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Hand-eye calibration

Andreas Mühlbauer,

Secure BinPicking and Pick-and-Place

The EyeVision image processing software enables the user to perform simple and intuitive hand-eye calibration for robots and handling systems.

Robot with EyeVision image processing. © EVT Eye Vision Technology

The extended command set performs a hand-eye calibration for systems in 2D and 3D with just a few clicks. A RoboCom command is also available, which includes communication with many robot manufacturers, but can also be easily adapted to new robots. This command can also be used to control numerous handling systems.

The combination of control, image acquisition in 2D or 3D and automatic adaptation means that the hand-eye calibration for the robot eye can be realized quickly and precisely.

With automated absolute accuracy, EVT GmbH is introducing a new dimension in automatic gripping. A fully automatic process based on hand-eye calibration ensures that the play and tolerances in the axes are automatically detected and then corrected by the image evaluation system. The automated process in conjunction with the optical sensor saves the user from having to manually correct gripping positions in the robot's workspace.

The correction works with any robot and improves its positioning in the gripping space by automatically correcting the axis and play tolerances of the individual joints. With this correction, any handling system, whether robot or multi-axis manipulator, can be improved in terms of accuracy within the entire workspace.

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