Shape optimization of flexible PCB slotless windings in BLDC machines

Baudart, François;Dehez, Bruno;Denies, Jonathan;Markovic, Miroslav;Perriard, Yves
(2013) 2013 International Conference on Electrical Machines and Systems (ICEMS) — Location: Buzan, Korea (26.October.2013)

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Authors
  • Baudart, FrançoisUCLouvain
    Author
  • Dehez, BrunoUCLouvain
    Author
  • Denies, JonathanUCLouvain
    Author
  • Markovic, MiroslavEcole Polytechnique Fédérale de Lausanne
    Author
  • Perriard, YvesEcole Polytechnique Fédérale de Lausanne
    Author
Abstract
Windings printed on flexible circuit board (Flex-PCB) offers the opportunity to improve significantly the performance of slotless BLDC motors since, compared with windings made from copper wire, they may have more complex shapes in addition to a variable conductor cross-section along the winding loops. This paper focuses on the shape optimization of windings printed on FlexPCB using a genetic algorithm. It shows that a gain of about 15% on the motor performance can be reached with windings presenting an elaborated shape compared to windings with a basic shape, similar to that encountered in conventional wire windings.
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Baudart, F., Dehez, B., Denies, J., Markovic, M., & Perriard, Y. (2013). Shape optimization of flexible PCB slotless windings in BLDC machines. Electrical Machines and Systems (ICEMS), 2013 International Conference on, p. 943 - 948. https://doi.org/10.1109/ICEMS.2013.6754395