Patent ID: 9457472
Filing Date: 2016-10-04
CPC Classification: B25J,G05B

Claim Text:
1. A position detection device for a robot comprising: an imaging section configured to take an image of an object located in an imaging area during movement of the robot, the object being held by an end effector of the robot; an image processor configured to calculate a centroid of the object based on the image taken by the imaging section; an acquisition section configured to obtain a drive amount of a drive source of the robot so as to calculate an end effector calculated position; a controller configured to correct an end effector location of the end effector; and a sensor including: the imaging section starts to take the image of the object when the imaging section receives the common trigger signal, the acquisition section starts to obtain the drive amount when the acquisition section receives the common trigger signal, and an object location of the object is detected based on the image and the drive amount, and the controller corrects the end effector location based on the centroid of the object and the end effector calculated position.