| 摘要: |
| 在分析圆度误差和同轴度误差原理的基础上，研制出一种数字化测量装置，利用相对测量提取出待测特征点的信息，并用最小二乘法进行数据处理，得出工件的圆度和同轴度误差。与传统的手工测量相比，本系统精度高、方便快捷、应用性强。 |
| 关键词: 圆度误差 同轴度误差 最小二乘法 |
| 基金项目: |
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| Development of Geometric Parameter Metrical System forLarge Size Dimension Cylinder |
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Ren Fuming1, Zhang Maoyun1, An Lihui1, Liang Jufeng1, Hao Wenlong2, Li Mingyu3
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1. China Academy of Launch Vehicle Technology, Beijing 100076;2. Capital Aerospace Machinery Company, Beijing 100076;3. School of Electrical Engineering and Automatic, Harbin Institute of Technology, Harbin 150001
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| Abstract: |
| Based on the analysis of roundness error and coaxiality error, a digital measurement equipment is achieved, which gets value by relative measurement and data processing as well as least square method. Compared to traditional manual measurement, this system shows high accuracy, convenience and forceful application. |
| Key words: roundness error coaxiality error least square method |
