期刊
INFORMATION SCIENCES
卷 509, 期 -, 页码 304-316出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2019.08.063
关键词
Complex networks; Dynamic event-triggered mechanisms; Randomly occurring sensor saturations; H-infinity state estimation; Non-fragile state estimation
资金
- King Abdulaziz University, Jeddah [RG-15-135-40]
- National Natural Science Foundation of China [61573316, 61873082, 61873148]
- Alexander von Humboldt Foundation of Germany
- DSR
In this paper, the problem of non-fragile H-infinity state estimation is investigated for a class of discrete-time complex networks subject to randomly occurring sensor saturations (ROSSs) under a dynamic event-triggered mechanism (DETM). The ROSS phenomenon is taken into account in the network measurements as a reflection of the probabilistic limitation of the physical sensors, and the DETM is implemented to govern the signal transmission from the sensor to its corresponding state estimator. The objective of the problem addressed is to design an H-infinity non-fragile state estimator under the DETM that can tolerate the possible gain perturbations, thereby possessing the desired non-fragility. By constructing a novel Lyapunov function, a sufficient condition is established such that the estimation error dynamics is exponentially mean-square stable with a prescribed H-infinity performance level, and then the estimator gains are parameterized according to certain matrix inequalities. A simulation example is provided to demonstrate the effectiveness of the proposed state estimation scheme. (C) 2019 Elsevier Inc. All rights reserved.
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