Driver's associate: a system for vehicle navigation and driving

Details Driver's associate: a system for vehicle navigation and driving Driver's associate: a system for vehicle navigation and driving

1994-01-26

1995-11-28

Teska, Kevin J.

Boots, shoes, and leggings

364443, 364449, 73178R, G06F 1700

Patent

active

054713935

ABSTRACT:
The Driver's Associate assists a driver of a vehicle to more efficiently reach a desired destination, to record the route driven, and to provide driving summary reports. The present invention uses a unique method for tracking the dead-reckoned coordinate of the vehicle by using a sum-of-squares or .chi..sup.2 minimization algorithm for plotting the navigation route, tracking the vehicle through the road map database, and for normalizing the vehicle's location between the dead-reckoned coordinate and the roadway projected coordinate. The present invention also uses a Singular Value Decomposition method for optimizing the normalization process so that we can track a vehicle's location more accurately than other navigation devices.

REFERENCES:
patent: 4520445 (1985-05-01), Keearns
patent: 5272639 (1993-12-01), McGuffin
patent: 5307278 (1994-04-01), Hermans et al.
patent: 5317514 (1994-05-01), Bancroft et al.

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