Robust Concept Exploration of Complex Systems

(Sponsored by National Science Foundation Faculty Early Career Development Award): This NSF Career Award provides support for research on developing a design system, called the Concept Exploration System, CES, for configuring complex systems at the early stages of design. The foundation of this research is the development of the Robust Concept Exploration Method (RCEM), which is an integrated design process that allows for decision making with quality considerations. The RCEM can be applied to exploring design concepts and determining product specifications that are comprehensive, incorporating high-fidelity design analyses across disciplines; robust, insensitive to design adjustments; flexible, allowed to vary within a range, and modifiable, readily adapted in response to large changes in design requirements. Educational focal points are to a) orchestrate learning from a systems perspective in the undergraduate design education, b) introduce quality engineering concepts and statistical methods in the graduate design curricula, and c) encourage undergraduate student involvement with the research programs. The career award has defined the core areas of research in IDEAL, i.e., "response surface modeling" (metamodeling), "robust design", and "multiobjective optimization". The research on "robust design" has been extended to the development of generic probabilistic approach to engineering design under uncertainty. The following research projects have been or are being conducted:

Comparative Studies of Metamodeling Techniques
Efficient Methods for Uncertainty Analysis in Multidisciplinary Design
An Interactive Bi-Objective Robust Design Procedure
Evaluation of Design Feasibility under Uncertainty
The RCEM with Enhanced Approximation Techniques
A Generic Robust Design Model
Probabilistic-Based Design Model for Developing a Range of Specifications
RCEM for Preliminary Engine Design

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Last modified: July 14, 2000