1. Liao, Y.: Torque ripple suppression of permanent magnet synchronous motor by the harmonic injection. Proc. CESS 31(21), 119–127 (2011)
2. Yang, H.: Electromagnetic vibration analysis and suppression of permanent magnet synchronous motor with fractional slot combination. Proc. CESS 31(24), 83–89 (2011)
3. Jia, H.: Cogging torque compensation for flux-switching permanent magnet motor based on current harmonics injection. Proc. CESS 291(27), 83–89 (2009)
4. Zhu, Z., Xia, Z., Wu, L., Jewell, G.: Analytical modeling and finite-element computation of radial vibration force in fractional-slot permanent-magnet brushless machines. IEEE Trans. Ind. Appl. 46, 1–5 (2010)
5. Zhu, Z.: Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machine. IEEE Trans. Magn. 38(1), 229–238 (2002)