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Comparison of Limiting Loop Model and Elemental Operator Model for Magnetic Hysteresis of Ferromagnetic Materials

机译：铁磁材料磁滞的极限环模型与元素算子模型的比较

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摘要

This paper introduces a comparative study of two different hysteresis models, limiting loop model and elemental operator model. The former is regarded as a mathematical approach based on the traditional Preisach model. To circumvent the difficulty of determining the distribution function in the Preisach model, the data of the limiting hysteresis loop and a function transform on the Preisach diagram are employed. The latter is a physical method which adopts a vectorial elemental operator with biaxial anisotropy based on the magnetization mechanisms of the ferromagnetic material. These two models are analyzed and compared in terms of the underlying principle, numerical implementation, and calculation accuracy in this paper. To verify the introduced models, the magnetic properties of non-oriented silicon steel Lycore-140 and soft magnetic composite material Somaloy 500 under alternating excitations are measured and compared with simulated results, which show the validity and practicability of the models but with different calculation accuracy and speed.
机译：本文介绍了两种不同的磁滞模型的比较研究，极限环模型和元素算子模型。前者被认为是基于传统Preisach模型的数学方法。为了避免在Preisach模型中确定分布函数的困难，采用了极限磁滞回线的数据和Preisach图上的函数变换。后者是一种物理方法，该方法基于铁磁材料的磁化机理采用具有双轴各向异性的矢量元素算子。本文从基本原理，数值实现和计算精度方面对这两个模型进行了分析和比较。为了验证引入的模型，对无取向硅钢Lycore-140和软磁复合材料Somaloy 500在交变激励下的磁性能进行了测量，并与模拟结果进行了比较，显示了模型的有效性和实用性，但计算精度不同和速度。

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