光束平差在激光跟踪仪系统精度评定中的应用

周维虎; 丁蕾; 王亚伟; 张滋黎

doi:10.3788/OPE.20122004.0851

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光束平差在激光跟踪仪系统精度评定中的应用

信息科学 | 更新时间：2020-08-12

- 光束平差在激光跟踪仪系统精度评定中的应用
- Application of bundle adjustment to accuracy evaluation of laser tracker
- 光学精密工程 2012年20卷第4期页码：851-857
- 作者机构：
  
  1. 中国科学院光电研究院北京,100094
  2. 北京航空航天大学仪器科学与光电工程学院北京,100191
  3. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
  
  中国科学院科研装备研制项目(No.090206A01Y)()
- DOI：10.3788/OPE.20122004.0851
  中图分类号： TN249
- 收稿日期：2011-11-10，
  
  修回日期：2011-11-30，
  
  网络出版日期：2012-04-22，
  
  纸质出版日期：2012-04-22
- 稿件说明：
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周维虎, 丁蕾, 王亚伟, 张滋黎. 光束平差在激光跟踪仪系统精度评定中的应用[J]. 光学精密工程, 2012,(4): 851-857

ZHOU Wei-hu, DING Lei, WANG Ya-wei, ZHANG Zi-li. Application of bundle adjustment to accuracy evaluation of laser tracker[J]. Editorial Office of Optics and Precision Engineering, 2012,(4): 851-857
周维虎, 丁蕾, 王亚伟, 张滋黎. 光束平差在激光跟踪仪系统精度评定中的应用[J]. 光学精密工程, 2012,(4): 851-857 DOI： 10.3788/OPE.20122004.0851.

ZHOU Wei-hu, DING Lei, WANG Ya-wei, ZHANG Zi-li. Application of bundle adjustment to accuracy evaluation of laser tracker[J]. Editorial Office of Optics and Precision Engineering, 2012,(4): 851-857 DOI： 10.3788/OPE.20122004.0851.

摘要

对自主研制的激光跟踪仪的精度评定进行研究

以期解决大尺寸空间坐标测量系统的空间坐标精度难于评定的问题。考虑现场环境条件、仪器状态和操作者技能等因素对测量精度影响都很大

提出了基于光束平差原理对激光跟踪仪系统进行精度评定的方法。通过Matlab软件对激光跟踪仪的精度评定进行了仿真

仿真结果显示光束平差法能客观地反映激光跟踪仪的测量精度。另外

使用Faro生产的激光跟踪仪进行了实物实验

实验结果显示其水平角精度

为1.97

垂直角精度

为2.61

测距精度

为3.7510

-6

对比Faro生产的激光跟踪仪精度(

=2.0;

=4 m)可证明采用光束平差法评定自主研发的激光跟踪仪测量精度是正确、可行的。该方法为探索激光跟踪仪新的应用技术、开展面向对象的测量不确定评定奠定了基础。

Abstract

The accuracy evaluation methods for a laser tracker developed by ourselves are investigated to solve the problem that the coordinate precision in a large-size space coordinate measuring system is difficult to be evaluated. In consideration of the great impacts of environmental conditions

equipment status

operator skills and other factors on measurement accuracy

this paper proposes a bundle adjustment method to evaluate the accuracy of the laser tracker under practical conditions. The Matlab is used to simulate the accuracy evaluation

and results show that the bundle adjustment can generally reflect the measurement accuracy of laser tracker measurement system. Furthermore

a practical experiment is performed on a laser tracker made from Faro company

and results show that the measuring accuracies of horizontal angle

and vertical angle

are 1.97 and 2.61

respectively

and measuring accuracy

for the distance is 3.7510

-6

.As compared with the instrument accuracy of the Faro (

=2.0

=4 m)

It proves that using bundle adjustment to evaluate the performance of the laser tracker developed is feasibility and correctness. The method will be useful to broaden application of laser tracker technology and to open a way to task-oriented uncertainty evaluation.

关键词

Keywords

references

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