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Axial Flux PM In-Wheel Motor for Electric Vehicles: 3D Multiphysics Analysis

Author

Listed:
  • Andrea Credo

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, Monteluco di Roio, 67100 L’Aquila, AQ, Italy)

  • Marco Tursini

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, Monteluco di Roio, 67100 L’Aquila, AQ, Italy)

  • Marco Villani

    (Department of Industrial and Information Engineering and Economics, University of L’Aquila, Monteluco di Roio, 67100 L’Aquila, AQ, Italy)

  • Claudia Di Lodovico

    (Spin Applicazioni Magnetiche Srl, Via F. Corselli n. 11, 29122 Piacenza, PC, Italy)

  • Michele Orlando

    (Spin Applicazioni Magnetiche Srl, Via F. Corselli n. 11, 29122 Piacenza, PC, Italy)

  • Federico Frattari

    (Spin Applicazioni Magnetiche Srl, Via F. Corselli n. 11, 29122 Piacenza, PC, Italy)

Abstract

The Axial Flux Permanent Magnet (AFPM) motor represents a valid alternative to the traditional radial flux motor due to its compact structure; it is suitable for in-wheel applications so that the transmission gear can be suppressed. The modeling of the motor is a purely Three-Dimensional (3D) problem and the use of 3D finite element tools allows the attainment of accurate results taking also into account the effects of the end-windings. Moreover, a 3D multiphysics analysis is essential to evaluate not only the motor performance and its thermal behavior, but also the electromagnetic forces acting on the surfaces of the stator teeth and of the magnets that face the air gap. Moreover, as the vehicle’s motors often work in variable-speed conditions, the prediction of vibrations and noise for electric motors over a wide speed range is usually necessary. The paper presents a double-sided AFPM motor for a small pure electric vehicle; the basic drive architecture includes four axial flux motors installed directly inside the vehicle’s wheels. The aim is to propose advanced and integrated electromagnetic, vibroacoustic and thermal analyses that allow the investigation of the axial flux motor behavior in a detailed and exhaustive way.

Suggested Citation

  • Andrea Credo & Marco Tursini & Marco Villani & Claudia Di Lodovico & Michele Orlando & Federico Frattari, 2021. "Axial Flux PM In-Wheel Motor for Electric Vehicles: 3D Multiphysics Analysis," Energies, MDPI, vol. 14(8), pages 1-18, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2107-:d:533346
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    References listed on IDEAS

    as
    1. Dong Li & Yinghong Wen & Weili Li & Bo Feng & Junci Cao, 2018. "Three-Dimensional Temperature Field Calculation and Analysis of an Axial-Radial Flux-Type Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 11(5), pages 1-21, May.
    2. Jianfei Zhao & Qingjiang Han & Ying Dai & Minqi Hua, 2019. "Study on the Electromagnetic Design and Analysis of Axial Flux Permanent Magnet Synchronous Motors for Electric Vehicles," Energies, MDPI, vol. 12(18), pages 1-21, September.
    3. Stanisław J. Hajnrych & Rafał Jakubowski & Jan Szczypior, 2020. "Yokeless Axial Flux Surface-Mounted Permanent Magnets Machine Rotor Parameters Influence on Torque and Back-Emf," Energies, MDPI, vol. 13(13), pages 1-15, July.
    4. Peng Gao & Yuxi Gu & Xiaoyuan Wang, 2018. "The Design of a Permanent Magnet In-Wheel Motor with Dual-Stator and Dual-Field-Excitation Used in Electric Vehicles," Energies, MDPI, vol. 11(2), pages 1-13, February.
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    Cited by:

    1. Changchuang Huang & Baoquan Kou & Xiaokun Zhao & Xu Niu & Lu Zhang, 2022. "Multi-Objective Optimization Design of a Stator Coreless Multidisc Axial Flux Permanent Magnet Motor," Energies, MDPI, vol. 15(13), pages 1-13, June.
    2. Akihisa Hattori & Toshihiko Noguchi & Hiromu Kamiyama, 2022. "High-Torque Density Design of Small Motors for Automotive Applications with Double Axial-Air-Gap Structures," Energies, MDPI, vol. 15(19), pages 1-20, October.
    3. Patxi Gonzalez & Garikoitz Buigues & Angel Javier Mazon, 2023. "Noise in Electric Motors: A Comprehensive Review," Energies, MDPI, vol. 16(14), pages 1-22, July.
    4. Giuseppe Fabri & Antonio Ometto & Marco Villani & Gino D’Ovidio, 2022. "A Battery-Free Sustainable Powertrain Solution for Hydrogen Fuel Cell City Transit Bus Application," Sustainability, MDPI, vol. 14(9), pages 1-16, April.

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