Dynamic Hysteresis Model of Grain-Oriented Ferromagnetic Material Using Neural Operators

IF 1.9 3区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Ziqing Guo;Binh H. Nguyen;Hamed Hamzehbahmani;Ruth V. Sabariego
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引用次数: 0

Abstract

Accurately capturing the behavior of grain-oriented (GO) ferromagnetic materials is crucial for modeling electromagnetic devices. In this article, neural operator models, including Fourier neural operator (FNO), U-net combined FNO (U-FNO), and deep operator network (DeepONet), are used to approximate the dynamic hysteresis models of GO steel. Furthermore, two types of data augmentation strategies, including cyclic rolling augmentation and Gaussian data augmentation (GDA), are implemented to enhance the learning ability of models. With the inclusion of these augmentation techniques, the optimized models account for not only the peak values of the magnetic flux density but also the effects of different frequencies and phase shifts. The accuracy of all models is assessed using the $L2$ -norm of the test data and the mean relative error (MRE) of calculated core losses. Each model performs well in different scenarios, but FNO consistently achieves the best performance across all cases.
基于神经算子的晶粒取向铁磁材料动态迟滞模型
准确捕获晶粒取向(GO)铁磁材料的行为对于电磁器件的建模至关重要。本文采用傅立叶神经算子(Fourier neural operator, FNO)、U-net联合FNO (U-FNO)和深度算子网络(deep operator network, DeepONet)等神经算子模型来近似GO钢的动态迟滞模型。此外,采用循环滚动增强和高斯数据增强(GDA)两种数据增强策略来增强模型的学习能力。优化后的模型不仅考虑了磁通密度的峰值,而且考虑了不同频率和相移的影响。使用测试数据的L2 -范数和计算的堆芯损耗的平均相对误差(MRE)来评估所有模型的准确性。每个模型在不同的场景中表现良好,但FNO始终在所有情况下都能达到最佳性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Transactions on Magnetics
IEEE Transactions on Magnetics 工程技术-工程:电子与电气
CiteScore
4.00
自引率
14.30%
发文量
565
审稿时长
4.1 months
期刊介绍: Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The IEEE Transactions on Magnetics publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.
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