Conti Temic Microelectronic Gmbh

Oswin Roeder

Horst Wild

A motor vehicle drive arrangement including a motor and a stepless automatic transmission for driving drive wheels has a normal operating mode for normal driving operation and a brake engagement operating mode for a situation of excessive slip of a drive wheel. During the brake engagement operating mode, strong fluctuations of the transmission ratio could arise, or the vehicle might drive with a low motor torque but a high drive rotational speed, which are uncomfortable for the driver. To increase driving comfort, a normal motor torque value is prescribed in the normal operating mode, and in the brake engagement operating mode the motor torque is reduced to an actual motor torque value. A difference torque is determined between the normal and actual motor torque values. A maximum desired nominal drive rotational speed is varied dependent on the difference torque.

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Vohburg, Germany

Oswin Roeder