| 非球面测量系统与数据处理技术研究 |
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| 引用本文： | 范剑红,林金兰.非球面测量系统与数据处理技术研究[J].测控技术,2011,30(12):25-28. |
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| 作者姓名： | 范剑红 林金兰 |
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| 作者单位： | 福建莆田学院电子信息工程系,福建莆田,351100 |
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| 摘 要： | 基于上下位机结构设计光学非球面检验系统,采用工控机作为上位机,下位机由运动控制卡和数据采集卡构成.通过计数器协调运动控制单元和数据采集单元的动作,可实现检测过程坐标的准确定位和高精度的数据采集.对一般非球面方程进行变换后,采用最小二乘拟合算法对数据进行曲面拟合处理.并可适当增加测量点数据来减少测量误差.通过数据实验表明...
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| 关 键 词： | 非球面 运动控制 数据采集 最小二乘法 曲面拟合 |
Study on Aspheric Measuring System and Data Processing Technique |
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| FAN Jian-hong,LIN Jin-lan.Study on Aspheric Measuring System and Data Processing Technique[J].Measurement & Control Technology,2011,30(12):25-28. |
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| Authors: | FAN Jian-hong LIN Jin-lan |
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| Affiliation: | FAN Jian-hong,LIN Jin-lan(Department of Electronics and Information Engineering,Putian University,Putian 351100,China) |
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| Abstract: | An aspheric measuring system based on master-slaved computer structure is designed.The master computer adopts industrial computer,while the slaved computer is composed of motion control card and data acquisition card.A scaler is used to detect the pulse output by the motion control cell and feedback to data acquisition cell so that the sensor realizes accurate location and high precision data acquisition.Under the basis of transforming the aspheric equation into polynomial equations,surface fitting is carri... |
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| Keywords: | aspheric surface motion control data acquisition least square method surface fitting |
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