Autonomous Formation Flying for the PRISMA Mission
Gill, Eberhard and D'Amico, Simone and Montenbruck, Oliver (2007) Autonomous Formation Flying for the PRISMA Mission. Journal of Spacecraft and Rockets, 44 (3), pp. 671-681. DOI: 10.2514/1.23015.
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PRISMA is a technology demonstration mission for satellite formation ﬂying and in-orbit servicing. The space segment comprises the fully maneuverable Main minisatellite and the smaller Target satellite in a low Earth orbit at 700-km altitude. A key mission objective is to demonstrate onboard, fully autonomous, robust, safe, and precise formation ﬂying of spacecraft. This is accomplished by spaceborne global positioning system navigation, guidance, and control functionalities for the maintenance of the relative motion between the two spacecraft. An innovative estimation approach employs a common Kalman ﬁlter for the absolute states of Main and Target, which accounts for the interdependency of absolute and relative navigation without the need for an explicit relative state. As a result, the onboard navigation system provides absolute and relative orbit information in real time with a position accuracy of 2 and 0.1 m, respectively. The formation control achieves accuracies of a few tenths of meters with minimum usage of thrusters. The guidance and control concept is detailed with emphasis on a relative eccentricity and inclination vector separation strategy. The paper derives estimates of the expected relative orbit control performances based upon realworld simulations using typical global positioning system receiver and propulsion system characteristics.
|Title:||Autonomous Formation Flying for the PRISMA Mission|
|Journal or Publication Title:||Journal of Spacecraft and Rockets|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 671-681|
|Keywords:||Formation Flying, GPS, PRISMA|
|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:||25 Jun 2007|
|Last Modified:||27 Apr 2009 13:51|
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