A high torque density, direct drive in-wheel motor for electric vehicles

  1. Lookup NU author(s)
  2. Chukwuma Ifedi
  3. Professor Barrie Mecrow
  4. James Widmer
  5. Glynn Atkinson
Author(s)Ifedi CJ, Mecrow BC, Widmer JD, Atkinson GJ, Brockway STM, Kostic-Perovic D
Editor(s)
Publication type Conference Proceedings (inc. Abstract)
Conference Name6th IET International Conference on Power Electronics, Machines and Drives (PEMD)
Conference LocationBristol, UK
Year of Conference2012
Legacy Date27-29 March 2012
Volume
Pages1-6
ISBN9781849196161
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The use of in-wheel motors as a source of propulsion for electric vehicles is particularly attractive because they offer new levels of controllability in the vehicle, whilst also freeing up space within the main body of the car. The in-wheel motor is housed in the rim, alongside existing mechanical brakes and suspension systems. This produces tight space constraints, so that the motor and drive electronics must both be power dense and compact. The motor must also offer high efficiency, lo w cogging torque and be intrinsically fail safe. This paper examines the design options for a direct drive in-wheel motor for use in passenger and light commercial vehicles. The study focuses on achieving high torque density whilst considering magnetic, mechanical, electrical and physical limitations posed on the motor.
PublisherIEEE
URLhttp://dx.doi.org/10.1049/cp.2012.0254
DOI10.1049/cp.2012.0254
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