Two-Dimensional Exponential Chaotic System With Hardware Implementation

Yinxing Zhang; Han Bao; Zhongyun HuaHejiao Huang

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Two-Dimensional Exponential Chaotic System With Hardware Implementation

机译：Two-Dimensional Exponential Chaotic System With Hardware Implementation

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摘要

Recently, designing hyperchaotic maps with complex dynamics has attracted increasing attention from various research fields. In this article, we propose a 2-D exponential chaotic system (2D-ECS). The 2D-ECS can generate a large number of hyperchaotic maps by cascading exponential nonlinearity with bounded functions. To show the effectiveness of the 2D-ECS, we provide three hyperchaotic maps by cascading the exponential nonlinearity with trigonometric functions. We first build state-mapping networks with different fixed-point arithmetic precisions to analyze the dynamic properties of the hyperchaotic maps in digital domain, and then study their dynamic properties using several numerical measurements. Experimental results show that the generated hyperchaotic maps show better performance indicators than existing chaotic maps. Moreover, a hardware platform is constructed to implement the three hyperchaotic maps generated by the 2D-ECS, and two-channel hyperchaotic sequences are experimentally captured. A pseudorandom number generator is designed to study the potential applications of our proposed hyperchaotic maps. Finally, we apply the generated hyperchaotic maps to secure communication, and experimental results show that these maps exhibit better performance in contrast to existing chaotic maps.

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来源
《IEEE Transactions on Industrial Electronics》 |2023年第9期|9346-9356|共11页
作者
Yinxing Zhang; Han Bao; Zhongyun HuaHejiao Huang;
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作者单位

Harbin Institute of Technology;

Changzhou University;

the School of Computer Science and Technology, Harbin Institute of Technology;

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正文语种英语
中图分类无线电电子学、电信技术;
关键词
Fixed-point arithmetic; hardware implementation; hyperchaotic map; period distribution; pseudorandom number generator (PRNG); state-mapping network; Chaotic communication; Behavioral sciences; Trajectory; Hardware; Generators; Degradation; Stability analysis;

Two-Dimensional Exponential Chaotic System With Hardware Implementation

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