期刊
IEEE-CAA JOURNAL OF AUTOMATICA SINICA
卷 7, 期 1, 页码 158-168出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JAS.2019.1911630
关键词
Bounded power stochastic disturbance; discrete-time systems; H-2/H-infinity filtering; infinite horizon; multi-sensor; switched systems
资金
- Deanship of Scientific Research (DSR) at KFUPM through distinguished professorship project [161065]
This paper addresses an infinite horizon distributed H-2/H-infinity filtering for discrete-time systems under conditions of bounded power and white stochastic signals. The filter algorithm is designed by computing a pair of gains namely the estimator and the coupling. Herein, we implement a filter to estimate unknown parameters such that the closed-loop multi-sensor accomplishes the desired performances of the proposed H-2/H-infinity schemes over a finite horizon. A switched strategy is implemented to switch between the states once the operation conditions have changed due to disturbances. It is shown that the stability of the overall filtering-error system with H-2/H-infinity performance can be established if a piecewise-quadratic Lyapunov function is properly constructed. A simulation example is given to show the effectiveness of the proposed approach.
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