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Comparison of the Performance of Microprocessors for Space-Based Navigation Applicatins

Gill, E. (2005) Comparison of the Performance of Microprocessors for Space-Based Navigation Applicatins. DLR-Interner Bericht. TN 05-02, 12 S.

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Abstract

On the background of increasing demands on the accuracy and capability of autonomous navigation systems, a proper selection of adequate and capable microprocessors for spaceborne navigation applications becomes more and more important. In the framework of the planned PRISMA formation flying mission, a comparison of the runtime performance of three microprocessors is performed. The microprocessors, involved in the tests, are the ARM7TDMI, the PowerPC823, and the LEON2. Based on a realistic test case, the absolute and relative run-time performance of the processors is measured and compared. In addition to the considered test case, estimates of the expected computation time are derived for the anticipated navigation tasks in the framework of the PRISMA mission. This comprises absolute and relative orbit prediction and determination as well as guidance and control algorithms for autonomous formation control.

Item URL in elib:https://elib.dlr.de/11476/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=2005,
Title:Comparison of the Performance of Microprocessors for Space-Based Navigation Applicatins
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gill, E.DLR/GSOCUNSPECIFIED
Date:2005
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:12
Status:Published
Keywords:--
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Hauptabteilung Raumflugbetrieb und Astronautenausbildung
Deposited By: Klaas, Sabine
Deposited On:16 Sep 2005
Last Modified:07 Mar 2013 10:26

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