Laguerre Identification Method Considering the Relative Order of the Estimated Model for Control Simulation

被引：0

作者：

Arai M. ^{[1
]}

Hirakoso N. ^{[2
]}

Shigematsu Y. ^{[2
]}

Hirama Y. ^{[2
]}

Kawabata H. ^{[3
]}

机构：

[1] TOA Industries Co., Ltd., 126-1, Nishishinmachi, Gunma, Ota

[2] National Institute Technology (KOSEN), Gunma College 580, Toribamachi, Maebashi, Gunma

[3] YAMATO Inc., 118, Furuichimachi, Maebashi, Gunma

来源：

IEEJ Transactions on Electronics, Information and Systems | 2021年 / 141卷 / 12期

关键词：

closed loop system; industrial controller; laguerre functions; PID control; system identification;

D O I：

10.1541/ieejeiss.141.1352

中图分类号：

学科分类号：

摘要：

Authors previously proposed a closed loop identification method based on Laguerre functions for an industrial controller with non-linear procedures. In this method, the controlled and manipulated variable are presented in the frequency domain using the orthonormality of the Laguerre functions. The estimated process model is described as their ratio. However, the estimated model has the relative order of 0, which is not suitable for simulation. This paper proposes a method to correct the estimated model to strictly proper model by partial fraction decomposition. The effectiveness of the proposed method is confirmed by PID control simulations for the corrected model and actual model. © 2021 The Institute of Electrical Engineers of Japan.

引用

页码：1352 / 1359

页数：7

共 12 条

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