Journal
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
Volume 32, Issue 9, Pages 3909-3918Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNNLS.2020.3016120
Keywords
H-infinity state estimation; activation function; Lyapunov-Krasovskii functional (LKF); mixed delays
Categories
Funding
- National Natural Science Foundation of China [61973105]
- Innovation Scientists and Technicians Troop Construction Projects of Henan Province [CXTD2016054]
- Zhongyuan High Level Talents Special Support Plan [ZYQR201912031]
- Fundamental Research Funds for the Universities of Henan Province [NSFRF170501]
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This article presents a method for H-infinity state estimation of neural networks with mixed delays, utilizing novel delay-product Lyapunov-Krasovskii functional with parameterized delay interval. By applying generalized free-weighting-matrix integral inequality and a more general activation function, a more accurate estimator model is obtained. The sufficient conditions derived confirm the asymptotic stability of the estimation error system with prescribed H-infinity performance.
This article deals with H-infinity state estimation of neural networks with mixed delays. In order to make full use of delay information, novel delay-product Lyapunov-Krasovskii functional (LKF) by using parameterized delay interval is first constructed. Then, generalized free-weighting-matrix integral inequality is used to estimate the derivative of LKF to reduce the conservatism. Also, a more general activation function is further applied by combining with parameterized delay interval in order to obtain a more accurate estimator model. Finally, sufficient conditions are derived to confirm that the estimation error system is asymptotically stable with a prescribed H-infinity performance. Numerical examples are simulated to show the benefits of our proposed method.
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