A sensitivity analysis is given of the benefits and drawbacks associated with a proposed Earth to orbit vehicle architecture. The architecture represents a fleet of six vehicles (two existing, four proposed) that would be responsible for performing various missions as mandated by NASA and the U.S. Air Force. Each vehicle has a prescribed flight rate per year for a period of 31 years. By exposing this fleet of vehicles to a probabilistic environment where the fleet experiences failures, downtimes, setbacks, etc., the analysis involves determining the resiliency and costs associated with the fleet of specific vehicle/subsystem reliabilities. The resources required were actual observed data on the failures and downtimes associated with existing vehicles, data based on engineering judgement for proposed vehicles, and the development of a sensitivity analysis program.


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    Title :

    Space transportation architecture: Reliability sensitivities


    Contributors:

    Publication date :

    1992-01-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






    Optimization of a Space Transportation System Including Design Sensitivities

    Engler, V. / Coors, D. / Jacob, D. et al. | British Library Conference Proceedings | 1998