| 摘要 |
PROBLEM TO BE SOLVED: To effectively obtain the braking force corresponding to the situation of a vehicle by adjusting the braking force generated corresponding to the operation amount of a braking sensor to become larger, the smaller a distance between the vehicle and a leading vehicle is. SOLUTION: During the travelling of a vehicle, a distance L between a vehicle and a leading vehicle is operated on the basis of the detection from a radar sensor, and a relative speed Vs is also operated during the travelling of the vehicle (S1). For example, when the distance between the vehicles L is judged below a predetermined position Ls, or the relative speed Vs is judged below zero (S2), the smaller the distance between vehicles L is, the larger the braking force gain is set to a value above '1', before the start of the actual braking operation to keep a condition that the braking function is increased. That is, the braking force corresponding to the distance L between the vehicle and the leading vehicle is applied to the vehicle in the actual braking operation by a driver, and the vehicle is braked by higher braking force (S4), when it is judged that the driver's will for attenuation is stronger (S3).
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