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09/11/17
Technology

The new Audi A8 – conditional automated at level 3

Audi A8

The new A8 is the world’s first production automobile to have been developed specially for conditional automated driving at level 3 according to the applicable international standards. The Audi AI traffic jam pilot takes charge of driving in slow-moving traffic at up to 60 km/h (37.3 mph) on highways and multi-lane roads with a physical barrier separating the two directions of traffic. The driver activates the system with the AI button on the center console.

The traffic jam pilot handles starting from a stop, accelerating, steering and braking in its lane. Drivers no longer have to continuously monitor the car. When certain conditions are met, they can take their hands off the steering wheel for longer periods and can focus on another activities supported by the on-board infotainment system, depending on the legal situation in the respective country. As soon as the system reaches its limits, the car requires manual driver control again.

From a technical perspective, the traffic jam pilot is revolutionary. During piloted driving, a central driver assistance controller (zFAS) now continually computes an image of the surroundings by merging the sensor data. In addition to the radar sensors, a front camera and the ultrasonic sensors, Audi is the first car manufacturer also to use a laser scanner. Introduction of the Audi AI traffic jam pilot requires clarity regarding the legal parameters for each country as well as specific adaptation and testing of the system. The brand’s high claim to quality also applies to conditional automated driving. In addition, different approval procedures worldwide and their corresponding time limits must be kept in mind. For these reasons, Audi will initiate series production of the traffic jam pilot in the new A8 incrementally.

The Audi AI remote parking pilot and the Audi AI remote garage pilot autonomously steer the A8 into and out of a parking space or a garage, while the maneuver is monitored by the driver. The driver need not be sitting in the car. The respective system is started via smartphone using the new myAudi app. To monitor the parking maneuver, the driver holds the Audi AI button pressed and a live display from the car’s 360 degree cameras is displayed on their device. Upon completion of the parking maneuver, the system automatically sets the tiptronic to P and switches off the engine.

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The specified fuel consumption and emission data have been determined according to the measurement procedures prescribed by law. Since 1st September 2017, certain new vehicles are already being type-approved according to the Worldwide Harmonized Light Vehicles Test Procedure (WLTP), a more realistic test procedure for measuring fuel consumption and CO2 emissions. Starting on September 1st 2018, the New European Driving Cycle (NEDC) will be replaced by the WLTP in stages. Owing to the more realistic test conditions, the fuel consumption and CO2 emissions measured according to the WLTP will, in many cases, be higher than those measured according to the NEDC. Therefore, the usage of CO2 emission values measured according to WLTP for vehicle taxation from 1st September 2018 on can cause changes in this regards as well. For further information on the differences between the WLTP and NEDC, please visit www.audi.de/wltp.

We are currently still required by law to state the NEDC figures. In the case of new vehicles which have been type-approved according to the WLTP, the NEDC figures are derived from the WLTP data. It is possible to specify the WLTP figures voluntarily in addition until such time as this is required by law. In cases where the NEDC figures are specified as value ranges, these do not refer to a particular individual vehicle and do not constitute part of the sales offering. They are intended exclusively as a means of comparison between different vehicle types. Additional equipment and accessories (e.g. add-on parts, different tire formats, etc.) may change the relevant vehicle parameters, such as weight, rolling resistance and aerodynamics, and, in conjunction with weather and traffic conditions and individual driving style, may affect fuel consumption, electrical power consumption, CO2 emissions and the performance figures for the vehicle.

Further information on official fuel consumption figures and the official specific CO2 emissions of new passenger cars can be found in the “Guide on the fuel economy, CO2 emissions and power consumption of new passenger car models”, which is available free of charge at all sales dealerships and from DAT Deutsche Automobil Treuhand GmbH, Hellmuth-Hirth-Str. 1, D-73760 Ostfildern, Germany and at www.dat.de.

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