Taguchi's Fixed-Element Arrays are Fractional Factorials

Article

Kacker, Raghu; Lagergren, Eric; Filliben, James   (1991, ASQC)   National Institute of Standards and Technology

Journal of Quality Technology    Vol. 23    No. 2
QICID: 11322    April 1991    pp. 107-116
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Article Abstract

Taguchi developed his catalog of orthogonal arrays from mathematical procedures published in well-known English language journals. These arrays evolved as extensions of factorial plans and latin squares. This paper illustrates the fractional factorial nature of Taguchi's two-, three-, four-, and five-element orthogonal arrays. Similarly Taguchi's mixed-element orthogonal arrays define fractionated multi-level factorial plans. Thus Taguchi's orthogonal arrays are an element in the continuum of the development and use of statistically planned experiments.

Keywords

Design of experiments (DOE),Orthogonal array (OA),Fractional factorial design,Taguchi method


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