Trade-off strategies in engineering design

Kevin N. Otto, Erik K. Antonsson*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

142 Citations (Scopus)


A formal method to allow designers to explicitly make trade-off decisions is presented. The methodology can be used when an engineer wishes to rate the design by the weakest aspect, or by cooperatively considering the overall performance, or a combination of these strategies. The design problem is formulated with preference rankings, similar to a utility theory or fuzzy sets approach. This approach separates the design trade-off strategy from the performance expressions. The details of the mathematical formulation are presented and discussed, along with two design examples: one from the preliminary design domain, and one from the parameter design domain.

Original languageEnglish
Pages (from-to)87-103
Number of pages17
Issue number2
Publication statusPublished - Jun 1991
MoE publication typeA1 Journal article-refereed


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