An application of experimental design for process optimisation

Hefin Rowlands*, Jiju Antony, Graeme Knowles

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

39 Citations (Scopus)


Dr Taguchi is a Japanese engineer and an international quality consultant who has made breakthrough improvements in product and process quality through the use of statistical design of experiments (SDOE). The Taguchi method became popular in the West in the 1980s as a means to design robust products and processes. Although many companies and industries have used the method with success, the real benefits of the approach were not realised and fully understood in many cases. This lack of success could be attributed to a number of factors, but mainly because the experiments were treated in isolation and not integrated into a continuous improvement strategy. This paper briefly presents the results of the application of the Taguchi methodology in the UK industry. The paper also illustrates the application of the Taguchi method for optimising the production process of retaining a metal ring in a plastic body in a braking system.

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalThe TQM Magazine
Issue number2
Publication statusPublished - 2000
Externally publishedYes


  • Design of experiments
  • Optimization
  • Taguchi methods
  • United Kingdom


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