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Final Commissioning of the PRISMA GPS Navigation System

Ardaens, Jean-Sébastien and D'Amico, Simone and Montenbruck , Oliver (2011) Final Commissioning of the PRISMA GPS Navigation System. 22nd International Symposium on Spaceflight Dynamics, Sao Jose dos Campos, Brazil .

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The primary relative navigation system of the PRISMA technology demonstration mission is based on GPS. The PRISMA satellites have been launched in June 2010 and, since their separation in August, have been successfully conducting a multitude of autonomous formation flying and on-orbit servicing experiments. The onboard navigation system relies on GPS measurements to provide in real-time accurate absolute and relative navigation. The output of the GPS-based navigation system is used to feed the numerous on-board feedback controllers and the safety monitoring and collision avoidance functions. As a consequence the navigation system has to provide the utmost accuracy to the experimental payloads and, at the same time, be robust and reliable to support fault detection isolation and recovery tasks. The commissioning of the GPS navigation system is therefore a crucial milestone for the mission. It has to be ensured that the onboard navigation solution is always reliable even in the presence of hardware anomalies and that the navigation performance satisfies the mission requirements. The performance assessment is done using precise orbit products generated by a ground facility for GPS-based precise orbit determination which needs, in turn, to be also commissioned. The paper summarizes the commissioning activities performed to validate both precise orbit products and onboard navigation and presents key flight results to illustrate the overall system performance.

Item URL in elib:https://elib.dlr.de/74573/
Document Type:Conference or Workshop Item (Paper)
Title:Final Commissioning of the PRISMA GPS Navigation System
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ardaens, Jean-Sébastienjean-Sebastien.Ardaens (at) dlr.deUNSPECIFIED
D'Amico, Simonesimone.damico (at) dlr.deUNSPECIFIED
Montenbruck , Oliveroliver.montenbruck (at) dlr.deUNSPECIFIED
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Orbit determination – Real-time navigation – Single-frequency GPS – GRAPHIC – COTS - PRISMA
Event Title:22nd International Symposium on Spaceflight Dynamics
Event Location:Sao Jose dos Campos, Brazil
Event Type:international Conference
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignment
DLR - Program:no assignment
DLR - Research theme (Project):no assignment
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > GSOC-German Space Operations Center
Deposited By: Ardaens, Jean-Sebastien
Deposited On:30 Jan 2012 09:42
Last Modified:30 Jan 2012 09:42

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