PID controller design of MIMO systems by using coefficient diagram method

Masaya Sasaki, Kazuyuki Mori, HeeHyol Lee, Michio Miyazaki

Research output: Contribution to journalArticle

Abstract

In multivariable systems, controlled variables interact each other in general. Therefore it is difficult for the classical control theory such as PID control to control multivariable systems. The Nyquist Array method as the practical design technique has been used for the long time. However the method becomes fairly complicated when we design a precompensator and PID controller. Therefore we propose the PID controller design method for multivariable systems which can realize PID control relatively easily in view of utility. We design a compensator which meets the diagonal dominance using Real Code Genetic Algorithms. Next, we design the PID controller using Coefficient Diagram Method which takes simultaneously good balance of stability, response, and robustness by using coefficient diagram. Finally, the effectiveness of the proposed method is confirmed with the simulation results.

Original languageEnglish
JournalIEEJ Transactions on Electronics, Information and Systems
Volume132
Issue number9
DOIs
Publication statusPublished - 2012

Fingerprint

MIMO systems
Controllers
Multivariable systems
Three term control systems
Multivariable control systems
Control theory
Genetic algorithms

Keywords

  • Coefficient Diagram Method
  • Decoupling Control
  • Genetic Algorithms
  • MIMO Systems
  • PID Control

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

PID controller design of MIMO systems by using coefficient diagram method. / Sasaki, Masaya; Mori, Kazuyuki; Lee, HeeHyol; Miyazaki, Michio.

In: IEEJ Transactions on Electronics, Information and Systems, Vol. 132, No. 9, 2012.

Research output: Contribution to journalArticle

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