Patent ID: 8548706
Filing Date: 2013-10-01
Classification: B60T,B60W

Abstract:
1. A turning behavior control device of a vehicle having front and rear, right and left wheels, the turning behavior control device comprising: a control yaw moment calculator, calculating control yaw moment to be added to the vehicle; a first yaw motion adjustor, adjusting drive force applied to the right and the left wheels in at least one of the front wheels and the rear wheels to adjust a difference in driving force between the right and left wheels; a second yaw motion adjustor, adjusting a braking force of a braking device applied to the right and left wheels in at least one of the front wheels and the rear wheels to adjust a difference in braking force between the right and left wheels; a yaw motion controller, outputting control signals to the first and second yaw motion adjustors to generate the control yaw moment, and controlling the second yaw motion adjustor such that braking force of the turning outer wheel increases while controlling the first yaw motion adjustor such that driving force of the turning inner wheel increases when restraining the yaw motion of the vehicle, and controlling the second yaw motion adjustor such that braking force of the turning inner wheel increases while controlling the first yaw motion adjustor such that driving force of the turning outer wheel increases when accelerating the yaw motion of the vehicle; and an acceleration and deceleration detector, detecting an acceleration and deceleration of the vehicle, wherein: when the acceleration and deceleration detector detects acceleration of the vehicle, the yaw motion controller increases a rate of an amount of control distributed to the first yaw motion adjustor as to be larger than a rate of an amount of control distributed to the first yaw motion adjustor when the acceleration and deceleration detector detects deceleration of the vehicle; and when the acceleration and deceleration detector detects deceleration of the vehicle, the yaw motion controller increases a rate of an amount of control distributed to the second yaw motion adjustor as to be larger than a rate of an amount of control distributed to the second yaw motion adjustor when the acceleration and deceleration detector detects acceleration of the vehicle, and wherein, the yaw motion controller varies a rate of the amount of control distributed to the second yaw motion adjustor with respect to the amount of control distributed to the first yaw motion adjustor while simultaneously increasing the amount of control distributed to the first yaw motion adjustor and the amount of control distributed to the second yaw motion adjustor as a degree of oversteer or a degree of understeer increases.