Cascade discrete memristive maps for enhancing chaos |
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| Affiliation: | College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao 266590, China |
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| Abstract: | 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. |
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| Keywords: | chaos discrete memristor cascade chaotic system bifurcation |
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