Distributed state and fault estimation of complex networks with time-varying topology

被引：0

作者：

Yuan, Luyang ^{[1
]}

Liu, Shiyang ^{[1
]}

Sheng, Li ^{[1
]}

机构：

[1] China Univ Petr East China, Coll Control Sci & Engn, Qingdao 266580, Peoples R China

来源：

2023 2ND CONFERENCE ON FULLY ACTUATED SYSTEM THEORY AND APPLICATIONS, CFASTA | 2023年

基金：

中国国家自然科学基金;

关键词：

Complex networks; Fault estimation; State estimation; Distributed estimator; Time-varying topology; SYNCHRONIZATION;

D O I：

10.1109/CFASTA57821.2023.10243126

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper studies the problems of state and fault estimation for a class of discrete-time complex networks with multiplicative fault and time-varying topology. The system state and actuator faults are augmented, and a suitable estimator is designed for each node. In order to obtain a more reliable estimation effect, a distributed estimator is designed, which only relies on information from local node and adjacent nodes. Then, by using inequality technique and mathematical induction, the upper bound of the estimated error covariance is obtained, and the filter gain is calculated to minimize the upper bound. Meanwhile, the filter is designed through solving recursive matrix equation. Besides, a sufficient condition for the existence of estimator is given. Finally, the effectiveness of the proposed method is verified by a simulation example.

引用

页码：550 / 555

页数：6

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