An autotuning controller for 2x2 interacting processes

K. A. Toh, R. Devanathan

Research output: Contribution to journalArticle

Abstract

An autotuning controller for a class of 2 X 2 interacting processes based on the pattern recognition technique is proposed. The autotuner uses the closed-loop process response patterns observed under multiloop interacting control with reference to their single-loop counterparts to obtain the desired tuning parameters. Customized identification techniques under both single-input single-output (SISO) and multi-input multi-output (MIMO) environments are developed for this application. The controller is tested for a range of 2-input 2-output multivariable processes that are characterized by the relative gain (RG) and relative dynamics. The time response of the autotuning controller is also compared favourably to that of the biggest log modulus tuning (BLT) method using the distillation column models proposed in the literature.

Original languageEnglish
Pages (from-to)53-58
Number of pages6
JournalControl and computers
Volume23
Issue number2
Publication statusPublished - 1995

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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