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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.

System architecture margins for the ilities

Brahma, Arindam (1); Wynn, David C. (2); Isaksson, Ola (1)

Type:
Papers
DS 145: Proceedings of the DESIGN2026 19th International Design Conference
Year:
2026
Editor:
Štorga, M.; Škec, S.; Martinec, T.; Marjanović, D.; Pavković, N.
Author:
Brahma, Arindam (1); Wynn, David C. (2); Isaksson, Ola (1)
Series:
DESIGN
Institution:
1: Department of Mechanical Engineering, Chalmers University of Technology, Sweden; 2: Department of Integrated Design and IRC for Smart Mobility and Logistics, King Fahd University of Petroleum and Minerals, Saudi Arabia
Page(s):
2761-2770
DOI number:
10.1017/pds.2026.10634
ISSN:
2732-527X (Online)
Abstract:
Engineers often treat margins as buffers or excesses which are added to parameters, appearing much later in the product development process. However, many key lifecycle properties e.g., reliability stem from early architectural decisions which either need margins for their enablement or create margins in the process. These buffers are rarely treated explicitly as margins. This paper argues that there is a clear relationship between architectural objectives and margins and explores four examples of ilities providing a new perspective for reasoning about ilities in early system design.
Keywords:
design margin, system architecture, product architecture, uncertainty, ilities
DESIGN2026 - The 19th International Design Conference
Conferences

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