| 摘要 |
PROBLEM TO BE SOLVED: To achieve automatic braking control in a truck or a bus. SOLUTION: When TTC derived based upon the relative distance and the relative speed of an object and an own vehicle is under a preset value, automatically stepped braking control for gradually increased the braking force in two or more stages is time-series conducted. At this time, the classification (an automobile or a large vehicle) of the vehicle ahead is distinguished, and a suitable braking pattern is selected according to the classification of the vehicle ahead. In distinguishing the classification of the vehicle ahead, car width information of the vehicle ahead is utilized. The car width information of the vehicle ahead is obtained by analyzing the image of the vehicle ahead, for example. COPYRIGHT: (C)2007,JPO&INPIT
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