VEHICLE DRIVE ASSIST SYSTEM
First Claim
1. A vehicle drive assist system, comprising:
- front vehicle information detecting means for detecting front vehicle information;
rear vehicle information detecting means for detecting rear vehicle information;
front-end collision risk calculating means for calculating a front-end collision risk against the front vehicle by concerning at least an element of a relative speed between the front vehicle and the subject vehicle;
rear-end collision risk calculating means for calculating a rear-end collision risk by the rear vehicle by concerning at least an element of a relative speed between the rear vehicle and the subject vehicle with a larger weight than a weight of the element of the relative speed in the front-end collision risk against the front vehicle; and
control means for performing travel control in accordance with the front-end collision risk against the front vehicle and the rear-end collision risk by the rear vehicle.
3 Assignments
0 Petitions
Accused Products
Abstract
A control unit sets a front-end collision risk of a subject vehicle against a front vehicle in accordance with a time headway of the subject vehicle and a margin time to front-end collision of the subject vehicle, and a rear-end collision risk of the subject vehicle by a rear vehicle in accordance with a time headway of the rear vehicle and a margin time to rear-end collision of the subject vehicle, the margin time to rear-end collision having a larger weight than that of the margin time to front-end collision in the front-end collision risk against the front vehicle. Brake control and alarm control are performed in accordance with the front-end collision risk against the front vehicle and the rear-end collision risk by the rear vehicle.
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Citations
6 Claims
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1. A vehicle drive assist system, comprising:
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front vehicle information detecting means for detecting front vehicle information; rear vehicle information detecting means for detecting rear vehicle information; front-end collision risk calculating means for calculating a front-end collision risk against the front vehicle by concerning at least an element of a relative speed between the front vehicle and the subject vehicle; rear-end collision risk calculating means for calculating a rear-end collision risk by the rear vehicle by concerning at least an element of a relative speed between the rear vehicle and the subject vehicle with a larger weight than a weight of the element of the relative speed in the front-end collision risk against the front vehicle; and control means for performing travel control in accordance with the front-end collision risk against the front vehicle and the rear-end collision risk by the rear vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification