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Traffic in Co-simulation as a Standard Toolchain for 
Automotive Development 

Dr. Thomas Benz 
Solution Director Automotive
PTV AG 

Advanced vehicle functions need to handle more scenarios on a public road the more advanced they are. This involves extensive testing and complex Validation of such systems consisting of an array of different sensors, a chain of controllers and actuators. Therefore, dedicated Simulation tools are required for the different stages of development and Validation. Ideally such Simulation tools are combined into co-simulations. Up to now simulations mostly recreate the internal systems of a vehicle. The environment, like streets, traffic signs and other traffic participants are combined to form a specific scenario for testing. Such combinations are innumerable and the set-up for the Simulation is left to the user’s fantasy. This can now be overcome by using a dedicated tool for generating realistic traffic input: traffic flow Simulation. This presentation will introduce the methodology and present implemented co-simulations.