The invention refers to a system and a method for safety protection of human beings against hazardous incidents with robots in operation by means of a monitoring means comprising sensor means which are able to receive and measure signals caused by the respective human being who might be in a dangerous situation within or near the working range of the robot, where the acoustical and/or optical sensors are located close around the robot within or near its working range, where said monitoring means comprises a processing means being linked to the acoustical and/or optical sensors, and where said processing means evaluates the received signals as for the source in order to trigger the robot controller to execute a control action leading to a safe situation.
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