Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1997-11-10
1999-11-02
Chin, Gary
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701 1, 701 93, 701301, 340988, 180179, G06F16500
Patent
active
059787317
ABSTRACT:
A vehicle control system makes it possible to properly decide the passableness of a road curve in the forward direction of a subject vehicle by setting a tentative position ahead of an actual position by a tentative position setting mechanism M4, and calculates an estimated passage speed at the tentative position by an estimated passage speed calculating mechanism M5 on the basis of the distance between the actual position and the tentative position. A curve curvature radius calculating mechanism M6 and a curve length calculating mechanism M7 calculate the radius of curvature and length of a curve existing on a road ahead of the tentative position, on the basis of a map data outputted by a map data outputting mechanism M1, and a proper passage speed calculating mechanism M8 calculates the proper curve passing speed on the basis of the curvature radius and length of the curve. A passableness deciding mechanism M9 decides the passableness of the vehicle by comparing the estimated passing speed and the proper passing speed so that a vehicle control mechanism M10 controls the vehicle to allow it to pass the curve when it is decided that the vehicle cannot safely pass the curve.
REFERENCES:
patent: 5465089 (1995-11-01), Nakatani et al.
patent: 5539397 (1996-07-01), Asanuma et al.
patent: 5546311 (1996-08-01), Sekine
patent: 5661650 (1997-08-01), Sekine et al.
patent: 5748476 (1998-05-01), Sekine et al.
Blackman William D.
Carrier Joseph P.
Chin Gary
Honda Giken Kogyo Kabushiki Kaisha
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