空间测量定位网络典型布局

熊芝1; 邾继贵2; 薛彬2; 赵子越2

doi:10.3788/OPE.20132109.2354

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空间测量定位网络典型布局

信息科学 | 更新时间：2020-08-12

- 空间测量定位网络典型布局
- Typical deployments of workspace Measurement and Positioning System
- 光学精密工程 2013年21卷第9期页码：2354-2363
- 作者机构：
  
  1. 湖北工业大学机械工程学院,湖北武汉,430068
  2. 天津大学精密测试技术国家重点实验室天津,300072
- 作者简介：
- 基金信息：
  
  国家科技支撑计划资助项目(2014BAB12B03)
- DOI：10.3788/OPE.20132109.2354
  中图分类号： TB92
- 收稿日期：2013-04-02，
  
  修回日期：2013-05-07，
  
  网络出版日期：2013-09-30，
  
  纸质出版日期：2013-09-15
- 稿件说明：
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熊芝邾继贵薛斌赵子越. 空间测量定位网络典型布局[J]. 光学精密工程, 2013,21(9): 2354-2363

XIONG Zhi ZHU Ji-gui XUE Bin ZHAO Zi-yue. Typical deployments of workspace Measurement and Positioning System[J]. Editorial Office of Optics and Precision Engineering, 2013,21(9): 2354-2363
熊芝邾继贵薛斌赵子越. 空间测量定位网络典型布局[J]. 光学精密工程, 2013,21(9): 2354-2363 DOI： 10.3788/OPE.20132109.2354.

XIONG Zhi ZHU Ji-gui XUE Bin ZHAO Zi-yue. Typical deployments of workspace Measurement and Positioning System[J]. Editorial Office of Optics and Precision Engineering, 2013,21(9): 2354-2363 DOI： 10.3788/OPE.20132109.2354.

摘要

空间测量定位系统在多站协同作用下实现测量，测站布局对系统测量精度、测量范围及使用成本影响很大。本文从wMPS网络布局和定位误差的关系入手，重点研究了测站分布几何对定位误差的影响。首先，建立了系统的定位误差模型，分析了测站单向通讯几何约束以及测站数目对改善测量精度的影响；然后，设计了两到四测站的多种典型布局形式，分析了典型布局的误差分布特性；最后，利用实验室样机对典型布局的误差特性进行了验证。实验结果表明，O_4型布局整体测量精度最高，L_3型布局对I_2型布局测量精度的增强幅度约为40%，O_4型布局对L_3型布局测量精度的提高幅度大部分处于20%以内。本文的研究为全局测量网络优化提供了有效的理论支撑。

Abstract

Workspace measurement and positioning system works at multi-station in a synergistic effect and how to deploy the stations has a significant impact on the measurement range

accuracy

and the use-cost. This paper explores the effect of the geometry of station distribution on position errors based on the relation between the wMPS network deployment and position errors. Firstly

a positioning error model was established

the station one-way communication constraints were analyzed

and the improvement of increasing the number of stations on measurement accuracy was analyzed. Then

typical deployments of two to four stations were designed and the error distribution characteristics were studied. Finally

the error characteristics of typical deployments were verified based on the latest prototype in a lab. Experiment results show that O_4 typical deployment has the highest accuracy

the measuring accuracy from the L_3 typical deployment is higher by 40% than that of the I_2 deployment. Moreover

O_4 typical deployment has 20% improvement on measuring accuracy than that of the L_3 typical deployment. The research work provides an effective theoretical support for global measurement network optimization.

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references

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