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Effects of coupling memristors on synchronization of two identical memristive Chua's systems

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  • Chen, Mo
  • Xue, Wanqi
  • Luo, Xuefeng
  • Zhang, Yunzhen
  • Wu, Huagan

Abstract

As a new type of coupling element, memristor coupler can cause many intricate phenomena in its coupling network. This paper focuses on the synchronization effects of the nonlinearities of coupling memristors in a network achieved by coupling two identical memristive Chua's systems with a memristor. Memristor couplers with hyperbolic tangential and cubic memductance nonlinearities are chosen as two paradigms. Using Lyapunov's stability theorem, their synchronization effects are theoretically demonstrated through deriving the synchronization conditions. On this basis, the synchronization behaviors for the hyperbolic memristor coupler are explored under different initial condition settings. Complete synchronization with tiny initial condition mismatches and parallel offset synchronization with memristor and non-memristor initial condition mismatches are numerically uncovered. FPGA hardware implementation is finally performed and the typical synchronization behaviors are verified by hardware experiments.

Suggested Citation

  • Chen, Mo & Xue, Wanqi & Luo, Xuefeng & Zhang, Yunzhen & Wu, Huagan, 2023. "Effects of coupling memristors on synchronization of two identical memristive Chua's systems," Chaos, Solitons & Fractals, Elsevier, vol. 174(C).
    • Handle: RePEc:eee:chsofr:v:174:y:2023:i:c:s0960077923006811
    DOI: 10.1016/j.chaos.2023.113780
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    References listed on IDEAS

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    3. Chen, Mo & Wang, Ankai & Wang, Chao & Wu, Huagan & Bao, Bocheng, 2022. "DC-offset-induced hidden and asymmetric dynamics in Memristive Chua's circuit," Chaos, Solitons & Fractals, Elsevier, vol. 160(C).
    4. Li, Kexin & Bao, Bocheng & Ma, Jun & Chen, Mo & Bao, Han, 2022. "Synchronization transitions in a discrete memristor-coupled bi-neuron model," Chaos, Solitons & Fractals, Elsevier, vol. 165(P2).
    5. Hu, Yongbing & Li, Qian & Ding, Dawei & Jiang, Li & Yang, Zongli & Zhang, Hongwei & Zhang, Zhixin, 2021. "Multiple coexisting analysis of a fractional-order coupled memristive system and its application in image encryption," Chaos, Solitons & Fractals, Elsevier, vol. 152(C).
    6. Lin, Hairong & Wang, Chunhua & Sun, Jingru & Zhang, Xin & Sun, Yichuang & Iu, Herbert H.C., 2023. "Memristor-coupled asymmetric neural networks: Bionic modeling, chaotic dynamics analysis and encryption application," Chaos, Solitons & Fractals, Elsevier, vol. 166(C).
    7. Chen, Mo & Ren, Xue & Wu, Huagan & Xu, Quan & Bao, Bocheng, 2020. "Interpreting initial offset boosting via reconstitution in integral domain," Chaos, Solitons & Fractals, Elsevier, vol. 131(C).
    8. Ding, Dawei & Chen, Xiaoyu & Yang, Zongli & Hu, Yongbing & Wang, Mouyuan & Zhang, Hongwei & Zhang, Xu, 2022. "Coexisting multiple firing behaviors of fractional-order memristor-coupled HR neuron considering synaptic crosstalk and its ARM-based implementation," Chaos, Solitons & Fractals, Elsevier, vol. 158(C).
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    1. Wu, Huagan & Bian, Yixuan & Zhang, Yunzhen & Guo, Yixuan & Xu, Quan & Chen, Mo, 2023. "Multi-stable states and synchronicity of a cellular neural network with memristive activation function," Chaos, Solitons & Fractals, Elsevier, vol. 177(C).

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