Cascade discrete memristive maps for enhancing chaos*

被引:17
作者
Yuan, Fang [1 ]
Bai, Cheng-Jun [1 ]
Li, Yu-Xia [1 ]
机构
[1] Shandong Univ Sci & Technol, Coll Elect Engn & Automat, Qingdao 266590, Peoples R China
基金
中国国家自然科学基金;
关键词
chaos; discrete memristor; cascade chaotic system; bifurcation; INITIAL BOOSTING BEHAVIORS;
D O I
10.1088/1674-1056/ac20c7
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Continuous-time memristor (CM) has been widely used to generate chaotic oscillations. However, discrete memristor (DM) has not been received adequate attention. Motivated by the cascade structure in electronic circuits, this paper introduces a method to cascade discrete memristive maps for generating chaos and hyperchaos. For a discrete-memristor seed map, it can be self-cascaded many times to get more parameters and complex structures, but with larger chaotic areas and Lyapunov exponents. Comparisons of dynamic characteristics between the seed map and cascading maps are explored. Meanwhile, numerical simulation results are verified by the hardware implementation.
引用
收藏
页数:7
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