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DEVELOPMENT  SIMULATION AND TESTING





                                                             Vehicle-in-the-Loop


                                                               Real-world Vehicle Tests


                                                             Combined with Virtual



                                                             Scenarios






















                                                                                                         © IAV




                       AUTHORS              Future driver assistance functions are supporting ever greater parts
                                            of driving scenarios in increasingly complex situations. This calls for
                                            new approaches to safe and resource-conserving testing and valida-
                                            tion. IAV’s vehicle-in-the-loop approach aims at bridging the gap

                                            between simulation-based test environments and real-world vehicle
               Dr.-Ing. Matthias Butenuth   tests by adding virtual scenarios to the real-world test environment.
             is Head of the Predictive Safety
              Department at IAV in Munich
                         (Germany).




                                            BRIDGING THE GAP                  and test track trials are validated in the
                                                                              field (real-world driving in road traffic).
                                            At present, driver assistance functions   Future driver assistance systems are
                    Dr. Roland Kallweit     are validated using Model, Software and   supporting ever greater parts of driving
             is Team Manager for Predictive   Hardware-in-the-Loop (MiL, SiL, HiL)   scenarios and increasingly act automati-
                Safety at IAV in Ingolstadt   tests as well as by investigating vehicles   cally even in complex situations. In this
                         (Germany).
                                            on proving grounds and on the road.   process, they are increasingly intercon-
                                            Even before the first test vehicles are   nected with other systems in the vehicle,
                                            suitable for test drives, tests are per-  communicate with their environment
                                            formed in simulation-based test environ-  and merge data from various sensor sys-
                                            ments. As soon as all of the necessary   tems to detect the traffic situation as
                                            components and the target vehicle are   accurately as possible and define appro-
                                            available, real-world test drives are car-  priate actions.
                       Paul Prescher        ried out in the form of guided or free   As a consequence of this, a new pro-
             is Team Manager for Predictive
                Safety at IAV in Ingolstadt   tests on the test track. Afterwards, the   cess is needed for calibrating as well as
                         (Germany).         assumptions from the simulation runs   for testing and validating driver assis-
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