In this contribution we present a robot assistant consisting of a mobile platform and a manipulator to support manual workplaces in production environments. We propose a general definition of robot assistants. Two applications for the robot assistant rob@work are described - the assembly of hydraulic pumps and the assistance of manual gas metal arc welding (GMAW). A description of the hardware and software architecture, the man-machine-interface, the task-planner and the path-planning of the robot assistant is given

In this contribution a robot assistant for handling and assembly tasks is presented. The main emphasis of PowerMate was to create a robot assistant that works together with a human worker that is conform to safety category 3 according to DIN ISO 954 and to use components suitable for industrial use, which leads to certain constrains on the possible control mechanisms. An overview of existing concepts of man-machine-cooperation is given. Different architectures for these kinds of robot assistants are discussed. A user-customizable motion control for PowerMate is presented. A description of the force-movement-calculations, the hardware and software architecture and the safety system of the robot assistant is given.

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