Synchronization of Takagi–Sugeno Fuzzy Time-Delayed Stochastic Bidirectional Associative Memory Neural Networks Driven by Brownian Motion in Pre-Assigned Settling Time

Chengqiang Wang (), Xiangqing Zhao, Can Wang and Zhiwei Lv
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Chengqiang Wang: School of Mathematics, Suqian University, Suqian 223800, China
Xiangqing Zhao: School of Mathematics, Suqian University, Suqian 223800, China
Can Wang: School of Mathematics, Chengdu Normal University, Chengdu 611130, China
Zhiwei Lv: School of Mathematics, Suqian University, Suqian 223800, China

Mathematics, 2023, vol. 11, issue 17, 1-32

Abstract: We are devoted, in this paper, to the study of the pre-assigned-time drive-response synchronization problem for a class of Takagi–Sugeno fuzzy logic-based stochastic bidirectional associative memory neural networks, driven by Brownian motion, with continuous-time delay and (finitely and infinitely) distributed time delay. To achieve the drive-response synchronization between the neural network systems, concerned in this paper, and the corresponding response neural network systems (identical to our concerned neural network systems), we bring forward, based on the structural properties, a class of control strategies. By meticulously coining an elaborate Lyapunov–Krasovskii functional, we prove a criterion guaranteeing the desired pre-assigned-time drive-response synchronizability: For any given positive time instant, some of our designed controls make sure that our concerned neural network systems and the corresponding response neural network systems achieve synchronization, with the settling times not exceeding the pre-assigned positive time instant. In addition, we equip our theoretical studies with a numerical example, to illustrate that the synchronization controls designed in this paper are indeed effective. Our concerned neural network systems incorporate several types of time delays simultaneously, in particular, they have a continuous-time delay in their leakage terms, are based on Takagi–Sugeno fuzzy logic, and can be synchronized before any pre-given finite-time instant by the suggested control; therefore, our theoretical results in this paper have wide potential applications in the real world. The conservatism is reduced by introducing parameters in our designed Lyapunov–Krasovskii functional and synchronization control.

Keywords: bidirectional associative memory neural networks; pre-assigned-time synchronization; Takagi–Sugeno fuzzy logic; time delays; Lyapunov–Krasovskii functional (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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