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Grabowski A.,Central Institute for Labour Protection National Research Institute CIOPPIB | Jankowski J.,Central Institute for Labour Protection National Research Institute CIOPPIB | Dzwiarek M.,Central Institute for Labour Protection National Research Institute CIOPPIB | Kosinski R.A.,Central Institute for Labour Protection National Research Institute CIOPPIB
International Journal of Occupational Safety and Ergonomics | Year: 2014

This article presents the results of extensive tests of a stereovision safety system performed using real and artificial images. A vision based protective device (VBPD) analyses images from 2 cameras to calculate the position of a worker and moving parts of a machine (e.g., an industrial robot's arm). Experiments show that the stereovision safety system works properly in real time even when subjected to rapid changes in illumination level. Experiments performed with a functional model of an industrial robot indicate that this safety system can be used to detect dangerous situations at workstations equipped with a robot, in human-robot cooperation. Computer-generated artificial images of a workplace simplify and accelerate testing procedures, and make it possible to compare the effectiveness of VBPDs and other protective devices at no additional cost. Source

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