俯仰角组合测量系统的设计

潘明华; 文香稳; 朱国力

doi:10.3788/OPE.20111903.0598

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俯仰角组合测量系统的设计

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- 俯仰角组合测量系统的设计
- Design of combination measurement system for pitching angles
- 光学精密工程 2011年19卷第3期页码：598-604
- 作者机构：
  
  华中科技大学数字制造装备与技术国家重点实验室,湖北武汉,430074
- 作者简介：
- 基金信息：
  
  国家973重点基础研究发展规划资助项目(No.2007CB714005)()
- DOI：10.3788/OPE.20111903.0598
  中图分类号： TP212.12;TB92
- 收稿日期：2010-04-20，
  
  修回日期：2010-10-30，
  
  网络出版日期：2011-03-22，
  
  纸质出版日期：2011-03-22
- 稿件说明：
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潘明华, 文香稳, 朱国力. 俯仰角组合测量系统的设计[J]. 光学精密工程, 2011,19(3): 598-604

PAN Ming-hua, WEN Xiang-wen, ZHU Guo-li. Design of combination measurement system for pitching angles[J]. Editorial Office of Optics and Precision Engineering, 2011,19(3): 598-604
潘明华, 文香稳, 朱国力. 俯仰角组合测量系统的设计[J]. 光学精密工程, 2011,19(3): 598-604 DOI： 10.3788/OPE.20111903.0598.

PAN Ming-hua, WEN Xiang-wen, ZHU Guo-li. Design of combination measurement system for pitching angles[J]. Editorial Office of Optics and Precision Engineering, 2011,19(3): 598-604 DOI： 10.3788/OPE.20111903.0598.

摘要

利用准直激光、单轴倾角仪和CCD摄像机建立了一种俯仰角组合测量系统以提高俯仰角测量的精度和稳定性。首先

给出了俯仰角组合测量模型

基于坐标旋转算法和迭代方法研究了俯仰角的组合测量原理。然后

采用蒙特卡罗法对影响组合测量系统精度的各个因素进行了全局灵敏度分析。结果表明

与目前工程测量中普遍采用的倾角仪直接测量俯仰角法相比

组合测量法能够获得更高的测量精度和稳定性。利用高精度三轴转台进行的俯仰角测量实验表明:8测量范围内

组合测量法误差绝对值最大为0.3 mrad

标准差为0.16 mrad。理论分析和实验结果证明

提出的组合测量法有效地提高了俯仰角测量精度和稳定性

适合工程上的测量需要。

Abstract

A combination measurement system for pitching angles was put forward based on a collimated laser

a single-axis inclinator and a CCD camera to improve the precision and stability of measuring pitching angles in engineering. The combination measurement model was introduced and its combination measurement principle was studied in detail on the basis of the coordinate rotation algorithm and the iteration method. The global sensitive analysis of each factor affecting the combination measurement was carried out by using Monte Carlo method.Obtained results show that compared with the direct measurement method with an inclinator widely used in pitching angle measuring at present

the proposed method can obtain much higher measurement precision and stability. A measurement experiment on a highly accurate three-axis turntable was performed

which indicates that the maximum absolute error is 0.3 mrad and the standard deviation is 0.16 mrad.These data are better than that from the direct measurement method with the inclinator

and meet the requirements of the engineering applications.

关键词

Keywords

references

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