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Analysis of Magnetizing Process of a New Anisotropic Bonded NdFeB Permanent Magnet Using FEM Combined With Jiles-Atherton Hysteresis Model

机译:有限元结合Jiles-Atherton磁滞模型分析新型各向异性粘结钕铁硼永磁体的磁化过程

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摘要

This paper proposes an algorithm to analyze the magnetizing process of a new anisotropic bonded NdFeB permanent magnet (PM) which is magnetized by a capacitor discharge impulse magnetizing fixture. In the algorithm, the magnetic field analysis and the prediction of the residual magnetic flux density are achieved by using the transient finite element method (FEM) incorporating the scalar Jiles-Atherton (J-A) hysteresis model. The validity of the suggested method is demonstrated by applying to a 4-pole ring-type anisotropic bonded NdFeB PM and comparing the numerical results with the experiment ones.
机译:本文提出了一种算法,用于分析新型各向异性粘结钕铁硼永磁体(PM)的磁化过程,该永磁体通过电容器放电脉冲励磁夹具进行磁化。在该算法中,通过使用包含标量吉尔斯-阿瑟顿(J-A)磁滞模型的瞬态有限元方法(FEM)来实现磁场分析和剩余磁通密度的预测。通过将其应用于四极环型各向异性粘结NdFeB PM并将数值结果与实验结果进行比较,证明了该方法的有效性。

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