Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Patent
1997-11-14
1999-11-02
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
701 1, 701207, 701208, 340988, 340990, G06F 770
Patent
active
059787244
ABSTRACT:
A vehicle control system enables the passableness of a vehicle through an upcoming section of road to be properly decided, by compensating the influences which are exerted upon the passableness decision by the detection errors of the actual position of the vehicle. Assuming that a deceleration is performed by the vehicle driver at a predetermined reference deceleration .beta. from a vehicle speed V.sub.0 at an actual position P.sub.0, the system calculates passable vehicle speeds of a plurality of tentative positions N.sub.k which are set on a road ahead of the actual position P.sub.0. On the basis of the passable vehicle speeds corresponding to the individual tentative positions N.sub.k, a passable zone Z.sub.1, a warning zone Z.sub.2 and an automatic deceleration zone Z.sub.3 are set by the system so that a warning to the driver is performed, if any of nodes N.sub.k+1, - - - , and so on ahead of the tentative position N.sub.k is present in the warning zone Z.sub.2, and the automatic deceleration of the vehicle is performed if any of the nodes are present in the automatic deceleration zone Z.sub.3. In order that the decision error of the passableness, as accompanying the detection error of the actual position P.sub.0, may be compensated, the reference deceleration .beta. is corrected in accordance with the magnitude of the vehicle speed V.sub.0 or the radius of curvature of the road.
REFERENCES:
patent: 4123023 (1978-10-01), Nelson
patent: 5552990 (1996-09-01), Ihara et al.
Arthur Gertrude
Blackman William D.
Carrier Joseph P.
Cuchlinski Jr. William A.
Honda Giken Kogyo Kabushiki Kaisha
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