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This paper proposes a novel direct‐driving motor that successfully embeds a permanent magnet brushless motor (PMBM) into a concentric magnetic gear (CMG). The PMBM and CMG share a common high‐speed rotor. In order to reduce the flux harmonics and get high torque density, Halbach arrays are employed to arrange the PM's poles on each side of the rotor, which completely makes the internal PMBM field...
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