D. -K. Hong, J. -G. Lee, and Y. -H. Jeong, “Design and Performance Analysis of Class Axial Flux Permanent Magnet type Electric Motor for Underwater Vehicle,” KIEE Summer Conf., pp. 1517-1518, 2024.

J. -T. Park, T. -W. Lee, D. -K. Hong, and J. -H. Chang, “Magnetic–Mechanical Performance Analysis and Experimental Validation of Noncontact Coaxial Magnetic Gear for a Contra-Rotating Propeller in an Electric Outboard,” in IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 1-5, Feb. 2021. DOI : 10.1051/e3sconf/202340104007.

A. Cavagnino, M. Lazzari, F. Profumo, and A. Tenconi, “A Comparion Between the Axial Flux and the RAdial Flux Structures for PM Synchronous Motors,” IEEE Trans. Ind. Appl., vol. 38, no. 6, pp. 1517-1524, Nov./Dec. 2002. DOI : 10.1051/e3sconf/202340104007.

C. P. Allen, “Design of a Brushless A.C. Servo- motor using Neodymium Iron Boron Permanent Magnet Material,” Master of Engineering Thesis, Dubin City University, 1988.

P. L. Alger, “The Nature of Polyphase Induction Machines,” Wiley, 1951.

S. Huang, J. Luo, F. Leonardi, and T. A. Lipo, “Comparison of Power Density for Axial Flux Machines Based on General Purpose Sizing Equations,” in IEEE Trans. on Energy Conversion, vol. 14, no. 2, pp. 185–192. 1999. DOI : 10.1109/60.766982.

L. Shao, R. Navaratne, M. Popescu, and G. Liu, “Design and Construction of Axial-Flux Permanent Magnet Motors for Electric Propulsion Applications—A Review,” in IEEE Access, vol. 9, pp. 158998-159017, 2021. DOI : 10.1109/ACCESS.2021.3131000.

D. K. Hong, J. H. Park, and Y. H. Jeong, “Comprehensive Analysis of Dual-Rotor Yokeless Axial-Flux Motor with Surface-Mounted and Halbach Permanent Magnet Array for Urban Air Mobility,” Energies 2024, vol. 17, no. 1, 30, 2024. DOI : 10.3390/en17010030.

Y. Liu, Z. Zhang, C. Wang, W. Geng, and T. Yang, “Design and Analysis of Oil-Immersed Cooling Stator With Nonoverlapping Concentrated Winding for High-Power Ironless Stator Axial-Flux Permanent Magnet Machines,” in IEEE Trans. Ind. Electron., vol. 68, no. 4, pp. 2876-2886, April 2021. DOI : 10.1109/TIE.2020.2978694.