Finite-time synchronization of delayed semi-Markov reaction-diffusion systems: An asynchronous boundary control scheme
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Published on: May 8, 2021
Angang Wei1, Zhongyuan Yao2, Yu Zhang2
1China Huaneng Group Clean Energy Technology Research Institute Co., Ltd., China; Department of Mechanical Engineering, Tsinghua University, Beijing 102209, China.
Abstract:
This paper tries to study the problem of finite-time synchronization for delayed semi-Markov reaction-diffusion systems. Based on the spatial and parametric characteristics of the considered systems, a new asynchronous boundary control scheme is proposed to ensure the finite-time synchronization of the drive and response systems. In the asynchronous boundary control scheme, only an actuator should be placed at the spatial boundary, which is more easier to implement and economical than the other non-boundary control strategies. Besides, the system parameters and controller follow two asynchronous semi-Markov chains for jumping, which is more practical than obeying one semi-Markov chain. Moreover, for the considered systems, we proposes a new lemma of finite-time stability, and by employing the inequality methods and variable substitution, we derive the criterion of finite-time synchronization and a correlative corollary. Finally, a numerical example and an application example on secure communication are carried out to support the developed approach.
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