神经振荡器模型中具有S形电流-电压特性的开关元件
Switch Elements with S-Shaped Current-Voltage Characteristic in Models of Neural Oscillators
摘要：
在本文中，我们提出了一种基于开关元件的电路解决方案与S型I-V特性实现使用经典的FitzHugh-Nagumo和FitzHugh-Rinzel模型。使用所提出的简化电路允许建模的集成和消防神经元和突发振荡模式与哺乳动物冷受体模式的仿真。利用负微分电阻（NDR）稳定段的NbO 2开关和负微分电阻不稳定段的VO 2开关的实验I-V特性，考虑阈值特性的温度依赖性，对电路进行了研究。研究结果与现代神经电子学有关，对神经动力学模型在电路设计和脑机接口中的引入具有实际意义。所提出的微分方程系统的分段线性近似的S型I-V特性可能是科学的兴趣，进一步的分析和数值研究和神经网络与人工智能的发展。
英文摘要：
In this paper, we present circuit solutions based on a switch element with the S-type I-V characteristic implemented using the classic FitzHugh-Nagumo and FitzHugh-Rinzel models. Using the proposed simplified electrical circuits allows the modeling of the integrate-and-fire neuron and burst oscillation modes with the emulation of the mammalian cold receptor patterns. The circuits were studied using the experimental I-V characteristic of an NbO2 switch with a stable section of negative differential resistance (NDR) and a VO2 switch with an unstable NDR, considering the temperature dependences of the threshold characteristics. The results are relevant for modern neuroelectronics and have practical significance for the introduction of the neurodynamic models in circuit design and the brain-machine interface. The proposed systems of differential equations with the piecewise linear approximation of the S-type I-V characteristic may be of scientific interest for further analytical and numerical research and development of neural networks with artificial intelligence.
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