A Locally Active Memristor Circuit and Its Application to a Coupled Hindmarsh-Rose Neuron Network
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摘要: 该文提出一种新型局部有源忆阻器，使用标准非线性理论分析方法分析其特性，并通过直流伏安特性曲线来证明其局部有源性。此外，将局部有源忆阻器用于模拟生物突触，构建了一个局部有源忆阻突触耦合HR神经元网络。理论分析和数值仿真表明，在局部有源忆阻突触的影响下它能够产生多种放电模式和复杂的混沌行为。最后，实现了该局部有源忆阻突触耦合神经网络的模拟等效电路，并由功率模拟(PSIM)电路仿真验证了数值仿真的正确性。Abstract: In this paper, a new locally active memristor is proposed. The characteristics and local activity of the memristor are analyzed by using standard nonlinear theory and the circuit theoretic technique direct current loci. Furthermore, the locally active memristor is used to simulate a biological synapse, then a locally active memristive synaptic coupled Hindmarsh-Rose (HR) neuron network is constructed. Theoretical analysis and numerical simulation show that the memristive neural network can generate multiple firing patterns and complex chaotic behaviors under the influence of locally active memristive synapses. Finally, the equivalent analog circuit of the memristive synaptic coupled neuron network is designed, and the correctness of numerical simulation is verified by Power SIMulation (PSIM) circuit simulations.
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Key words:
- Locally active memristor /
- Hindmarsh-Rose (HR) neuron model /
- Firing pattern /
- Chaos /
- Analog circuit
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