Design and implementation of anti-windup controller based on stated feedback H control theory

Ryo Watanabe, Akiyuki Matsui, Kenko Uchida

Research output: Contribution to journalArticle

Abstract

In the control of an actual plant, there commonly exists a constraint on the control input caused by mechanical constraint on the actuator or in order to protect the plant. This constraint usually exerts an adverse effect on control performance, called windup phenomenon. Anti-windup technique is known as one of the most effective techniques to prevent such windup phenomenon. In this paper, we propose a new design of anti-windup controller based on state feedback H control theory. This design consists of representation of an anti-windup controller that includes a free parameter, and decision of the free parameter by using state feedback H control theory. We also discuss the problem on discretization of an anti-windup controller in implementation. In a numerical case study, we demonstrate the performance of the proposed anti-windup controller by computer simulation.

Original languageEnglish
Pages (from-to)33-41
Number of pages9
JournalElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
Volume124
Issue number1
Publication statusPublished - 1998

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Control theory
Feedback
Controllers
State feedback
Actuators
Computer simulation

Keywords

  • Control input constraints
  • Left coprime factorization
  • State feedback H control
  • Windup

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

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abstract = "In the control of an actual plant, there commonly exists a constraint on the control input caused by mechanical constraint on the actuator or in order to protect the plant. This constraint usually exerts an adverse effect on control performance, called windup phenomenon. Anti-windup technique is known as one of the most effective techniques to prevent such windup phenomenon. In this paper, we propose a new design of anti-windup controller based on state feedback H∞ control theory. This design consists of representation of an anti-windup controller that includes a free parameter, and decision of the free parameter by using state feedback H∞ control theory. We also discuss the problem on discretization of an anti-windup controller in implementation. In a numerical case study, we demonstrate the performance of the proposed anti-windup controller by computer simulation.",
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