CES 2015: how the Audi A7 has traveled almost 900 km without someone driving

In real conditions. To convince the maturity of its technology, Audi has installed journalists in a A7, which transported the two days in Silicon Valley to Vegas without a human touches the wheel ...

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 At Audi, the autonomous car seems to be a priority and a futuristic fantasy. 
We had already experienced the reality of the thing aboard  aboard an Audi RS7 completely autonomous driving on the track . 


At the CES 2015, the manufacturer has move up a gear. As much by taste buzz for the sake of convincing, he allowed several American journalists to travel to Palo Alto (in the heart of Silicon Valley) in Las Vegas in California aboard an autonomous car. Steering wheel control, speed, direction indicators, taking into account traffic ... the Audi A7 has traveled almost 890 km in two days and presumably smoothly. 
At the end of this "expedition", journalists all seem to be conquered. Like us, our experience on the track, they evoke the feeling of confidence - after a moment of doubt for some - that exudes such a system.

To succeed this technological feat, the Audi A7 uses the computing platform zFAS including integrating a K1 Nvidia chip. According to the manufacturer, when the car was launched in autonomous driving, the processor must process eight billion operations per second. Because it must manage information from partly different equipment: radar, sonar, or an adaptive cruise control, which exist already in production vehicles and make up the basis of the driving assistance. Just note that for the time that autonomous driving is possible only up to 110 km / h.


But the key element that makes autonomous driving possible, take in video surveillance and modeling of the vehicle environment. For these two pillars, the Audi A7 uses a high-performance 3D camera and a laser scanning system, the famous LIDAR (Light Detection and Ranging). It is the latter that is able to assess the width of lanes, bridge heights, traffic relief, the presence of a pedestrian or any object on the road. 
Audi does not give more details about This sensor, remember represented the bulk of the cost of autonomous cars (tens of thousands). Can not say if it is a house or in partnership with a specialist solution. For example, the company Velodyne, based in Silicon Valley, announced in September 7999 a Lidar dollars . On a car in more than 100 000, would pass almost unnoticed. To get a better idea of what serves Velodyne Lidar, take a look at the video below to find out how he "sees" the road.

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