A measurement system based on magnetic sensors for nondestructive testing

被引：29

作者：

Bernieri, A ^{[1
]}

Betta, G ^{[1
]}

Rubinacci, G ^{[1
]}

Villone, F ^{[1
]}

机构：

[1] Univ Cassino, Dept Automat Electromagnetism Informat Engn & Ind, I-03043 Cassino, FR, Italy

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2000年 / 49卷 / 02期

关键词：

eddy current testing; genetic algorithms; magnetic transducers; nondestructive testing; soft magnetic materials;

D O I：

10.1109/19.843095

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：

The paper deals with a measurement system based on a low-rest eddy current probe for nondestructive testing (NDT) on conducting materials aimed at reconstructing the shape and position of thin cracks. The magnetic probe is characterized, highlighting good repeatability, linearity, and overall accuracy. A number of different measurement approaches are investigated, in order to choose the more appropriate for NDT applications. A numerical method was then illustrated; it proves to be able to reconstruct cracks also starting from noisy measurement data.

引用

页码：455 / 459

页数：5

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