This invention is drawn to an autonomous navigation system using Global Positioning System (GPS) and magnetometers for low Earth orbit satellites. As a magnetometer is reliable and always provides information on spacecraft attitude, rate, and orbit, the magnetometer-GPS configuration solves GPS initialization problem, decreasing the convergence time for navigation estimate and improving the overall accuracy. Eventually the magnetometer-GPS configuration enables the system to avoid costly and inherently less reliable gyro for rate estimation. Being autonomous, this invention would provide for black-box spacecraft navigation, producing attitude, orbit, and rate estimates without any ground input with high accuracy and reliability.
Autonomous navigation system based on GPS and magnetometer data
2004-07-06
Miscellaneous
No indication
English
Autonomous satellite navigation via Kalman filtering of magnetometer data
Online Contents | 1996
|Autonomous satellite navigation via Kalman filtering of magnetometer data
British Library Conference Proceedings | 1996
|Autonomous Satellite Navigation Via Kalman Filtering of Magnetometer Data
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Elsevier | 2011
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