UNDERSTANDING THE RELATIONSHIP BETWEEN DESIGN MARGINS AND TRADE-OFFS

DS 84: Proceedings of the DESIGN 2016 14th International Design Conference

Year: 2016
Editor: Marjanovic Dorian, Storga Mario, Pavkovic Neven, Bojcetic Nenad, Skec Stanko
Author: Lebjioui, S.; Eckert, C. M.; Earl, C.
Series: DESIGN
Section: DESIGN ORGANISATION AND MANAGEMENT
Page(s): 1515-1522

Abstract

To achieve an objective designers often need to make trade-offs between multiple parameters. In incremental design or during the design process an additional objective is often to minimise the changes they need to make to meet the objective. This is in particular an issue for systems with product platforms, over individual components are over-designed. This paper argues that designers can think about this problem in terms of the margins on the objective parameters as well as the parameters that are traded-off. This is illustrated with the case study of an engineering cooling system.

Keywords: design margins, product platform, engineering change, case study

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