초록 ▼

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 pr

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.

대표청구항 ▼

[ What is claimed is:] [1.] A positioning and ground proximity warning method for vehicle, comprising the steps of:(a) receiving global positioning system information for deriving position, velocity and time information or pseudorange and delta range measurements of a global positioning system, and

[ What is claimed is:] [1.] A positioning and ground proximity warning method for vehicle, comprising the steps of:(a) receiving global positioning system information for deriving position, velocity and time information or pseudorange and delta range measurements of a global positioning system, and outputting said global positioning system information to an integrated positioning/ground proximity warning system processor;(b) receiving vehicle angular rate and specific force information for computing an inertial navigation solution, including position, velocity, and attitude of said vehicle, by solving inertial navigation equations, and outputting said inertial navigation solution to said integrated positioning/ground proximity warning processor;(c) measuring air pressure, and computing barometric measurements which is output to said integrated positioning/ground proximity warning processor;(d) measuring time delay between transmission and reception of a radio signal from a terrain surface, and computing radio altitude measurement which is output to said integrated positioning/ground proximity warning processor;(e) accessing a terrain database for obtaining current vehicle position and surrounding terrain height data which is output to said integrated positioning/ground proximity warning processor; and(f) receiving said position, velocity and time information or said pseudorange and delta range measurements of said global positioning system, said inertial navigation solution, said radio altitude measurement, and said current vehicle position and surrounding terrain height data, and computing optimal positioning solution data and optimal ground proximity warning solution data.