Study on Barkhausen Noise Probe and its Signal Processing Circuit for Railway Applications

被引：0

作者：

Hwang, Young-In ^{[1
]}

Lee, Hyosung ^{[2
]}

Jang, Jaewon ^{[2
]}

Kim, Yongtak ^{[1
]}

Seo, Mu-Kyung ^{[3
]}

Kim, Geonwoo ^{[4
]}

Kim, Yong-Il ^{[1
]}

Kim, Ki-Bok ^{[1
]}

机构：

[1] Korea Res Inst Stand & Sci, Safety Measurement Inst, Smart NDE Team, Daejeon, South Korea

[2] Univ Sci & Technol, Dept Measurement Sci, Daejeon, South Korea

[3] Smart C&S Ltd, Res Inst, Daejeon, South Korea

[4] Gyeongsang Natl Univ, Dept Bioind Machinery Engn, Jinju, South Korea

来源：

JOURNAL OF THE KOREAN SOCIETY FOR NONDESTRUCTIVE TESTING | 2023年 / 43卷 / 03期

关键词：

Barkhausen Noise Probe; Rail; Residual Stress; Finite Element Analysis; Signal Processing Circuit; RESIDUAL-STRESS; STEEL;

D O I：

10.7779/JKSNT.2023.43.3.218

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This study was conducted to develop a Barkhausen noise (BHN) probe and its signal processing circuit to measure the residual stress of rail. The design parameters of the developed BHN probe were analyzed using the finite element method. Based on the finite element analysis, the BHN probe comprising iron yoke and driving and detecting coils was fabricated. For detecting BHN signals, small signal processing circuits comprising signal generators, filters, and amplifiers were developed and embedded in the proposed BHN probes. Moreover, a measuring device comprising a BHN probe with a signal processing circuit, an AD/DA converter, and Raspberry Pi was constructed.

引用

页码：218 / 228

页数：11

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