| 摘要 |
PROBLEM TO BE SOLVED: To smoothly control a car speed, by performing inter-vehicle distance control relating to a virtual preceding vehicle even in the case of undesirable behavior in the preceding vehicle. SOLUTION: An inter-vehicle distance to a preceding ahead vehicle is detected by a laser means 2, a virtual preceding vehicle of an equal car speed to the preceding ahead vehicle is set by a controller 3, smaller one of the target acceleration candidacy relating to a preceding vehicle and that relating to the virtual preceding vehicle is set to the target acceleration, the car speed of a vehicle 1 is controlled, even in the case of undesirable behavior in the preceding vehicle, inter-vehicle distance control relating to the virtual preceding vehicle is performed, and the car speed is smoothly controlled.
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