Synaptic device for artificial neural network and artificial neural network

A technology of artificial neural network and synaptic device, applied in the field of synaptic device and artificial neural network, can solve the problems of reducing the accuracy rate of artificial neural network and affecting the reliability of artificial neural network training, etc.

Active Publication Date: 2015-02-25
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will affect the reliability of the artificial neural network trai...

Method used

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  • Synaptic device for artificial neural network and artificial neural network
  • Synaptic device for artificial neural network and artificial neural network
  • Synaptic device for artificial neural network and artificial neural network

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Embodiment Construction

[0024] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the following embodiments are illustrative rather than exhaustive, and are only used to illustrate the principle of the present invention, but not intended to limit the scope of the present invention.

[0025] image 3 schematically shows a synaptic device W according to an embodiment of the present invention i ’ and the schematic diagram of the circuit connection when it is trained. The synaptic device W i ’ is connected to the reset voltage V and the other to neuron 1. Such as image 3 As shown, the synaptic device W i ’ consists of two synaptic units U connected in parallel 1 and U 2 . synaptic unit U 1 including the first RRAM resistive switch device R connected in series 1 and the first rectifying device D 1 , the synaptic unit U 2 comprising a second RRAM resistive switch device R connected in series 2 and the se...

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Abstract

The invention provides a synaptic device for an artificial neural network. The artificial neural network comprises multiple neurons which are connected through a synaptic device array, the synaptic device array comprises multiple synaptic devices, and two or three or more synaptic devices are connected in parallel. The invention further provides the artificial neural network including the synaptic devices.

Description

technical field [0001] The present invention relates to synaptic devices and artificial neural networks for artificial neural networks. Background technique [0002] An artificial neural network is a device that imitates a biological neural network. It applies machine learning algorithms and can be used to complete tasks such as recognition and classification of various types of information such as images and sounds. In general, an artificial neural network may include a plurality of neurons and an array of synaptic devices for interconnecting the neurons with each other. As an example, figure 1 Neuron 1 and the two synapse devices W1 and W2 connected thereto are schematically shown. respectively via the synaptic device W 1 and W 2 The other two neurons (not shown) connected to neuron 1 use X for the excitation signal of neuron 1 1 and x 2 express. Neuron 1 can be implemented, for example, with conventional CMOS circuits. Synaptic device W 1 and W 2 For example, it...

Claims

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Application Information

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IPC IPC(8): G06N3/06
Inventor 康晋锋毕颖杰龙云高滨陈冰刘晓彦
Owner PEKING UNIV
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