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    • 7. 发明公开
    • Position detecting device for takeout apparatus
    • 一种用于确定用于去除装置的位置
    • EP1324268A2
    • 2003-07-02
    • EP02257724.1
    • 2002-11-07
    • Fanuc Ltd
    • Watanabe, AtsushiTakizawa, Katsutoshi
    • G06T7/00
    • G06T7/74G05B2219/37555G05B2219/37563G05B2219/40006G05B2219/40564Y10T29/53061
    • A position detecting device and a takeout apparatus capable of obtaining information on height or stage number of an object in a stack of objects by a two-dimensional image capturing device for an operation of taking out the object by a robot. A CCD camera (20) is arranged at a position above a place where workpieces (50) stacked in multiple stages are provided. An image processing device (30) determines a size of the image of the uppermost workpiece in a two-dimensional image captured by the camera. The height or stage number (A1..A4) of the workpieces is determined from the size of the workpiece image using a stored relation table or arithmetic expression representing relationship between the height or stage number of the workpiece and the size of the workpiece. For a plurality of kinds of workpieces, the relation table/arithmetic expression is stored for each kind of workpiece and selectively used in accordance with a mark (M) on the workpiece which indicates the kind of workpiece. The obtained positional information on height or stage number is sent to a robot controller (10) so that a robot (30) is operated to a takeout position which is corrected based on the positional information for taking out the workpiece from a stack of workpieces.