Patent ID: 6163741
Filing Date: 2000-12-19
Classification: B60K,B60W,G01C

Abstract:
A system for determining the passability of a vehicle, comprising map information means for outputting map information as an aggregation of a plurality of nodes constituting a road section, subject-vehicle position detecting means for detecting a position of a subject vehicle on a map, road-shape determining means for determining the shape of a road based on a node ahead of the subject vehicle position, and passability determining means for determining whether the vehicle can pass through said node ahead of the vehicle, based on the determined shape of the road, said road-shape determining means including first determining means for determining whether said node exists on a curve or on a straight road, second determining means for determining whether another node exists on the curve, third determining means for determining whether said curve is a simple curve or an S-shaped curve, and fourth determining means for determining whether said curve is an S-shaped curve, when it is determined by said second determining means that said node exists alone on the curve.