Measurement Uncertainty Evaluation on Circular Diameters Based on Error Ellipse Theory and Monte Carlo Method

被引：0
|
作者：
Zhu M. [1 ]
Wu Z. [1 ]
Wu J. [1 ]
Du Z. [1 ]
Yang J. [1 ]
机构：
[1] School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai
来源：
Du, Zhengchun (zcdu@sjtu.edu.cn) | 1600年 / Shanghai Jiaotong University卷 / 51期
关键词：
Coordinate measuring machine (CMM); Diameter; Error ellipse; Monte Carlo method; Uncertainty;
D O I：
10.16183/j.cnki.jsjtu.2017.04.002
中图分类号：
学科分类号：
摘要：
The measuring circle function of coordinate measuring machine (CMM) is studied and a new uncertainty evaluation model is established in the paper based on error ellipse theory and Monte Carlo method. The uncertainty of the sample points is expressed in the error ellipse. The paper uses the Monte Carlo method to get the uncertainty of diameter in circle fitted by the least square method. The method is more quickly as the less sample data involved. Comparison the experimental measure with the results by method proposed in the paper, it can draw a conclusion that the method can evaluate the diameter uncertainty accurately. © 2017, Shanghai Jiao Tong University Press. All right reserved.
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页码：393 / 397
页数：4
相关论文
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