Memristor-based neural network circuit with weighted sum simultaneous perturbation training and its applications

Cong Xu, Chunhua Wang, Yichuang Sun, Qinghui Hong , Quanli Deng, Haowen Chen

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Abstract

In this work, a full circuit of memristor-based neural network with weighted sum simultaneous perturbation training is proposed. Firstly, a synaptic circuit is designed by using a pair of memristors, which can represent negative, zero, and positive synaptic weights. Secondly, a full circuit of the neural network is designed, with all operations being completed on the circuit without any
computer aid. The neural network is trained with the weighted sum simultaneous perturbation algorithm. The algorithm does not involve complex derivative calculation and error back propagation, and it only applies perturbations to weighted sum, so the circuit implementation is more
simple. Finally, application simulations of the proposed neural network circuit are performed via PSpice. The results of simulation indicate that the memristor-based neural network is practical and effective.
Original languageEnglish
JournalNeurocomputing
Early online date20 Aug 2021
DOIs
Publication statusE-pub ahead of print - 20 Aug 2021

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