Memristor-based multi-synaptic spiking neuron circuit for spiking neural network

被引:6
|
作者
Jiang, Wenwu [1 ]
Li, Jie [1 ]
Liu, Hongbo [1 ]
Qian, Xicong [1 ]
Ge, Yuan [1 ]
Wang, Lidan [1 ,2 ,3 ,4 ]
Duan, Shukai [1 ,2 ,3 ,4 ]
机构
[1] Southwest Univ, Coll Artificial Intelligence, Chongqing 400715, Peoples R China
[2] Natl & Local Joint Engn Lab Intelligent Transmiss, Chongqing 400715, Peoples R China
[3] Brain Inspired Comp & Intelligent Control Chongqi, Chongqing 400715, Peoples R China
[4] Chongqing Brain Sci Collaborat Innovat Ctr, Chongqing 400715, Peoples R China
基金
中国国家自然科学基金;
关键词
memristor; multi-synaptic circuit; spiking neuron; spiking neural network (SNN); CMOS; MODEL;
D O I
10.1088/1674-1056/ac380b
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Spiking neural networks (SNNs) are widely used in many fields because they work closer to biological neurons. However, due to its computational complexity, many SNNs implementations are limited to computer programs. First, this paper proposes a multi-synaptic circuit (MSC) based on memristor, which realizes the multi-synapse connection between neurons and the multi-delay transmission of pulse signals. The synapse circuit participates in the calculation of the network while transmitting the pulse signal, and completes the complex calculations on the software with hardware. Secondly, a new spiking neuron circuit based on the leaky integrate-and-fire (LIF) model is designed in this paper. The amplitude and width of the pulse emitted by the spiking neuron circuit can be adjusted as required. The combination of spiking neuron circuit and MSC forms the multi-synaptic spiking neuron (MSSN). The MSSN was simulated in PSPICE and the expected result was obtained, which verified the feasibility of the circuit. Finally, a small SNN was designed based on the mathematical model of MSSN. After the SNN is trained and optimized, it obtains a good accuracy in the classification of the IRIS-dataset, which verifies the practicability of the design in the network.
引用
收藏
页数:9
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