Smith Predictor Based Fractional-Order-Filter PID Controllers Design for Long Time Delay Systems

Maamar Bettayeb, Rachid Mansouri*, Ubaid Al-Saggaf, Ibrahim Mustafa Mehedi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)

Abstract

In this paper, an original model-based analytical method is developed to design a fractional order controller combined with a Smith predictor and a modified Smith predictor that yield control systems which are robust to changes in the process parameters. This method can be applied for integer order systems and for fractional order ones. Based on the Bode's ideal transfer function, the fractional order controllers are designed via the internal model control principle. The simulation results demonstrate the successful performance of the proposed method for controlling integer as well as fractional order linear stable systems with long time delay.

Original languageEnglish
Pages (from-to)587-598
Number of pages12
JournalAsian Journal of Control
Volume19
Issue number2
DOIs
Publication statusPublished - 1 Mar 2017
Externally publishedYes

Keywords

  • Fractional order controller, PID controllers, FO-PID controllers, Smith predictor, long time delay fractional order system, internal model control, Bode's ideal transfer function

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