University of Hertfordshire

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A multi-stable memristor and its application in a neural network

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Original languageEnglish
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Early online date8 Jun 2020
DOIs
Publication statusE-pub ahead of print - 8 Jun 2020

Abstract

Nowadays, there is a lot of study on memristorbased systems with multistability. However, there is no study on memristor with multistability. This brief constructs a mathematical memristor model with multistability. The origin of the multi-stable dynamics is revealed using standard nonlinear theory as well as circuit and system theory. Moreover, the multi-stable memristor is applied to simulate a synaptic connection in a Hopfield neural network. The memristive neural network successfully generates infinitely many coexisting chaotic attractors unobserved in previous Hopfield-type neural networks. The results are also confirmed in analog circuits based on commercially available electronic elements.

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