Vehicle position determination system and method

Details Vehicle position determination system and method Vehicle position determination system and method

1993-02-18

1995-08-01

Chin, Gary

Boots, shoes, and leggings

364459, 342357, 342457, G06F 1550

Patent

active

054385172

ABSTRACT:
Systems and methods allow for the accurate determination of the terrestrial position of an autonomous vehicle in real time. A first position estimate of the vehicle 102 is derived from satellites of a global positioning system and/or a pseudolite(s). The pseudolite(s) may be used exclusively when the satellites are not in the view of the vehicle. A second position estimate is derived from an inertial reference unit and/or a vehicle odometer. The first and second position estimates are combined and filtered using novel techniques to derive a more accurate third position estimate of the vehicle's position. Accordingly, accurate autonomous navigation of the vehicle can be effectuated using the third position estimate.

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patent: 5155490 (1992-10-01), Spradley, Jr. et al.
patent: 5202829 (1993-04-01), Geier

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