Shape verification aimed for manufacturing process control

被引：6

作者：

Bergstrom, Per ^{[1
]}

Rosendahl, Sara ^{[2
]}

Sjodahl, Mikael ^{[2
]}

机构：

[1] Lulea Univ Technol, Dept Math, SE-97187 Lulea, Sweden

[2] Lulea Univ Technol, Dept Appl Phys & Mech Engn, Div Expt Mech, SE-97187 Lulea, Sweden

来源：

OPTICS AND LASERS IN ENGINEERING | 2011年 / 49卷 / 03期

关键词：

Shape measurement; Single pattern recording; Surface matching; On-line adaption; FORM SURFACE INSPECTION; REGISTRATION; ALGORITHM; PATTERN; OBJECTS; RANGE;

D O I：

10.1016/j.optlaseng.2010.11.009

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a method to verify the shape of manufactured objects by using their design model. A non-contact measuring method that consists of a stereo-camera system and a single projected fringe pattern is used. The method acquires one image from each camera. Additional shape information from the design model is also used. This surface-measurement method gives an accuracy of about 45 mu m. Deviations from the design model within +/- 1.6 mm can be correctly detected. The measured surface representation is matched to the design model using the ICP-method. Fast performance has been considered adapting the method for on-line use. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：403 / 409

页数：7

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