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首页> 外文期刊>Journal of Mechanical Science and Technology >Optimal design to reduce torque ripple of IPM motor with radial based function meta-model considering design sensitivity analysis
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Optimal design to reduce torque ripple of IPM motor with radial based function meta-model considering design sensitivity analysis

机译：考虑设计敏感性分析，用径向函数元模型减少IPM电动机扭矩脉动的最佳设计

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摘要

In this study, optimum design process to reduce a torque ripple was presented for an interior permanent magnet (IPM) type electric traction motor. Firstly, 2-D electromagnetic finite element analysis was conducted to analyze the characteristics of the torque ripple in a view of magnetic saturation as well as cogging torque. Then, design factors of stator shape and rotor shape affecting to the torque ripple was selected as design variables. Secondly, using selected design variables, sensitivity analysis was performed to select design variable more affecting to the torque ripple and output torque by using design of experiments method. Thirdly, radial based function meta-model was constructed based on the results of the design of experiments (DOE). Finally, the optimum design was performed by using the constructed meta-model and method of feasible direction. By using the presented optimum design process, it is confirmed that the torque ripple of the optimum design was reduced to compare with the initial design and that output torque performance of the optimum design was maintained.
机译：在该研究中，为内部永磁体（IPM）型电牵引电动机提出了用于减小扭矩纹体的最佳设计方法。首先，进行了2-D电磁有限元分析以分析磁饱和度以及齿槽扭矩中的扭矩纹波的特性。然后，选择定子形状和转子形状的设计因素，影响扭矩纹波的设计变量作为设计变量。其次，使用所选设计变量，通过使用实验方法的设计来执行灵敏度分析以选择对扭矩纹波和输出扭矩的更大影响。第三，基于实验设计（DOE）的结果构建径向基函数元模型。最后，通过使用所构造的元模型和可行方向的方法进行最佳设计。通过使用所提出的最佳设计过程，确认最佳设计的扭矩脉动降低以与初始设计进行比较，并且保持最佳设计的输出扭矩性能。

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