From a study of over 300 spacecraft for which approximately 2500 malfunctions were reported, it is concluded that a decreasing hazard exists for overall spacecraft malfunctions and particularly for those due to design and environmental failures (which comprise approximately one-half of all reports). Malfunctions due to parts and quality problems show a closer adherence to the constant hazard model. Definitions required to support this study are presented, followed by an overall description of the findings, and then specific comments on various causes of spacecraft failures. The extreme value distribution is investigated as a possible model for the time relationship of some types of spacecraft failures.


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    Title :

    Reliability assessment of spacecraft electronics


    Additional title:

    Zuverlaessigkeitsabschaetzung von Raumfahrt-Elektronik


    Contributors:
    Hecht, H. (author) / Florentino, E. (author)


    Publication date :

    1987


    Size :

    6 Seiten, 8 Bilder, 8 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English







    Operational Reliability Assessment of the Geos a Spacecraft

    C. E. Bloomquist / W. C. Graham / J. A. Kolkin et al. | NTIS | 1965


    Operational reliability assessment of the GEOS A spacecraft

    Bloomquist, C. E. / Graham, W. C. / Kolkin, J. A. et al. | NTRS | 1965