ENBIS-11 in Coimbra

4 – 8 September 2011 Abstract submission: 1 January – 25 June 2011

Design of Experiments in Practice

6 September 2011, 10:45 – 11:15

Abstract

Submitted by
Zulema Lopes Pereira
Authors
Zulema Lopes Pereira
Affiliation
UNIDEMI-Departamento de Engenharia Mecânica e Industrial, Faculdade de Ciências e Tecnologia-Universidade Nova de Lisboa, 2829-516, Caparica, Portugal
Abstract
Design of Experiments (DoE) provides an approach to efficiently improve the understanding of the relationships between process parameters and the performance characteristics of the final product. The main benefits from DoE application are cost reduction and quality improvement namely through the increase of product robustness. However, the effective application of DoE in industry has not been significant even in big companies. In fact, industrial sectors usually use primitive strategies for experimentation, as the widely spread One-Factor-at-a-Time approach. On the other hand, the results are not as good as expected in several situations where DoE has been employed, probably due to incorrect procedures during application.
This presentation highlights the main barriers to DoE usage as well as the common mistakes that might occur during implementation. Two industrial case studies illustrate the benefits of correctly applying this powerful approach for product and process improvement.




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