CLET

Closed Loop Control of the Laser Welding Process through the Measurement of Plasma

Coordinatore	FUNDACION CARTIF    more  Organization address address: PQ TECNOLOGICO BOECILLO 205 city: BOECILLO postcode: 47151 contact info Titolo: Mr. Nome: Julio Cognome: González Email: send email Telefono: 34983546504 Fax: 34983546521
Nazionalità Coordinatore	Spain [ES]
Sito del progetto	http://clet.cartif.com.es
Totale costo	1˙418˙057 €
EC contributo	1˙023˙218 €
Programma	FP7-SME Specific Programme "Capacities": Research for the benefit of SMEs
Code Call	FP7-SME-2007-1
Funding Scheme	BSG-SME
Anno di inizio	2008
Periodo (anno-mese-giorno)	2008-11-01   -   2011-04-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	FUNDACION CARTIF  Organization address address: PQ TECNOLOGICO BOECILLO 205 city: BOECILLO postcode: 47151 contact info Titolo: Mr. Nome: Julio Cognome: González Email: send email Telefono: 34983546504 Fax: 34983546521	ES (BOECILLO)	coordinator	0.00
2	CONSIGLIO NAZIONALE DELLE RICERCHE  Organization address address: Piazzale Aldo Moro 7 city: ROMA postcode: 185 contact info Titolo: Ms. Nome: Angela Cognome: Loiudice Email: send email Telefono: +39 010 6598723 Fax: +39 010 6598732	IT (ROMA)	participant	0.00
3	Flexweld BV  Organization address address: BEDRIJVENWEG 55 city: NIJVERDAL postcode: 7442 CW contact info Titolo: Mr. Nome: Albert Cognome: Hofmeijer Email: send email Telefono: +31 (0) 548.544955 Fax: -	NL (NIJVERDAL)	participant	0.00
4	Josdan Soldadura Laser y Ajuste S.C  Organization address city: Burgos postcode: 9001 contact info Titolo: Mr. Nome: Jose Luis Cognome: Rojo Email: send email Telefono: +34 625036769 Fax: +34 947298939	ES (Burgos)	participant	0.00
5	PRECITEC GMBH & CO KG  Organization address address: Draisstrasse 1 city: GAGGENAU postcode: 76571 contact info Titolo: Mr. Nome: Udo Cognome: Hoeckelmann Email: send email Telefono: +49 6196 590 520 Fax: -+49 6196 590 5252	DE (GAGGENAU)	participant	0.00
6	UNIVERSITEIT TWENTE  Organization address address: DRIENERLOLAAN 5 city: ENSCHEDE postcode: 7522 NB contact info Titolo: Ms. Nome: J. H. Cognome: Van Houten-Vos Email: send email Telefono: +31 53 489 2444 Fax: +31 53 489 3631	NL (ENSCHEDE)	participant	0.00
7	UNIVERZITA PALACKEHO V OLOMOUCI  Organization address address: KRIZKOVSKEHO 8 city: OLOMOUC postcode: 771 47 contact info Titolo: Dr. Nome: Miroslav Cognome: Hrabovský Email: send email Telefono: +420 585 631 516 Fax: +420 585 631 531	CZ (OLOMOUC)	participant	0.00
8	VATRANS ZLIN VOS  Organization address address: BOZENY NEMCOVE 379 city: ZLIN postcode: 760 01 contact info Titolo: Dr. Nome: Milan Cognome: Lakomý Email: send email Telefono: +420 577 002 030 Fax: +420 577 210 153	CZ (ZLIN)	participant	0.00

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 Obiettivo del progetto (Objective)

'Laser welding is a widely used technique in automotive, aeronautical and shipbuilding industries. New developments are being investigated and it is expected that in the near future it will replace traditional welding techniques in many applications. During laser welding a free electron plasma is generated. The radiation emitted by that plasma and the plasma itself can be characterised by means of several specific measurements, among which specific wavelength radiation intensity, plasma electronic temperature and plasma electronic density are featured. Laser welding process is parameterised according to the characteristics of the specimens to be welded. Each type of specimen has its own parameter set, found during a design stage prior to fabrication. But due to laser facility degradation, ageing or unknown parameters that can influence the welding results the initial parameter set can loose its suitability, which induce human operators to tuning themselves the facility according to their knowledge. Moreover, manufacturing new things may require the calculation of a new parameter set, which is a time-consuming, waste-producer and cost ineffective process. Besides this, the problem of defective welded seams is always present. Defects cause product quality degradation and cost increase. Sometimes faults are originated by an inappropriate specimen preparation, but often an inadequate laser process tuning causes them. The objective of this project is to provide laser-welding facilities with an adaptronic module that, using knowledge-based intelligent algorithms founded on on-line self-optimisation and learning, gives the facilities self-adaptive capabilities for coping with changing production environments, allowing rapid reconfiguration and providing defect avoidance capabilities. This will be achieved by means of multi-layer control, plasma and radiation related sensing and actuator structures.'