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► Audi's automatic driving in traffic jams

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Published on Jan 9, 2013

From Audi adaptive cruise control with Stop & Go function to traffic sign recognition -- right across its model range, Audi offers a broad assortment of assistance systems that make driving even more relaxed and under control. The assistance systems are closely integrated, providing them with a high degree of intelligence and outstanding capabilities.

Adaptive cruise control (ACC) with Stop & Go function acts as the core component of the Audi driver assistance systems. The system regulates the speed and the distance from the vehicle in front over a range of zero to 250 km/h (zero to 155.34 mph).
The ACC Stop & Go function employs one or two rear-mounted radar sensors depending on the configuration. The sensors transmit radar waves in order to detect objects up to 250 meters (820.21 ft) ahead of the vehicle. The driver can vary the distance to the vehicle ahead and the control dynamics in multiple levels - from sporty to comfortable. In stop & go traffic the system slows down the car to a standstill. After a brief stop, such as at a traffic light, it automatically drives off and follows the vehicle ahead; after a longer stop, the driver must tap the accelerator pedal or briefly activate the control stalk. Audi adaptive cruise control with Stop & Go function interacts closely with other driver assistance systems; it utilizes the data from almost 30­ control units to analyze all of the vehicle's surroundings. The system uses this broad knowledge base to recognize complex scenarios and offer anticipatory support to the driver. Because it works in conjunction with the MMI Navigation plus, it knows which route lies ahead and can use this information to control the vehicle's speed.
Audi offers a number of versions of adaptive cruise control for different model series -- including without the Stop & Go function. The individual versions differ slightly in their mode of operation due to the different degrees of networking and configurations.

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