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Application of Preisach model to grain oriented steels: comparison of different characterizations for the Preisach function p(/spl alpha/, /spl beta/)

机译:Preisach模型在取向钢中的应用:Preisach函数p(/ spl alpha /,/ spl beta /)的不同特征的比较

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摘要

To take into account scalar hysteresis in magnetic calculations, accurate models are required to correctly describe soft magnetic material behavior. The Preisach model makes it possible to do so if its distribution function p(/spl alpha/, /spl beta/) is well determined. This paper presents a comparison of four methods of characterization of the function that uses different peak magnetization level loops of grain oriented sheets. The choice of a lorentzian function with a term of interaction field shows interesting results.
机译:为了在磁计算中考虑标量磁滞,需要准确的模型来正确描述软磁材料的行为。如果可以很好地确定其分布函数p(/ spl alpha /,/ spl beta /),则Preisach模型可以这样做。本文介绍了四种表征方法的方法的比较,这些方法使用了晶粒取向薄板的不同峰值磁化能级回路。具有相互作用项的洛伦兹函数的选择显示出有趣的结果。

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