Ferromagnetic material pulsed eddy current testing signal modeling by equivalent multiple-coil-coupling approach

被引：31

作者：

Huang, Chen ^{[1
]}

Wu, Xinjun ^{[1
]}

Xu, Zhiyuan ^{[1
]}

Kang, Yihua ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, Wuhan 430074, Peoples R China

来源：

NDT & E INTERNATIONAL | 2011年 / 44卷 / 02期

关键词：

Pulsed eddy current testing; Multiple-coil coupling; Ferromagnetic material; Non-linear trust-region algorithm; PLATE;

D O I：

10.1016/j.ndteint.2010.11.001

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A multiple-coil-coupling model is proposed for ferromagnetic material pulsed eddy current testing signals in this paper. The model uses circuit-theory-based analysis to replace the field-theory-based analysis in pulsed eddy current testing modeling. A non-linear trust-region algorithm is developed to fit the practical signal. The eigenvalue for thickness quantification is selected as one of the fitted parameters and the algorithm is developed and verified by actual measured data. The model is simple and suitable for engineering application. (c) 2010 Elsevier Ltd. All rights reserved.

引用

页码：163 / 168

页数：6

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