VEHICLE CONTROL DEVICE

PROBLEM TO BE SOLVED: To prevent a vehicle from traveling in a direction opposite to an advancing direction when a traveling range is selected for climbing a slope road. SOLUTION: The vehicle control device in a vehicle having an automatic transmission 4 inputted with power from an engine 1 through...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUNAKOSHI SHUICHI, FUJITA HIDEHIRO, OKAMOTO NORIMASA
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To prevent a vehicle from traveling in a direction opposite to an advancing direction when a traveling range is selected for climbing a slope road. SOLUTION: The vehicle control device in a vehicle having an automatic transmission 4 inputted with power from an engine 1 through a torque converter 2 and creeping when the traveling range is selected determines whether or not the vehicle has started descending travel by releasing a brake based on a vehicle speed VSP when a D-range advancing in the ascending direction of a slope road is selected. When the vehicle control device determines the descending travel, the vehicle control device generates, based on the decision, first torque T1smaller than gradient resistance torque TRGto allow the descending travel with acceleration by a self weight. When the vehicle speed VSP in the descending traveling on a descent reaches a set vehicle speed V2, the vehicle control device generates second torque T2equal to the gradient resistance torque TRGallowing the descending travel of a certain speed V2by the self weight. COPYRIGHT: (C)2010,JPO&INPIT