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On-orbit servicing

Stoll, Enrico and Letschnik, Jürgen and Walter, Ulrich and Artigas, Jordi and Kremer, Phillip and Preusche, Carsten and Hirzinger, Gerd (2009) On-orbit servicing. IEEE Robotics & Automation Magazine, 16 (4), pp. 29-33. IEEE - Institute of Electrical and Electronics Engineers. ISSN 1070-9932.

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You have a flat tire. You will have to buy a new car!" While on earth, nobody would follow such advice; in space, there are few other options than to replace a malfunctioning spacecraft. There are no repair shops and gas stations in the earth orbit. Because of the lack of so-called on-orbit servicing (OOS) opportunities, some malfunctioning spacecraft continue operational work with reduced or hardly any performance. The only general modification, which can currently be undertaken to an arbitrary spacecraft in orbit, is a software update. For example, the bispectral infrared detection (BIRD) satellite [1] started in 2001 with a configuration of four high-precision reaction wheels. Losing one after the other and with only one functional remaining, a significant effort has been made to optimize the attitude-control software with regards to the new constraints. Thus, BIRD is still operational, but other hardware failures, e.g., the inability to deploy solar panels, cannot be compensated by modifying the onboard software. In case of TV-SAT 1 [2], solar panel problems (the fastening bolt for the solar array had accidentally not been removed before launch) prevented the use of the Ku-band transmit antenna and subsequently any TV broadcast service after launch. The satellite had to be moved into a graveyard orbit.

Item URL in elib:https://elib.dlr.de/69286/
Document Type:Article
Title:On-orbit servicing
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Stoll, Enricoestoll (at) MIT.EDUUNSPECIFIED
Letschnik, Jürgenjuergen.letschnik (at) lsespace.comUNSPECIFIED
Walter, UlrichTU-MünchenUNSPECIFIED
Artigas, JordiJordi.Artigas (at) dlr.deUNSPECIFIED
Kremer, PhillipPhilip.Kremer (at) dlr.deUNSPECIFIED
Preusche, CarstenCarsten.Preusche (at) dlr.deUNSPECIFIED
Hirzinger, GerdGerd.Hirzinger (at) dlr.deUNSPECIFIED
Date:December 2009
Journal or Publication Title:IEEE Robotics & Automation Magazine
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 29-33
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:Teleoperation, Telepresence, Haptics, Wave Variables, On Orbit Servicing, OOS, Artemis, Bird
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W SY - Technik für Raumfahrtsysteme
DLR - Research area:Space
DLR - Program:W SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):W - Leistungszentrum Robotik - Mechatronik und Telerobotik (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (until 2012) > Robotic Systems
Deposited By: Beinhofer, Gabriele
Deposited On:25 Mar 2011 13:29
Last Modified:06 Sep 2019 15:26

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