Abstract: During tungsten inert gas welding process, arc length will change due to thermal deformation, uneven surface of workpiece and tungsten electrode loss. Considering the large fluctuation of ...

Research Unit in Engineering Science, Université de Luxembourg, 6 rue de Coudenhove-Kalergi, L-1359 Luxembourg, Luxembourg ...

Abstract: In this paper, we present a method to dynamically observe two important variables of a Gas Metal Arc Welding (GMAW) process, i.e. arc voltage and arc length. To do this, we use Kalman filter ...

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