“…• using specialized programs to perform digital processing and analysis of electric signals, corresponding to process technological parameters: welding current, arc voltage, electrode wire feed rate, welding head displacement, shielding gas flow rate, etc. Basic methodological support of data acquisition systems [1-4] was complemented by plotting arc dynamic volt-ampere characteristics [5], application of Fourier transforms for frequency analysis of electrode metal mass transfer [5,6], neural networks for optimization of welding parameters during arcing [7].…”