Method for controlling the shifting comfort in motor vehicles ha

Details Method for controlling the shifting comfort in motor vehicles ha Method for controlling the shifting comfort in motor vehicles ha

1993-11-10

1995-10-31

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477109, 477904, F16H 5948

Patent

active

054624991

ABSTRACT:
The invention is directed to a method for controlling the gear-shifting comfort in motor vehicles having automatic transmissions. The method provides for pressure controllers for controlling clutches affecting the gear-shifting operations of the transmission. The preset values for the torque and/or the torque curves of the clutches are stored in dependence upon the particular gear-shifting operations and the transmission rpms in a characteristic field. The actual acceleration of the motor vehicle is detected with the aid of an acceleration sensor and a very low desired acceleration is used as a guide quantity for the torque control at the clutches. The preset values for the clutches corrected by this control are stored in the characteristic field.

REFERENCES:
patent: 4172505 (1979-10-01), Rabus et al.
patent: 4679145 (1987-07-01), Beeck et al.
patent: 5282401 (1994-02-01), Hebbale et al.
"Bosch Technische Berichte", vol. 7 (1983), No. 4, pp. 160 to 187.

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