Vehicle control system

Details Vehicle control system Vehicle control system

1995-06-05

1998-05-05

Chin, Gary

Boots, shoes, and leggings

36442604, 364460, 340903, 340990, 340995, G06F16500

Patent

active

057484767

ABSTRACT:
A vehicle control system which controls a vehicle in accordance with the curvature of a road as determined from map information comprising a set of coordinate points which represent the course of the road. A passable vehicle speed enabling the vehicle to pass through a plurality of nodes existing at predetermined distances within an operating section established on the road ahead of a given vehicle position is calculated on the assumption that a voluntary speed reduction has been conducted. The radii of a first virtual turning locus and a second virtual turning locus produced at a predetermined lateral acceleration are calculated based on the passable vehicle speeds at the nodes. A passable zone, a warning zone and an automatic speed-reducing zone are established based on the first and second virtual turning locus radii. If any of the nodes ahead of the virtual vehicle position exists in the warning zone, a warning is provided to the driver. If any of the nodes ahead of the virtual vehicle position exists in the automatic speed-reducing zone, automatic speed reduction of the vehicle is carried out.

REFERENCES:
patent: 5444629 (1995-08-01), Kishi et al.
patent: 5465089 (1995-11-01), Nakatani et al.
patent: 5539397 (1996-07-01), Asanuma et al.
patent: 5546311 (1996-08-01), Sekine

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