Vehicle control system

Details Vehicle control system Vehicle control system

1997-11-03

2000-10-31

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

701205, 701211, 340990, 340995, G06F16500

Patent

active

061416193

ABSTRACT:
A vehicle control system controls vehicle speed and provides a warning by deciding whether or not the prevailing vehicle speed allows the vehicle to pass a curve in the road ahead in accordance with the surrounding environment of the vehicle. The system calculates a gaze angle, .theta. which is made between a direction a of a vehicle in its actual position P.sub.0 and a segment b joining the actual position P.sub.0 and a prospective position P.sub.n. The vehicle speed control or warning is performed when the gaze angle .theta. exceeds a reference gaze angle. This reference gaze angle varies with the angle of view of the driver. At high-speed travel or at night where the drivers visibility angle is reduced, the reference gaze angle is set to a small value so that the vehicle control may be advanced. At low-speed travel or in the daytime where the driver's visibility angle is increased, the reference gaze angle is set to a large value so that the vehicle control may be delayed.

REFERENCES:
patent: 5485381 (1996-01-01), Heintz et al.
patent: 5703780 (1997-12-01), Takanabe et al.
patent: 5748476 (1998-05-01), Sekine et al.

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