| 角位移和线位移圆度误差分离技术的比对分析 |
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| 引用本文： | 苏恒,洪迈生,魏元雷,李自军,熊诗波.角位移和线位移圆度误差分离技术的比对分析[J].上海交通大学学报,2002,36(8):1060-1063. |
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| 作者姓名： | 苏恒 洪迈生 魏元雷 李自军 熊诗波 |
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| 作者单位： | 1. 上海交通大学,机械与动力工程学院,上海,200030
2. 太原理工大学,机械电子工程研究所,太原,030024 |
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| 基金项目： | 国家自然科学基金资助项目 (5 0 0 75 0 5 6) |
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| 摘 要： | 分析了采用角位移三点法和线位移三点法测量工件圆度误差时，两种方法权函数的频域特性：谐波抑制特性、测量系统权函数总体特点性对噪声的敏感特性。结果表明，角位移三点法存在0阶、1阶谐波抑制，且该测量系统的权函数有高通特性，这些特性不利于提高属于低频信号范围的圆度误差的测量精度，但有助于抑制测量噪声对圆度误差分离精度的影响。
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| 关 键 词： | 圆度误差 误差分离技术 角位移三点法 线位移三点法 权函数 误差测量 |
| 文章编号： | 1006-2467(2002)08-1060-04 |
Comparative Analysis Between Two Kinds of Roundness Error Separation Technique |
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| SU Heng ,HONG Mai sheng ,WEI Yuan lei ,LI Zi jun ,XIONG Shi bo.Comparative Analysis Between Two Kinds of Roundness Error Separation Technique[J].Journal of Shanghai Jiaotong University,2002,36(8):1060-1063. |
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| Authors: | SU Heng HONG Mai sheng WEI Yuan lei LI Zi jun XIONG Shi bo |
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| Institution: | SU Heng 1,HONG Mai sheng 1,WEI Yuan lei 1,LI Zi jun 1,XIONG Shi bo 2 |
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| Abstract: | This paper made a comparative analysis on the two on machine measurement roundness error methods, which are the angular three point method and displacement three point method. The research is focused on three aspects characteristics of the transfer function frequency domain such as harmonic suppression, transfer function general feature and the sensitivity to noise. A conclusion was made that the angular three point method has 0 and 1 order harmonic suppression and the transfer function has the familiar character as high pass filter, which is sensitive to high frequency signal. It is of little avail to promote the roundness error measurement precision of low frequency signal. However, the angular three probe method can reduce the distortion influenced by noise. |
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| Keywords: | roundness error error separation technique(EST) angular three point method displacement three point method |
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