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February 18, 2020

Engineers Demonstrate How to Validate Lane Departure Warning Systems

Advanced driver assistance systems (ADAS), like lane departure warning systems (or lane assist systems), have become a selling point for the automotive industry. These tools can save the lives of drivers who stray from their lanes due to emergencies, sharp turns or long drives with little rest.

Lane departure warning systems help drivers stay between the lines.
Learn more at embedded world.

Engineers that design lane assist systems need to ensure they will work properly in every conceivable scenario. Theoretically, this could be done using physical prototypes, but it would become costly and dangerous.

Think about it, there is no guarantee that the system would experience every scenario if it’s tested on the road. Additionally, if the system fails in the real world, it could harm test pilots, drivers, pedestrians and prototypes.

Therefore, simulation is the safest and fastest way to thoroughly ensure the safety of lane departure warning systems.

How to Validate Lane Assist Systems

To see how simulation can be used to validate a lane departure warning system, watch the demo below:

A lane departure warning simulation demo.

To create this demo, engineers used Ansys SCADE code generation and digital safety workflows. SCADE generates ISO 26262-qualified code that was run on a BlackBerry QNX operating system (OS) coupled with Ansys VRXPERIENCE Driving Simulator powered by SCANeRTM. The setup provides engineers with the ability to rapidly validate the ADAS system to an appropriate automotive safety integrity level (ASIL) using hardware-in-the-loop (HIL) and closed-loop simulations.

Engineers can then use Ansys optiSLang to automate the tuning of parameters that control the software and closed-loop simulation. This enables them to quickly and safely validate the embedded software and hardware, under various scenarios while reducing the need of physical prototypes.

Visit Ansys at embedded world to watch our presentations and experience another demo that features NXP and embotech and showcases the transfer from manual to autonomous driving.

Any and all ANSYS, Inc. brand, product, service and feature names, logos and slogans such as Ansys, Ansys optiSLang, Ansys SCADE and Ansys VRXPERIENCE are registered trademarks or trademarks of ANSYS, Inc. or its subsidiaries in the United States or other countries.



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