Dianning Wu, Zhongyuan Yang, 2015, Study of Methods for Cogging Torque Reduction in Permanent Magnet Machines, 4th International Conference on Computer, Mechatronics, Control and Electronic Engineering, pp. 809-813

Young-Un Park, Ju-Hee Cho, Dae-kyong Kim, 06 July 2015, Cogging Torque Reduction of Single-Phase Brushless DC Motor With a Tapered Air-Gap Using Optimizing Notch Size and Position, IEEE Transactions on Industry Applications, pp. 4455-4463

Guang Ma, Guoli Li, Rui Zhou, Xiwen Guo, Lufeng Ju, Fang Xie, 05 October 2017, Effect of stator and rotor notches on cogging torque of permanent magnet synchronous motor, 2017 20th International Conference on Electrical Machines and Systems (ICEMS)

Hsing-Cheng Yu, Bo-Syun Yu, Jen-te Yu, Cheng-Kai Lin, Nov. 2014, 02 December 2014, A Dual Notched Design of Radial-Flux Permanent Magnet Motors with Low Cogging Torque and Rare Earth Material, IEEE Transactions on Magnetics, Vol. 50, No. 11

J.-Y. Lee, J.-H. Chang, D.-H. Kang, S.-I. Kim, and J.-P. Hong, Apr 2007, Tooth shape optimization for cogging torque reduction of transverse flux rotary motor using design of experiment and response surface methodology, IEEE Trans. Magn., Vol. 43, No. 4, pp. 1817-1820