Margin allocation and trade-off in complex systems design and optimization

Show simple item record Guenov, Marin D. Chen, Xin Molina-Cristobal, Arturo Riaz, Atif van Heerden, Albert S. J. 2018-05-01T08:48:16Z 2018-04-30T08:48:16Z 2018-05-01
dc.identifier.citation M.D. Guenov, X. Chen, A. Molina-Cristóbal, et al., Margin allocation and trade-off in complex systems design and optimization. AIAA Journal, Vol. 56, Issue 7, 2018, pp. 2887-2902 en_UK
dc.identifier.issn 0001-1452
dc.description.abstract Presented is an approach for interactive margin management. Existing methods enable a fixed set of allowable margin combinations to be identified, but these have limitations with regard to supporting interactive exploration of the effects of: 1) margins on other margins, 2) margins on performance and 3) margins on the probabilities of constraint satisfaction. To this purpose, the concept of a margin space is introduced. It is bi-directionally linked to the design space, to enable the designer to understand how assigning margins on certain parameters limits the allowable margins that can be assigned to other parameters. Also, a novel framework has been developed. It incorporates the margin space concept as well as enablers, including interactive visualization techniques, which can aide the designer to explore the margin and design spaces dynamically, as well as the effects of margins on the probability of constraint satisfaction and on performance. The framework was implemented into a prototype software tool, AirCADia, which was used for a qualitative evaluation by practicing designers. The evaluation, conducted as part of the EU TOICA project, demonstrated the usefulness of the approach.
dc.language.iso en en_UK
dc.publisher AIAA en_UK
dc.rights Attribution-NonCommercial 4.0 International
dc.title Margin allocation and trade-off in complex systems design and optimization en_UK
dc.type Article en_UK
dc.identifier.cris 19433556

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