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Design and Analysis of Dual‐Magnet BLDCM for Momentum Wheel
Author(s) -
Xiao Yunfeng,
Xu Kang,
Liu Qiang
Publication year - 2021
Publication title -
ieej transactions on electrical and electronic engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.254
H-Index - 30
eISSN - 1931-4981
pISSN - 1931-4973
DOI - 10.1002/tee.23301
Subject(s) - magnet , stator , air gap (plumbing) , torque , finite element method , magnetic flux , dual (grammatical number) , permanent magnet motor , physics , control theory (sociology) , magnetic circuit , mechanical engineering , electrical engineering , computer science , magnetic field , engineering , materials science , art , literature , control (management) , artificial intelligence , quantum mechanics , composite material , thermodynamics
To obtain the larger output torque and the higher stability speed accuracy, a novel dual‐magnet brushless DC motor is proposed, and its structure is introduced. The mathematical model is established by the equivalent surface current method, and the magnetic circuit is analyzed by finite element method. The radial and tangential air gap magnetic flux densities of the dual‐magnet scheme are larger and less than that of the ironless stator and the Halbach array schemes, respectively. The theoretical calculation and simulation results are verified by prototype experiments. © 2020 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.