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Robust H∞ state estimation for a class of complex networks with dynamic event-triggered scheme against hybrid attacks |
Yahan Deng(邓雅瀚), Zhongkai Mo(莫中凯)†, and Hongqian Lu(陆宏谦) |
School of Intelligent Systems Engineering, Guangxi City Vocational University, Chongzuo 532200, China |
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Abstract We investigate the dynamic event-triggered state estimation for uncertain complex networks with hybrid delays suffering from both deception attacks and denial-of-service attacks. Firstly, the effects of time-varying delays and finite-distributed delays are considered during data transmission between nodes. Secondly, a dynamic event-triggered scheme (ETS) is introduced to reduce the frequency of data transmission between sensors and estimators. Thirdly, by considering the discussed plant, dynamic ETS, state estimator, and hybrid attacks into a unified framework, this framework is transferred into a novel dynamical model. Furthermore, with the help of Lyapunov stability theory and linear matrix inequality techniques, sufficient condition to ensure that the system is exponentially stable and satisfies H∞ performance constraints is obtained, and the design algorithm for estimator gains is given. Finally, two numerical examples verify the effectiveness of the proposed method.
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Received: 23 May 2021
Revised: 18 June 2021
Accepted manuscript online: 28 June 2021
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PACS:
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05.45.Xt
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(Synchronization; coupled oscillators)
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02.30.Yy
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(Control theory)
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07.05.Dz
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(Control systems)
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Corresponding Authors:
Zhongkai Mo
E-mail: 14010002@qq.com
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Cite this article:
Yahan Deng(邓雅瀚), Zhongkai Mo(莫中凯), and Hongqian Lu(陆宏谦) Robust H∞ state estimation for a class of complex networks with dynamic event-triggered scheme against hybrid attacks 2022 Chin. Phys. B 31 020503
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