Driver intention detection algorithm for transmission control

Interrelated power delivery controls – including engine control – Transmission control – Including fluid drive

Reexamination Certificate

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Details

C477S065000, C477S079000, C477S086000

Reexamination Certificate

active

07976430

ABSTRACT:
A system and method for providing TCC control and/or transmission gear shift control by considering the rate of change of the accelerator pedal or throttle position. The method determines whether the rate of change of the throttle position exceeds a predetermined positive rate of change or a predetermined negative rate of change and, if so, releases the TCC to provide TCC control. Alternatively, or additionally, the method can provide a transmission gear down-shift or up-shift depending on which direction the throttle position is changing. Once the TCC and/or gear shift control has been initiated, the method can start a timer and then return to normal TCC and/or gear shift control after the timer has expired. The TCC and/or gear shift control can also return to normal if the rate of change of the throttle position indicates that the throttle is being returned to its previous position.

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patent: 2004-100780 (2004-04-01), None

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