The institute operates a dynamic driving simulator for the validation of assistance functions in an advanced state of development. The realistic design of the simulation provides a valid evaluation of the functions also for critical situations and therewith a secure transfer to the testing vehicle and to real traffic. The driving simulator generates a realistic driving feeling by three parameters: an efficient motion system, a high quality projection system with visualisation and the integration of a complete vehicle.
The motion system is characterized by a hexapod system with the cabin hanging in below the upper articulations. This novel construction on the one hand allows huge linear movements of circa three meters at a low installation height. On the other hand it offers the possibility to use all degrees of freedom independently. With a payload of circa 1,3 tons and the performance data below-mentioned the simulator is one of the most efficient driving simulators in Europe.
The most realistic translation of vehicle’s acceleration by feasible motions of the simulator (motion cueing) is adapted systematically to different driving situations and manoeuvres. With the resulting, receptible acceleration response of the vehicle to the driver, driving behaviour similar to situations in real traffic can be observed, so that the effects shown in the simulator can be brought forward into reality.
A high-quality projection system provides the visualisation of the surrounding environment and traffic. A wide field of vision to the front and to the sides (270°x40°), combined with a high resolution of circa 9200x1280 pixels, delivers a detailed representation. Besides his field of vision to the front the driver can also observe the simulated traffic behind him by the rear-view mirror on a screen and by LC-displays in the lateral rear mirrors. Employing a back projection system with eight channels allows integrating also big vehicle cabins, e.g. for truck simulations, without restricting the course of beam.
For a realistic overall impression the direct environment of the driver is very important. Therefore a complete vehicle has been integrated into the cabin with witch the driver is “driving” the simulator. For this purpose the actions of the driver are transmitted via CAN-Bus to the simulation computer, vice versa the simulation system controls the instruments inside the cockpit, which for example inform the driver about his current speed. All inputs and actions made by the driver, from braking over steering to operating the radio, are recorded and analysed. Displays and control elements can be completed or substituted according to the requirements. The realistic driving impression is completed by a sound system playing back the sounds of car and environment by the implemented loudspeakers.