A frequency response identification method for discrete-time processes with cyclic steady state conditions

被引：9

作者：

Kim, Kyungsu ^{[1
]}

Cheon, Yu Jin ^{[2
]}

Lee, In-Beum ^{[3
]}

Lee, Jietae ^{[4
]}

Sung, Su Whan ^{[4
]}

机构：

[1] SKC, Film Res & Dev Ctr, Suwon 440841, South Korea

[2] Hyundai Heavy Ind, Adv Technol Inst, Yongin 446912, South Korea

[3] Pohang Univ Sci & Technol, Dept Chem Engn, Pohang 790784, South Korea

[4] Kyungpook Natl Univ, Dept Chem Engn, Taegu 702701, South Korea

来源：

AUTOMATICA | 2014年 / 50卷 / 12期

关键词：

Fourier transform; Frequency response; Nonparametric identification; Process identification; Autotuning; IMPROVED FOURIER-TRANSFORM; SYSTEMS; DOMAIN; PHASE;

D O I：

10.1016/j.automatica.2014.10.052

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 new frequency response identification method is presented to estimate frequency responses of discrete-time linear time-invariant processes. It provides multiple exact frequency response data set for any desired frequencies. The proposed method is applicable to all the process data types of both initial/final steady state, initial steady state/final cyclic steady state, initial cyclic steady state/final steady state and both initial/final cyclic steady state. Also, it completely removes the effect of static disturbances and shows acceptable robustness to measurement noises. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：3260 / 3267

页数：8

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