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Structural behavior evaluation of an in-wheel motor based on numerical and experimental approach

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Abstract

This paper describes the structural behavior of a permanent magnet synchronous machine (PMSM), used to propel a light electric vehicle, namely an electric scooter. The motor’s topology is with outer rotor (in-wheel motor). Since the rotor and the stator iron cores are under electromagnetic force influence, both parts have their own influence on the overall behavior of the PMSM, and for this reason, here they will be separately analyzed. This analysis is carried out in order to observe the mode shapes of the PMSMS, involved by radial forces. These mode shapes represent, in part, the image of the vibration and noise produced by the PMSM. The analysis is carried out by using LMS Virtual.Lab software; with this tool, based on appropriate discretization, one can investigate, on a larger frequency range, the mode shapes of the PMSM’ structure. Next, the experimental mode shapes are experimentally evaluated by performing the so-called impact testing. The comparison of the numerical and experimental results depicts the consistency of the research and indicates the behavior of the studied structure in specific operating conditions.

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Acknowledgements

This work was supported by a Grant of the Romanian National Authority for Scientific Research and Innovation, CNCS—UEFISCDI, 38BG/2016.

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Authors and Affiliations

  1. Electrical Machines and Drives Department, Technical University of Cluj-Napoca, 28 Memorandumului, 400114, Cluj-Napoca, Romania

    Claudia Violeta Pop & D. Fodorean

  2. Siemens Industry Software, 13A Bld. Gării, Brasov, 500203, Brasov, Romania

    C. Husar & C. Irimia

Authors
  1. Claudia Violeta Pop
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  2. D. Fodorean
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  3. C. Husar
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  4. C. Irimia
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Correspondence to Claudia Violeta Pop.

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Pop, C.V., Fodorean, D., Husar, C. et al. Structural behavior evaluation of an in-wheel motor based on numerical and experimental approach. Electr Eng 102, 65–74 (2020). https://doi.org/10.1007/s00202-019-00774-0

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  • DOI: https://doi.org/10.1007/s00202-019-00774-0

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