车载式地铁轨道缺陷巡检系统设计

Design of on-board inspection system for subway track defects

提出一种新的车载式地铁轨道缺陷巡检系统,利用机器视觉技术,通过对系统硬件和软件的设计,实现轨道道床空间全断面高清晰成像、检测位置信息获取、轨道缺陷智能识别以及轨道缺陷数据无线传输保存等功能。最后,将该巡检系统应用在广州地铁8号线上,试验结果表明,该巡检系统具有定位精准、轨道缺陷检测精确、实时传输和分析的优点,适用于我国地铁轨道缺陷巡检,可有力保障列车安全、可靠运行。

This paper proposes a new on-board subway track defect inspection system.By using machine vision technology and the design of the hardware and software of the system,it realizes the functions of full section high-definition imaging of track bed space,acquisition of inspection position information,intelligent identifi cation of track defects and wireless transmission and storage of track defect data.In the conclusion,the inspection system is used on Guangzhou metro line 8,and the test results show that the inspection system has the advantages of accurate positioning,accurate inspection rate of track defects,real-time transmission and analysis.It is suitable for the inspection of track defects in China and effectively guarantees the safe and reliable operation of trains.