Abstract
Reporters obtained the following quote from the background information supplied by the inventors:“A robot system may comprise one or several industrial robots operating in a workspace. In some robotsystems, the workspace is enclosed by a physical fence, for example to protect humans from the industrialrobot.“As an alternative to a physical fence, some robot systems employ virtual safety borders to providea safety configuration. Each virtual safety border is typica lly associated with a condition, for examplethat the industrial robot must not pass the virtual safety border. In this case, the robot system may alsocomprise a monitoring system supervising positions and movements of the industrial robot with respect tothe virtual safety borders. If the safety configuration is viol ated by the industrial robot, the monitoringsystem can automatically stop the i ndustrial robot to avoid an accident.
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