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Real-Time Testing of Steel Strip Welds based on Bayesian Decision Theory

By Julio Molleda, Daniel F. García, Juan C. Gr and Francisco J. Suárez

Abstract

Abstract—One of the main trouble in a steel strip manufacturing line is the breakage of whatever weld carried out between steel coils, that are used to produce the continuous strip to be processed. A weld breakage results in a several hours stop of the manufacturing line. In this process the damages caused by the breakage must be repaired. After the reparation and in order to go on with the production it will be necessary a restarting process of the line. For minimizing this problem, a human operator must inspect visually and manually each weld in order to avoid its breakage during the manufacturing process. The work presented in this paper is based on the Bayesian decision theory and it presents an approach to detect, on real−time, steel strip defective welds. This approach is based on quantifying the tradeoffs between various classification decisions using probability and the costs that accompany such decisions

Topics: Pattern Recognition, Probabilistic Reasoning, Statistical Data Analysis. I
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.1712
Provided by: CiteSeerX
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