Monitoring of Laser Welding Process Using Its Acoustic Emission Signal

  • Volodymyr Shelyagin
  • Ievgen Zaitsev
  • Artemii Bernatskyi
  • Vladyslav Khaskin
  • Ivan Shuba
  • Volodymyr Sydorets
  • Oleksandr Siora
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 754)


Processing and identification of signals informatively characterizing any technological process, especially the signals of acoustic and electromagnetic emission, is a complex multi-level task. Many studies are devoted to solving it. However, no comprehensive system for analyzing these signals has been represented yet. This study found out that there is a relationship between the parameters of laser welding technological process and registered acoustic emission signals, and that relationship is independent on investigation methods. The signals of acoustic and electromagnetic emission have been chosen as feedback signals of laser welding technological process, because their transmission and analysis require minimal time and computational resources. The paper describes the peculiarities of channels shielding for transmitting the technological data, in particular, the circuits of applying the shields for electromagnetic protection are given and their efficiency is shown.


Laser welding Acoustic emission Signal registration Signal identification Quality Defect detection 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Volodymyr Shelyagin
    • 1
  • Ievgen Zaitsev
    • 1
  • Artemii Bernatskyi
    • 1
  • Vladyslav Khaskin
    • 1
  • Ivan Shuba
    • 1
  • Volodymyr Sydorets
    • 1
  • Oleksandr Siora
    • 1
  1. 1.E.O. Paton Electric Welding Institute of the NAS of UkraineKyivUkraine

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