An intelligent controller of homo-structured chaotic systems under noisy conditions and applications in image encryption

Pengteng Guo, Qiqing Shi, Zeng Jian, Jing Zhang, Qun Ding and Wenhao Yan

Chaos, Solitons & Fractals, 2024, vol. 180, issue C

Abstract: Due to the maturation of research on chaos and secure communication, the control technology of nonlinear systems, specifically chaos synchronization, has captured the attention of numerous researchers. Focusing on the issues of inflexibility in the design of chaotic synchronization controllers, the need for prior synchronization of the target system structure, and noise's disruptive impact on synchronization, this paper presents solutions that enhance the practical application of chaos. Firstly, the RBF neural controller is adjusted in this paper to bolster the control precision of the chaotic system and enhance its resilience to external disturbances. Secondly, this article presents an enhanced PSO optimization algorithm for the improved RBF neural controller to improve the optimization efficiency of the controller parameters. Finally, the simulation results of the Lorenz system validate the feasibility of the proposed synchronization control scheme. Additionally, the use of chaotic synchronization in image encryption demonstrates that synchronization accuracy can fulfill the requirements of image encryption application scenarios.

Keywords: Neural controller; RBF; Optimization algorithm; External disturbance; Continuous chaotic system; Chaotic synchronization (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:180:y:2024:i:c:s0960077924000754

DOI: 10.1016/j.chaos.2024.114524

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