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Journal of Micro/Nanolithography, MEMS, and MOEMS

Track irregularity inspection trolley based on fiber-optic gyro
Author(s): Zhan Gao; Qibo Feng; Sijin Wu; Fei Cheng; Jianying Cui; Shiqian Chen; Shiqing Jia; Jianjun Liu
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Paper Abstract

Rail track geometric parameters, such as gage, level, twist, longitudinal irregularity, alignment irregularity, etc., have much influence on the operation safety of train vehicles. With the development of railway, the demand for measuring track geometric parameters precisely and efficiently has become a common concern, and to date this problem has not been properly solved. In this work, a new measurement method and a system for track geometric parameters are presented. Through analyzing advantages and disadvantages of existing measurement methods of track geometric parameters, a fiber-optic gyro is adopted for the straightness measurement. It greatly eliminates the measurement errors caused by existing methods. The feasibility of this track parameter measurement trolley is proven by practical experiments.

Paper Details

Date Published: 1 January 2010
PDF: 4 pages
J. Micro/Nanolith. 9(1) 013045 doi: 10.1117/1.3290239
Published in: Journal of Micro/Nanolithography, MEMS, and MOEMS Volume 9, Issue 1
Show Author Affiliations
Zhan Gao, Beijing Jiaotong Univ. (China)
Qibo Feng, Beijing Jiaotong Univ. (China)
Sijin Wu, Beijing Jiaotong Univ. (China)
Fei Cheng, Beijing Jiaotong Univ. (China)
Jianying Cui, Beijing Jiaotong Univ. (China)
Shiqian Chen, Beijing Jiaotong Univ. (China)
Shiqing Jia
Jianjun Liu


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