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A New Algorithm (STAR) for Cycle Ambiguity Resolution within GPS Based Attitude Determination

Arbinger, C. and Enderle, W. and Fraiture, L. and Wagner, O. (1999) A New Algorithm (STAR) for Cycle Ambiguity Resolution within GPS Based Attitude Determination. 4th ESA International Conference on Spacecraft Guidance, Navigation and Control Systems, ESTEC Noordwijk, 18. - 21. Oktober 1999.

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Abstract

For future board autonomous navigation tasks, GPS offers the possibility to perform these tasks on board the user satellite with a single sensor, including the advantages of low weight and power consumption, small volume, complete navigation information on board and reduced ground operation costs. With the development of the algorithms for orbit and attitude determination and the receiver hadware, a great potential with significant influence on future missions and applications has arisen. Attitude determination using GPS carrier phase measurements relies on the interferometric principle. Hereby an ambiguity appears, corresponding to an interger number of carrier phase cycles of the received GPS signal. The resolution of this interger ambiguity is an important intialization process for attitude determination and serves as a starting point for further algorithms to calculate the attitude solution. This paper presents a new method for solving the cycle ambiguities, called the STAR-algorithm (Spherical Trigonometry Ambiguity Resolution). The STAR- algorithm relies purely on spherical trigonometry. Results of simulations and ground experiments have s shown that it works very successful and robust.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2000,
Title:A New Algorithm (STAR) for Cycle Ambiguity Resolution within GPS Based Attitude Determination
Authors:
AuthorsInstitution or Email of Authors
Arbinger, C.UNSPECIFIED
Enderle, W.UNSPECIFIED
Fraiture, L.UNSPECIFIED
Wagner, O.UNSPECIFIED
Date:1999
Page Range:pp. 1-3
Status:Published
Keywords:Attitude determination using GPS; Governing Equations; The STAR-algorithm; Simulation results; Conclusions
Event Title:4th ESA International Conference on Spacecraft Guidance, Navigation and Control Systems, ESTEC Noordwijk, 18. - 21. Oktober 1999
Organizer:ESA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Hauptabteilung Raumflugbetrieb und Astronautenausbildung
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 17:11

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