Radius Constraint Least-square Circle Fitting Method

被引：1
|
作者：
Zhu, Qiang [1 ]
Zhang, Guohui [2 ]
Xu, Zhen [3 ]
机构：
[1] Xian Technol Univ, Inst Measurement & Control Technol, Xian, Peoples R China
[2] Qinchuan Machine Tool Grp Co Ltd, Baaoji, Peoples R China
[3] Gongda Precis Machine Co Ltd, Xian, Peoples R China
来源：
PRECISION ENGINEERING AND NON-TRADITIONAL MACHINING | 2012年 / 411卷
关键词：
Least-square Method; Short Arc; Radius Constrained; Standard Ball; Radius Measurement;
D O I：
10.4028/www.scientific.net/AMR.411.241
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Short arc usually lost the most part of information in measurement, therefore the fitting center can not be found accurately. The shortage of least-square method is analyzed in short arc fitting. The uncertainty of fitting center direction and fitting radius is illustrated. And we derived the solution to estimation of fitting center direction. Base on the testing environment, radius constraint least-square fitting circle method is proposed. Simulations demonstrated excellent performance of this algorithm.
引用
收藏
页码：241 / +
页数：2
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