## 留言板

 引用本文: 王炳杰, 赵军鹏, 王春洁等 . 基于三维最小二乘方法的空间直线度误差评定[J]. 北京航空航天大学学报, 2014, 40(10): 1477-1480.
Wang Bingjie, Zhao Junpeng, Wang Chunjieet al. Spatial straightness error evaluation based on three-dimensional least squares method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(10): 1477-1480. doi: 10.13700/j.bh.1001-5965.2013.0644(in Chinese)
 Citation: Wang Bingjie, Zhao Junpeng, Wang Chunjieet al. Spatial straightness error evaluation based on three-dimensional least squares method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(10): 1477-1480. (in Chinese)

## 基于三维最小二乘方法的空间直线度误差评定

##### doi: 10.13700/j.bh.1001-5965.2013.0644

###### 通讯作者: 王春洁
• 中图分类号: TH161.12

## Spatial straightness error evaluation based on three-dimensional least squares method

• 摘要: 空间直线度误差是评定机械产品精度的一项重要指标,实际工程中对空间直线度误差评定算法的精度要求越来越高.为了准确评定空间直线度误差,参照国家标准(GB/T 11336—2004),采用三维最小二乘方法建立了空间直线拟合的数学模型,并给出了该数学模型的精确解.基于最小二乘拟合中线,采用空间投影、坐标变换和格点法求得最小二乘中线包容圆柱面直径.采用数值算例验证了新方法的有效性.提出的空间直线度误差评定方法精度高、鲁棒性好且易于编程实现.

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##### 出版历程
• 收稿日期:  2013-11-14
• 网络出版日期:  2014-10-20

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