Method and apparatus of integrating Global Positioning System and Inertial Navigation System without using accelerometers
First Claim
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1. A guidance system for a flying vehicle which includes:
- means to sense from the dynamics of the flying vehicle information relating to the position and the velocity of the vehicle;
a GPS means responsive to the position and velocity information to provide velocity and position vectors and components of the velocity vector;
a guidance algorithm means responsive to the current position and velocity vectors of the vehicle to provide certain steering information and to provide a velocity vector to be gained;
a velocity steering means responsive to the velocity vector to be gained provided by the guidance algorithm means and to components of the velocity vector provided by the GPS to generate a steering rate vector, andmeans responsive to the steering rate vector provided by the velocity steering means to adjust accordingly the attitude of the flight vehicle.
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Abstract
A method and arrangement for integrating a Global Positioning System and an Inertial Navigating System without the use of accelerometers to provided a velocity steering signal that is utilized in the guidance of a flying vehicle, such as a space craft. The method and arrangement do not require the use of accelerometers. A mechanization for interfacing the integrated Global Positioning System and the Inertial Navigating System with a flight control system which controls a flying vehicle is disclosed.
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Citations
5 Claims
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1. A guidance system for a flying vehicle which includes:
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means to sense from the dynamics of the flying vehicle information relating to the position and the velocity of the vehicle; a GPS means responsive to the position and velocity information to provide velocity and position vectors and components of the velocity vector; a guidance algorithm means responsive to the current position and velocity vectors of the vehicle to provide certain steering information and to provide a velocity vector to be gained; a velocity steering means responsive to the velocity vector to be gained provided by the guidance algorithm means and to components of the velocity vector provided by the GPS to generate a steering rate vector, and means responsive to the steering rate vector provided by the velocity steering means to adjust accordingly the attitude of the flight vehicle. - View Dependent Claims (2, 3, 4, 5)
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Specification