PLC-based Discrete Fractional-order Control Design for an Industrial-Oriented Water Tank Volume System with Input Delay

We present PLC-based fractional-order controller design for an industrial-oriented water tank volume control application. The system comprises input delay which is a typified characteristic in such industrial process control applications. The particular contribution of this work is on discrete fract...

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Bibliographic Details
Published in:Fractional calculus & applied analysis Vol. 21; no. 4; pp. 1005 - 1026
Main Authors: Mystkowski, Arkadiusz, Zolotas, Argyrios
Format: Journal Article
Language:English
Published: Warsaw Versita 01.08.2018
De Gruyter
Nature Publishing Group
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ISSN:1311-0454, 1314-2224
Online Access:Get full text
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Summary:We present PLC-based fractional-order controller design for an industrial-oriented water tank volume control application. The system comprises input delay which is a typified characteristic in such industrial process control applications. The particular contribution of this work is on discrete fractional-order PID implementation via PLC and its application to the aforementioned realistic water tank test bed. Stability and robustness properties of fractional-order discrete PID feedback-loops for different approximation methods and orders are also shown. Fractional-order controllers are obtained for a variety of stability margin choices, and benefits of the non-integer-order controllers compared to the integer-order PID control are illustrated via simulation and experimental runs on a realistic test-bed.
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ISSN:1311-0454
1314-2224
DOI:10.1515/fca-2018-0055