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In addition to research papers, the Design Society is developing several valuable resources for those interested in the study of design. These include a repository of PhD theses, a library of case studies and transcripts of design activities, and an archive of our newsletters. Please note that these resources are accessible exclusively to Design Society members.

Pugh Controlled Convergence and Social Choice Theory

Nicholson, John Morgan; Collopy, Paul

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Type:
Papers
DS 94: Proceedings of the Design Society: 22nd International Conference on Engineering Design (ICED19)
Year:
2019
Editor:
Wartzack, Sandro; Schleich, Benjamin; Gon
Author:
Nicholson, John Morgan; Collopy, Paul
Series:
ICED
Institution:
The University of Alabama in Huntsville
Section:
Design management
DOI number:
https://doi.org/10.1017/dsi.2019.130
ISSN:
2220-4342
Abstract:
The Pugh Method of Controlled Convergence is evaluated based on social choice theory, both from an axiomatic basis, and by examining all possible cases of attribute ranks for a range of numbers of alternatives and numbers of attributes. The evaluation shows that, for a typical Pugh application, concept selection varies with the arbitrary choice of datum or is simply incorrect in about one-third of the cases. While there are merits to the iteration steps and creation of new alternatives within the Pugh method, a simpler and more expressive concept ranking procedure can give far superior results.
Keywords:
Collaborative design, Design theory, Design methods, Systems Engineering (SE)
22nd International Conference on Engineering Design (ICED19)
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