AffiliationJet Propulsion Laboratory
European Space Agency
KeywordsStandard spacecraft interfaces
Standard instrument interfaces
Spacecraft onboard interfaces
Spacecraft communications protocols
Spacecraft communications standards
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RightsCopyright © International Foundation for Telemetering
Collection InformationProceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
AbstractThe Consultative Committee for Space Data Systems (CCSDS), an international organization of national space agencies, is branching out to provide new standards to enhanced reuse of onboard spacecraft equipment and software. These Spacecraft Onboard Interface (SOIF) standards will be based on the well-known Internet protocols. This paper will provide a description of the SOIF work by describing three orthogonal views: the Services View that describes data communications services, the Interoperability view shows how to exchange data and messages between different spacecraft elements, and the Protocol view, that describes the SOIF protocols and services. This paper will give the reader an excellent introduction to the work of the international SOIF team.
SponsorsInternational Foundation for Telemetering
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Development of Software Toolsuite for Rapid Generation of Spacecraft Requirements from Mission Constraints for Spacecraft Proposal DevelopmentFurfaro, Roberto; Sahr, Eric; Furfaro, Roberto; Head, Larry; Lepore, Robert (The University of Arizona., 2017)The development, testing, and results of a software suite for automated development of spacecraft requirements is discussed. This software suite will enable mission scientists and engineers to rapidly develop spacecraft requirements from a previously-developed set of mission requirements. The software, written in MATLAB, is controlled by a Master Controller script, whose purpose is to accept inputs from the user and call subfunctions responsible for designing the various spacecraft subsystem requirements. The software was tested through the use of a series of arbitrarily-generated mission requirements, with the test results being examined for potential feasibility and reasonableness. Case studies are examined which show the efficacy of the software suite to accurately generate spacecraft requirements. The first case study examines a set of software-developed spacecraft requirements intended to meet the mission requirements of the Mars Reconnaissance Orbiter. The second case study examines a set of infeasible mission requirements to the planet Uranus, in an effort to demonstrate that the software will generate realistic, but infeasible, spacecraft requirements when the mission requirements are themselves infeasible. Both case studies generate reasonable spacecraft requirements as expected, with the direct comparison between the Mars spacecraft resulting in very similar preliminary spacecraft designs. This software suite will enable spacecraft scientists and engineers to quickly assess the feasibility of mission concepts and proposal designs through rapid development of spacecraft requirements.
Draft Genome Sequences of and Strains Isolated from Spacecraft-Associated SurfacesSeuylemezian, Arman; Vaishampayan, Parag; Cooper, Kerry; Venkateswaran, Kasthuri; Univ Arizona, Coll Agr & Life Sci, Sch Anim & Comparat Biomed Sci (AMER SOC MICROBIOLOGY, 2018-02-08)We report here the draft genome sequences of four strains isolated from spacecraft-associated surfaces exhibiting increased resistance to stressors such as UV radiation and exposure to H2O2 The draft genomes of strains 1P01SCT, FO-92T, 50v1, and 2P01AA had sizes of 5,500,894 bp, 4,699,376 bp, 3,174,402 bp, and 4,328,804 bp, respectively.
STANDARD SPACECRAFT INTERFACES AND IP NETWORK ARCHITECTURES: PROTOTYPING ACTIVITIES AT THE GSFCSchnurr, Richard; Marquart, Jane; Lin, Michael; National Aeronautics and Space Administration (International Foundation for Telemetering, 2003-10)Advancements in flight semiconductor technology have opened the door for IP-based networking in spacecraft architectures. The GSFC believes the same significant cost savings gained using MILSTD- 1553/1773 as a standard low rate interface for spacecraft busses can be realized for highspeed network interfaces. To that end, GSFC is developing hardware and software to support a seamless, space mission IP network based on Ethernet and MIL-STD-1553. The Ethernet network shall connect all flight computers and communications systems using interface standards defined by the CCSDS Standard Onboard InterFace (SOIF) Panel. This paper shall discuss the prototyping effort underway at GSFC and expected results.