Train axle counters by Bragg and chirped grating techniques

被引：2

作者：

Li, Weilai ^{[1
]}

Jiang, Ning ^{[1
]}

Liu, Jinshan ^{[2
]}

Zhang, Yefang ^{[3
]}

机构：

[1] Wuhan Univ Technol, Minist Educ, Key Lab Fiber Opt Sensing Technol & Informat Proc, 122 Luoshi Rd, Wuhan 430070, Peoples R China

[2] Survey & Design Inst China Raliways 4, Wuhan 430063, Peoples R China

[3] Zhongbei Signal Software Co Ltd, Beijing, Peoples R China

来源：

19TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, PTS 1 AND 2 | 2008年 / 7004卷

基金：

中国国家自然科学基金;

关键词：

fiber Bragg grating(FBG); fiber chirped grating(FCG); train; axle count;

D O I：

10.1117/12.786519

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Both sensing techniques, FBG wavelength shift and FCG intensity change, were applied in a train axle counting system. They turned the dynamic strain of rail track into accurate axle numbers of passing trains.

引用

页数：4