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Use of Margin to Absorb Variation in Design Specifications: An Analysis Using the Margin Value Method

Published online by Cambridge University Press:  26 May 2022

A. Brahma ,
D. C. Wynn  and
O. Isaksson
A. Brahma*
Affiliation:
Chalmers University of Technology, Sweden
D. C. Wynn
Affiliation:
The University of Auckland, New Zealand
O. Isaksson
Affiliation:
Chalmers University of Technology, Sweden
*
[email protected]

Abstract

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Predicting the impact of changes in a design can be challenging, especially for complex designs. Margins are often built into the designs which can absorb the knock-on effect of such changes, erroneously allocating which can however, lead to propagation. A method for localising and sizing margins in an incremental design context is the Margin Value Method. This paper adapts MVM in the context of uncertainty in input specifications. It discusses possible ways to allocate them in a design such that undesirable effects of margins are minimised while preventing change propagation.

Keywords

design marginrobust designengineering changedesign optimisation
Type
Article
Information
Proceedings of the Design Society , Volume 2: DESIGN2022 , May 2022 , pp. 323 - 332
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
The Author(s), 2022.

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