Wu, Shuanglong, Shuguang Zuo, Xudong Wu, Fu Lin, and Jian Shen. 2021. “Magnet Modification to Reduce Pulsating Torque for Axial Flux Permanent Magnet Synchronous Machines”. Applied Computational Electromagnetics Society Journal (ACES) 31 (03):294-303. https://journals.riverpublishers.com/index.php/ACES/article/view/10205.