FOPID controllers and their industrial applications

A survey of recent results 1

Journal article (2018)

Authors

Aleksei Tepljakov Tallinn University of Technology
Baris Baykant Alagoz Inonu University
Celaleddin Yeroglu Inonu University
Emmanuel A. Gonzalez Schindler Elevator Corporation
S. Hassan HosseinNia Mechatronic Systems Design - Mechanical, Maritime and Materials Engineering
Eduard Petlenkov Tallinn University of Technology
Research Group
Mechatronic Systems Design (Mechanical, Maritime and Materials Engineering) (TU Delft)
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Published Date

2018

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Precision and Microsystems Engineering

Research Group

Mechatronic Systems Design

Abstract

The interest towards using Fractional-order (FO) PID controllers in the industry is mainly fueled by the fact that these controllers have two additional “tuning knobs” that can be used to adjust the control law in a way that would benefit the control loop. However, there are certain points that are rarely addressed in literature, namely: (1) What are the particular advantages (in concrete numbers) of FOPID controllers versus conventional, integer-order (IO) PID controllers in the light of complexities arising in the implementation of the former? (2) For real-time implementation of FOPID controllers, approximations are used that are equivalent to high order linear controllers. What, then, is the benefit of using FOPID controllers? In the present paper, we attempt to address these issues by reviewing recent literature in the field and by providing relevant analysis and recommendations.

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