree in automation and Ph.D. degree in control theory and control engineering from the Nankai University, Tianjin, China, in 1997 and 2002, respectively. He has been at Nankai University, where he is currently a Professor in the Department of Automation. His main areas of research are in predictive control, complex networks and multi-agent systems.
Zengqiang Chen received his B.S. degree in mathematics, M.S. degree and a Ph.D. degree in control theory from Nankai University, China, in 1987, 1990, and 1997, respectively. He is now a professor at the College of Artificial Intelligence, Nankai University. His research interest covers complex networks, adaptive control, intelligent predictive control and chaos system.
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Liang, S., Liu, Z. & Chen, Z. Leader-following Exponential Consensus of Discrete-time Multi-agent Systems with Time-varying Delay and Intermittent Communication. Int. J. Control Autom. Syst. 18, 944–954 (2020). https://doi.org/10.1007/s12555-019-0366-0
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DOI: https://doi.org/10.1007/s12555-019-0366-0