Industrial informatics

Laser Weld Inspection

Real-time monitoring of the laser-based applications is becoming a main issue for quality analysis in the steel manufacturing industry. We have studied a solution that permits to achieve an automated real-time quality inspection in laser welding applications. A composite system composed of computational intelligence and traditional techniques has been considered for its positive impact on the reduced computational once compared with more traditional approaches.

The research have been performed in collaboration with Philips and FIAT.

Relevant publications

C. Alippi, G. D'Angelo, M. Matteucci, G. Pasquettaz, V. Piuri, F. Scotti, Composite techniques for quality analysis in automotive laser welding, Proc. of the 2003 IEEE Int. Comference on Computational Intelligence for Measurement Systems and Applications (CIMSA 2003), pp. 72-77, Lugano, Switzerland, July 2003, ISSN 0-7803-7783-4.
C. Alippi, G. D'Angelo, M. Matteucci, G. Pasquettaz, V. Piuri, F. Scotti, A system and method for monitoring laser welds and giving an indication of the quality of welding, European Patent no. EP1371443, April 2003.
C. Alippi, G. D'Angelo, G. Invernizzi, G. Pasquettaz, V. Piuri, System and method for monitoring laser welds, particularly in tailored blanks, European Patent no. EP1361015, April 2003.
C. Alippi, G. D'Aangelo, M. Matteucci, G. Pasquettaz, V. Piuri, F. Scotti, Sistema di monitoraggio per la qualita' di saldature laser in tempo reale (Real-time laser welding monitoring system), Italian Patent No. TO2002A000508, 2002.