Spectroscopic optical sensors for welding diagnostics
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AuthorMirapeix Serrano, Jesús María; Cobo García, Adolfo; Valdiande Gutiérrez, José Julián; Ruiz Lombera, Rubén; García Allende, Pilar Beatriz; Conde Portilla, Olga María; Rodríguez Cobo, Luis; López Higuera, José Miguel
A review of solutions involving plasma optical spectroscopy applied to on-line welding quality monitoring is presented in this paper. After a brief introduction to welding processes and their requirements in terms of quality monitoring, different proposals for on-line monitoring will be addressed. The basics of welding monitoring via plasma spectroscopy in terms of light capture and hardware and processing requirements will be also introduced, and different approaches will be presented. Finally, a variety of examples regarding field trials in different sectors will be also discussed.
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