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16 June 2023 Design and cogging torque optimization of yokeless and segmented armature disc motor
Chengyu Nie, Yanfeng Tian, Jixin Zhang
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Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 126390T (2023) https://doi.org/10.1117/12.2681812
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China
Abstract
Axial flux motor has the advantages of short axial size, flat and compact structure, high efficiency and power density, and has a very broad application prospect in electric vehicle drive, wind power generation and other fields. In this paper, a drive motor for electric vehicles with a power of 25 kW, rated voltage of 200 V and rated speed of 3000 rpm is designed by using the yokeless and segmented armature (YASA) disk structure. Some size formulas are given, and its output characteristics are analyzed. And then, the cogging torque is reduced by the method of the permanent magnet skewing pole and the stator shoe shifting. Finally, the finite element 3-D model and calculation are built by ANSYS. The results show that the electromagnetic scheme design is reasonable, and also verify the availability of the permanent magnet skewing pole and the stator shoe shifting to suppress the cogging torque, which has reference significance for the research of YASA motor.
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Chengyu Nie, Yanfeng Tian, and Jixin Zhang "Design and cogging torque optimization of yokeless and segmented armature disc motor", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 126390T (16 June 2023); https://doi.org/10.1117/12.2681812
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KEYWORDS
Magnetism
Design and modelling
Electromagnetism
3D modeling
Composites
Finite element methods
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