Torque characteristics of SPM-FS machines with functional-contour salient pole rotors considering manufacturing error

Z Zhang, W Hua, P Wang, W Yu, M Hu… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
To suppress high cogging torque and torque ripple of stator-permanent magnet flux-
switching (SPM-FS) machines, three functional-contour salient pole rotors (FSPRs) are …