Optimization of calibration method for scanning planar laser coordinate measurement system

LAO Da-bao; YANG Xue-you; ZHU Ji-gui; YE Sheng-hua

doi:10.3788/OPE.20111904.0870

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Optimization of calibration method for scanning planar laser coordinate measurement system

Article | 更新时间：2020-08-12

- Optimization of calibration method for scanning planar laser coordinate measurement system
- Optics and Precision Engineering Vol. 19, Issue 4, Pages: 870-877(2011)
- 作者机构：
  
  天津大学精密测试技术及仪器国家重点实验室天津,中国,300072
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111904.0870
  CLC： TH72;TN247
- Received：30 July 2010，
  
  Revised：29 September 2010，
  
  Published Online：26 April 2011，
  
  Published：26 April 2011
- 稿件说明：
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劳达宝, 杨学友, 邾继贵, 叶声华. 扫描平面激光坐标测量系统校准方法的优化[J]. 光学精密工程, 2011,19(4): 870-877

LAO Da-bao, YANG Xue-you, ZHU Ji-gui, YE Sheng-hua. Optimization of calibration method for scanning planar laser coordinate measurement system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(4): 870-877
劳达宝, 杨学友, 邾继贵, 叶声华. 扫描平面激光坐标测量系统校准方法的优化[J]. 光学精密工程, 2011,19(4): 870-877 DOI： 10.3788/OPE.20111904.0870.

LAO Da-bao, YANG Xue-you, ZHU Ji-gui, YE Sheng-hua. Optimization of calibration method for scanning planar laser coordinate measurement system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(4): 870-877 DOI： 10.3788/OPE.20111904.0870.

摘要

介绍了一种基于旋转平面激光单站测角、多站交汇的坐标测量系统

并对其校准方法进行了优化。分析了系统的测角方式和多传感器交汇测量的特点

阐述了基于传统方法的单基站方位信息测量原理及系统结构

并提出了相应的单站结构参数和系统参数校准方法。针对转轴直线和光平面的特点

设计了配套附件并借助经纬仪标定了结构参数

同时通过接收器确定光平面初始位置来实现多站系统校准。为进一步完善校准技术

分析了影响校准精度的主要误差因素

基于此分别对结构参数标定方式和系统校准过程的控制加以改进

研究了一种系统一体化标定方法。实验显示

系统整体测量误差达到0.1 mm

证明了提出的校准方法切实可行

提高了校准精度。

Abstract

On the basis of angle measurement by a rotating planar laser in the single station and intersection in the multi-station

a coordinate measuring system was introduced

and its calibration method was optimized. With analyzing its features of special angle measurement and multi-sensor intersection measurement

the principle of azimuth information measurement by the single station and the system structure were described

then the calibration methods for structure parameters of single station and system parameters were studied. According to the characteristics of a rotating shaft and a laser plane

structure parameters were calibrated by theodolites through designed corresponding accessories

and the system calibration was realized by determining the laser planes in the initial place by using a receiver. In order to perfect the calibration technology

the main error factors affecting the calibration accuracy were analyzed

the calibration methods of structure parameters and the process of system calibration were modified.An integrative calibration method for the system was proposed. Experiments show that the measuring accuracy of the system has reached 0.1 mm

which proves the calibration method is feasible

and can improve the calibration accuracy.

关键词

Keywords

references

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