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Detection method and evaluation of zoom CAM curve based on linear displacement
Zhao, Yue; Kang, Shifa; Qin, Xing
2020
会议名称2020 International Conference on Optoelectronic and Microelectronic Technology and Application
会议录名称International Conference on Optoelectronic and Microelectronic Technology and Application
卷号11617
会议日期2020-10-20
会议地点Nanjing, China
出版者SPIE
产权排序1
摘要

Zoom CAM curve is an important part of the optical system imaging. The processing accuracy of the curve directly affects the image clarity and consistency of the optical system. In this paper, a high precision measuring device for zoom CAM curve is designed, and an optimization method of testing results is adopted. According to the curve of the CAM rotation Angle and the number of teeth on the surface of the cylindrical, with mesh number as the sample size, relative to the CAM follower parts through the grating ruler curve of linear displacement measurement and corresponding data fitting. The regression analysis method is adopted to analyze the measurement results of the grating ruler based on the detection of the altimeter, and the regression equation is obtained and modified to optimize the measurement fitting data, so as to finally improve the detection accuracy of the zoom CAM curve. The confidence interval of machining accuracy based on grating ruler CAM curve is analyzed and evaluated by an example. The results show that the zoom CAM curve detection device and result optimization method proposed in this paper have the characteristics of high accuracy, high stability and easy realization. © 2020 COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

关键词CAM curve Regression analysis Confidence interval High precision High stability
作者部门装校技术研究中心
DOI10.1117/12.2585040
收录类别EI ; CPCI
ISBN号9781510640696
语种英语
ISSN号0277786X;1996756X
WOS记录号WOS:000665756500042
EI入藏号20210109718870
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/94236
专题装校技术研究中心
作者单位Xi'an Institute of Optics and Precision Mechanicsn of Cas, Xi'an, ShaanXi, China
推荐引用方式
GB/T 7714
Zhao, Yue,Kang, Shifa,Qin, Xing. Detection method and evaluation of zoom CAM curve based on linear displacement[C]:SPIE,2020.
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