Autonomous Satellite Formation Flying for the PRISMA Technology Demonstration Mission
Gill, Eberhard and Montenbruck, Oliver and D'Amico, Simone and Persson, Staffan (2006) Autonomous Satellite Formation Flying for the PRISMA Technology Demonstration Mission. 16th AAS/AIAA Space Flight Mechanics Conference, 2006-01-22 - 2006-01-26, Tampa, Florida (USA).
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PRISMA, originating from an initiative of the Swedish National Space Board (SNSB) and the Swedish Space Corporation (SSC), is a precursor mission for critical technologies for formation flying and In-Orbit-Servicing. The PRISMA test bed comprises the fully maneuverable MAIN mini-satellite as well as the smaller TARGET subsatellite, both built by SSC. Within PRISMA, a GPS-based onboard navigation system offers precise absolute and relative orbit information in real-time as well as time synchronization. The Phoenix twelve channel single-frequency GPS receiver, selected for PRISMA, provides a code tracking accuracy of better than 0.5 m and a carrier-phase accuracy of better than 1 mm at 45 dB-Hz. The navigation system on MAIN will process in a reduced dynamic Kalman filter local GPS measurements and raw measurements from TARGET transmitted by an inter-satellite radio link. As a result, real-time position accuracies of 2 m for absolute and better than 0.1 m for relative navigation are expected. In addition, PRISMA will conduct the Spaceborne Autonomous Formation Flying Experiment (SAFE) with the objective to demonstrate a fully autonomous, robust and precise formation flying of spacecraft. To this end, a fuel-optimized guidance and control algorithm will be employed providing an accuracy of better than 25 m at typical distances of 100 to 2000 m, which is representative of future bi-static radar satellite formation flying missions. The guidance concept applies the eccentricity/inclination vector separation which avoids collision hazard from along-track position uncertainties through the proper separation of the two spacecraft in radial and cross-track direction.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Autonomous Satellite Formation Flying for the PRISMA Technology Demonstration Mission|
|Keywords:||PRISMA, Formation Flying, GPS|
|Event Title:||16th AAS/AIAA Space Flight Mechanics Conference|
|Event Location:||Tampa, Florida (USA)|
|Event Type:||international Conference|
|Event Dates:||2006-01-22 - 2006-01-26|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W SY - Technik für Raumfahrtsysteme|
|DLR - Research area:||Space|
|DLR - Program:||W SY - Technik für Raumfahrtsysteme|
|DLR - Research theme (Project):||W -- no assignement (old)|
|Institutes and Institutions:||Space Operations and Astronaut Training|
|Deposited By:||Dr.rer.nat.hab. Oliver Montenbruck|
|Deposited On:||22 Jan 2007|
|Last Modified:||27 Apr 2009 13:25|
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