Control system of a continuously variable transmission for a...

Details Control system of a continuously variable transmission for a... Control system of a continuously variable transmission for a...

2005-03-22

2005-03-22

Louis-Jacques, Jacques H. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C475S125000, C477S086000

Reexamination Certificate

active

06871129

ABSTRACT:
A control system of a continuously variable transmission for a vehicle compensates for delays in an estimated input torque TINEbased on a gradient value (variation) of the estimated input torque TINE,. For example, a friction force being applied to a driving belt of a continuously variable transmission is regulated according to the compensated estimated input torque TINE. Accordingly, an appropriate torque transmitting capacity is maintained in the transmission even at a rapid accelerating operation of the vehicle, while realizing good fuel efficiency.

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