| 摘要 |
In an automatic vehicular velocity control apparatus for an automotive vehicle, a relative velocity detector is provided to detect a relative velocity of a preceding vehicle to the vehicle, an inter-vehicle distance command value calculator is provided to calculate an inter-vehicle distance command value, a control response characteristic determinator is provided to determine a control response characteristic of the inter-vehicle distance control system according to a deviation from the inter-vehicle distance command value to a detected value of the inter-vehicle distance and a detected value of the relative velocity, a vehicular velocity command value calculator is provided to calculate a vehicular velocity command value on the basis of the determined control response characteristic of the inter-vehicle distance control system, and a vehicular velocity control section is provided to control at least one of a driving force of the vehicle, a braking force of the vehicle, and a gear ratio of a transmission in such a manner that a detected value of the vehicular velocity is made coincident with the vehicular velocity command value. The control response characteristic determinator includes maps representing a relationships of a specific angular frequency omegaM (or omegac) with respect to the relative velocity DELTAV and an inter-vehicle distance deviation DELTAL and a damping factor &zgr;M (or &zgr;c) with respect to the relative velocity and the inter-vehicle distance deviation.
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