Use of the plasma RMS signal for on-line welding quality monitoring

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URI: http://hdl.handle.net/10902/2455
ISSN: 1996-756X
ISSN: 0277-786X
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Autoría
Mirapeix Serrano, Jesús MaríaAutoridad Unican; Cobo García, AdolfoAutoridad Unican; García Allende, Pilar Beatriz; Conde Portilla, Olga MaríaAutoridad Unican; López Higuera, José MiguelAutoridad Unican
Fecha
2010-05-13
Derechos
© 2010 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Publicado en
Proceedings of SPIE, 2010, vol. 7726, 772625
Optical Sensing and Detection, Bruselas, 2010
Editorial
SPIE Society of Photo-Optical Instrumentation Engineers
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Palabras clave
Arc-welding
On-line monitoring
Plasma optical spectroscopy
RMS signal
Resumen/Abstract
In this paper a new spectroscopic monitoring parameter is proposed for the on-line monitoring of welding processes, the plasma RMS signal, which is determined by considering the contribution from the spectral samples over a particular spectral window. This parameter is directly related to the heat input that can be estimated by measuring both welding voltage and current, but it exhibits a higher sensitivity to the appearance of weld defects. A comparison between the results obtained from the different spectroscopic parameters will be presented, with data from both experimental and field arc-welding tests.
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