Event-triggered nonlinear filtering for networked systems with correlated noises. (English) Zbl 1451.93240
Summary: 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.
MSC:
| 93C65 | Discrete event control/observation systems |
| 93E11 | Filtering in stochastic control theory |
| 93B70 | Networked control |
| 93C10 | Nonlinear systems in control theory |
Keywords:
nonlinear networked systems; event-triggered data transmission; correlated noises; filteringReferences:
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