摘要
激光跟踪仪测角精度较低,不适宜单独实施三维控制网测量。针对这种现状,本文从理论上分析了激光跟踪仪结合全站仪进行三维控制网测量的合理性,并在上海软X射线FEL装置安装三维控制网测量中对这一方法进行验证。实验结果表明,本文采用的方法具有较高的精度和效率,控制网总体网点误差0.03mm,平均网点误差0.02mm,X、Z轴中误差均0.09mm,满足上海软X射线FEL装置精密安装要求。同时,该法弥补了激光跟踪仪测角精度不高的缺陷,因此不失为一种提高三维控制网精度的有效方法,也为类似控制测量的施展提供了一个新的技术视点。
Laser tracker has low angular measurement accuracy, so it is not suitable to implement three-dimensional control network measurement alone.In view of this situation,this paper theoretically analyses the rationality of laser tracker combined with total station for three-dimensional control network measurement,and validates this method in the installation three-dimensional control network measurement in Shanghai soft X-ray FEL device.The experimental results show that the method adopted in this paper has high accuracy and efficiency,the overall points error is 0.03 mm,and the average point error is 0.02 mm,and the mean square deviation of X-axis and Z-axis is 0.09 mm, which meets the installation precision requirements of Shanghai soft X-ray FEL device.Meanwhile,this method makes up for the defect of low angle measurement accuracy of laser tracker,so it is an effective method to improve the accuracy of three-dimensional control network,and also provides a new technical perspective for the implementation of similar control measurement.
作者
张振虎
ZHANG Zhenhu(Shanghai Research Institute of Survey and Design (Group) Company Limited,Shanghai 200093,China)
出处
《北京测绘》
2019年第6期708-712,共5页
Beijing Surveying and Mapping
关键词
误差方程
光束法平差
激光跟踪仪
全站仪
空间联合精密控制网
error equation
bundle adjustment
laser tracker
total station
Unified Spatial Metrology Network(USMN)
