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浙江大学学报(工学版)
浙江大学学报(工学版)
能源与机械工程     
大尺寸空间测量中转站误差分析与估计
金涨军, 李江雄, 俞慈君, 柯映林
浙江大学 机械工程系,浙江 杭州 310027
Registration error analysis and evaluation in large-volume metrology system
JIN Zhang-jun, LI Jiang-xiong, YU Ci-jun, KE Ying-lin
Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
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摘要：

为了评价飞机装配过程中大尺寸测量系统的现场测量精度,介绍了激光跟踪仪转站测量的基本原理.通过分析激光跟踪仪转站过程中的测量误差传递过程,提出对转站参数误差和转站误差的理论估计模型.该模型描述了公共观测点的配置和激光跟踪仪对公共观测点的测量误差对转站精度的影响.基于该模型,实现了对转站参数误差和转站误差的不确定度评定.利用蒙特卡洛方法对激光跟踪仪转站过程进行模拟,验证了提出的转站参数误差不确定度评定方法和转站误差估计方法的正确性.
Abstract:

The basic principle of coordinate system registration method was introduced in order to evaluate the measurement accuracy of large-scale metrology system in aircraft assembly. Then an explicit model was derived to mathematically describe the transformation parameter errors and the registration error. The model reveals the impacts of the layout of the enhanced reference system (ERS) points and the measurement errors of the ERS points of the laser tracker. The uncertainty evaluation of the transformation parameter errors and the estimation of the registration error were fulfilled based on the derived model. Monte-Carlo simulation was performed to simulate the coordinate system registration process. The proposed uncertainty evaluation method and the estimation method were validated.
出版日期: 2015-04-01
:  TH 165  
基金资助:

国家自然科学基金资助项目(51375442)
通讯作者: 俞慈君，男，讲师     E-mail: yuppy@zju.edu.cn
作者简介: 金涨军(1985—), 男，博士生，从事飞机装配数字化测量技术的研究. E-mail:leopard85@zju.edu.cn
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引用本文:

金涨军, 李江雄, 俞慈君, 柯映林. 大尺寸空间测量中转站误差分析与估计[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.04.007.

JIN Zhang-jun, LI Jiang-xiong, YU Ci-jun, KE Ying-lin. Registration error analysis and evaluation in large-volume metrology system. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.04.007.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.04.007    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I4/655

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