Double-electrode submerged arc welding (DE-SAW) is a new variant of the innovative double-electrode gas metal arc welding (DE-GMAW) process. In order to control this process, its dynamic model needs to be established. To this end, this paper analyzes the melting physical process of the consumable DE-SAW to derive its dynamic model. To identify the parameters in the dynamic model, a series of experiments are designed and performed. Least-squares technique has been used to identify the parameters from the experimental data.

Issue Section:
Research Papers
Keywords:
double-electrode (DE), submerged arc welding (SAW), dynamic model, least-squares, model identification
Topics:
Arc welding, Dynamic models, Electrodes, Gas metal arc welding, Wire, Welding

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