期刊
CHAOS SOLITONS & FRACTALS
卷 176, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2023.114162
关键词
Competitive neural networks; Finite-time boundedness property; Dissipative performance measure; Semi-discretization approach; Linear matrix inequality
This article focuses on the investigation of finite-time boundedness and exponential (Q, S, R)-dissipative performance for a class of discretized competitive neural networks (CNNs) with time-varying delays. By using the semi-discretization technique, a discrete analog of the continuous-time CNNs is formulated and a state estimator is developed to achieve finite-time exponential (Q, S, R)-dissipative performance. Two novel weighted summation inequalities are proposed to obtain a tighter summation bound. An illustrative example is provided to demonstrate the sustainability and merits of the proposed method.
This article is concerned with the investigation of finite-time boundedness and exponential (Q, S, R)-dissipative performance for a class of discretized competitive neural networks (CNNs) with time-varying delays. Initially, by employing the semi-discretization technique, a discrete analog of the continuous-time CNNs is formulated, which preserves the dynamical behaviors of their continuous-time counterpart. An appropriate state estimator is developed for the discretized CNNs so that the dynamics of the associated estimation error system attain finite-time exponential (Q, S, R)-dissipative performance. Further, to obtain a tighter summation bound, two novel weighted summation inequalities are proposed, which linearize the quadratic summable terms occurring in the finite difference of the considered Lyapunov-Krasovskii functional. Finally, to refine our prediction, an illustrative example is provided that demonstrates the sustainability and merits of the proposed method.
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