A method and an arrangement for locating and picking up...

B - Operations – Transporting – 25 – J

Patent

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Details

B25J 19/02 (2006.01) B25J 9/16 (2006.01) G06K 9/00 (2006.01) G06K 9/64 (2006.01) G06T 1/00 (2006.01) G06T 7/00 (2006.01)

Patent

CA 2625163

The invention relates to a method for locating and picking up objects (2) that are placed on a carrier (1). A scanning operation is performed over the carrier. The scanning is performed by a line laser scanner (8). The result of the scanning is used to generate a 5 virtual surface (18) that represents the area that has been scanned. The virtual surface is compared to a pre-defined virtual object (15) corresponding to an object (2) to be picked from the carrier (1). Thereby, a part of the virtual surface (18) that matches the pre- defined virtual object is identified. A robot arm (5) is then caused to move to a location corresponding to the identified part of the virtual surface and pick up an object from the 10 carrier (1) at this location.

L'invention concerne un procédé permettant de détecter et de ramasser des objets (2) placés sur un support (1). Ce procédé consiste à effectuer une opération de détection par balayage au-dessus du support, à l'aide d'un dispositif à balayage laser linéaire, et à utiliser le résultat de cette détection pour générer une surface virtuelle (18) représentant la zone explorée. L'étape suivante consiste à comparer la surface virtuelle à un objet virtuel (15) prédéfini correspondant à un objet (2) à ramasser placé sur le support (1), et à identifier ainsi la partie de la surface virtuelle (18) qui correspond à l'objet virtuel prédéfini. Un bras robotisé (5) est alors activé et se déplace vers l'emplacement correspondant à la partie identifiée de la surface virtuelle, puis ramasse l'objet sur le support (1) à cet emplacement.

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