implementation of a differential geometric filter for spacecraft formation orbit estimation
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ID: 236373
2012
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Abstract
The differential geometric filter is implemented to estimate the absolute and
relative positions of the spacecraft in a formation. The extended Kalman Filter is
also implemented as a benchmark for the differential geometric estimation. Only
relative positions between the spacecraft are measured. Relative positions are measured
using a wireless local positioning system (WLPS) installed in all spacecraft.
Two different scenarios are studied: (1) the observations include WLPS measurements
only and (2) the observations include WLPS measurements in addition to
measurements for the absolute position of one spacecraft made by a radar that
takes measurements from the earth’s surface. Results show that the differential
geometric estimation has better stability performance and a faster convergence
rate compared to the extended Kalman filter.
| Reference Key |
goh2012internationalimplementation
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|---|---|
| Authors | ;Shu Ting Goh;Ossama Abdelkhalik;Seyed A. (Reza) Zekavat |
| Journal | shanghai kou qiang yi xue = shanghai journal of stomatology |
| Year | 2012 |
| DOI |
10.1155/2012/910496
|
| URL | |
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