Improving safety and reliability for ADAS and autonomous vehicles

Written by: Tom Austin-Morgan | Published:

NI has unveiled its Vehicle Radar Test System (VRTS), which engineers can use the to test 76 – 81GHz radar technology from the R&D lab through high-volume production test and from individual radar sensors to integrated advanced driver assistance systems (ADAS).

The VRTS combines NI’s mmWave front end technology, a PXI Vector Signal Transceiver (VST) and application-specific software. Unlike traditional automotive radar simulators that are only capable of obstacle generation for functional behaviour test, the VRTS integrates a 76 – 81GHz vector signal generator/analyser designed for dynamic obstacle generation and comprehensive RF characteristic measurements. Using a more comprehensive approach to radar test that includes both traditional and hardware-in-the-loop (HIL) test techniques, engineers can deliver more robust autonomous driving technology to comply with evolving regulatory requirements.

“We can use the VRTS to configure the industry’s most advanced ADAS test systems to improve the safety and reliability of vehicles,” said Michael Konrad, Konrad Technologies founder and CEO and cofounder of the ADAS Innovation in Test (IIT) Consortium. “The advanced synchronisation capabilities of PXI combined with the ease of use of LabVIEW allows us to simulate even some of the most advanced sensor fusion environments combining GNSS, radar, cameras and even lidar.”

The VRTS scales from a base configuration that can emulate two obstacles to sophisticated configurations that can emulate four independent obstacles per PXI chassis. Key VRTS attributes include the ability to simulate Doppler effect velocity of up to 250km/hr, minimum obstacle range of 4m, object distance resolution down to 10cm, support for multiple angles of arrival and variable radar cross sections. The VRTS includes both object simulation capabilities and the radar measurement suite.

In addition, engineers can take advantage of the flexibility of the software to use the VRTS to simulate scenarios ranging from a pedestrian walking across the street to lane-change driving scenarios. VRTS software flexibility is a key benefit of the system as engineers can easily adapt to rapidly evolving regulatory environments.


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