A Management Procedure for Design of Experiments

Article

Chan, L.K.; Gan, E.H.; Mak, T.K.   (1992, ASQC)   The University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2

Annual Quality Congress, Nashville TN    Vol. 46    No. 0
QICID: 9845    May 1992    pp. 317-324
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Article Abstract

The successful design of experiments (DOE) requires an appropriate management procedure and an effective technique. This paper describes the 7-Step Mdox management procedure and four useful DOE techniques.

The 7-Step MDox management procedure, which can be fitted into the Deming cycle, includes: (1) Identify the project and the DOE objectives; (2) Define the response quality characteristic to be improved and identify the controllable and hard-to-control factors which might affect the response; (3) Select the design technique; (4) Conduct the experiment; (5) Validate the experimental results through confirmation experiments; (6) Implement necessary process changes; and (7) Document the entire management procedure.

The four DOE techniques presented are: (1) Parameter Design (Taguchi, 1986), which uses inner array and outer array to give a clear representation between controllable and noise factors; (2) Transformation of the response quality characteristic (Box, 1988), which offers a more reliable analysis; (3) Dual response surface methodology (Vining and Myers, 1990); and (4) Regression approach (Chan and Mak, 1991). To illustrate these techniques, the authors provide an example of an electrical circuit design.

Keywords

Design of experiments (DOE),Design,Management,Total Quality Management (TQM),Taguchi method,Statistics


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