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计量学报  2017, Vol. 38 Issue (6): 661-666    DOI: 10.3969/j.issn.1000-1158.2017.06.01
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非正交轴系全站仪坐标测量系统误差分析技术研究
吴斌1,丁文1,杨峰亭1,薛婷2
1.天津大学 精密测试技术与仪器国家重点实验室, 天津 300072
2.天津大学 电气自动化与信息工程学院, 天津 300072
The Error Analysis of the Non-orthogonal Total Station Coordinate Measurement System
WU Bin1,DING Wen1,YANG Feng-ting1,XUE Ting2
1. State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China;
2. School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
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摘要 基于非正交轴系全站仪坐标测量系统的结构特点和测量模型,用数学分析的手段对其进行误差分析和测量不确定度评定。确定系统的主要误差分量是转台旋转角误差和激光跟踪仪测距值误差,并用GUM法评定各分量的不确定度。通过测量模型推导出系统的测量不确定度,并用MATLAB进行仿真,结果表明:当测距值不变时,测量不确定度几乎不受水平角变化的影响,而随着垂直角绝对值的增大而增大,当角度值不变时,测量不确定度随着被测点到视准轴上标定点的距离值增大而增大。实验初步验证了仿真结果的准确性。
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关键词 计量学大尺寸测量全站仪非正交轴系坐标测量系统误差分析测量不确定度    
Abstract:According to the Non-orthogonal total station system principle, the main sources of the system measurement error are the rotation angle errors of rotary tables and the distance measurement error of the laser range finder. Using GUM algorithm, the uncertainties of these two sources are estimated and the system measurement uncertainty is evaluated. The result is validated by the simulation on MATLAB and the experiment conducted in the laboratory. The results show that when the distance is constant, the measurement uncertainty is almost independent of the horizontal angle, and increases with the absolute value of the vertical angle. When the angle value is constant, the measurement uncertainty increases with the distance from the measured point and the calibration point on the collimated axis.The accuracy of the simulation results is preliminarily verified by experiments.
Key wordsmetrology    large-scale metrology    total station    non-orthogonal    coordinate measuring system    error analysis    measurement uncertainty
收稿日期: 2017-05-17      发布日期: 2017-09-27
PACS:  TB92  
基金资助:国家自然科学基金(51475328)
通讯作者: 丁文     E-mail: dingwen@tju.edu.cn
作者简介: 吴斌(1975-),男,河南通许人,天津大学副教授,博士,主要研究方向为激光及光电测试。wubin@tju.edu.cn
引用本文:   
吴斌,丁文,杨峰亭,薛婷. 非正交轴系全站仪坐标测量系统误差分析技术研究[J]. 计量学报, 2017, 38(6): 661-666.
WU Bin,DING Wen,YANG Feng-ting,XUE Ting. The Error Analysis of the Non-orthogonal Total Station Coordinate Measurement System. Acta Metrologica Sinica, 2017, 38(6): 661-666.
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