Abstract
A robot arrangement includes at least a movable robot arm arrangement configured to move within a workspace defining a 3D motion range; a sensor arrangement installed on the robot arm arrangement comprising at least a first sensor device providing at least a first field of view; wherein the sensor arrangement is configured to be moved in such a way that the at least first field of view of the sensor arrangement covers at least a first portion of the workspace defining a first region of movement of the robot arm arrangement.