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Revisiting the Tradespace Exploration Paradigm: Structuring the Exploration Process

Author(s)
Ross, Adam Michael; McManus, Hugh L.; Rhodes, Donna H.; Hastings, Daniel E.
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Abstract
A number of case applications of tradespace exploration have further extended the types of analyses and knowledge insights that can be gained about tradeoffs between design choices and perceived utility and cost of alternatives. These extensions include application beyond its heritage aerospace domain to the transportation domain, comparing distinct concepts on a common tradespace, considering the impact of changing needs and contexts over time, evaluation of alternatives in a “light effort” manner. In parallel with these case applications, a formalization of the tradespace exploration process has emerged, using a question-driven approach to ensure the knowledge generated is practical and useful to decision makers. These questions are introduced and applied to three example space systems in order to illustrate insights gained in answering the questions. The insights include identifying “good” designs, the strengths and weakness of selected alternatives across a tradespace, limiting constraints and requirements that could allow for less expensive solutions. Additionally, advanced insights include understanding the sensitivities of designs to changes in contexts and needs, and consideration of the differential impact of uncertainty across a set of alternatives with potential opportunities for risk mitigation.
Date issued
2010-08
URI
http://hdl.handle.net/1721.1/81995
Department
Massachusetts Institute of Technology. Department of Aeronautics and Astronautics; Massachusetts Institute of Technology. Engineering Systems Division; MIT Sociotechnical Systems Research Center
Journal
AIAA SPACE 2010 Conference & Exposition
Publisher
American Institute of Aeronautics and Astronautics
Citation
Ross, Adam, Hugh McManus, Donna Rhodes, and Daniel Hastings. “Revisiting the Tradespace Exploration Paradigm: Structuring the Exploration Process.” In AIAA SPACE 2010 Conference & Exposition, 30 August - 2 September 2010, Anaheim, California, American Institute of Aeronautics and Astronautics, 2010.
Version: Author's final manuscript
Other identifiers
AIAA 2010-8690
ISBN
978-1-60086-966-2
ISSN
1946-8210

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