Development of Priority-Based Robust Design

Among the engineering design methods currently studied in the engineering design community, researchers often identify robust design as one of the most important fields for the purpose of quality improvement. Although the notion of robust design is clearly important, the use of Taguchi's signal...

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Bibliographic Details
Published inQuality engineering Vol. 14; no. 3; pp. 355 - 363
Main Authors Kim, Young Jin, Cho, Byung Rae
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 25.03.2002
Subjects
Central composite design
Dual-response approach
Optimization
Priority
Process bias
Process variability
Response surface methodology
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Summary:Among the engineering design methods currently studied in the engineering design community, researchers often identify robust design as one of the most important fields for the purpose of quality improvement. Although the notion of robust design is clearly important, the use of Taguchi's signal-to-noise ratios and crossed arrays to capture variability has been a subject of controversy. As a natural alternative, a response surface approach to robust design has drawn much attention recently. This article first investigates the robust design models based on response surface approach and then proposes a priority-based robust design model to better reflect an engineer's point of view at the early product design stage. Discussions are made and numerical optimizations are performed for the purpose of comparative studies.
ISSN:0898-2112
1532-4222
DOI:10.1081/QEN-120001874