A quasi-LMI approach to computing stabilizing parameter ranges of multi-loop PID controllers

Qing Guo Wang, Chong Lin, Zhen Ye, Guilin Wen, Yong He, Chang Chieh Hang

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

This paper addresses the problem of determining the parameter ranges of multi-loop PID (proportional-integral-derivative) controllers which stabilize a given process. An effective computational scheme is established by converting the considered problem to a quasi-LMI problem connected with robust stability test. The descriptor model approach is employed together with linearly parameter-dependent Lyapunov function method. Examples are given for illustration. The results are believed to facilitate real time tuning of multi-loop PID controllers for practical applications.

Original languageEnglish
Pages (from-to)59-72
Number of pages14
JournalJournal of Process Control
Volume17
Issue number1
DOIs
Publication statusPublished - Jan 2007
Externally publishedYes

Keywords

  • PID control
  • Robust stability
  • Uncertain systems

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Modeling and Simulation
  • Computer Science Applications
  • Industrial and Manufacturing Engineering

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