Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor

Abstract A two‐degrees‐of‐freedom (2DOF) dual‐rotor axial‐flux induction motor (2DOF‐DRAFIM) is proposed with independent movement capability of rotors and its performance is evaluated in detail. First, using the analytical equations, the steady‐state model of the motor is presented and the electric...

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Main Authors: Poria Soheili, Ahmad Darabi, Fazel Pourmirzaei Deylami
Format: Article
Language:English
Published: Wiley 2023-09-01
Series:IET Electric Power Applications
Subjects:
Online Access:https://doi.org/10.1049/elp2.12331
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author Poria Soheili
Ahmad Darabi
Fazel Pourmirzaei Deylami
author_facet Poria Soheili
Ahmad Darabi
Fazel Pourmirzaei Deylami
author_sort Poria Soheili
collection DOAJ
description Abstract A two‐degrees‐of‐freedom (2DOF) dual‐rotor axial‐flux induction motor (2DOF‐DRAFIM) is proposed with independent movement capability of rotors and its performance is evaluated in detail. First, using the analytical equations, the steady‐state model of the motor is presented and the electrical equivalent circuit is extracted along with an electromagnetic design algorithm for the proposed motor. In the next step, using two‐dimensional and three‐dimensional finite element modelling (FEM), the performance of the proposed motor is investigated. The results of the experimental measurements on the manufactured prototype confirm the validity of the results of theoretical modelling and finite element simulations. The proposed structure provides some unique features. One of the fascinating behaviours of the proposed 2DOF‐DRAFIM is that the higher‐speed rotor produces higher output torque and the lower‐speed rotor has lower torque. In this regard, the 2DOF structure can be considered a potential concept for electric vehicles (EVs) without needing a conventional mechanical differential.
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spelling doaj.art-6e5496fc321f41d8b7fcfb9dfe06d6122023-09-09T04:50:53ZengWileyIET Electric Power Applications1751-86601751-86792023-09-011791159116910.1049/elp2.12331Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motorPoria Soheili0Ahmad Darabi1Fazel Pourmirzaei Deylami2Faculty of Electrical Engineering Shahrood University of Technology Shahrood IranFaculty of Electrical Engineering Shahrood University of Technology Shahrood IranFaculty of Electrical Engineering Shahrood University of Technology Shahrood IranAbstract A two‐degrees‐of‐freedom (2DOF) dual‐rotor axial‐flux induction motor (2DOF‐DRAFIM) is proposed with independent movement capability of rotors and its performance is evaluated in detail. First, using the analytical equations, the steady‐state model of the motor is presented and the electrical equivalent circuit is extracted along with an electromagnetic design algorithm for the proposed motor. In the next step, using two‐dimensional and three‐dimensional finite element modelling (FEM), the performance of the proposed motor is investigated. The results of the experimental measurements on the manufactured prototype confirm the validity of the results of theoretical modelling and finite element simulations. The proposed structure provides some unique features. One of the fascinating behaviours of the proposed 2DOF‐DRAFIM is that the higher‐speed rotor produces higher output torque and the lower‐speed rotor has lower torque. In this regard, the 2DOF structure can be considered a potential concept for electric vehicles (EVs) without needing a conventional mechanical differential.https://doi.org/10.1049/elp2.123312DOF motorsaxial‐flux induction motorsequivalent circuitfinite element methodhybrid‐motion motors
spellingShingle Poria Soheili
Ahmad Darabi
Fazel Pourmirzaei Deylami
Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor
IET Electric Power Applications
2DOF motors
axial‐flux induction motors
equivalent circuit
finite element method
hybrid‐motion motors
title Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor
title_full Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor
title_fullStr Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor
title_full_unstemmed Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor
title_short Design and modelling of a two‐degrees‐of‐freedom dual‐rotor axial‐flux squirrel cage induction motor
title_sort design and modelling of a two degrees of freedom dual rotor axial flux squirrel cage induction motor
topic 2DOF motors
axial‐flux induction motors
equivalent circuit
finite element method
hybrid‐motion motors
url https://doi.org/10.1049/elp2.12331
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AT ahmaddarabi designandmodellingofatwodegreesoffreedomdualrotoraxialfluxsquirrelcageinductionmotor
AT fazelpourmirzaeideylami designandmodellingofatwodegreesoffreedomdualrotoraxialfluxsquirrelcageinductionmotor