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  4. New CNN based algorithms for the full penetration hole extraction in laser welding processes: Experimental results
 
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2009
Conference Paper
Title

New CNN based algorithms for the full penetration hole extraction in laser welding processes: Experimental results

Abstract
In this paper the results obtained by the use of new CNN based visual algorithms for the control of welding proces ses are described. The growing number of laser welding applications from automobile production to micro mechanics requires fast systems to create closed loop control for error prevention and correction. Nowadays the image processing frame rates of conventional architectures [1] are not sufficient to control high speed laser welding processes due to the fast fluctuation of the full penetration hole [3]. This paper focuses the attention on new strategies obtained by the use of the Eye-RIS system v1.2 which includes a pixel parallel Cellular Neural Network (CNN) based architecture called Q-Eye [2]. In particular, new algorithms for the full penetration hole detection with frame r ates up to 24 kHz will be presented. Finally, the results obtained performing real time control of welding processes by the use of these algorithms will be discussed.
Author(s)
Nicolosi, L.
Tetzlaff, R.
Abt, F.
Höfler, H.  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Blug, A.  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Carl, D.  
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Mainwork
International Joint Conference on Neural Networks, IJCNN 2009. Vol.4  
Conference
International Joint Conference on Neural Networks (IJCNN) 2009  
Open Access
File(s)
Download (2.56 MB)
Rights
Use according to copyright law
DOI
10.24406/publica-r-364293
10.1109/IJCNN.2009.5178648
Language
English
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Keyword(s)
  • cellular neural network (CNN)

  • laser welding

  • production engineering

  • manufacturing process

  • production engineering

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