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Using factorial design and multivariate analysis when experimenting in a continuous process
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences, Business Administration and Industrial Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.
2008 (English)In: Quality and Reliability Engineering International, ISSN 0748-8017, E-ISSN 1099-1638, Vol. 24, no 8, p. 983-995Article in journal (Refereed) Published
Abstract [en]

This article discusses the design and analysis of an experiment performed in a continuous process (CP). Three types of iron ore pellets are tested on two levels of a process variable in an experimental blast furnace process, using a full factorial design with replicates. A multivariate approach to the analysis of the experiment in the form of principal component analysis combined with analysis of variance is proposed. The analysis method also considers the split-plot-like structure of the experiment. The article exemplifies how a factorial design combined with multivariate analysis can be used to perform product development experiments in a CP. CPs also demand special considerations when planning, performing and analyzing experiments. The article highlights and discusses such issues and considerations, for example, the dynamic characteristic of CPs, a strategy to handle disturbances during experimentation and the need for process control during experimentation.

Place, publisher, year, edition, pages
2008. Vol. 24, no 8, p. 983-995
National Category
Reliability and Maintenance Probability Theory and Statistics
Research subject
Quality Technology and Management; Mathematical Statistics with special emphasis on Industrial Statistic
Identifiers
URN: urn:nbn:se:ltu:diva-4129DOI: 10.1002/qre.935Local ID: 20144e60-3eb4-11dd-ab50-000ea68e967bOAI: oai:DiVA.org:ltu-4129DiVA: diva2:976993
Note
Validerad; 2008; 20080620 (eri_van)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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