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Quility Monitoring in Robotised Short Circuiting GMA Welding
Ansvarlig organisasjon
1997 (engelsk)Rapport (Annet vitenskapelig)
Abstract [en]

This paper addresses the problem of automatic monitoring the weld quality produced by robotised short arc welding. A simple statistical change detection algorithm for the weld quality, recursive Sequential Probability Ratio Test (SPRT), is used. The algorithm may equivalently be viewed as a cumulative sum (CUSUM) - type test. The test statistics is based upon the variance of the amplitude of the weld voltage. The performance of the algorithm is evaluated using experimental data. The results obtained from the algorithm indicate that it is possible to detect changes in the weld quality automatically and on-line.

sted, utgiver, år, opplag, sider
1997.
Serie
Blekinge Institute of Technology Research report, ISSN 1103-1581 ; 3
Emneord [en]
Quality monitoring, GMA Welding, Detection
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-00044Lokal ID: oai:bth.se:forskinfoA80E52B8C8789D21C12568A3002CA9B9OAI: oai:DiVA.org:bth-00044DiVA, id: diva2:837608
Tilgjengelig fra: 2012-09-18 Laget: 2000-03-15 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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