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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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1

A risk-informed decision making framework accounting for early-phase conceptual design of complex systems

Van Bossuyt, Douglas L. 26 April 2012 (has links)
A gap exists in the methods used in industry and available in academia that prevents customers and engineers from having a voice when considering engineering risk appetite in the dynamic shaping of early-phase conceptual design trade study outcomes. Current methods used in Collaborative Design Centers either collect risk information after a conceptual design has been created, treat risk as an afterthought during the trade study process, or do not consider risk at all during the creation of conceptual designs. This dissertation proposes a risk-informed decision making framework that offers a new way to account for risk and make decisions based upon risk information within conceptual complex system design trade studies. A meaningful integration of the consideration of risk in trade studies is achieved in this framework thus elevating risk to the same level as other important system-level design parameters. Trade-offs based upon risk appetites of individuals are explicitly allowed under the framework, enabled by an engineering-specific psychometric risk survey that provides aspirational information to use in utility functions. This dissertation provides a novel framework and supporting methodologies for risk-informed design decisions and trades to be made that are based upon engineering risk appetites in conceptual design trade studies. / Graduation date: 2012
Trade Study
Complex System Design
Risk
Collaborative Design Center
Risk Trading
Risk-Based Design
Utility Theory
Risk Appetite
E-DOSPERT
Decision Support
Psychometric Risk Survey
Risk-Informed Decision Making
Product Design Center
Conceptual Design
Systems engineering -- Risk management
Systems engineering -- Decision making
Engineering design -- Risk management
Engineering design -- Decision making
System design -- Risk management
System design -- Decision making
Product design -- Risk management
Product design -- Decision making

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