Fractional filter IMC-TDD controller design for integrating processes

A modified internal model control (IMC) with fractional-order tilt double derivative controller (FOTDD) is proposed for integrating processes. This method is extended for all three types of process models, namely, integrating plus time delay process (IPTD), double integrating plus time delay process...

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Main Authors: Anjana Ranjan, Utkal Mehta
Format: Article
Language:English
Published: Elsevier 2022-09-01
Series:Results in Control and Optimization
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666720722000339
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author Anjana Ranjan
Utkal Mehta
author_facet Anjana Ranjan
Utkal Mehta
author_sort Anjana Ranjan
collection DOAJ
description A modified internal model control (IMC) with fractional-order tilt double derivative controller (FOTDD) is proposed for integrating processes. This method is extended for all three types of process models, namely, integrating plus time delay process (IPTD), double integrating plus time delay process (DIPTD) and integrating plus first order plus time delay process (IFOPTD). The feedback controller is designed in an IMC framework that can quickly obtain from the plant parameters. Then, the fractional IMC filter can be tuned from the obtained explicit expressions for easy access in practice. A numerical study is conducted with various examples from literature for all types of integrating models. The results are compared with current methods in terms of setpoint tracking, disturbance rejections and parameter perturbation. Even considering a fractional-order derivative controller, the results demonstrated a simple, robust structure with fewer tuning parameters.
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spelling doaj.art-4d0ade47bcb046ca813fd3d688013fc72022-12-22T03:17:46ZengElsevierResults in Control and Optimization2666-72072022-09-018100155Fractional filter IMC-TDD controller design for integrating processesAnjana Ranjan0Utkal Mehta1Electrical and Electronics Engineering at the University of the South Pacific, Laucala Campus, Suva, FijiCorresponding author.; Electrical and Electronics Engineering at the University of the South Pacific, Laucala Campus, Suva, FijiA modified internal model control (IMC) with fractional-order tilt double derivative controller (FOTDD) is proposed for integrating processes. This method is extended for all three types of process models, namely, integrating plus time delay process (IPTD), double integrating plus time delay process (DIPTD) and integrating plus first order plus time delay process (IFOPTD). The feedback controller is designed in an IMC framework that can quickly obtain from the plant parameters. Then, the fractional IMC filter can be tuned from the obtained explicit expressions for easy access in practice. A numerical study is conducted with various examples from literature for all types of integrating models. The results are compared with current methods in terms of setpoint tracking, disturbance rejections and parameter perturbation. Even considering a fractional-order derivative controller, the results demonstrated a simple, robust structure with fewer tuning parameters.http://www.sciencedirect.com/science/article/pii/S2666720722000339Fractional IMC filterIntegrating processDouble integrating processDisturbance rejectionTilt derivative
spellingShingle Anjana Ranjan
Utkal Mehta
Fractional filter IMC-TDD controller design for integrating processes
Results in Control and Optimization
Fractional IMC filter
Integrating process
Double integrating process
Disturbance rejection
Tilt derivative
title Fractional filter IMC-TDD controller design for integrating processes
title_full Fractional filter IMC-TDD controller design for integrating processes
title_fullStr Fractional filter IMC-TDD controller design for integrating processes
title_full_unstemmed Fractional filter IMC-TDD controller design for integrating processes
title_short Fractional filter IMC-TDD controller design for integrating processes
title_sort fractional filter imc tdd controller design for integrating processes
topic Fractional IMC filter
Integrating process
Double integrating process
Disturbance rejection
Tilt derivative
url http://www.sciencedirect.com/science/article/pii/S2666720722000339
work_keys_str_mv AT anjanaranjan fractionalfilterimctddcontrollerdesignforintegratingprocesses
AT utkalmehta fractionalfilterimctddcontrollerdesignforintegratingprocesses