| 定日镜面形精度检测中的三坐标扫描系统的精度分析 |
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| 引用本文： | 许文斌,卢振武,张红鑫. 定日镜面形精度检测中的三坐标扫描系统的精度分析[J]. 光学技术, 2009, 35(5) |
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| 作者姓名： | 许文斌 卢振武 张红鑫 |
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| 作者单位： | 中国科学院长春光学精密机械与物理研究所,长春,130033;中国科学院研究生院,北京,100039;中国科学院长春光学精密机械与物理研究所,长春,130033 |
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| 摘 要： | 塔式太阳能热发电站的定日镜面形精度以法线误差来描述,在采用激光束偏转扫描方法检测时,为达到要求的检测精度,需结合光学测头的性能对三坐标扫描系统提出相应的精度要求。通过对扫描过程的建模,定量分析了三坐标系统的精度对测量结果的影响,为合理地选择三坐标系统的精度指标提供依据。
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| 关 键 词： | 定日镜 精度分析 法线 |
Accuracy analysis of coordinate measuring machine for the surface shape measurement of heliostats |
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| XU Wen-bin,LU Zhen-wu,ZHANG Hong-xin. Accuracy analysis of coordinate measuring machine for the surface shape measurement of heliostats[J]. Optical Technique, 2009, 35(5) |
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| Authors: | XU Wen-bin LU Zhen-wu ZHANG Hong-xin |
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| Affiliation: | 1.Changchun Institute of Optics;Fine Mechanics and Physics;Chinese Academy of Sciences;Changchun 130033;China;2.Graduate School of the Chinese Academy of Sciences;Beijing 100039;China |
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| Abstract: | The surface shape accuracy of heliostats in the solar thermal power plant is described by the errors of normal lines.As for the laser deflectometry method,the accuracy specifications of Coordinate Measuring Machine(CMM) are put forward in order to meet the increasing requirements of precision detection,combining with the performance of optical probe.By modeling the scanning process,the influence of accuracy specifications of CMM on the detection results is analyzed,which provides a basis for reasonably dete... |
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| Keywords: | heliostat accuracy analysis normal lines |
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