Positioning and ground proximity warning method and system there

Details Positioning and ground proximity warning method and system there Positioning and ground proximity warning method and system there

1999-02-01

2000-12-05

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Relative location

Collision avoidance

701 4, 701 9, 701208, 701213, 701220, 244180, 73178T, 342 63, 342 65, 342 26, 342120, 342194, 342123, 34235711, 34235714, G01S 502, G01S 1308

Patent

active

061578916

ABSTRACT:
A positioning and ground proximity warning method for vehicle includes the steps of outputting global positioning system signals to an integrated positioning/ground proximity warning system processor; outputting an inertial navigation solution to an integrated positioning/ground proximity warning processor; measuring air pressure, and computing barometric measurements which is output to the integrated positioning/ground proximity warning processor; measuring time delay between transmission and reception a radio signal from a terrain surface, and computing radio altitude measurement which is output to the integrated positioning/ground proximity warning processor; accessing a terrain database for obtaining current vehicle position and surrounding terrain height data which is output to the integrated positioning/ground proximity warning processor; and receiving the position, velocity and time information or said pseudorange and delta range measurements of said global positioning system, the inertial navigation solution, the radio altitude measurement, the radio altitude measurement, and the current vehicle position and surrounding terrain height data, and computing optimal positioning solution data and optimal ground proximity warning solution data.

REFERENCES:
patent: 5654890 (1997-08-01), Nicoia et al.
patent: 5657025 (1997-08-01), Ebner et al.
patent: 5757316 (1998-05-01), Buchler

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