Even though virtual development methods for testing of automated driving functions are becoming more advanced, testing under real-world conditions on public roads will remain an important pillar of the test strategy.
Several use cases can be supported by ground truth data collection:
data labeling during data collection,
data collection for scenario creation,
data collection for map generation, and
open-road testing.
Once vehicles with ADAS/AD functions with Level 2 and above are planned for release to end-customers, the certification of these vehicles must be considered. As a result, certification tests and vehicle safety rating must be carried out on public roads [e.g. UNECE R157 (ALKS), UNECE R171 (DCAS), Euro NCAP 2026] which, on the other hand, requires objective evaluation methods.
The Dynamic Ground Truth (DGT) system is an independent reference measurement solution, which can be mounted on standard roof racks to enable universal and flexible application.
The main requirements are reliable, time synchronized and accurate data of the environment brought to the user with a self-explaining interface. The testing system should be manufacturer-independent, highly precise, and universally applicable.
The DGT system fulfills all these requirements as a one-box solution with an included calibration method.
| Property | Unit |
|
Operating temperature |
-10 to 50°C |
| Dimensions for DGT passenger car: | Width: approx. 1080 mm Length: approx. 960 mm Height: approx. 300 mm |
| Max. operating speed: | 130 km/h (considering the terms of use of the roof rack) |
| Weight: | approx. 53 kg |
Independent and safe
Validating future autonomous vehicles requires an independent measurement device that checks regulatory compliance and safety in real-world traffic.
Universal Application
The sensor setup, configuration, and modular mounting concept offer flexibility for a variety of vehicle classes and manufacturer types.
Global Presence with Local Support
The global network of highly skilled experts provides fast and reliable service and maintenance.
All-In-One Solutions
The system will be delivered fully calibrated to speed up the commissioning, and to bring your vehicles on the road faster.
360° Field of View
The DGT system lets you capture an accurate 360° field of view of the test vehicle, allowing the verification and validation of all ADAS/AD functionalities.
Accurate Data Acquisition
The image it captures comprises lidar, camera, and high-precision GNSS sensors, offering an extremely accurate view of the vehicle and its systems’ test environments. The sensor-messages are time-stamped accurately with the GPS-time.
Highly Precise Comparison between the DGT and the SUT (System Under Test)
To enable the comparison of DGT-system data and the system under test (SUT)-data, the clocks of the SUT-logger and the DGT can be synchronized.
Seamless Data Processing
During test trips data are collected with the DGT system and the vehicle under test. The data is transferred to a data center during the test drive and/or once the vehicle returns to the garage. From there, the data is available for further processing using our cloud-based ADAS/AD Big Data and Analytics Platform.
Demo Data
Want to see how high-precision ground-truth data looks in practice?
Get a demo set and try visualization and analysis with data captured by the Dynamic Ground Truth System.
AVL Dynamic Ground Truth System™
Solution Sheet (EN)
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