Event-triggered state estimation for networked systems with correlated noises and packet losses

被引：19
作者：
Zhu, Cui [1 ]
Su, Zhong [2 ]
Xia, Yuanqing [3 ]
Li, Li [4 ]
Dai, Juan [2 ]
机构：
[1] Beijing Informat Sci & Technol Univ, Sch Informat & Commun Engn, Beijing 100101, Peoples R China
[2] Beijing Informat Sci & Technol Univ, Beijing Key Lab High Dynam Nav Technol, Beijing 100101, Peoples R China
[3] Beijing Inst Technol, Sch Automat, Beijing 100081, Peoples R China
[4] Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
来源：
ISA TRANSACTIONS | 2020年 / 104卷
基金：
中国国家自然科学基金;
关键词：
Networked system; Event-triggered communication; State estimation; Correlated noises; Packet losses; NONLINEAR-SYSTEMS; STABILITY; FILTER; FUSION;
D O I：
10.1016/j.isatra.2019.11.038
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The event-triggered state estimation for the systems suffering from correlated noises and packet losses is considered. A communication mechanism that determines the measurements to be sent or not depending on a specific event-triggered condition is presented to reduce the additional data transmissions. Then a novel event-triggered state estimator related to the trigger threshold and correlation coefficient is proposed. An expected trade-off between the rate of transmission and the estimator performance can be obtained through adjusting the threshold properly, and the influence of noise correlation and packet losses is weakened effectively. The estimator performance is evaluated and certain boundedness conditions for the covariance expectation are obtained. Finally, a target tracking system is supplied to support the relevant results. (C) 2019 Published by Elsevier Ltd on behalf of ISA.
引用
收藏
页码：36 / 43
页数：8
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