Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles

In this paper, the model reference adaptive system (MRAS) method has been employed to observe speed in sensorless field-oriented control (FOC) with flux weakening (FW) and maximum torque per ampere (MTPA) operations for the interior permanent-magnet synchronous motor (IPMSM). This paper focuses on t...

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Main Authors: Aykut Bıçak, Ayetül Gelen
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Machines
Subjects:
Online Access:https://www.mdpi.com/2075-1702/11/9/871
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author Aykut Bıçak
Ayetül Gelen
author_facet Aykut Bıçak
Ayetül Gelen
author_sort Aykut Bıçak
collection DOAJ
description In this paper, the model reference adaptive system (MRAS) method has been employed to observe speed in sensorless field-oriented control (FOC) with flux weakening (FW) and maximum torque per ampere (MTPA) operations for the interior permanent-magnet synchronous motor (IPMSM). This paper focuses on the modified MRAS observer, which is based on the sigmoid function as a switching function and also the adaptive sliding mode coefficient. The sliding mode strategies are employed for the adaptation mechanism instead of the PI controller. The conventional PI-MRAS causes oscillations in rotor speed. To solve this problem, the modified adaptive super-twisting algorithm (STA)-based MRAS method is proposed by utilizing the sigmoid function. The proposed modified MRAS is compared to conventional methods. Additionally, it is examined for performance against the fast terminal sliding mode (FTSM), which is applied to the MRAS as an adaptation mechanism in terms of sliding mode strategies. The modified STA-MRAS is explored under the ECE and EUDC (Extra Urban Driving Cycle) drive cycles for electric vehicle applications. Finally, the obtained results show the validity and capability of the proposed adaptive STA-MRAS in terms of speed tracking.
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spelling doaj.art-df8b4e1dee0649628bce5a1ceda457312023-11-19T11:40:29ZengMDPI AGMachines2075-17022023-08-0111987110.3390/machines11090871Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric VehiclesAykut Bıçak0Ayetül Gelen1Department of Electrical and Electronics Engineering, Bursa Technical University, Bursa 16310, TurkeyDepartment of Electrical and Electronics Engineering, Bursa Technical University, Bursa 16310, TurkeyIn this paper, the model reference adaptive system (MRAS) method has been employed to observe speed in sensorless field-oriented control (FOC) with flux weakening (FW) and maximum torque per ampere (MTPA) operations for the interior permanent-magnet synchronous motor (IPMSM). This paper focuses on the modified MRAS observer, which is based on the sigmoid function as a switching function and also the adaptive sliding mode coefficient. The sliding mode strategies are employed for the adaptation mechanism instead of the PI controller. The conventional PI-MRAS causes oscillations in rotor speed. To solve this problem, the modified adaptive super-twisting algorithm (STA)-based MRAS method is proposed by utilizing the sigmoid function. The proposed modified MRAS is compared to conventional methods. Additionally, it is examined for performance against the fast terminal sliding mode (FTSM), which is applied to the MRAS as an adaptation mechanism in terms of sliding mode strategies. The modified STA-MRAS is explored under the ECE and EUDC (Extra Urban Driving Cycle) drive cycles for electric vehicle applications. Finally, the obtained results show the validity and capability of the proposed adaptive STA-MRAS in terms of speed tracking.https://www.mdpi.com/2075-1702/11/9/871model reference adaptive system (MRAS)super-twisting algorithm (STA)fast terminal sliding mode (FTSM)maximum torque per ampere (MTPA)interior permanent-magnet synchronous motor (IPMSM)electric vehicle (EV)
spellingShingle Aykut Bıçak
Ayetül Gelen
Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles
Machines
model reference adaptive system (MRAS)
super-twisting algorithm (STA)
fast terminal sliding mode (FTSM)
maximum torque per ampere (MTPA)
interior permanent-magnet synchronous motor (IPMSM)
electric vehicle (EV)
title Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles
title_full Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles
title_fullStr Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles
title_full_unstemmed Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles
title_short Modified Super-Twisting Algorithm-Based Model Reference Adaptive Observer for Sensorless Control of the Interior Permanent-Magnet Synchronous Motor in Electric Vehicles
title_sort modified super twisting algorithm based model reference adaptive observer for sensorless control of the interior permanent magnet synchronous motor in electric vehicles
topic model reference adaptive system (MRAS)
super-twisting algorithm (STA)
fast terminal sliding mode (FTSM)
maximum torque per ampere (MTPA)
interior permanent-magnet synchronous motor (IPMSM)
electric vehicle (EV)
url https://www.mdpi.com/2075-1702/11/9/871
work_keys_str_mv AT aykutbıcak modifiedsupertwistingalgorithmbasedmodelreferenceadaptiveobserverforsensorlesscontroloftheinteriorpermanentmagnetsynchronousmotorinelectricvehicles
AT ayetulgelen modifiedsupertwistingalgorithmbasedmodelreferenceadaptiveobserverforsensorlesscontroloftheinteriorpermanentmagnetsynchronousmotorinelectricvehicles