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Synchronization of a Memristor Chaotic System and Image Encryption

School of Automation, China University of Geosciences, Wuhan 430074, P. R. China

Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, P. R. China

E-mail Address: 20181002208@cug.edu.cn

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Leimin Wang

School of Automation, China University of Geosciences, Wuhan 430074, P. R. China

Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, P. R. China

E-mail Address: wangleimin@cug.edu.cn

Corresponding author.

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, and

Qiang Lai

School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang 330013, P. R. China

E-mail Address: laiqiang87@126.com

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https://doi.org/10.1142/S0218127421502515Cited by:19 (Source: Crossref)

Abstract

In this paper, a sliding-mode-based controller is designed for finite-time synchronization of Memristor Chaotic Systems (MCSs). It demonstrates that the synchronization errors of the MCSs reach the designed sliding-mode surface within a finite time and the finite-time stability is achieved on the surface, which implies that the finite-time synchronization for MCSs is achieved by employing the proposed sliding-mode-based controller. Furthermore, a new image encryption algorithm is proposed and implemented based on the results of finite-time synchronization. Finally, the numerical simulation and the corresponding statistical performance analysis are presented to verify the practicability, effectiveness and superiority of the presented sliding-mode-based controller and encryption algorithm, especially their potential applications in secure communication.

Keywords:

References

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