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On-line surface inspection with fuzzy-ASIC modules

Echtzeit-Oberflächeninspektion mit Fuzzy-ASIC Modulen
 

Zimmermann, H.-J. ; Deutsche Gesellschaft für Operations Research -DGOR-; European Laboratory for Intelligent Techniques Engineering:
EUFIT 1997, 5th European Congress on Intelligent Techniques and Soft Computing. Proceedings. Vol.3 : Aachen, Germany, September 8 - 11, 1997
Aachen: Verl. Mainz, 1997
ISBN: 3-89653-200-6
S.2474-2479
European Congress on Intelligent Techniques and Soft Computing (EUFIT) <5, 1997, Aachen>
Englisch
Konferenzbeitrag
Fraunhofer IWU ()
fuzzy; classification; surface; inspection; ASIC; steel; failure detection; FPGA; Co-Occurrence-Matrix

Abstract
The paper presents a system for on-line failure detection on cold-rolled steel. A special hardware system based on FPGA modules was developed to get the necessary performance. Fuzzy Pattern Classification is used as classification method. The input vector for the classification consists of several statistical features taken from the co-occurrence matrix and the difference histogram. The described system is able to detect surface failures greater than 1 mm in real-time at a strip speed up to 6 m/s. Failures are allocated to about 10 failure classes.

: http://publica.fraunhofer.de/dokumente/PX-27130.html