A constraint-based approach to feasibility assessment in preliminary design

Authors:
Ashwin Gurnani;Scott Ferguson;Kemper Lewis;Joseph Donndelinger
Affiliations:
Design of Open Engineering Systems Laboratory, University at Buffalo–SUNY, Buffalo, New York, USA;Design of Open Engineering Systems Laboratory, University at Buffalo–SUNY, Buffalo, New York, USA;Design of Open Engineering Systems Laboratory, University at Buffalo–SUNY, Buffalo, New York, USA;Vehicle Development Research Lab, General Motors Research & Development Center, Warren, Michigan, USA
Venue:
Artificial Intelligence for Engineering Design, Analysis and Manufacturing
Year:
2006

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Abstract

In this paper, we present the development and application of a technical feasibility model used in preliminary design to determine whether a set of desired product specifications obtained from marketing is feasible in the engineering domain. This model is developed by integrating the capabilities of a multiobjective design problem, a multicriteria design optimization tool, a Pareto frontier gap analyzer, metamodeling methods, and use of the Pareto frontier as a constraint for feasibility assessment. Although the tools are independent of the domain, their application is illustrated using two examples: a simple three-objective mathematical problem and a five-objective passenger vehicle design problem. The feasibility of the desired product specifications is determined with respect to the problem's Pareto frontier, which is considered to be the necessary constraint to satisfy.