The real-time visual measurement system of rail creeping of high-speed railway

被引：1
|
作者：
Xu, Jingbo [1 ]
Cui, Xiaomeng [1 ]
Ma, Wenbo [1 ]
机构：
[1] Harbin Univ Sci & Technol, Sch Measure Control Technol & Commun Engn, Harbin 150080, Peoples R China
来源：
MEASUREMENT & CONTROL | 2020年 / 53卷 / 3-4期
关键词：
Rail creeping; machine vision; dynamic region of interest setting; self-calibration;
D O I：
10.1177/0020294019901303
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Changes in temperature and stress will lead to the rail creeping of high-speed railway, which becomes a hidden danger in the operation of trains. This paper studies a real-time visual measurement system for creeping displacement monitoring. The bilateral line extraction to determine the target location overcomes the influence of ambient light on image grayscale. The dynamic region of interest setting method is produced to lock and track the target. The self-calibration technology makes the system suitable for field application. The remote transmission of monitoring data is realized through narrow band internet of things (NB-IOT). These methods solve the problems in practical application. The monitoring system provides a reliable guarantee for the safe and stable operation of high-speed railway.
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页码：757 / 763
页数：7
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