%0 Journal Article %T Research on torque increase of permanent magnet direct-drive motor based on permeance harmonic enhancement %A Ren, Jiawei %A Quan, Li %A Zhu, Xiaoyong %A Xiang, Zixuan %A Fan, Deyang %J Electrical Engineering %V OnlineFirst %P 1-11 %@ 0948-7921 %D 2025-05-27 %I Springer Berlin Heidelberg %~ DeepDyve