Single-loop controller design via IMC principles

Qing Guo Wang, C. C. Hang, Xue Ping Yang

Research output: Contribution to journalArticlepeer-review

130 Citations (Scopus)

Abstract

In this paper, a new internal model control (IMC)-based single-loop controller design is proposed. The model reduction technique is employed to find the best single-loop controller approximation to the IMC controller. Compared with the existing IMC-based methods, the proposed design is applicable to a wider range of processes, and yields a control system closer to the IMC counterpart. It can be made automatic for on-line tuning. The users have the option to choose between PID and high-order controllers to suit the applications better. It turns out that high-order controllers may be necessary to achieve high performance for essentially high-order processes.

Original languageEnglish
Pages (from-to)2041-2048
Number of pages8
JournalAutomatica
Volume37
Issue number12
DOIs
Publication statusPublished - Dec 2001
Externally publishedYes

Keywords

  • IMC
  • Model reduction
  • On-line tuning
  • PID control
  • Single-loop control

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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