Camera based closed loop control for partial penetration welding of overlap joints

Research output: Contribution to conferences › Paper › Contributed › peer-review

Contributors

  • Felix Abt - , University of Stuttgart (Author)
  • A. Heider - , University of Stuttgart (Author)
  • R. Weber - , University of Stuttgart (Author)
  • T. Graf - , University of Stuttgart (Author)
  • Andreas Blug - , Fraunhofer Institute for Physical Measurement Techniques (Author)
  • D. Carl - , Fraunhofer Institute for Physical Measurement Techniques (Author)
  • Heinrich Höfler - , Fraunhofer Institute for Physical Measurement Techniques (Author)
  • Leonardo Nicolosi - , TUD Dresden University of Technology (Author)
  • R. Tetzlaff - , Chair of Fundamentals of Electronics (Author)

Abstract

Welding of overlap joints with partial penetration in automotive applications is a challenging process, since the laser power must be set very precisely to achieve a proper connection between the two joining partners without damaging the backside of the sheet stack. Even minor changes in welding conditions can lead to bad results. To overcome this problem a camera based closed loop control for partial penetration welding of overlap joints was developed. With this closed loop control it is possible to weld such configurations with a stable process result even under changing welding conditions.

Details

Original languageEnglish
Pages730-738
Number of pages9
Publication statusPublished - 15 Apr 2011
Peer-reviewedYes

Conference

TitleInternational WLT Conference on Lasers in Manufacturing
Conference number
Duration23 - 26 May 2011
Location
CityMunich
CountryGermany

External IDs

ORCID /0000-0001-7436-0103/work/142240311

Keywords

ASJC Scopus subject areas

Keywords

  • Cellular neural networks, Closed-loop control, Laser welding, Partial penetration, Quality control

Library keywords