One of NASA's primary concerns is the improvement of spacecraft performance over time. As a first step in defining generic approaches for improving spacecraft reliability and longevity, comprehensive data on spacecraft anomalies, failures, and performance degradation as a function of time were collected, analyzed, and documented. Analytical techniques included categorization of anomalous incidents, engineering analyses of particular classes of anomalies, and mission effectiveness assessments versus time. Representative results: five classes of anomalies account for 50 percent of all in-flight problems; half of all spacecraft continue to report significant RFI/EMI problems; and missions are generally much more than 50 percent effective far in excess of their design lives.


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    Titel :

    Spacecraft anomalies and lifetimes


    Weitere Titelangaben:

    Abweichungen bei Raumfahrzeugen und Lebensdauern


    Beteiligte:


    Erscheinungsdatum :

    1984


    Format / Umfang :

    6 Seiten, 4 Bilder, 2 Tabellen, 6 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Analysis of Spacecraft on-Orbit Anomalies and Lifetimes

    C. Bloomquist / W. Graham | NTIS | 1983


    Analysis of spacecraft on-orbit anomalies and lifetimes

    Bloomquist, C. / Graham, W. | NTRS | 1983




    Analysis of spacecraft anomalies

    Bloomquist, C.E. / Graham, W.C. | Tema Archiv | 1976