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This paper proposes a path-planning algorithm using image processing for three-dimensional (3-D) arc welding of the automatic welding robot system. First, the forward kinematics of the automatic welding robot system is analyzed. Then, the path-planning algorithm based on image processing is developed, and its script is described. Furthermore, the practical automatic welding robot system is presented,...
A welding seam detection and feature point extraction system for robotic arc welding is proposed in this paper. The system consists of a CCD camera, a line structure laser, a narrowband optical filter to overcome the interference from arc light and other light sources, and an embedded computer board for image processing and error calculation. By taking use of optical triangulation measurement method,...
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