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Author:

李秀明 (李秀明.) | 石照耀 (石照耀.)

Indexed by:

CQVIP PKU CSCD

Abstract:

提出了基于曲率的圆度误差评定方法.从曲率的定义出发,推导出了用最大内接圆或最小外接圆评定圆度误差时筛选点的条件:用最大内接圆评定时,筛选掉曲率半径最小的点;用最小外接圆评定时,筛选掉曲率半径最大的点.根据这一条件,可以得到满足圆度误差评定原则的3个特征点,从而确定圆度误差.筛选点时,用最小二乘圆把测量点分成内点集合和外点集合,最大内接圆从内点集合中筛选,最小外接圆从外点集合中筛选,这样就可大大减少了计算量.经过实例验证,表明该方法的正确性和可行性.

Keyword:

最小外接圆 曲率 圆度误差 计量学 最大内接圆

Author Community:

  • [ 1 ] [李秀明]北京工业大学
  • [ 2 ] [石照耀]北京工业大学

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Source :

计量学报

ISSN: 1000-1158

Year: 2008

Issue: 2

Volume: 29

Page: 102-105

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 8

Chinese Cited Count:

30 Days PV: 2

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