Journal
EUROPEAN PHYSICAL JOURNAL PLUS
Volume 137, Issue 7, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/s13360-022-03050-6
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Funding
- National Natural Science Foundation of China [61971228, 61871230]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX22_1635]
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This paper presents a simple memristive bi-neuron Hopfield neural network model with electromagnetic induction and demonstrates its symmetric behavior through numerical measures and circuit simulations.
Memristor is able to describe the electromagnetic induction evoked by membrane potential of neuron. To this end, the paper presents a simple memristive bi-neuron Hopfield neural network (MBHNN) with electromagnetic induction, where a flux-controlled memristor is used to link one neuron directionally. Coexisting symmetric behaviors are uncovered via theoretical analyses, numerical measures, and circuit simulations. By employing theoretical analyses, we demonstrate that the MBHNN model possesses symmetric solutions and symmetric equilibrium points. By utilizing numerical measures including one- and two-argument bifurcation diagrams, dynamical maps, Lyapunov exponent spectra, basins of attraction, and phase plane plots, we confirm that the proposed MBHNN model displays coexisting periodic and chaotic bubbles and coexisting symmetric attractors. In addition, based on the mathematical model, physical analog circuit is built and the corresponding PSIM circuit simulations are deployed to testify these numerically measured results.
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