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Due to the increasing number of variations and the shortage of skilled employees, the industry's interest in human-robot collaboration (MRK) is growing steadily. This is accompanied by an increasing demand for engineers and production staff who both understand the functionality of such systems and are able to operate them. A system that is intended to qualify the user with regard to these requirements is the lightweight red demonstrator of the IPS, which was developed as part of the CSC research project.


Hardware and Construction

At the heart of the LBR demonstrator are the lightweight robots KUKA iiwa 7 and UR10, which can collaborate with humans without a separating protective device and thus combine the repeatability of the robots with human flexibility. While the UR10 assumes the function of a flexible workpiece carrier in the developed application scenario, the KUKA iiwa 7 acts as a collaborative assembler. The material is supplied via four conveyor belts at whose delivery point a vision system recognizes the position of the components on the conveyor belts and communicates this to the KUKA iiwa 7. Special workpiece carriers are therefore not required. The assembled product is removed via the UR10, which places the finished product on a conveyor belt provided for this purpose. In addition to the lightweight robots, the LBR demonstrator has an IoT architecture developed at the IPS that automatically updates the technical plant documentation after conversions.


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Application scenarios in research and teaching

In addition to research and training, the LBR cell is mainly used to demonstrate the application possibilities of MRK systems on the basis of a real production process for companies. The fields of research range from the actual human-robot collaboration to versatile assemblies and digital twins. The research in the field of digital twins includes the current documentation of the system, which is indispensable for a versatile MRK system, since every change requires a new risk assessment. The individual modules of the system are digitally mapped in the software and connected to the real components. In this way, it is possible to play back changes to the real plant in real time into the virtual image. The acquisition of the necessary process data was carried out by retrofitting the system with sensors.

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Vanessa Weßkamp, M.Sc.
Wissenschaftliche Mitarbeiterin
Tel.: 0231 755-2790