Finite-time synchronization of coupled complex-valued chaotic systems with time-delays and bounded perturbations

被引：6
|
作者：
Luo, Fei [1 ]
Xiang, Yi [2 ,3 ]
Wu, Enli [2 ]
机构：
[1] Sichuan Univ, Dept Math, Chengdu 610064, Sichuan, Peoples R China
[2] Sichuan Univ Sci & Engn, Coll Math & Stat, Zigong 643000, Sichuan, Peoples R China
[3] Sichuan Normal Univ, Sch Math Sci, Chengdu 610066, Sichuan, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2021年 / 35卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Finite-time synchronization; coupled chaotic systems; bounded perturbation; discontinuous functions; complex value; time-varying delays; LAG-SYNCHRONIZATION; NEURAL-NETWORKS; PARAMETERS;
D O I：
10.1142/S021798492150130X
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, finite-time synchronization for a class of complex-valued coupled chaotic systems with bounded non-identical perturbations and discontinuous activations is investigated. State feedback controller and Lyapunov function are designed to deal with time delay of the coupled systems. By separating the state variables into real and imaginary parts and using chain rule, sufficient conditions are obtained to realize finite-time synchronization. Moreover, the setting time can be estimated for chaotic systems. Those results can be applied to the continuous and real-valued chaotic systems. Finally, numerical simulations are given to demonstrate the effectiveness of the theoretical results.
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收藏
页数：19
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