Dynamics analysis, synchronization and FPGA implementation of multiscroll Hopfield neural networks with non-polynomial memristor

F Yu, X Kong, W Yao, J Zhang, S Cai, H Lin… - Chaos, Solitons & …, 2024 - Elsevier
The number of attractors in a memristor-based multiscroll Hopfield Neural Network (HNN) is
typically coupled with the number of polynomials, which leads to a coupling between the …

Memristive Hopfield neural network dynamics with heterogeneous activation functions and its application

Q Deng, C Wang, H Lin - Chaos, Solitons & Fractals, 2024 - Elsevier
Activation functions play a crucial in emulating biological neurons within artificial neural
networks. However, the exploration of neural networks composed of various activation …

Chaotic dynamical system of Hopfield neural network influenced by neuron activation threshold and its image encryption

Q Deng, C Wang, H Lin - Nonlinear Dynamics, 2024 - Springer
In the field of artificial neural networks, researchers often use the hyperbolic tangent function
as an activation function to imitate the firing rules of biological neurons and to add nonlinear …

Modeling and hardware implementation of a class of Hamiltonian conservative chaotic systems with transient quasi-period and multistability

F Yu, Y Yuan, C Wu, W Yao, C Xu, S Cai, C Wang - Nonlinear Dynamics, 2024 - Springer
Compared with dissipative chaotic systems, conservative chaotic systems are more suitable
for secure communication based on chaos. In this paper, an effective method for …

Dynamics of heterogeneous Hopfield neural network with adaptive activation function based on memristor

C Wang, J Liang, Q Deng - Neural Networks, 2024 - Elsevier
Memristor and activation function are two important nonlinear factors of the memristive
Hopfield neural network. The effects of different memristors on the dynamics of Hopfield …

Dynamical behaviors in discrete memristor-coupled small-world neuronal networks

J Lu, X Xie, Y Lu, Y Wu, C Li, M Ma - Chinese Physics B, 2024 - iopscience.iop.org
The brain is a complex network system in which a large number of neurons are widely
connected to each other and transmit signals to each other. The memory characteristic of …

Memristor-based circuit design of episodic memory neural network and its application in hurricane category prediction

Q Wan, J Liu, T Liu, K Sun, P Qin - Neural Networks, 2024 - Elsevier
Episodic memory, as a type of long-term memory (LTM), is used to learn and store the
unique personal experience. Based on the episodic memory biological mechanism, this …

Dynamic analysis and hardware implementation of multi-scroll Hopfield neural networks with three different memristor synapses

F Yu, C Wu, Y Lin, S He, W Yao, S Cai, J Jin - Nonlinear Dynamics, 2024 - Springer
Neurons play an important role in forming behaviors and cognition through synaptic
interactions. When organized into neural networks, these neurons can exhibit complex …

Complexity enhancement and grid basin of attraction in a locally active memristor-based multi-cavity map

Q Zhao, H Bao, X Zhang, H Wu, B Bao - Chaos, Solitons & Fractals, 2024 - Elsevier
The complexity of memristive chaotic systems determines whether it is suitable for
applications in different subjects. To enhance complexity both in performance and diversity …

A novel memristive synapse-coupled ring neural network with countless attractors and its application

S Zhang, Y Li, D Lu, C Li - Chaos, Solitons & Fractals, 2024 - Elsevier
This paper presents a novel memristive synapse-coupled ring neural network (MSCRNN)
through introducing a nonvolatile memristor into a three-neuron Hopfield neural network …