Inverse-filtering algorithm for laser weld fault detection

Details Inverse-filtering algorithm for laser weld fault detection Inverse-filtering algorithm for laser weld fault detection

B - Operations, Transporting

23

K

B23K 26/02 (2006.01) B23K 26/03 (2006.01)

Patent

CA 2323802

Potential faults in laser processing of components, such as welding, are identified by determining an average from a set of samples and monitoring deviations from the average within the set. A coefficient indicative of deviations from an average set of conditions is developed that allows monitoring of more than one parameter, typically IR and UV emissions from the laser processing.

Selon cette invention, les erreurs susceptibles d'être commises lors de traitements au laser, tels que la soudure, de composants, peuvent être identifiées par détermination d'une moyenne à partir d'un ensemble d'échantillons et par suivi de l'écart à la moyenne à l'intérieur de cet ensemble. Un coefficient représentatif des écarts d'un ensemble moyen de conditions est élaboré. Ce coefficient permet de contrôler plus d'un paramètre, en général les émissions IR et UV provenant du traitement au laser.

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