Vehicle motion control device

In the roll-over preventing control, a vehicle motion control device causes inner-wheel braking force, according to the absolute value of an actual lateral acceleration Gy, only on the rear wheel at the inner side of the turning direction when the absolute value |Gy| of the actual lateral accelerati...

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Bibliographic Details
Main Authors Kato, Toshihisa, Nagaya, Junya
Format Patent
LanguageEnglish
Published 02.03.2010
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Summary:In the roll-over preventing control, a vehicle motion control device causes inner-wheel braking force, according to the absolute value of an actual lateral acceleration Gy, only on the rear wheel at the inner side of the turning direction when the absolute value |Gy| of the actual lateral acceleration is not less than a rear-wheel-side reference value Gyr and not more than a front-wheel-side reference value Gyf thereby causing height lowering force at the vehicle rear-side section of the inner side of the turning direction. In addition, when the absolute value |Gy| of the actual lateral acceleration becomes not less than the front-wheel-side reference value Gyf, the inner-wheel braking force according to the absolute value |Gy| of the actual lateral acceleration is kept to be caused on the rear wheel at the inner side of the turning direction and outer-wheel braking force according to the absolute value |Gy| of the actual lateral acceleration is also caused on the front wheel at the outer side of the turning direction, thereby forcibly generating a yawing moment on the vehicle in the direction opposite to the turning direction.