The shift from SAE level 2 to level 3 vehicles represents a significant change, as the responsibility for traffic situations transitions from the driver to the manufacturer. Various sensor technologies, including camera, radar, lidar, and ultrasonic, are used to enable ADAS and AD features. Radar systems are often the primary input for ADAS functions due to their ability to detect and range even in poor environmental conditions. An approach for ADAS testing in the periodical technical inspection is testing on the sensor level. Each sensor involved in an ADAS function gets stimulated virtually, by applying screens (camera, lidar sensor), or radar target simulators (radar sensor). The goal is to setup realistic driving scenarios virtually and evaluate the variance between the set scenario and the detected sensor information. Assessing the proper sensor functionality and combining it with the information about a type-approved software version closes the testing loop and proves the system reliability to a high extent.
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Gerhard F. Hamberger - "Radar System Stimulation for ADAS System Verification"
Advanced Driver Assistance Systems (ADAS) are becoming increasingly important in the automotive industry, particularly with the rise of Autonomous Driving (AD) vehicles.