New chaotic memristive cellular neural network and its application in secure communication system

Published on Dec 1, 2020in Chaos Solitons & Fractals3.764
· DOI :10.1016/J.CHAOS.2020.110316
Chunbo Xiu2
Estimated H-index: 2
(Tianjin Polytechnic University),
Ruxia Zhou1
Estimated H-index: 1
Yuxia Liu1
Estimated H-index: 1
Abstract In order to improve the engineering feasibility of the memristive cellular neural network, a new memristor model with the smooth characteristic curve is designed. Based on the new memristor model, a new four-dimensional chaotic memristive cellular neural network (CNN) system is constructed, and its chaotic dynamic behaviors are analyzed. It can be applied to the secure communication based on the chaos synchronization control. Because both the external disturbances and uncertainties of internal parameters are maybe in the practical secure communication system, sliding mode control is used to perform the chaos synchronization between the sender and receiver. A new terminal sliding mode surface is designed to make the error system converge to zero in a finite time. Simulation results show that the new terminal sliding mode control has good robustness to the external disturbances and uncertainties of internal parameters, and the new chaotic memristive CNN system can be used in the secure communication by the chaos synchronization based on sliding mode control.
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