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A case for trading risk in complex conceptual design trade studies Público Deposited

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https://ir.library.oregonstate.edu/concern/articles/gx41mj433

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Abstract
  • Complex conceptual system design trade studies traditionally consider risk after a conceptual design has been created. Further, one person is often tasked with collecting risk information and managing it from each subsystem. This paper proposes a method to explicitly consider and trade risk on the same level as other important system-level variables during the creation of conceptual designs in trade studies. The proposed risk trading method advocates putting each subsystem engineer in control of risk for each subsystem. A risk vector is proposed that organizes many different risk metrics for communication between subsystems. A method of coupling risk models to dynamic subsystem models is presented. Several risk visualization techniques are discussed. A trade study example is presented based upon a simplified spacecraft model. Results from introducing the risk trading methodology into a simulated Collaborative Design Center are presented. The risk trading method offers an approach to more thoroughly consider risk during the creation of conceptual designs in trade studies.
  • Keywords: Complex system design, Risk, Collaborative Design Center risk trading, Trade study
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  • Van Bossuyt, D. L., Tumer, I. Y., & Wall, S. D. (2013). A case for trading risk in complex conceptual design trade studies. Research in Engineering Design, 24(3), 259-275. doi:10.1007/s00163-012-0142-0
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  • 24
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  • 3
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  • This research was carried out in part at JPL, Caltech, under contract with NASA.
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