期刊
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
卷 34, 期 10, 页码 7467-7478出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNNLS.2022.3143884
关键词
Lyapunov methods; Numerical stability; Biological neural networks; Stability criteria; Analytical models; Synchronization; Neurons; Hybrid impulses; reaction-diffusion neural networks; vector Halanay-type inequality; vector Lyapunov function
This article focuses on stability analysis of delayed reaction-diffusion neural-network models with hybrid impulses. The Krasovskii-type theorems are established for sufficient conditions of exponential stability, allowing the existence of impulsive perturbation in some nodes and time. The effectiveness of theoretical results is verified by numerical examples with a successful application to image encryption.
This article focuses on stability analysis of delayed reaction-diffusion neural-network models with hybrid impulses based on the vector Lyapunov function. First, several properties of a vector Halanay-type inequality are given to be the key ingredient for the stability analysis. Then, the Krasovskii-type theorems are established for sufficient conditions of exponential stability, which removes the common threshold of impulses in each neuron subsystem at every impulse time. It shows that the stability of neural networks can be retained with hybrid impulses involved in neural networks, and the synchronization of neural networks can be achieved by designing an impulsive controller, which allows the existence of impulsive perturbation in some nodes and time. Finally, the effectiveness of theoretical results is verified by numerical examples with a successful application to image encryption.
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