System for recalculating a path

Details System for recalculating a path System for recalculating a path

1998-01-22

2000-03-14

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701 26, 701201, 701209, G01C 2100, G06G 778

Patent

active

06038509&

ABSTRACT:
A typical pathfinding system provides a user with a set of directions for following a path from an origin to a destination in a network. If the user deviates from the path, the system for recalculating a path determines a new path which directs the user from the user's new location, which is off the original path, to the destination. To decrease the amount of time needed to determine the new path to the destination, the system adds links to the network. Each of the added links connect nodes from the original path directly to the destination. A new path is determined from the new location to the destination using the augmented network.

REFERENCES:
patent: 5303159 (1994-04-01), Tamai et al.
patent: 5652706 (1997-07-01), Morimoto et al.
patent: 5752217 (1998-05-01), Ishizaki
patent: 5774073 (1998-06-01), Maekawa et al.
patent: 5878368 (1999-03-01), DeGraaf
patent: 5893081 (1999-04-01), Poppen

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