To provide a work system that efficiently recognizes components for work even if a position or the like of the component on each tray is changed.
The work system recognizes a plurality of trays 4 movably disposed, on an image with low spatial resolution in a wide field of view, and thereafter carries out image processing with high spatial resolution in a narrow field of view, thereby identifying the components 3 mounted on the trays 4 and recognizing arrangement of the trays 4. During the tray recognition step, there is no need to process a large amount of images due to the low spatial resolution, and during the component recognition step, the large amount of image processing is not required due to the narrow field of view. Therefore, three-dimensional positions and postures of the components 3 to be mounted on the trays 4 can be efficiently recognized. The two-step image recognition enables a work robot 2 to efficiently perform work.
ONISHI HIROYUKI
MURAKAMI SHIGEO
SASA YASUSHI
OKITA YUJI
Takahiro Arita
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