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Colorimetric analysis for on-line arc-welding diagnostics by means of plasma optical spectroscopy

Abstract: In this paper, an analysis on the suitability of employing a colorimetric analysis of the acquired plasma spectra to perform on-line arc-welding quality monitoring will be discussed. Different colorimetric parameters like the color temperature or the parameters associated with the hue, saturation, luminance color space will be evaluated in comparison with the standard approach based on the estimation of the plasma electronic temperature. This approach does not require the identification of the emission lines involved in the analysis, thus giving rise to a more efficient solution in terms of computational efficiency, and avoiding unambiguous identifications that may give rise to incorrect results. In particular, experimental tests performed with a tungsten inert gas arc-welding process will show the feasibility of using the proposed solution and its ability to perform an online detection of different welding perturbations.

 Autoría: Mirapeix Serrano J., Ruiz-Lombera R., Valdiande J., Cobo A., Lopez-Higuera J.,

 Fuente: IEEE Sensors Journal, 2016, 16(10), 3465-3471

 Editorial: Institute of Electrical and Electronics Engineers Inc.

 Fecha de publicación: 15/05/2016

 Nº de páginas: 6

 Tipo de publicación: Artículo de Revista

 DOI: 10.1109/JSEN.2015.2413057

 ISSN: 1530-437X,1558-1748

 Proyecto español: TEC2013-47264-C2-1-R

 Url de la publicación: https://doi.org/10.1109/JSEN.2015.2413057