Daimler Ag

Michael Schopper

Harald Braun

Norbert Ebner

Karsten Braeuer

Torsten Scholt

Deborah Mowll

Michael Fischer

Davide Tondelli

In a motor vehicle having an internal combustion engine which has an automatic start/stop device, and a controllable brake device at the start of and during an automatic stop phase, the effect of a braking torque which is greater than a threshold value is ensured. For this purpose, the brake device can increase the braking torque. The threshold value is previously calculated in such a way that the motor vehicle is reliably prevented from rolling away. As a result, the internal combustion engine can be stopped frequently, and at the same time unintentional rolling away of the motor vehicle during the stop phase can be avoided.

Method for operating a motor vehicle

A method and a device are for detecting the initiation of the driving off process by a driver of a vehicle. The time derivatives of the engine torque and of the engine speed are determined, and the initiation of the driving off process is then inferred from an evaluation of these time derivative values. The detection of the driving off process can be used for releasing a brake while avoiding unintentional rolling of the vehicle when making a hill start.

Method and device for detecting the initiation of the driving off process by a driver of a vehicle

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Stuttgart, Germany

Michael Schopper