This slide presentation reviews the development of a rapid cost assessment models for evaluation of exploration missions through the application of complexity based cost indices. In Fall of 2004, NASA began developing 13 documents, known as "strategic roadmaps," intended to outline a strategy for space exploration over the next 30 years. The Third Strategic Roadmap, The Strategic Roadmap for Solar System Exploration, focused on strategy for robotic exploration of the Solar System. Development of the Strategic Roadmap for Solar System Exploration led to the investigation of a large variety of missions. However, the necessity of planning around scientific inquiry and budgetary constraints made it necessary for the roadmap development team to evaluate potential missions not only for scientific return but also cost. Performing detailed cost studies for each of the large number of missions was impractical given the time constraints involved and lack of detailed mission studies; so a method of rapid cost assessment was developed by us to allow preliminary analysis. It has been noted that there is a strong correlation between complexity and cost and schedule of planetary missions. While these correlations were made after missions had been built and flown (successfully or otherwise), it seemed likely that a similar approach could provide at least some relative cost ranking. Cost estimation relationships (CERs) have been developed based on subsystem design choices. These CERs required more detailed information than available, forcing the team to adopt a more high level approach. Costing by analogy has been developed for small satellites, however, planetary exploration missions provide such varying spacecraft requirements that there is a lack of adequately comparable missions that can be used for analogy.


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    Titel :

    Rapid Cost Assessment of Space Mission Concepts Through Application of Complexity-Based Cost Indices


    Beteiligte:
    Peterson, Craig E. (Autor:in) / Cutts, James (Autor:in) / Balint, Tibor (Autor:in) / Hall, James B. (Autor:in)

    Kongress:

    IEEE Aerospace Conference ; 2008 ; Big Sky, MT, United States


    Erscheinungsdatum :

    2008-02-07


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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