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Nonlinear Quality Function Deployment: an experimental analysis
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. (Product Development Research Lab)ORCID iD: 0000-0002-5076-3300
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. (Product Development Research Lab)ORCID iD: 0000-0001-5114-4811
2017 (English)Conference paper (Refereed)
Abstract [en]

Quality Function Deployment (QFD) is a common model to frontload engineering design activities with, linking the characteristics of a product vs. the voice of the customer using linear relationships. This approximation is often claimed to be misleading when dealing with the design of complex engineering systems. The paper presents the results of experimental activities aimed at verifying usability and effectiveness of nonlinear functions as extension of the QFD logic. A total of 40 experiments was conducted in a given design episode, involving 139 participants, to analyse the trade-off between the benefit of introducing nonlinearity vs. effort and cost triggered by increased complexity in the modelling. The results show that nonlinear functions, while improving the granularity of the QFD mapping, keeps the method simple enough to work as ‘boundary object’ in cross-functional design teams, irrespectively from the experience of design team members. The experiments also highlight how users’ cognitive attention in the task is dependent from the format by which nonlinear merit functions are presented.

Place, publisher, year, edition, pages
The Design Society, 2017.
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-14142OAI: oai:DiVA.org:bth-14142DiVA: diva2:1092211
Conference
ICED17 21st International Conference on Engineering Design, Vancouver
Projects
Model Driven Development and Decision Support
Funder
Knowledge Foundation
Available from: 2017-05-02 Created: 2017-05-02 Last updated: 2017-05-02Bibliographically approved

Open Access in DiVA

The full text will be freely available from 2017-10-02 09:11
Available from 2017-10-02 09:11

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Bertoni, MarcoBertoni, Alessandro
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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
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Language
  • de-DE
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