Event-triggered nonlinear filtering for networked systems with correlated noises |
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Authors: | Li Li Mengfei Niu Hongjiu Yang Zhixin Liu |
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Institution: | School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China |
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Abstract: | This paper focuses on the filtering problem for nonlinear networked systems with event-triggered data transmission and correlated noises. An event-triggered data transmission mechanism is introduced to reduce excessive measurements transmitted over a bandwidth-constrained network. Considering that process noise and measurement noise are one-step cross-correlated, an UKF-based filtering algorithm which depends on correlation parameter and trigger threshold is presented. Then sufficient conditions are established to ensure stability of the designed filter, where a critical value of the correlation parameter exists. Finally, the effectiveness of the proposed filtering algorithm is demonstrated by comparative simulations. |
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Keywords: | Corresponding author |
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