Real-time compensative leveling in photoelectric measuring equipment

LI Jian-rong; GAO Hui-bin; WANG Zhi-qian; SHEN Cheng-wu; LIU Shao-jin

doi:10.3788/OPE.20101807.1543

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Real-time compensative leveling in photoelectric measuring equipment

Article | 更新时间：2020-08-12

- Real-time compensative leveling in photoelectric measuring equipment
- Optics and Precision Engineering Vol. 18, Issue 7, Pages: 1543-1547(2010)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20101807.1543
  CLC：
- Received：22 April 2009，
  
  Revised：18 November 2009，
  
  Published Online：30 July 2010，
  
  Published：20 July 2010
- 稿件说明：
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李建荣, 高慧斌, 王志乾, 沈铖武, 刘绍锦. 光电测量设备的实时调平补偿方案[J]. 光学精密工程, 2010,18(7): 1543-1547

LI Jian-rong, GAO Hui-bin, WANG Zhi-qian, SHEN Cheng-wu, LIU Shao-jin. Real-time compensative leveling in photoelectric measuring equipment[J]. 光学精密工程, 2010,18(7): 1543-1547
李建荣, 高慧斌, 王志乾, 沈铖武, 刘绍锦. 光电测量设备的实时调平补偿方案[J]. 光学精密工程, 2010,18(7): 1543-1547 DOI： 10.3788/OPE.20101807.1543.

LI Jian-rong, GAO Hui-bin, WANG Zhi-qian, SHEN Cheng-wu, LIU Shao-jin. Real-time compensative leveling in photoelectric measuring equipment[J]. 光学精密工程, 2010,18(7): 1543-1547 DOI： 10.3788/OPE.20101807.1543.

摘要

为了使光电测量设备快速进入测量状态

减小因倾斜带来的测量误差

研究了一种光电测量设备实时调平补偿方案。根据光学成像理论

推导了物高、物距、像高、像距等参数之间的换算关系。然后根据倾斜特性建立了物体或成像系统倾斜时的实时调平补偿数学模型。利用数学模型确定的补偿算法和水平倾角仪测量的角度值

可对测量设备在一定倾角范围内倾斜时进行实时调平补偿。对此补偿算法进行了实验验证。实验结果表明

测量设备在水平倾角

为0.26

为1.197的情况下

经过实时调平补偿后可将系统的测量误差由-0.17615％优化到-0.07787％

使光电测量设备可在倾斜的情况下保证测量精度。

Abstract

In order to make the measuring device quickly work and to reduce the measuring error from inclination

a scheme of real-time compensative leveling in the photoelectric measuring equipment was presented. On the basis of the optical theory

the relationships among the subject hight

subject distance

image hight and the image distance were deduced.Then

a mathematical model for real-time compensative leveling the object or the optics system was established using the incline characteristic. Based on the the mathematical model and the angles tested by an inclinometer

a real-time compensation scheme was carried out to level and compensate the inclining angle in a certain range.The scheme was verified by experiments

and the result shows that after real-time compensation the measurement precision is from -0.176 15％ to -0.077 87％ when the obliquities of measuring equipment is at

in optimized 0.26 and

in 1.197.It is concluded that the scheme can keep the measurement precision of the measuring equipment when it works at an incline.

关键词

Keywords

references

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