Species discrimination in plasma welding spectra by means of principal and independent component analysis

E. Real; J. Mirapeix; O. M. Conde; R. Ruiz-Lombera; A. Cobo; J. M. Lopez-Higuera

doi:10.1117/12.2054722

2 June 2014 Species discrimination in plasma welding spectra by means of principal and independent component analysis

E. Real, J. Mirapeix, O. M. Conde, R. Ruiz-Lombera, A. Cobo, J. M. Lopez-Higuera

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91570F (2014) https://doi.org/10.1117/12.2054722
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

Principal and Independent Component Analysis are used in this paper to provide a discrimination among those species participating in the plasma of welding spectra. This approach might be useful for spectral line identification for emission spectroscopy, especially for online welding diagnostics and laser induced breakdown spectroscopy. In this case, the feasibility of this proposal will be analyzed by means of arcwelding experiments where different plasma species will be separated by the proposed processing scheme.

Citation Download Citation

E. Real, J. Mirapeix, O. M. Conde, R. Ruiz-Lombera, A. Cobo, and J. M. Lopez-Higuera "Species discrimination in plasma welding spectra by means of principal and independent component analysis", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91570F (2 June 2014); https://doi.org/10.1117/12.2054722

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