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A Study on the Design Process of a 1.8 kW In-Wheel Type AFPMSM Motor.

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Title: A Study on the Design Process of a 1.8 kW In-Wheel Type AFPMSM Motor.
Authors: Kim, Soo-Bum1 (AUTHOR), Hong, Min-Ki2 (AUTHOR), Kim, Hyo-Gu1,3 (AUTHOR), Ko, Seung-Hoon1 (AUTHOR), Kim, Won-Ho2,3 (AUTHOR) wh15@gachon.ac.kr
Source: Energies (19961073). Nov2025, Vol. 18 Issue 21, p5619. 25p.
Subjects: Power density, Design techniques, Electric motors, Finite element method, Brushless electric motors, Automotive engineering
Abstract: Axial Flux Permanent Magnet Synchronous Motor (AFPMSM) offers high power density in structures with short axial lengths and large radial dimensions, making it attractive for applications that require thin structures, such as in-wheel motors. This study proposes an AFPMSM design process applicable under fixed inner/outer diameter and axial length constraints. The proposed process is presented as step-by-step procedures: selection of pole/slot combinations, adjustment of slot depth, determination of stator/rotor dimensional ratios, and slot structure design. It is universally applicable to both bobbin-type rectangular wire windings and shoe-type round wire windings. The validity of the proposed process was verified through finite element method (FEM) analysis, and the differences between the two winding structures were examined through post-processing of the results. By presenting an AFPMSM design methodology that can be consistently applied under constrained spatial conditions, this study provides practical design guidelines for the development of in-wheel motors for next-generation mobility applications. [ABSTRACT FROM AUTHOR]
Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 189610878
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  Data: A Study on the Design Process of a 1.8 kW In-Wheel Type AFPMSM Motor.
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  Data: <searchLink fieldCode="DE" term="%22Power+density%22">Power density</searchLink><br /><searchLink fieldCode="DE" term="%22Design+techniques%22">Design techniques</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+motors%22">Electric motors</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Brushless+electric+motors%22">Brushless electric motors</searchLink><br /><searchLink fieldCode="DE" term="%22Automotive+engineering%22">Automotive engineering</searchLink>
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  Data: Axial Flux Permanent Magnet Synchronous Motor (AFPMSM) offers high power density in structures with short axial lengths and large radial dimensions, making it attractive for applications that require thin structures, such as in-wheel motors. This study proposes an AFPMSM design process applicable under fixed inner/outer diameter and axial length constraints. The proposed process is presented as step-by-step procedures: selection of pole/slot combinations, adjustment of slot depth, determination of stator/rotor dimensional ratios, and slot structure design. It is universally applicable to both bobbin-type rectangular wire windings and shoe-type round wire windings. The validity of the proposed process was verified through finite element method (FEM) analysis, and the differences between the two winding structures were examined through post-processing of the results. By presenting an AFPMSM design methodology that can be consistently applied under constrained spatial conditions, this study provides practical design guidelines for the development of in-wheel motors for next-generation mobility applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Energies (19961073) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/en18215619
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        Text: English
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        PageCount: 25
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        Type: general
      – SubjectFull: Design techniques
        Type: general
      – SubjectFull: Electric motors
        Type: general
      – SubjectFull: Finite element method
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      – SubjectFull: Brushless electric motors
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      – SubjectFull: Automotive engineering
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              M: 11
              Text: Nov2025
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              Y: 2025
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