Journal
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS
Volume 360, Issue 12, Pages 9084-9095Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfranklin.2022.08.030
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This paper investigates the mean square consensus problem of a class of nonlinear networked systems under directed and stochastic switching communication topologies, with the switching law determined by an ergodic continuous-time Markov process. An observer-based method is used to design the cooperative consensus controller. The paper proves that the mean square consensus can be achieved if the union of the underlying network graphs has a directed spanning tree, even if none of the network graphs contain a directed spanning tree. The effectiveness of the proposed controllers is illustrated through a numerical simulation on multiple Chua's circuit systems.
This paper aims to investigate the mean square consensus (MSC) problem of a class of nonlinear networked systems subject to directed and stochastic switching communication topologies, where the switching law is determined by an ergodic continuous-time Markov process. The cooperative consensus controller is designed by using an observer-based method. Firstly, for the case with Lur'e nonlinear dynamics, by developing a stochastic Lyapunov function, we show that the MSC under consideration can be realized if the union of the underlying network graphs has a directed spanning tree. It is worth noting that none of the network graphs is required to contain a directed spanning tree. Moreover, we study the MSC problem for networked systems with Lipschitz-type nonlinear dynamics. Finally, a numerical simulation is conducted on multiple Chua's circuit systems to illustrate the effectiveness of the proposed controllers.& COPY; 2022 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
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