Nonlinear Semianalytical Model for Axial Flux Permanent-Magnet Machine. - Baocheng Guo; Yunlu Du; Zakarya Djelloul-Khedda; Fei Peng 002; Jianning Dong; Yunkai Huang; Frédéric Dubas; Kamel Boughrara (IEEE Trans. Ind. Electron., 2022)