Strategies for semi-folding fractional factorial designs

P. C. Wang*, Carl Lee

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

8 Scopus citations

Abstract

Engineers utilize screening experiments to find significant main effects of factors for quality improvement. After the analysis of the data resulting from this type of experiment, further investigation into the significance of some two-factor interactions might be desirable. Repeating an experiment of the same size can be costly and time consuming. A follow-up experiment with half the number of runs from the initial experiment is a good alternative. In this article, we propose two strategies for selecting additional runs to investigate the significance of two-way interactions that are important to the experimenter. These strategies are based on the findings from the initial experiment. Two examples are presented to illustrate the application of these strategies.

Original languageEnglish
Pages (from-to)265-273
Number of pages9
JournalQuality and Reliability Engineering International
Volume22
Issue number3
DOIs
StatePublished - 04 2006
Externally publishedYes

Keywords

  • Defining relation
  • Fractional factorial
  • Semi-fold

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