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Description
With the growing prevalence of electrical propulsion technology in aerospace and new energy applications, high-temperature superconducting (HTS) motors have garnered substantial interest due to their high efficiency and power density. Among these, axial flux motors (AFMs) stand out for their compact design and superior efficiency, positioning them as a promising candidate for future electrical propulsion systems. However, traditional design methodologies for AFMs often necessitate complex three-dimensional (3D) finite element analysis (FEA), which entails significant computational costs. To mitigate this issue, this paper introduces a novel 2.5D design approach that dramatically reduces computational time. This method is further enhanced by integrating the NSGA-II algorithm to optimize the design of a 1-MW HTS axial flux motor. The optimized AFM is then compared with a 1-MW HTS radial flux motor through finite element validation. The results provide essential theoretical insights and technical support for the application of HTS motors in electrical propulsion, highlighting the potential of AFMs as a viable solution for next-generation propulsion systems.