OPTO-MECHANICAL METHODOLOGY FOR FEATURE DETECTION OF CONTOURS

被引:0
|
作者
Shetty, Devdas [1 ]
Campana, Claudio [1 ]
Dinan, Robert [1 ]
Gurimitkala, Anil [1 ]
Nazaryan, Nikolay [1 ]
Moslehpour, Saeid [1 ]
机构
[1] Univ Hartford, Coll Engn Technol & Architecture, Hartford, CT 06117 USA
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Precise measurement of curvature is of critical importance in the aerospace industry. This paper presents a methodology for non-contact measurement of radius of curvature on the finished surface of manufactured parts. Unique optical methods including a Line Laser and a backlight are explored. In each case, a light source illuminates the features to be measured and several sets of high-contrast images are produced. For that purpose a low power (2mW) Helium-Neon (HeNe) laser source has been used. The images are processed using specific software and data points are mapped along the region of interest. A mathematical relationship is used to extrapolate the radius of curvature from the measured data.
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收藏
页码:629 / 638
页数:10
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