Estimation of uncertainty of measurements of 3D mechanisms after kinematic calibration

被引：0
|
作者：
Takamasu, K. [1 ]
Sato, O. [1 ]
Shimojima, K. [1 ]
Takahashi, S. [1 ]
Furutani, R. [1 ]
机构：
[1] Univ Tokyo, Dept Precis Engn, Bunkyo Ku, Tokyo 1138656, Japan
来源：
7th International Symposium on Measurement Technology and Intelligent Instruments | 2005年 / 13卷
关键词：
D O I：
10.1088/1742-6596/13/1/044
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Calibration methods for 3D mechanisms are necessary to use the mechanisms as coordinate measuring machines. The calibration method of coordinate measuring machine using artifacts, the artifact calibration method, is proposed in taking account of traceability of the mechanism. There are kinematic parameters and form-deviation parameters in geometric parameters for describing the forward kinematic of the mechanism. In this article, the estimation methods of uncertainties using the calibrated coordinate measuring machine after the calibration are formulated. Firstly, the calculation method which takes out the values of kinematic parameters using least squares method is formulated. Secondly, the estimation value of uncertainty of the measuring machine is calculated using the error propagation method.
引用
收藏
页码：186 / 189
页数：4
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