Adaptive control of pulsed MIG welding using image processing systems

Abstract

A digital computer control system is proposed for improving the stability of the weld pool shape in MIG (Metal Inert Gas) welding. This paper deals with a application of adaptive control and image processing to welding robot. In a welding system, parameters vary by the change in the base metal thickness while operating. In order to obtain the desirable response of theory was applied to the control of the weld pool width.

Zastosowanie fuzji obrazów wizyjnych i termowizyjnych do monitorowania i diagnozowania procesu spawania

“…Główne obszary badań nad zastosowaniami systemów wizyjnych w spawalnictwie dotyczą śledzenia [1,2] i kontroli rozmiaru jeziorka spawalniczego [3,4], kontroli geometrii spoiny oraz oceny jakości wykonania połączenia [5]. Prowadzono również badania dotyczące adaptacyjnej kontroli procesu spawania [6].…”

Analysis of images recorded during welding processes

“…The main problem concerning the application of vision systems seems to be a proper image analysis. In welding industry methods based on image analysis are being used for seam tracking [13,24], control of a weld pool size [21], control of weld geometry and assessment of weld quality [3] as well as for adaptive control of welding processes [25].…”