The Design of Open Engineering Systems Lab

University at Buffalo - The State University of New York

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Decision Trade-Offs in Complex Systems Design Using a Conceptual Robustness Approach

Research Area: Research Publication Year: 1999
Type of Publication: Technical Report Keywords: Robust design, Multidisciplinary design, Optimization, Game theory
Authors: Kalsi, Monu; Hacker, Kurt; Lewis, Kemper
Abstract:
In this paper, we introduce a technique to reduce the effects of uncertainty and assist decision trade-offs in the design of complex engineering systems involving multiple decision-makers. We focus on the uncertainty that is created when a disciplinary designer or design team must try to predict or model the behavior of other disciplinary subsystems. This paper focuses on modeling the interaction among these decision-makers and reducing the effect caused by lack of control of any one designer. The sequence in which these design decisions are made can have a large impact on the total system performance. We investigate different decision sequences to explore the trade-offs in sequential design processes. We use the concpets of robust design to reduce the effect of decisions made during the design of one subsystem on the performance of the rest of the system. To demonstrate the usefulness of this approach, we consider a case study involving the design of a passenger aircraft
Comments:
The Third World Congress of Structural and Multidisciplinary Optimization

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