Adaptive clutch torque control for a powershift transmission

Details Adaptive clutch torque control for a powershift transmission Adaptive clutch torque control for a powershift transmission

2011-07-26

2011-07-26

Estremsky, Sherry (Department: 3655)

Interrelated power delivery controls, including engine control

Clutch control

Regulated clutch engagement

C192S1030FA

Reexamination Certificate

active

07985163

ABSTRACT:
A method for controlling an input clutch of a vehicle transmission that includes an output driveably connected to the input clutch includes increasing the torque capacity of the input clutch, determining a reference acceleration of the output, determining a current acceleration of the output after the reference acceleration is determined, if a difference between the reference acceleration of the output and the current acceleration of the output is equal to or greater than a reference change in acceleration of the output, determining a desired input clutch torque, and adjusting the input clutch to produce the desired input clutch torque.

REFERENCES:
patent: 6112870 (2000-09-01), Fukumoto
patent: 6711964 (2004-03-01), Ochi et al.
patent: 2003/0089569 (2003-05-01), Antonov et al.

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