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Welding diagnostics based on feature selection and optimization algorithms

Abstract: In a previous paper a new approach was explored where the output parameters of a welding monitoring system based on plasma spectroscopy were the participation profiles of plasma ions and neutral atoms. They were obtained by the generation of synthetic spectra and the use of an optimization algorithm, showing correlation to the appearance of defects on the seams. In this work a feature selection algorithm is included in the model to determine the most discriminant wavelengths in terms of defect detection, thus allowing to reduce the spectral range where the synthetic spectra are generated. This should also give rise to an improvement in the overall computational performance of the algorithm. Alternatives to the use of controlled randomn search algorithms will be also explored, and the resulting model will be checked by means of experimental and field tests of arc-welding processes.

Otras comunicaciones del congreso o articulos relacionados con autores/as de la Universidad de Cantabria

 Autoría: Mirapeix J., Cobo A., García-Allende P., Conde O., Lopez-Higuera J.,

 Congreso: Optical Sensing and Detection (2010 : Bruselas)

 Editorial: SPIE Society of Photo-Optical Instrumentation Engineers

 Fecha de publicación: 13/05/2010

 Nº de páginas: 8

 Tipo de publicación: Comunicación a Congreso

 DOI: 10.1117/12.854697

 ISSN: 0277-786X,1996-756X

 Proyecto español: TEC2007-67987-C02-01

 Url de la publicación: https://doi.org/10.1117/12.854697