Robust design principles for reducing variation in functional performance

Martin Ebro Christensen, Thomas J. Howard

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

This paper identifies, describes and classifies a comprehensive collection of variation reduction principles (VRP) that can be used to increase the robustness of a product and reduce its variation in functional performance. Performance variation has a negative effect on the reliability and perceived quality of a product and efforts should be made to minimise it. The design principles are identified by a systematic decomposition of the Taguchi Transfer Function in combination with the use of existing literature and the authors’ experience. The paper presents 15 principles and describes their advantages and disadvantages along with example cases. Subsequently, the principles are classified based on their applicability in the various development and production stages. The VRP are to be added to existing robust design methodologies, helping the designer to think beyond robust design tool and method application, towards forming product variation management strategies.
Original languageEnglish
JournalJournal of Engineering Design
Volume27
Issue number1-3
Pages (from-to)75-92
ISSN0954-4828
DOIs
Publication statusPublished - 2016

Keywords

  • Robust design
  • Design strategies
  • Quality management

Cite this

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Robust design principles for reducing variation in functional performance. / Christensen, Martin Ebro; Howard, Thomas J.

In: Journal of Engineering Design, Vol. 27, No. 1-3, 2016, p. 75-92.

Research output: Contribution to journalJournal articleResearchpeer-review

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AB - This paper identifies, describes and classifies a comprehensive collection of variation reduction principles (VRP) that can be used to increase the robustness of a product and reduce its variation in functional performance. Performance variation has a negative effect on the reliability and perceived quality of a product and efforts should be made to minimise it. The design principles are identified by a systematic decomposition of the Taguchi Transfer Function in combination with the use of existing literature and the authors’ experience. The paper presents 15 principles and describes their advantages and disadvantages along with example cases. Subsequently, the principles are classified based on their applicability in the various development and production stages. The VRP are to be added to existing robust design methodologies, helping the designer to think beyond robust design tool and method application, towards forming product variation management strategies.

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