Weld formation control for arc welding robot

摘要

The control of weld formation in gas tungsten arc welding is required for “teach and playback” robot to suit the gap variation in the multi-pass welding process. This paper presents a robotic system based on the real-time vision measurement. A close-loop control system is developed for weld formation control in backing welding. A novel prediction model of reinforcement is investigated as the feedback element. At last, the feasibility of proposed system was validated in the experiments.