Feasibility study of imaging spectroscopy to monitor the quality of online welding

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URI: http://hdl.handle.net/10902/812
ISSN: 1559-128X
ISSN: 2155-3165
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Autoría
Mirapeix Serrano, Jesús MaríaAutoridad Unican; García Allende, Pilar Beatriz; Cobo García, AdolfoAutoridad Unican; López Higuera, José MiguelAutoridad Unican
Fecha
2009-08-20
Derechos
© 2009 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/AO.48.004735. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Publicado en
Applied Optics, 2009, 48(24), 4735-4742
Editorial
The Optical Society (OSA)
Resumen/Abstract
An online welding quality system based on the use of imaging spectroscopy is proposed and discussed. Plasma optical spectroscopy has already been successfully applied in this context by establishing a direct correlation between some spectroscopic parameters, e.g., the plasma electronic temperature and the resulting seam quality. Given that the use of the so-called hyperspectral devices provides both spatial and spectral information, we propose their use for the particular case of arc welding quality monitoring in an attempt to determine whether this technique would be suitable for this industrial situation. Experimental welding tests are presented, and the ability of the proposed solution to identify simulated defects is proved. Detailed spatial analyses suggest that this additional dimension can be used to improve the performance of the entire system.
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