Navigation system for indicating of optimum route

Details Navigation system for indicating of optimum route Navigation system for indicating of optimum route

1996-11-27

2000-02-15

Nguyen, Tan

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701201, 340990, G01C 2100, G06F16500

Patent

active

060263466

ABSTRACT:
A navigation method and apparatus and a navigation program are provided for guiding a vehicle to a destination along a guide route. An off-route detection unit detects an off-route condition when the vehicle is displaced from the guide route and a guide route searching unit searches or determines, when the off-route detection unit detects an off-route condition, a route from a present position of the vehicle to the destination or return point on the guide route. The guide route determining or searching unit includes a weight factor determining unit for determining a weighting value to modify or scale a road parameter used in determining the guide route, a modifying unit for modifying the parameter based on the weighting value, and a calculating unit for calculating a route from the present position of the vehicle to the destination or the return point on the guide route, as a function of the modified parameter. A display is provided for displaying the guide route to the operator of the vehicle.

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