Procedure for controlling continuous variable transmissions in m

Details Procedure for controlling continuous variable transmissions in m Procedure for controlling continuous variable transmissions in m

1997-01-08

1999-11-09

Jacques, Jacques H. Louis

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

477 43, 477 46, 474 18, 474 28, G06G 770

Patent

active

059831529

ABSTRACT:
A process for regulating continuously variable transmissions in motor vehicles by means of a controller includes a first control circuit as a speed controller for regulating the transmission input speed as the product calculated from the transmission output speed and the transmission ratio, and a second control circuit post-connected to the first control circuit as a speed gradient controller for regulating the time derivative of the transmission input speed. A correction value, dependent on the functional value of a correcting function and obtained from a correction element, is added to the summation element at the controller input of one of the two control circuits. The correction value is obtained such that the regulating ranges are specified, respectively, with a different control behavior of the controller.

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