Subspace Identification of Closed-loop Errors-in-variables Systems

被引：0

作者：

Geng, Li-Hui ^{[1
]}

Ayele, Terefe Bayisa ^{[1
]}

Liu, Jin-Cang ^{[1
]}

机构：

[1] Tianjin Univ Technol & Educ, Sch Automat & Elect Engn, Tianjin Key Lab Informat Sensing & Intelligent Co, Tianjin 300222, Peoples R China

来源：

PROCEEDINGS OF THE 32ND 2020 CHINESE CONTROL AND DECISION CONFERENCE (CCDC 2020) | 2020年

关键词：

Subspace identification; Closed-loop; Errors-in-variables system; Coprime factor;

D O I：

暂无

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 an identification method for errors-in-variables (EIV) systems governed by an observer based state feedback control law. Due to the input and output measurement noises, traditional identification methods are typically inapplicable in most cases. In order to estimate such a closed-loop EIV system, a coprime factor (CF) model for the true plant is first identified from the available reference, input and output measurements by using the subspace identification method and then a plant estimation model is able to be extracted from the identified CF model. Finally, a numerical simulation is given to show the effectiveness of the studied identification method.

引用

页码：1562 / 1566

页数：5

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