Design of an axial-flux permanent magnet machine for a solar-powered electric vehicle

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Abstract

This paper concerns the design optimization of two axial-flux permanent magnet (AFPM) machines, aimed to be used as a direct drive in-wheel motor for the propulsion of a solar-powered electric vehicle. The internal stator twin external rotor AFPM machine topology having either a distributed or toroidal stator winding configuration is investigated. The objective of the design optimization is to minimize the total volume of the machine. A gradient-based optimization algorithm is employed on a non-linear 2D equivalent motor model. The motor model consists of coupled electromagnetic and thermal models based on an Isogeometric Analysis (IGA) approach. A wide range of pole-pair numbers are optimized and compared in terms of power density and efficiency. Finally, the radius to evaluate the 2D model as a function of the pole-pair number is given, which minimizes the discrepancy with respect to the 3D finite element method (FEM).
Original languageEnglish
Title of host publication2018 Thirteenth International Conference on Ecological Vehicles and Renewable Energies (EVER)
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages5
ISBN (Electronic)978-1-5386-5966-3
ISBN (Print)78-1-5386-5967-0
DOIs
Publication statusPublished - 21 May 2018
Event13th International Conference on Ecological Vehicles and Renewable Energies (EVER 2018) - Grimaldi Forum, Monte-Carlo, Monaco
Duration: 10 Apr 201812 Apr 2018
Conference number: 18
http://conference.evermonaco.com/

Conference

Conference13th International Conference on Ecological Vehicles and Renewable Energies (EVER 2018)
Abbreviated titleEVER
CountryMonaco
CityMonte-Carlo
Period10/04/1812/04/18
Internet address

Keywords

  • automotive applications
  • design optimization
  • permanent magnet motors
  • rotating machines
  • splines

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