| 摘要 |
PROBLEM TO BE SOLVED: To achieve an automatic brake control in a truck or a bus. SOLUTION: A stepwise brake control is automatically performed when TTC obtained according to a relative distance and a relative speed between the own vehicle and an object is lower than a predetermined value. For example, a brake force or a brake reduction speed is gradually increased over a plurality of stages in time series. Furthermore, the brake control is adaptively performed depending on the degree of time required until the own vehicle collides with the object. COPYRIGHT: (C)2007,JPO&INPIT
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