Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator

The performance of conventional repetitive controller (RC) deteriorates under frequency variations and system uncertainties. Due to limited bandwidth, it is also a trivial task to stabilize the conventional RC. This paper proposes a higher-order repetitive controller (HORC) with linear phase lead as...

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Main Authors: Mohsin Jamil, Asim Waris, Syed Omer Gilani, Bilal A. Khawaja, Muhammad Nasir Khan, Ali Raza
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8993799/
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author Mohsin Jamil
Asim Waris
Syed Omer Gilani
Bilal A. Khawaja
Muhammad Nasir Khan
Ali Raza
author_facet Mohsin Jamil
Asim Waris
Syed Omer Gilani
Bilal A. Khawaja
Muhammad Nasir Khan
Ali Raza
author_sort Mohsin Jamil
collection DOAJ
description The performance of conventional repetitive controller (RC) deteriorates under frequency variations and system uncertainties. Due to limited bandwidth, it is also a trivial task to stabilize the conventional RC. This paper proposes a higher-order repetitive controller (HORC) with linear phase lead as a stabilizing compensator and zero-phase tracking error (ZPTE) compensator. The periodic signal generator, used by the HORC, offers relatively high gains in the neighborhood of tuned frequency and its harmonics. Stability conditions for higher-order repetitive (HOR) control system, including the phase lead compensator, are presented. The proposed solution is applied to repetitive current control of a two-level grid-connected inverter. Simulation and experimental results show that the HORC designed using the phase lead compensation is robust to frequency variation in reference/disturbance and system uncertainties.
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spelling doaj.art-56b01bb132a943319aeeefdec46203632022-12-21T18:20:04ZengIEEEIEEE Access2169-35362020-01-018306033061410.1109/ACCESS.2020.29731688993799Design of Robust Higher-Order Repetitive Controller Using Phase Lead CompensatorMohsin Jamil0https://orcid.org/0000-0002-8835-2451Asim Waris1https://orcid.org/0000-0002-0190-0700Syed Omer Gilani2https://orcid.org/0000-0001-5654-7863Bilal A. Khawaja3https://orcid.org/0000-0003-1537-5502Muhammad Nasir Khan4https://orcid.org/0000-0003-1416-4199Ali Raza5https://orcid.org/0000-0003-0947-3616Department of Electrical Engineering, Faculty of Engineering, Islamic University of Madinah, Madinah, Saudi ArabiaDepartment of Robotics, School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad, PakistanDepartment of Robotics, School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad, PakistanDepartment of Electrical Engineering, Faculty of Engineering, Islamic University of Madinah, Madinah, Saudi ArabiaDepartment of Electrical Engineering, University of Lahore, Lahore, PakistanDepartment of Electrical Engineering, University of Lahore, Lahore, PakistanThe performance of conventional repetitive controller (RC) deteriorates under frequency variations and system uncertainties. Due to limited bandwidth, it is also a trivial task to stabilize the conventional RC. This paper proposes a higher-order repetitive controller (HORC) with linear phase lead as a stabilizing compensator and zero-phase tracking error (ZPTE) compensator. The periodic signal generator, used by the HORC, offers relatively high gains in the neighborhood of tuned frequency and its harmonics. Stability conditions for higher-order repetitive (HOR) control system, including the phase lead compensator, are presented. The proposed solution is applied to repetitive current control of a two-level grid-connected inverter. Simulation and experimental results show that the HORC designed using the phase lead compensation is robust to frequency variation in reference/disturbance and system uncertainties.https://ieeexplore.ieee.org/document/8993799/Repetitive controllerfrequency variationhigher-order repetitive controllerphase lead
spellingShingle Mohsin Jamil
Asim Waris
Syed Omer Gilani
Bilal A. Khawaja
Muhammad Nasir Khan
Ali Raza
Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator
IEEE Access
Repetitive controller
frequency variation
higher-order repetitive controller
phase lead
title Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator
title_full Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator
title_fullStr Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator
title_full_unstemmed Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator
title_short Design of Robust Higher-Order Repetitive Controller Using Phase Lead Compensator
title_sort design of robust higher order repetitive controller using phase lead compensator
topic Repetitive controller
frequency variation
higher-order repetitive controller
phase lead
url https://ieeexplore.ieee.org/document/8993799/
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AT bilalakhawaja designofrobusthigherorderrepetitivecontrollerusingphaseleadcompensator
AT muhammadnasirkhan designofrobusthigherorderrepetitivecontrollerusingphaseleadcompensator
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