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Flight results of GPS-based attitude determination for the microsatellite Flying Laptop

Hauschild, Andre and Markgraf, Markus and Mohr, Ulrich and Montenbruck, Oliver (2019) Flight results of GPS-based attitude determination for the microsatellite Flying Laptop. Navigation, Journal of the Institute of Navigation, 66 (2), pp. 277-287. Wiley. doi: 10.1002/navi.299|. ISSN 0028-1522.

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Official URL: https://onlinelibrary.wiley.com/doi/full/10.1002/navi.299


The paper presents attitude determination results obtained with the “GPS‐Enhanced Navigation system for the University of Stuttgart microsatellite” (GENIUS) onboard “Flying Laptop.” Real flight data have been collected in different measurement campaigns. The performance of the algorithm is evaluated in the presence of typical satellite attitude maneuvers. It is shown that the major sources of errors are offsets and variations of the differential antenna phase patterns. The variations depend on azimuth and elevation angle of the line‐of‐sight vector to the tracked satellite. They lead to systematic errors in the carrier‐phase single differences on the order of a few tens of millimeters. These errors translate into attitude errors up to 1°. It will be demonstrated how much these errors can be mitigated by in‐flight calibration based on carrier‐phase measurement residuals. The flight results will be compared with the prelaunch ground tests and simulations performed, which will provide valuable insight into how realistically the flight performance can be predicted before launch.

Item URL in elib:https://elib.dlr.de/127947/
Document Type:Article
Title:Flight results of GPS-based attitude determination for the microsatellite Flying Laptop
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Hauschild, Andreandre.hauschild (at) dlr.dehttps://orcid.org/0000-0002-0172-3492
Markgraf, Markusmarkus.markgraf (at) dlr.deUNSPECIFIED
Mohr, Ulrichmohr (at) irs.uni-stuttgart.deUNSPECIFIED
Montenbruck, Oliveroliver.montenbruck (at) dlr.dehttps://orcid.org/0000-0003-4783-745X
Date:19 March 2019
Journal or Publication Title:Navigation, Journal of the Institute of Navigation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1002/navi.299|
Page Range:pp. 277-287
Keywords:GPS, Attitude Determination, Flying Laptop, Microsatellite
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Hauschild, André
Deposited On:03 Jul 2019 14:55
Last Modified:06 Sep 2019 15:23

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