Time-delay identification in dynamic processes with disturbance via correlation analysis

被引：22

作者：

Li, Li-Juan ^{[1
]}

Dong, Ting-Ting ^{[1
]}

Zhang, Shu ^{[1
]}

Zhang, Xiao-Xiao ^{[1
]}

Yang, Shi-Ping ^{[1
]}

机构：

[1] Nanjing Tech Univ, Coll Elect Engn & Control Sci, Nanjing 210009, Jiangsu, Peoples R China

来源：

CONTROL ENGINEERING PRACTICE | 2017年 / 62卷

基金：

中国国家自然科学基金;

关键词：

Time-delay estimation; Dynamic; Disturbance; Correlation; Wood-Berry process; PARAMETER-ESTIMATION; ONLINE IDENTIFICATION; FEEDBACK-CONTROL; MODEL-REDUCTION; PID CONTROLLER; SYSTEMS; OPTIMIZATION; STEP;

D O I：

10.1016/j.conengprac.2017.03.007

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A time-delay identification algorithm in closed-loop dynamic processes with disturbance based on maximum correlation analysis was proposed in this paper. To denoise the output data, the response of process disturbance was first estimated on routine data and then eliminated from the output. Next the incremental denoising process data were proposed to be used against the influence of system dynamic on the time-delay estimation. The correlations between the incremental input and different delayed output were computed and the delayed time corresponding to the maximum correlation was identified as the time-delay. The application in the Wood Berry process and an industrial process showed the validity of the proposed algorithm.

引用

页码：92 / 101

页数：10

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