Patent ID: 7168769
Filing Date: 2007-01-30
Classification: B60T

Abstract:
1. A brake system for a vehicle, comprising: a brake apparatus that applies braking force to each wheel of the vehicle; and a controller that controls the braking force applied to the wheel by controlling the brake apparatus so that an actual slip rate of the wheel matches a target slip rate, wherein the controller is adapted to: during a specific brake control mode in which the target slip rate is set so as to prevent the actual slip rate of the wheel from exceeding a reference value and therefore avoid locking the wheel, make a first correction to the target slip rate set in the brake control mode such that the actual yaw rate of the vehicle matches a target yaw rate; and ensure through an adjustment of the target slip rate, a provision of a greater longitudinal force on the wheel than that obtained with the target slip rate determined or would have been determined by the first correction if a reduction in braking force of the vehicle is expected, wherein the controller is further adapted to bring about the adjustment of the target slip rate by increasing the target slip rate determined by the first correction or by prohibiting the first correction, and the controller is further adapted to control a value of time quadrature of a fluid pressure that is applied to the brake apparatus in proportion to a deviation of the actual slip rate from the target slip rate.