车载平台变形对测角误差的影响分析与修正

佟刚; 王芳

doi:10.3788/OPE.20111904.0775

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车载平台变形对测角误差的影响分析与修正

微纳技术与精密机械 | 更新时间：2020-08-12

- 车载平台变形对测角误差的影响分析与修正
- Analysis and correction for influence of vehicle platform deformation on measuring errors
- 光学精密工程 2011年19卷第4期页码：775-782
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
- 基金信息：
  
  国家863高技术研究发展计划资助项目(No.2008AA7034320B)()
- DOI：10.3788/OPE.20111904.0775
  中图分类号： V556
- 收稿日期：2010-08-13，
  
  修回日期：2010-08-26，
  
  网络出版日期：2011-04-26，
  
  纸质出版日期：2011-04-26
- 稿件说明：
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佟刚, 王芳. 车载平台变形对测角误差的影响分析与修正[J]. 光学精密工程, 2011,19(4): 775-782

TONG Gang, WANG Fang. Analysis and correction for influence of vehicle platform deformation on measuring errors[J]. Editorial Office of Optics and Precision Engineering, 2011,19(4): 775-782
佟刚, 王芳. 车载平台变形对测角误差的影响分析与修正[J]. 光学精密工程, 2011,19(4): 775-782 DOI： 10.3788/OPE.20111904.0775.

TONG Gang, WANG Fang. Analysis and correction for influence of vehicle platform deformation on measuring errors[J]. Editorial Office of Optics and Precision Engineering, 2011,19(4): 775-782 DOI： 10.3788/OPE.20111904.0775.

摘要

分析了车载平台变形对经纬仪测角误差的影响

将平台变形分为平移变形和旋转变形转两类。采用数值模拟实验论证了平台旋转变形是影响测角误差的主要因素

建立了车载经纬仪测角误差与旋转变形角的关系模型

并在此基础上对目标位置和平台旋转变形对测角误差的影响进行了仿真。利用基于莫尔条纹的自准直测量系统测量平台偏向角

倾角传感器测量平台倾斜角

对测量得到的结果进行了实验验证。数据分析表明:该模型能有效修正因车载平台变形而带来的测角误差

使方位测角精度提高了103.7

高低测角精度提高了89.4

为实现车载经纬仪高精度测量提供了理论依据和技术支持。

Abstract

The influence of vehicle platform deformation on the measuring errors of a theodolite was analyzed

then the platform deformation was divided into two types of translation and rotation. A numerical simulation was performed to demonstrate that the platform rotation deformation was the main factors to affect the measuring error of the platform.A simulation model of vehicle theodolite between measuring error and rotation deformation was established

and the influence of the target location and rotation deformation on measuring errors was simulated based on the model. Furthermore

the platform angular deviation was measured by a self-collimation measurement system based on Moir fringe and the platform angular rotation was measured by a inclinometer

which then was validated by experiments.Obtained data show that this method can effectively compensate static angle measuring errors come from the deformation of vehicle platform

and can improve the azimuth precision to 103.7and elevation precision to 89.4. It provides a theoretical reference and technical support for the high-precision measurement of vehicle theodolites.

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Keywords

references

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