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Design and Performance Characterization of the E-Core Outer-Rotor Hybrid-Excitation Flux Switching Machine.

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Title: Design and Performance Characterization of the E-Core Outer-Rotor Hybrid-Excitation Flux Switching Machine.
Authors: Xu, Zhiyuan1 (AUTHOR) zyxu@seu.edu.cn, Cheng, Ming1 (AUTHOR) mcheng@seu.edu.cn
Source: Energies (19961073). Feb2025, Vol. 18 Issue 3, p629. 18p.
Subjects: Air gap flux, Modulation theory, Actinic flux, Airports, Genetic algorithms, Air gap (Engineering)
Abstract: This paper proposes an E-core outer-rotor hybrid-excitation flux switching (OR-HEFS) machine for in-wheel direct driving application. According to the general air gap field modulation theory, the magneto-motive force (MMF) permeance model was established to investigate the air gap flux density, and then the torque generation, the flux regulation principle, and the excitation-winding-induced voltage of the E-core OR-HEFS machine were analyzed. To characterize the output performances, the influence of the design parameters was investigated for the E-core OR-HEFS machine, including the split ratio, stator tooth arc, PM arc, fault-tolerant tooth arc, rotor tooth arc, stator yoke width and rotor yoke width. The performances contained the output torque, torque ripple, flux regulation ratio, and the excitation-winding-induced voltage. On this basis, the aforementioned four performances were optimized by means of the non-dominated sorting genetic algorithm II (NSGA-II). Based on the optimization result, a prototype was manufactured and tested to verify the whole investigation of this paper. [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
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  Data: Design and Performance Characterization of the E-Core Outer-Rotor Hybrid-Excitation Flux Switching Machine.
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  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Zhiyuan%22">Xu, Zhiyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zyxu@seu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Cheng%2C+Ming%22">Cheng, Ming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mcheng@seu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2025, Vol. 18 Issue 3, p629. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Air+gap+flux%22">Air gap flux</searchLink><br /><searchLink fieldCode="DE" term="%22Modulation+theory%22">Modulation theory</searchLink><br /><searchLink fieldCode="DE" term="%22Actinic+flux%22">Actinic flux</searchLink><br /><searchLink fieldCode="DE" term="%22Airports%22">Airports</searchLink><br /><searchLink fieldCode="DE" term="%22Genetic+algorithms%22">Genetic algorithms</searchLink><br /><searchLink fieldCode="DE" term="%22Air+gap+%28Engineering%29%22">Air gap (Engineering)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper proposes an E-core outer-rotor hybrid-excitation flux switching (OR-HEFS) machine for in-wheel direct driving application. According to the general air gap field modulation theory, the magneto-motive force (MMF) permeance model was established to investigate the air gap flux density, and then the torque generation, the flux regulation principle, and the excitation-winding-induced voltage of the E-core OR-HEFS machine were analyzed. To characterize the output performances, the influence of the design parameters was investigated for the E-core OR-HEFS machine, including the split ratio, stator tooth arc, PM arc, fault-tolerant tooth arc, rotor tooth arc, stator yoke width and rotor yoke width. The performances contained the output torque, torque ripple, flux regulation ratio, and the excitation-winding-induced voltage. On this basis, the aforementioned four performances were optimized by means of the non-dominated sorting genetic algorithm II (NSGA-II). Based on the optimization result, a prototype was manufactured and tested to verify the whole investigation of this paper. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  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/en18030629
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      – Code: eng
        Text: English
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        PageCount: 18
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      – SubjectFull: Air gap flux
        Type: general
      – SubjectFull: Modulation theory
        Type: general
      – SubjectFull: Actinic flux
        Type: general
      – SubjectFull: Airports
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      – SubjectFull: Genetic algorithms
        Type: general
      – SubjectFull: Air gap (Engineering)
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      – TitleFull: Design and Performance Characterization of the E-Core Outer-Rotor Hybrid-Excitation Flux Switching Machine.
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              M: 02
              Text: Feb2025
              Type: published
              Y: 2025
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