[1]于先文,王庆,郑子扬.具有安装误差抵偿功能的光纤陀螺/全站仪组合定向方法[J].东南大学学报(自然科学版),2008,38(4):621-625.[doi:10.3969/j.issn.1001-0505.2008.04.015]
 Yu Xianwen,Wang Qing,Zheng Ziyang.Orientation method of FOG/TS with installation error compensation[J].Journal of Southeast University (Natural Science Edition),2008,38(4):621-625.[doi:10.3969/j.issn.1001-0505.2008.04.015]
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具有安装误差抵偿功能的光纤陀螺/全站仪组合定向方法()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
38
期数:
2008年第4期
页码:
621-625
栏目:
测绘与导航
出版日期:
2008-07-20

文章信息/Info

Title:
Orientation method of FOG/TS with installation error compensation
作者:
于先文12 王庆1 郑子扬1
1 东南大学仪器科学与工程学院, 南京 210096; 2 东南大学交通学院, 南京 210096
Author(s):
Yu Xianwen12 Wang Qing1 Zheng Ziyang1
1 School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China
2 School of Transportation, Southeast University, Nanjing 210096, China
关键词:
光纤陀螺 全站仪定向 安装误差 误差抵偿
Keywords:
fiber optic gyro orientation of total station installation error error compensation
分类号:
P204
DOI:
10.3969/j.issn.1001-0505.2008.04.015
摘要:
为实现在单个GPS控制点上直接完成角秒级的全站仪定向,提出了一种基于光纤陀螺的免安装误差标定全站仪定向方法.在该方法中,光纤陀螺与全站仪望远镜固连,利用全站仪望远镜带动光纤陀螺分别在水平面和竖直面精确旋转180°,到东向位置、东向抵偿位置、西向位置、西向抵偿位置做静态测量.在给出4个位置严密观测方程的基础上,利用4个位置的测量值,得到忽略安装误差影响情况下的全站仪横轴真方位角计算公式,实现光纤陀螺轴与全站仪横轴间的安装误差自动抵消.在充分考虑到工程实现可行性的情况下进行了仿真研究,结果表明:该方法在不利的情况下,给方位角带来的误差约为17″,在指南针的辅助下可控制在10″以内,该精度能够满足日常测量工作需要.
Abstract:
A new method based on a fiber optic gyro(FOG)is proposed to orient a total station(TS)accurately without the need of another visible global positioning system(GPS)control point. In this method, the FOG is fixed with the telescope of the TS. The FOG is driven by the TS to rotate 180° in horizontal and vertical planes, respectively, and measures in the east position, the east compensatory position, the west compensatory position and the west position. Based on the strict observation equations of four positions, the formula to calculate the azimuth of the traverse axis of the TS with the four measurements is obtained, which can effectively eliminate the influence from the installation error between the axis of the FOG and the traverse axis of the TS. The numerical simulation shows that even under unfavorable cases the error of orientation arisen from the installation error is less than 17″. With the help of a compass, the error is expected to be within 10″. Such an orientation accuracy is good enough for many regular measurements.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 于先文(1974—),男,博士生; 王庆(联系人),男,博士,教授,博士生导师,wq_seu@seu.edu.cn.
基金项目: “十一五”国家科技支撑计划资助项目(2006BAJ09B06,2008BAJ11B02).
引文格式: 于先文,王庆,郑子扬.具有安装误差抵偿功能的光纤陀螺/全站仪组合定向方法[J].东南大学学报:自然科学版,2008,38(4):621-625.
更新日期/Last Update: 2008-07-20