Flexible Vision Inspection for Seat Frame of Automobile using Slit Beam

Title
Flexible Vision Inspection for Seat Frame of Automobile using Slit Beam
Author(s)
정병묵소범식[소범식]이상훈[이상훈]
Issue Date
201108
Publisher
KOREAN SOC PRECISION ENG
Citation
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.12, no.4, pp.605 - 612
Abstract
Today's world automobile market is highly competitive. Quality of automobile is considered even more important and thus efforts are being made to improve the quality of automobile parts in order to survive in such competitive market. Despite rapid development of inspection devices using the vision system, there are few inspection systems for automobile parts. The reason is because the inspection with only one camera is nearly impossible, since automobile parts are three-dimensional and large. The seat frame, one of the typical automobile parts, has various models and is assembled using more than 20 subparts. This paper suggests a flexible assembly inspection system of seat frame through the following procedures: first, the inspection method is standardized so that the system can cope with not only some currently existing models but also latent models in the future. Second, 6 cameras are used for inspecting seat frame assembly; 4 cameras are for measuring accuracy, and 2 for right and left-hand sides. Third, a simple pattern matching method is proposed for checking the position of assembly parts. Finally, slit beam method is proposed for checking the existence of assembly parts. Especially, it is very effective to inspect assembly of automobile parts with 3D shape and complex background image.
URI
http://hdl.handle.net/YU.REPOSITORY/24813http://dx.doi.org/10.1007/s12541-011-0078-8
ISSN
1229-8557
Appears in Collections:
공과대학 > 기계공학부 > Articles
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