A Flexible Multi-Camera System for Precise Tracking of Moving Effectors

F. Boochs, R. Schütze, and C. Raab (Germany)


Optical tracking, absolute accuracy, robot guided measurement, industrial photogrammetry, quality control


This paper shows the potential to improve the absolute positional accuracy of a robot guided effector when applying photogrammetric strategies. First the need and aims of such a tracking process are explained, followed by a description of actual solutions and their restrictions. Then the potential of photogrammetric solutions for such purposes are outlined, followed by a detailed description of the system developed here. Finally, practical tests are shown, underlining that the design and realization are able to hold the challenging aims and improve the absolute accuracy of a robot by a factor of 20.

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