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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Weld Defect Categorization from Welding Current using Principle Component Analysis

Author 1: Hayri Arabaci
Author 2: Salman Laving

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2019.0100628

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 10 Issue 6, 2019.

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Abstract: Real time welding quality control still remains a challenging task due to the dynamic characteristic of welding. Welding current of gas metal arc welding possess valuable information that can be analyzed for weld quality assessment purposes. On-line monitoring of motor current can be provided information about the welding. In this study, current signals obtained during welding in the short- circuit metal transfer mode were used for real-time categorization of deliberately induced weld defects and good welds. A hall-effect current sensor was employed on the ground wiring of the welding machine to acquire the welding current signals during the welding process. Vector reduction of the current signals in time domain was achieved by principle component analysis. The reduced vector was then classified by various classification techniques such as support vector machines, decision trees and nearest neighbor to categorize the arc weld defects or pass it as a good weld. The proposed technique has proved to be successful with accurate classification of the welding categories using all three classifiers. The classification technique is fast enough so it can be used for real time weld quality control as all the signal processing is carried out in the time domain.

Keywords: Arc weld defects; feature extraction; PCA; classification techniques; on-line monitoring

Hayri Arabaci and Salman Laving, “Weld Defect Categorization from Welding Current using Principle Component Analysis” International Journal of Advanced Computer Science and Applications(IJACSA), 10(6), 2019. http://dx.doi.org/10.14569/IJACSA.2019.0100628

@article{Arabaci2019,
title = {Weld Defect Categorization from Welding Current using Principle Component Analysis},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2019.0100628},
url = {http://dx.doi.org/10.14569/IJACSA.2019.0100628},
year = {2019},
publisher = {The Science and Information Organization},
volume = {10},
number = {6},
author = {Hayri Arabaci and Salman Laving}
}


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