Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Patent
1997-12-05
2000-07-04
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
701 51, 701 95, 477107, 477115, 477125, G06F 700, G06F 1700, G06F 1900
Patent
active
060851406
ABSTRACT:
Disclosed is a shift control method for an automatic transmission, including the steps of; detecting a present vehicle speed, determining whether a present shift stage is lower than a predetermined shift stage, and measuring a change of throttle opening degree when an accelerator pedal is released; determining whether the change is realized in less than a predetermined amount of time when the present shift stage is determined to be lower than the predetermined shift stage, thereby determining whether the throttle opening is abruptly changed; and performing a skip upshift operation by more than two stages when the throttle opening is determined to be abruptly changed. Further, disclosed is a shift control system for realizing the above method.
REFERENCES:
patent: 4970916 (1990-11-01), Narita
patent: 5031100 (1991-07-01), Takahashi
patent: 5393275 (1995-02-01), Okada et al.
patent: 5415056 (1995-05-01), Tabata et al.
patent: 5501642 (1996-03-01), Inuzuka et al.
patent: 5527236 (1996-06-01), Kimura et al.
Arthur Gertrude
Cuchlinski Jr. William A.
Hyundai Motor Company
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