RoboValley Dresden

Andreas Mühlbauer,

Automating production robots in SMEs

Just a few years ago, large areas of production technology were still characterized by manual activities. Today, robot automation is the method of choice to meet the demand for increased efficiency and to counter the shortage of skilled workers.

The digital twin plays an important role in many automation applications. © Fraunhofer IWU

This is primarily implemented in series production. However, these solutions are often rigidly interlinked and therefore inflexible, not very adaptable and only changeable with a great deal of effort. Each reprogramming and subsequent certification costs a lot of time and money. Highly flexible robots are often used, but the potential of their possibilities is still exploited far too rarely.

While large companies have long had their planning groups, specialists and trained experts for robot automation, many small and medium-sized enterprises (SMEs) in particular do not currently have the prerequisites for robot automation. They are constantly faced with the question: Is automation even worth it?

RoboValley Dresden: Making SMEs fit for the automation of production robots

A powerful alliance of Dresden robotics experts is working to ensure that such investments pay off in the future. Their aim is to develop robots that are easy to use and have components and capabilities that can be integrated intuitively. "We want to inspire SMEs to use new technologies, such as robot-based automation solutions that allow humans and robots to perform tasks together in the same working environment," explains Prof. Dr.-Ing. Steffen Ihlenfeldt (TU Dresden, Fraunhofer IWU), who is coordinating the alliance of start-ups, established specialist companies and research institutes such as the Fraunhofer Institute for Machine Tools and Forming Technology IWU. "We are pooling research and development projects here in "RoboValley Dresden" to help companies with very specific solutions to make their production processes more efficient."

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App store for automated robot functions

In complete robot automation ecosystems, the alliance therefore compiles available components, additional systems and capabilities as well as functions with artificial intelligence (AI) and makes them available for use. For example, SMEs can quickly book grippers (software) or optical component recognition functions in the web store and then integrate and adapt them into their systems. The process is similar to app stores for smartphones, but is much more challenging, as the safety of people and materials has absolute priority. Software crashes or other disruptive factors in the application with possible consequential damage must be prevented.

Another example from the alliance: in collaboration with Industrie-Partner GmbH, an innovative and medium-sized solution provider from Coswig near Dresden, a robot cell was developed at the Fraunhofer IWU for the automation of essential machining tasks (cleaning, deburring, loading and unloading). The alliance is also working on human-robot collaboration (HRC). In order to protect people, particularly high demands must be placed on the safety functions of robots when working together.
For this reason, robots and their safety functions are tested in advance in a virtual computer simulation using a so-called "digital twin" of the real system and the "ISG Virtuos" simulation software (Stuttgart). Errors in the movement of the robots or their stop functions can thus be detected at a very early stage of the mandatory simulation phase and before the actual commissioning.
This makes it possible to avoid retrofitting the real robots and the resulting delay in final safety acceptance. Our partner here is the start-up coboworx.

Robotics alliance becomes flagship for the Dresden location

As part of the project, Coboworx will be based at the "Technologiezentrum Universelle Werke" on Zwickauer Straße in Dresden and help Allianz to expand its expertise in the future-oriented field of robotics in Dresden. Cooperation talks are underway with the globally active company Wandelbots. Prof. Ihlenfeldt: "Our alliance will ensure that robotics will be a flagship for Dresden in the long term. The cross-faculty cooperation within TU Dresden with fellow professors Fitzek and Aßmann will also drive forward the aspects of cloud connectivity and ecosystems for robots."
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