A Basic Signal Analysis Approach for Magnetic Flux Leakage Response

被引：8

作者：

Huang, Song Ling ^{[1
]}

Peng, Lisha ^{[1
]}

Wang, Shen ^{[1
]}

Zhao, Wei ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 10084, Peoples R China

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2018年 / 54卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Basic signal; basic signal combination method (BSCM); defect; magnetic flux leakage (MFL) response; PIPELINE INSPECTION; RECONSTRUCTION; INVERSION; CORROSION; WAVELETS; MODEL; OIL;

D O I：

10.1109/TMAG.2018.2858201

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Magnetic flux leakage (MFL) response predicting is important for defect estimation. This paper first proposes a concept of basic signal by discovering the combination property of the MFL response. The basic signal can be used to predict the MFL response conveniently by a basic signal combination method (BSCM), which is also innovatively put forward in this paper. In this method, the basic signal is calculated in advance, and the MFL response can be calculated by several transformation and combination operations. Both the simulation and experimental results demonstrate the feasibility of BSCM. Compared with other traditional methods (magnetic dipole method and finite-element method), BSCM shows a good performance on both the computational speed and accuracy.

引用

页数：6

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