Modeling of anisotropic magnetostriction under alternating magnetization based on neural network-FFT model
ISSN: 0332-1649
Article publication date: 6 November 2017
Abstract
Purpose
This paper aims to investigate the magnetostrictive phenomenon in a single electrical steel sheet, which may cause vibration and noise in the cores of transformers and induction motors. A measurement system of magnetostriction is created and the principal strain of magnetostriction is modeled. Furthermore, the magnetostriction property along arbitrary alternating magnetization directions is modeled.
Design/methodology/approach
A measurement system with a triaxial strain gauge is developed to obtain the magnetostrictive waveform, and the principal strain is computed in terms of the in-plane strain formula. A three-layer feed-forward neural network model is proposed to model the measured magnetostriction property of the electrical steel sheet.
Findings
The principal strain of magnetostriction of the non-oriented electrical steel has strong anisotropy. The proposed estimation model can be effectively used to model the anisotropic magnetostriction with an acceptable prediction time.
Originality/value
This paper develops the neural network combined with fast Fourier transform (FFT) to model the principal strain property of magnetostriction under alternating magnetizations, and its validation has been verified.
Keywords
Acknowledgements
This work was supported by National Natural Science Foundation of China under Grant 51777128.
Citation
Zhang, Y., Zhou, H., Zhang, D., Ren, Z. and Xie, D. (2017), "Modeling of anisotropic magnetostriction under alternating magnetization based on neural network-FFT model", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 36 No. 6, pp. 1706-1714. https://doi.org/10.1108/COMPEL-12-2016-0567
Publisher
:Emerald Publishing Limited
Copyright © 2017, Emerald Publishing Limited