DocumentCode :
2902613
Title :
Modeling Earth´s gravitational gradients for GPS-free navigation
Author :
Welker, Troy C. ; Huffman, Richard E. ; Pachter, M.
fYear :
2013
fDate :
17-19 June 2013
Firstpage :
1602
Lastpage :
1607
Abstract :
A method is developed to estimate an aircraft´s navigation state using gravitational gradients calculated from a spherical harmonic model of the Earth, in concert with terrain elevation data, without using surveyed gravity information.
Keywords :
aircraft navigation; terrain mapping; Earth gravitational gradients; GPS-free navigation; aircraft navigation state; spherical harmonic model; terrain elevation data; Atmospheric modeling; Data models; Earth; Gravity; Harmonic analysis; Kalman filters; Mathematical model; INS; accelerometer; cold atom interferometry; gravity gradiometry;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
American Control Conference (ACC), 2013
Conference_Location :
Washington, DC
ISSN :
0743-1619
Print_ISBN :
978-1-4799-0177-7
Type :
conf
DOI :
10.1109/ACC.2013.6580064
Filename :
6580064
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2902613
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