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Camera calibration and robot hand-eye calibration are important parts in applications of robots with visions. A way to simultaneously carry out camera calibration and robot hand-eye calibration is presented in robot welding system with laser vision. It is based on a certain relation between hand-eye matrix and matrix of robot hand frame to robot base frame. Calibration experiments are performed in...
According to the characteristic of welding container reinforced plate and structured-light measurement theory, this paper designs an initial position locating system for container welding robot, which uses a calibration method of one CCD and lasers based on fixed in workspace vision and a sub-pixel feature extraction method of welding seam. This system with fixed image resolution can acquire the image...
Superflexible robot programming reduces the profitable batch sizes of industrial robots. The paper presents a new way to determine the trajectory for welding robots based on the Intelligent Space concept. The system uses two cameras and edge detection with other image processing algorithms to find the welding path in the image. The three dimensional trajectory is obtained by stereo vision; afterwards...
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