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The Virtual Formation Method for Precise Autonomous Absolute Orbit Control

De Florio, Sergio and D'Amico, Simone and Radice, G. (2014) The Virtual Formation Method for Precise Autonomous Absolute Orbit Control. Journal of Guidance, Control, and Dynamics, 37 (2), pp. 425-438. American Institute of Aeronautics and Astronautics (AIAA). DOI: 10.2514/1.61575 ISSN 0731-5090

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Abstract

This paper analyzes the problem of precise autonomous orbit control of a spacecraft in a low Earth orbit. Autonomous onboard orbit control means that the spacecraft maintains its ground track close to a reference trajectory, without operator intervention. The problem is formulated as a specific case of two spacecraft in formation in which one, the reference, is virtual and affected only by the Earth’s gravitational field. A new parametrization, the relative Earth-fixed elements, is introduced to describe the relative motion of the two spacecraft’s subsatellite points on the Earth surface. These relative elements enable the translation of absolute-into-relative orbit-control requirements and the straightforward use of modern control-theory techniques for orbit control. As a demonstration, linear and quadratic optimum regulators are designed and compared, by means of numerical simulations, with an analytical autonomous orbit-control algorithm that has been validated in flight. The differences of the numerical and analytical control methods are identified and discussed.

Item URL in elib:https://elib.dlr.de/94668/
Document Type:Article
Title:The Virtual Formation Method for Precise Autonomous Absolute Orbit Control
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
De Florio, SergioDLR\GSOCUNSPECIFIED
D'Amico, Simonesimone.damico (at) dlr.deUNSPECIFIED
Radice, G.UNSPECIFIEDUNSPECIFIED
Date:2014
Journal or Publication Title:Journal of Guidance, Control, and Dynamics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:37
DOI :10.2514/1.61575
Page Range:pp. 425-438
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
ISSN:0731-5090
Status:Published
Keywords:autonomous onboard orbit control, virtual formation, relative motion
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Weigel, Martin
Deposited On:16 Jan 2015 08:54
Last Modified:08 Mar 2018 18:44

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