期刊
CHAOS SOLITONS & FRACTALS
卷 152, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2021.111350
关键词
Hopfield neural network; Electromagnetic radiation; Multi-style attractors; FPGA; Pseudo-random number generator; Image encryption
资金
- Natural Science Foundation of Hunan Province [2019JJ50648]
- Post-graduate Scientific Research Innovation Project of Hunan Province [CX20200884]
- Changsha University of Science and Technology [CX2021SS72, CX2021SS69]
- Postgraduate Training Innovation Base Construction Project of Hunan Province [2020-172-48]
- Scientific Research Fund of Hunan Provincial Education Department [18A137]
This study investigates the dynamics of a small neural network with three neurons under electromagnetic radiation, revealing that the strength of the radiation can alter the equilibrium points in the network and lead to diverse attractor trajectories. Various dynamic behaviors were observed, including transitional coexisting attractors, chaos, and intermittent chaos.
This article studies the interesting dynamics of a small neural network with three neurons under electromagnetic radiation. The electromagnetic radiation strength can change the number of the equilibrium points in the neural network, which leads to the diversification of the attractor's trajectory. Thus, the novel multi-style attractors like one-to-two-spiral attractors and one-to-four-scroll attractors can be generated from the neural network stimulated by electromagnetic radiation. Besides, the plentiful dynamical behaviors are observed in the neural network, such as transitional coexisting attractors, hypogenetic at tractors, periodic patterns, firing patterns, transient chaos and intermittent chaos. In terms of hardware implementation, we utilize FPGA to digitally implement the constructed neural network model. The experimental verification results are highly consistent with the numerical simulation results. In the aspects of engineering application, we apply it to pseudo-random number generator and image encryption respectively, test the random performance of different chaotic attractors by NIST test suite, describe the image encryption scheme based on neural network and estimate its security performances. The ultimate outcomes demonstrate that the neural network model with chaotic behavior has superior randomness and wonderful security, which is very suitable for engineering applications based on chaos. (c) 2021 Elsevier Ltd. All rights reserved.
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