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Bayerische Motoren Werke Aktiengesellschaft

Eugen Herb

Uwe Hartmann

Udo Ochner

Dieter Hennecke

Alfred Straub

Bernd Jordan

In a control process for increasing the traction in the case of a vehicle while the vehicle stability remains almost the same, a wheel slip is determined at the powered wheels and is compared with at least one slip threshold value. The driving power is reduced when the wheel slip exceeds the slip threshold value. For improving the traction on a loose base, at least one slip integral is formed between the powered and the non-powered wheels. The at least one slip threshold value is continuously determined as a function of the at least one slip integral.

Regulating method for increasing the traction of a vehicle while maintaining constant vehicle stability

In a method for the damping force adjustment of motor vehicles in dependence of output signals of a transmitter arranged at the vehicle body which are processed and are compared with a predetermined threshold value and which produce a signal for changing the damping force when exceeding/dropping below this threshold value, the changes of these output signals are added at equal intervals with respect to time and determined over a measuring period which is considerably larger than the natural period (reciprocal resonance frequency) of the vehicle wheels and are compared with a threshold value which is dependent on the load of the vehicle. A drift-free indication about the damping force adjustment to be selected becomes possible therewith without frequency analysis.

Method for the damping force adjustment of motor vehicles as a function

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Munich, Germany

Eugen Herb