SLOPING ROAD TRAVELING JUDGMENT DEVICE, TIRE INFLATION PRESSURE REDUCTION ALARM DEVICE USING IT, SLOPING ROAD TRAVELING JUDGMENT METHOD AND TIRE INFLATION PRESSURE REDUCTION ALARM METHOD USING THIS METHOD

摘要

PROBLEM TO BE SOLVED: To provide a sloping road traveling judgment method capable of preventing an erroneous action of a pressure reduction judgment at the time of the sloping road traveling.;SOLUTION: The sloping road traveling judgment device is provided with a rotation information detection means for detecting a rotation information of four tires attached to a vehicle; a memory means for memorizing the rotation information of the tires; an accelerator open degree detection means for detecting an information of an accelerator open degree; and a sloping road judgment means for judging a sloping road traveling from a variation amount of the accelerator open degree and a variation amount of a vehicle speed.;COPYRIGHT: (C)2002,JPO