MODEL UNCERTAINTY BOUND OF SOPDT AND ITS APPLICATION IN IMC CONTROLLER DESIGN FOR ROBUST PERFORMANCE

GONG Jianping; ZHU Fengcheng

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MODEL UNCERTAINTY BOUND OF SOPDT AND ITS APPLICATION IN IMC CONTROLLER DESIGN FOR ROBUST PERFORMANCE

更新时间：2025-12-10

- MODEL UNCERTAINTY BOUND OF SOPDT AND ITS APPLICATION IN IMC CONTROLLER DESIGN FOR ROBUST PERFORMANCE
- CIESC Journal Issue 5, (2001)
- 作者机构：
  
  北京化工大学自动化系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 May 2001，
  
  Published：25 May 2001
- 稿件说明：
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GONG Jianping, ZHU Fengcheng. MODEL UNCERTAINTY BOUND OF SOPDT AND ITS APPLICATION IN IMC CONTROLLER DESIGN FOR ROBUST PERFORMANCE[J]. CIESC Journal, 2001, (5).
DOI：

GONG Jianping, ZHU Fengcheng. MODEL UNCERTAINTY BOUND OF SOPDT AND ITS APPLICATION IN IMC CONTROLLER DESIGN FOR ROBUST PERFORMANCE[J]. CIESC Journal, 2001, (5). DOI：

摘要

Abstract

In the design of IMC controller or other robust controller for robust performance in process control application

one of the necessary conditions is model (or process) uncertainty bound. The method of calculating model (or process) uncertainty bound for the first order lag process with dead time (FOPDT) in the robust controller design is reported in literatures. Up to the now

however

no any analytical method of calculating model (or process) uncertainty bound can be used in the second order lag process with dead time (SOPDT). Therefore

the design of the IMC controller for robust performance used to SOPDT also can not be simply achieved.By using first order Pade approximation for the dead time

an analytical method of calculating model (or process) uncertainty bound for SOPDT in the robust controller design is given for the first time.By using this bound

IMC controller design for robust performance can be made satisfactorily.

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