Title :
GPS-based attitude determination for microsatellite using three-antenna technology
Author :
Lin, Dai ; Voon, Ling Keck ; Guo, Hu Rong ; Nagarajan, N.
Abstract :
Global positioning system (GPS) has been used successfully to determine the attitude of a spacecraft. A direct calculation method of attitude determination for a micro-satellite using three-antenna system is described. Real time ambiguity resolution for baseline vectors is a key process for a high accuracy attitude determination. The ambiguity resolution method and validation test are discussed based on the special property of the three-antenna system. Simulation results are presented in this paper showing that better than one-degree accuracy of the platform attitude can be achieved.
Keywords :
Global Positioning System; antenna arrays; attitude measurement; receiving antennas; space vehicles; vectors; GPS based attitude determination; ambiguity resolution method; baseline vectors; direct calculation method; global positioning system; microsatellite; spacecraft; three antenna system; three antenna technology; validation test; Aerospace electronics; Aerospace engineering; Control systems; Decorrelation; Global Positioning System; Instruments; Low earth orbit satellites; Position measurement; Space technology; System testing;
Conference_Titel :
Aerospace Conference, 2004. Proceedings. 2004 IEEE
Print_ISBN :
0-7803-8155-6
DOI :
10.1109/AERO.2004.1367704
