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Zhang, Zhenning; Mu, Xiaowu; Hu, Zenghui

Synchronization of stochastic memristive neural networks via event-triggered impulsive control. (English) Zbl 07843575

Int. J. Adapt. Control Signal Process. 38, No. 1, 279-304 (2024).
Summary: This paper investigates the synchronization problem for master-slave stochastic memristive neural networks (SMNNs) with time-delay via event-triggered impulsive control (ETIC). Firstly, a novel ETIC method is designed for SMNNs to realize quasi-synchronization in mean square sense. Different from time-triggered impulsive control (TTIC) in the existing results on SMNNs, the proposed event-triggered method determines impulsive instants based on the real-time system states, which can reduce redundant impulses. Compared with the existing ETIC for deterministic memristive neural networks (MNNs), the proposed event-triggered mechanism (ETM) can exclude Zeno behavior completely by adding the waiting time, when stochastic disturbances occur in MNNs. Secondly, if the master SMNNs have nonzero control inputs, an adaptive-impulsive hybrid controller with ETM is designed to realize almost surely exponential synchronization. Under the ETM, the number of transmitted events is reduced, then control resources can be saved. Zeno behavior can be excluded in almost sure sense. Ultimately, simulations are presented to illustrate the validity of the obtained results.
© 2023 John Wiley & Sons Ltd.

MSC:

93C27 Impulsive control/observation systems
93A14 Decentralized systems
93C40 Adaptive control/observation systems
93E15 Stochastic stability in control theory

Keywords:

adaptive control; event-triggered mechanism; impulsive control; stochastic memristive neural networks
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References:

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