HIL test systems in the automotive industry

Multi-domain simulations with HIL (hardware-in-the-loop) are not used just in aviation development, but also by carmakers.

The complete article is published in the December issue of the CAN Newsletter magazine 2019. This is just an excerpt.

Advanced driver assistance systems (ADAS) in modern vehicles are becoming increasingly complex and autonomous. The more authority these systems have, the more they need to be considered as highly critical safety applications. To ensure reliable qualification, the systems need to be tested and validated according to ISO 26062 (automotive safety standard). Hardware-in-the-loop (HIL) testing enables an ex ante testing of the ADAS qualification in the lab. The challenge in the HIL testing of ADAS functions is to synchronously simulate these strongly interconnected functions in real-time. In other words, the algorithms of the sensor fusion used to evaluate the vehicle’s surrounding need to perceive these simulations as real. It is already possible to simulate the entire sensor system used for the car’s ADAS functions on the electronic and physical interfaces of HIL systems.

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