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Automated Inspection System for Rolling Stock Brake Shoes

Title
Automated Inspection System for Rolling Stock Brake Shoes
Author
김회율
Keywords
Image analysis; inspection and measurement system; rolling stock brake shoe
Issue Date
2011-12
Publisher
IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS
Citation
IEEE Transactions, Aug 2011, 60(8), p.2835-2847
Abstract
An automated vision system that inspects brake shoes for rolling stock is proposed. The system consists of two modules, namely, one for image acquisition and another for image analysis. The first module is placed under the railway tracks and automatically captures the images of brake shoes using digital cameras as trains pass the module. The captured images and train information are then transferred into a database. Three specifications, namely, the thickness, any unbalanced wear on the brake shoes, and the distances between the brake shoes and the wheels are measured by the second image analysis module. Shadow regions between the brake shoes and the wheels are defined for detecting brake shoes and wheels. They are also utilized to model both the boundaries of brake shoes and wheels as part of a constrained curve-fitting problem. The measurements were made in terms of the distance between the fitted curves rather than the number of pixels in the image. Experimental results show that our system can measure all specifications of the brake shoes with high accuracy values.
URI
https://ieeexplore.ieee.org/abstract/document/5751686/http://hdl.handle.net/20.500.11754/65671
ISSN
0018-9456
DOI
10.1109/TIM.2011.2119110
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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