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Reproducing countless hidden attractors in a memristive system based on offset boosting

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Abstract

Offset control has attracted great research in recent years, and the introduction of special offset functions can produce homogenous multistability; however, the uncountably many attractors caused by offset boosting have not been focused. In this work, a 4D memristive chaotic model with uncountably many hidden attractors is designed. More interestingly, two-dimensional offset boosting can be achieved by a constant that simply switches the two variables of the offset by combining different initial values with the offset parameter. The offset parameters of variables are hidden when offset parameters cancel each other out; variable boosting can also be achieved only by varying initial conditions, which present a special regime of homogenous multistability with uncountably many continuously distributed attractors. This system provides the first example with uncountably many hidden attractors without any periodic function involved. Finally, the proposed memristive circuit with chaotic behavior is implemented through printed circuit board; circuit implementation agrees well with the numerical explorations and theoretical analysis.

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Acknowledgements

This work was supported financially by the National Natural Science Foundation of China (Grant No. 62371242) and a Project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

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Authors and Affiliations

  1. School of Electronic and Information Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China

    Xin Zhang & Chunbiao Li

  2. School of Artificial Intelligence, Nanjing University of Information Science & Technology, Nanjing, 210044, China

    Chunbiao Li & Xudong Gao

  3. Collaborative Innovation Center of Memristive Computing Application (CICMCA), Qilu Institute of Technology, Jinan, 250200, China

    Haiyan Fu & Tengfei Lei

Authors
  1. Xin Zhang
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  2. Chunbiao Li
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  3. Xudong Gao
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  5. Tengfei Lei
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Correspondence to Chunbiao Li.

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Zhang, X., Li, C., Gao, X. et al. Reproducing countless hidden attractors in a memristive system based on offset boosting. Eur. Phys. J. Plus 139, 187 (2024). https://doi.org/10.1140/epjp/s13360-024-04984-9

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