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A 5D super-extreme-multistability hyperchaotic map based on parallel-cascaded memristors

Author

Listed:
  • Wang, Qiao
  • Tian, Zean
  • Wu, Xianming
  • Li, Kunshuai
  • Sang, Haiwei
  • Yu, Xiong

Abstract

A new 5-dimensional discrete memristors-based hyperchaotic map (5DMHM) is constructed by introducing four charge-controlled discrete memristors (DMs, coupled through parallel-cascade mixing operation) into the sine map. This 5DMHM has 4-dimensional space fixed points and its stability distributions are partitioned in coupling strength, memristor initial condition, and parameter planes. The dynamics of the map are investigated by employing 2D dynamical behavior and the first Lyapunov exponent (LE) distribution. The super extreme multistability is discovered through the basin of attraction, the initial-value-dependent LE spectra, bifurcation diagrams, the mean value of state variables, and trajectory plots. Moreover, a high level of complexity can be observed by calculating the spectral entropy complexity for various parameter planes. Subsequently, a microcontroller-based digital circuit is designed to implement the 5DMHM. The security analysis of the pseudorandom number generator (PRNG) designed by the 5DMHM is presented and the PRNG passes the NIST SP800-22 test. The comparison of the 5DMHM with the recent maps indicates a higher performance in secure communication and image encryption.

Suggested Citation

  • Wang, Qiao & Tian, Zean & Wu, Xianming & Li, Kunshuai & Sang, Haiwei & Yu, Xiong, 2024. "A 5D super-extreme-multistability hyperchaotic map based on parallel-cascaded memristors," Chaos, Solitons & Fractals, Elsevier, vol. 187(C).
    • Handle: RePEc:eee:chsofr:v:187:y:2024:i:c:s096007792401004x
    DOI: 10.1016/j.chaos.2024.115452
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