激光与光电子学进展, 2020, 57 (5): 051204, 网络出版: 2020-03-05   

高铁静态限界测量的二维扫描传感器的设计和标定 下载: 828次

Design and Calibration of Two-Dimensional Scanning Sensor for Static Clearance Measurement of High-Speed Train
作者单位
1 天津大学精密测试技术及仪器国家重点实验室, 天津 300072
2 中铁检验认证中心有限公司机车车辆检验站, 北京 100015
摘要
针对接触式测量高铁机车静态限界效率低、精度低、耗时长、劳动强度大等问题,基于回转射线簇测量的原理,研制出新型的高铁静态限界二维扫描传感器。传感器安装在运动导轨上,可实现静态限界的高效自动化测量。借助高精度大理石平面对传感器进行标定,建立测量系统的坐标系,结合外部标定,将传感器测量结果转换到轨道坐标系下的三维坐标,从而得到高铁的静态限界测量数据。实验验证,该传感器精度优于1 mm,满足了静态限界测量的需求。
Abstract
Herein, to address the problems of low efficiency and accuracy, long time consumption, and high labor intensity of the contacting measurement on static clearance of high-speed locomotive train, a new two-dimensional scanning sensor of static clearance of high-speed train is developed based on the rotating clustered-ray measurement principle. Static clearance can be efficiently and automatically measured by installing the proposed sensor on a moving guide rail. The sensor is calibrated using a high-precision marble plane, and a coordinate system for the measurement system is established. Sensor measurement results are converted to three-dimensional coordinates in the orbital coordinate system via external calibrations. Thus, the static clearance measurement data of high-speed train can be obtained. Experimental results show that the accuracy of this new sensor is more than 1 mm, which satisfies the requirement of static clearance measurement.

卢钢, 刘常杰, 石春珉, 贾鑫林. 高铁静态限界测量的二维扫描传感器的设计和标定[J]. 激光与光电子学进展, 2020, 57(5): 051204. Gang Lu, Changjie Liu, Chunmin Shi, Xinlin Jia. Design and Calibration of Two-Dimensional Scanning Sensor for Static Clearance Measurement of High-Speed Train[J]. Laser & Optoelectronics Progress, 2020, 57(5): 051204.

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