高铁静态限界测量的二维扫描传感器的设计和标定 
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Design and Calibration of Two-Dimensional Scanning Sensor for Static Clearance Measurement of High-Speed Train
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
图 & 表
图 1. 整体系统设计图
Fig. 1. Design diagram of overall system
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图 2. 传感器设计图。(a)传感器实物图;(b)扫描过程示意图
Fig. 2. Picture of sensor design.(a) Physical picture of sensor; (b) schematic of scanning process
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图 3. 系统标定实验图。(a)系统标定实验装置;(b)标定实验示意图
Fig. 3. Picture of system calibration experiment. (a) System calibration experimental device; (b) sketch map of calibration experiment
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图 4. 实验装置及测量数据。(a)精度验证实验装置;(b)量块点云图
Fig. 4. Experimental device and measurement data. (a) Device of accuracy verification experiment; (b) point cloud of gauge block
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表 1滤波后标定实验的数据
Table1. Data of calibration experiment after filtering
| α/(°) | l/mm |
|---|
| 0 | 479.012 | | 5 | 466.836 | | 10 | 459.813 | | 15 | 457.197 | | 20 | 458.516 | | 25 | 464.185 | | 30 | 474.299 | | 35 | 489.330 | | 40 | 509.724 |
|
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表 2标定精度验证实验数据
Table2. Data of calibration accuracy verification
| α/(°) | Two-dimensionalcoordinate (X, Y) | Distance ofpoint to line /mm |
|---|
| 0 | (576.15, -0.25) | 0 | | 5 | (561.55, 48.61) | 0.65 | | 10 | (547.73, 96.98) | 0.70 | | 15 | (534.51, 143.24) | 0.75 | | 20 | (522.71, 189.82) | 0.66 | | 25 | (508.83, 238.00) | 0.51 | | 30 | (495.00, 286.90) | 0.60 | | 35 | (480.55, 337.87) | 0.66 | | 40 | (465.05, 389.88) | 0 |
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表 3精度验证实验的数据
Table3. Data of accuracy verification experiment
| Line label | Spacing ofline /mm | Height differenceof gauge block /mm |
|---|
| AB-CD | 10 | 10.8 | | CD-EF | 10 | 9.1 | | EF-GH | 20 | 20.6 | | GH-IJ | 10 | 9.5 |
|
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表 4重复性精度验证实验的数据
Table4. Data of repeatability accuracy verification experiment
| Serial number | X /mm | Y /mm |
|---|
| 1 | 416.073 | 7.262 | | 2 | 415.673 | 7.255 | | 3 | 415.863 | 7.489 | | 4 | 415.987 | 7.065 | | 5 | 416.106 | 7.598 | | 6 | 415.995 | 7.336 | | 7 | 415.789 | 7.258 | | 8 | 415.857 | 7.154 | | 9 | 416.033 | 7.218 | | 10 | 415.778 | 7.369 |
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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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