Extensive maintainability (M) and reliability (R) studies of a number of manned spacecraft missions indicate that the Environmental Control/Life Support System (EC/LSS) generally requires more scheduled and unscheduled maintenance than any other subsystem. This paper summarizes the EC/LSS M and R analyses performed on some of these studies. The expected redundancy and spares required to achieve a desired reliability is discussed. The requirements for scheduled and unscheduled maintenance are evaluated in terms of expected spares usage, maintenance time, and potential problem areas.


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    Title :

    Maintainability and Reliability of Environmental Control/Life Support Systems


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    National Aeronautic and Space Engineering and Manufacturing Meeting ; 1968



    Publication date :

    1968-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English