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Hybrid Testing: A Vehicle-in-the-Loop Testing Method for the Development of Automated Driving Functions
ISSN: 2574-0741, e-ISSN: 2574-075X
Published March 17, 2021 by SAE International in United States
Citation: Solmaz, S., Rudigier, M., Mischinger, M., and Reckenzaun, J., "Hybrid Testing: A Vehicle-in-the-Loop Testing Method for the Development of Automated Driving Functions," SAE Intl. J CAV 4(1):133-148, 2021, https://doi.org/10.4271/12-04-01-0011.
The development of automated driving and Adaptive Driver-Assistance System (ADAS) functions requires extensive testing and validation prior to deployment. In general, exhaustive real-life scenario validation of such systems is not feasible and is overly time consuming. Moreover, simulation-only evaluations and testing are often deemed as inadequate due to the unmodeled dynamics and the lack of 1-1 correspondence with real-life testing. As a remedy, we describe in this article a novel test methodology called the “Hybrid Testing,” which was developed in the scope of the EU-H2020 project INFRAMIX, which enables the evaluation of a real vehicle in a virtual scenario in an enclosed proving ground with simulated traffic components and sensor signals, thereby combining the benefits of simulation and real-life testing. We show the utilization of this novel testing methodology for the evaluation of a trajectory planning (TP) algorithm to demonstrate its working principles and benefits.