Indirect drive in-wheel system for HEV/EV traction

Y. Tang, J.J.H. Paulides, I.J.M. Besselink, F. Gardner, E.A. Lomonova

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

4 Citations (Scopus)
5 Downloads (Pure)


In-wheel traction allows simplicity and freedom for the design of hybrid-electric/electric vehicle (HEV/EV). However, the in-wheel motor increases the unsprung mass and hence deteriorates ride co fort and reduces the road holding capability of the car. To solve these problems, this paper proposes an indirect drive in-wheel traction system including a light-weight in-wheel drive and a specially designed rear suspension. A prototype of the in-wheel drive is designed based on the vehicle model of Volkswagen (VW) Lupo 3L. The prototype analysis shows that the proposed in-wheel system gives a balanced distribution of the vehicle weight and thus improves ride comfort. Design principles of the electrical motor used for this in-wheel system is further investigated. By reducing the permanent magnet height, the field weakening capability of a 24-slot 8-pole surface permanent magnet synchronous motor is visibly improved.
Original languageEnglish
Title of host publicationProceedings of the 27th International Electric Vehicle Symposium & Exhibition (EVS27), 17-20 November 2013, Barcelona, Spain
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Electronic)9781479938322
Publication statusPublished - 2013
Event27th International Electric Vehicle Symposium and Exhibition (EVS 2013) - Barcelona, Spain
Duration: 17 Nov 201320 Nov 2013
Conference number: 27


Conference27th International Electric Vehicle Symposium and Exhibition (EVS 2013)
Abbreviated titleEVS 2013
Internet address


  • field weakening
  • in-wheel traction
  • motor design
  • rear suspension
  • unsprung mass


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