激光投线仪的多维校准系统

刘盼盼; 许流博; 乐意; 陈少阳; 许贤泽

doi:10.3788/OPE.20142206.1486

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激光投线仪的多维校准系统

现代应用光学 | 更新时间：2020-08-13

- 激光投线仪的多维校准系统
- Multi-dimensional calibration system for laser demarcation instrument
- 光学精密工程 2014年22卷第6期页码：1486-1493
- 作者机构：
  
  1. 武汉大学电子信息学院,湖北武汉,中国,430072
  2. 武汉大学经济与管理学院,湖北武汉,430072
- 作者简介：
- 基金信息：
  
  国家973重点基础研究发展计划资助项目（No.2011CB707904）();武汉市科技局应用基础研究计划资助项目（No.2013010501010121）()
- DOI：10.3788/OPE.20142206.1486
  中图分类号： TN249
- 收稿日期：2013-08-12，
  
  修回日期：2013-10-09，
  
  纸质出版日期：2014-06-25
- 稿件说明：
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刘盼盼, 许流博, 乐意等. 激光投线仪的多维校准系统[J]. 光学精密工程, 2014,22(6): 1486-1493

LIU Pan-pan, XU Liu-bo, LE Yi etc. Multi-dimensional calibration system for laser demarcation instrument[J]. Editorial Office of Optics and Precision Engineering, 2014,22(6): 1486-1493
刘盼盼, 许流博, 乐意等. 激光投线仪的多维校准系统[J]. 光学精密工程, 2014,22(6): 1486-1493 DOI： 10.3788/OPE.20142206.1486.

LIU Pan-pan, XU Liu-bo, LE Yi etc. Multi-dimensional calibration system for laser demarcation instrument[J]. Editorial Office of Optics and Precision Engineering, 2014,22(6): 1486-1493 DOI： 10.3788/OPE.20142206.1486.

摘要

分析了激光投线仪的工作原理及其基准误差的产生原因。基于此，提出了一种新型的激光投线仪校准系统，用于弥补传统校准方式占地面积大、精度值难以量化、人为因素影响较大等缺点。研究了一套采用平行光管角度测量与机器视觉测量结合的检测方法，通过检测激光线的直线度和垂直度来实现仪器的校准。该系统由8个采样管构成数据采集平台，从而达到多维校准的要求。采用VC++与Matlab混合编程的方式编写系统软件，通过调用动态链接库的方式使两种语言相结合。实验测试表明，该系统操作简单，效率高；与传统校准方式相比，其节约了场地长度，整个系统的占用空间控制在8 m

以内；另外，系统提高了校准精度，其水平线和铅垂线平均精度可以达到±0.2 mm/5 m，正交线精度可以达到±23"。

Abstract

The working principles of Laser Demarcation Instruments (LDIs) and their standard errors were analyzed. A new set of Multi-dimensional Calibration System (MDCS) for the LDIs was developed to solve these shortcomings of traditional calibration systems on larger floor spaces

poor accuracy and high influential artificial factors. A solution based on collimator angle measurement and machine vision measurement was designed to calibrate the LDI by measuring the straightness and verticality of laser lines. The data capturing platform of the system consisted of 8 collimators was used to achieve the multi-dimensional calibration. The software was designed by mixed programming of VC++ and Matlab

and they were connected by calling a Dynamic Lined Library(DLL). Experiments show that the new system is easy to operate

and is more efficient and more credible. The space that the whole system takes up is within 8 m

which saves the area of work place. Moreover

the accuracy of horizontal and vertical lines can reach ±0.2 mm/5 m

and the orthogonal line is ±23"

which meets the requirement of calibration accuracy.

关键词

Keywords

references

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