Robotic GMAW online learning: issues and experiments

  • Reyes Rios-Cabrera
  • America B. Morales-Diaz
  • Jaime F. Aviles-Viñas
  • Ismael Lopez-Juarez


This paper presents three main contributions: (i) an experimental analysis of variables, using well-defined statistical patterns applied to the main parameters of the welding process. (ii) An on-line/off-line learning and testing method, showing that robots can acquire a useful knowledge base without human intervention to learn and reproduce bead geometries. And finally, (iii) an on-line testing analysis including penetration of the bead, that is used to train an artificial neural network (ANN). For the experiments, an optic camera was used in order to measure bead geometry (width and height). Also real-time computer vision algorithms were implemented to extract training patterns. The proposal was carried out using an industrial KUKA robot and a GMAW type machine inside a manufacturing cell. We present expermental analysis that show different issues and solutions to build an industrial adaptive system for the robotics welding process.


ANN Computer vision Bead geometry Bead penetration Industrial robots Robotics on-line learning Robotics welding 


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Copyright information

© Springer-Verlag London 2016

Authors and Affiliations

  • Reyes Rios-Cabrera
    • 1
  • America B. Morales-Diaz
    • 1
  • Jaime F. Aviles-Viñas
    • 1
  • Ismael Lopez-Juarez
    • 1
  1. 1.Robotics and Advanced ManufacturingCINVESTAV-IPNRamos ArizpeMexico

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