In the future, highly automated vehicles will be on the road in ever increasing numbers. One important precondition for this is precise localization. This means that the vehicle must always know its current location within a few centimeters and with absolute reliability.
down to a few centimeters at all times
for exact positioning
Operation principle of the localization
Several technologies are combined for ultra-precise and reliable localization: surround sensors, satellite navigation and inertial sensors.
Bosch utilizes recorded data collected by the vehicle’s surround sensors to create an independent map layer which depicts the unique features of a road – the so-called road signature . Radar and camera sensor systems and the fusion of their data provide important information on objects in the vehicle's surroundings.To meet the high safety requirements of highly automated driving, advanced satellite-based localization is used along with surround sensors and the road signature. The vehicle motion and position sensor from Bosch plays a key role in this regard.
It comprises high-performance satellite receivers, correction service for improving satellite positioning, inertial sensors, and intelligent software for reliable position calculation. The inertial sensors come into play when environmental features and surroundings information are insufficient or the satellite connection is malfunctioning or interrupted. In this case, the system calculates the vehicle’s relative position change by using sensor information and maintains the localization. Taken together, hardware, software, and services serve as a redundant system for precisely determining the vehicle’s position. Read more in our press release about how Bosch enables a precise localization.
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