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Teeth Arrangement and Pole–Slot Combination Design for PMLSM Detent Force Reduction

Author

Listed:
  • Shi-Uk Chung

    (Milwaukee Tool, Brookfield, WI 53005, USA)

  • Ji-Young Lee

    (Electric Machines and Drives Research Center, Korea Electrotechnology Research Institute (KERI), Changwon 51543, Korea
    Energy and Power Conversion Engineering, University of Science and Technology (UST), Seoul 51543, Korea)

Abstract

This paper introduces and investigates a new design method that employs both teeth arrangement and pole–slot combination to reduce the detent force of permanent magnet linear synchronous motors (PMLSMs) for precision position control. The proposed topology is a 10-pole, 12-slot-based PMLSM comprising two sections that significantly reduce the detent force without implementing a skewing design. It was analytically and experimentally confirmed that the proposed design effectively reduces detent force with a negligible sacrifice of mover length. The general characteristics and servo performance of the proposed PMLSM were experimentally examined and then discussed.

Suggested Citation

  • Shi-Uk Chung & Ji-Young Lee, 2021. "Teeth Arrangement and Pole–Slot Combination Design for PMLSM Detent Force Reduction," Energies, MDPI, vol. 14(23), pages 1-16, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:23:p:8141-:d:695284
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