Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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A Study on Sequential Design of Experiments Using Non-Central Composite Designs

비중심합성계획을 이용한 순차적 실험방법에 관한 연구

  • Shin, Byung-Cheol (Department of Industrial and Systems Engineering, Gyeongsang National University) ;
  • Byun, Jai-Hyun (Department of Industrial and Systems Engineering, Gyeongsang National University) ;
  • Yun, Tae Hong (Production Operating Division, Vietnam)
  • 신병철 (경상대학교 산업시스템공학부) ;
  • 변재현 (경상대학교 산업시스템공학부) ;
  • 윤태홍 (CS 베어링 베트남 법인)
  • Received : 2021.01.03
  • Accepted : 2021.03.05
  • Published : 2021.03.31
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Abstract

Purpose: A noncentral composite design method is to be developed to explore farther region for the first factorial design. A general guideline for sequential experimentation is provided. Methods: (1) A non-overlapping noncentral composite design (NNCD) is developed, in which the second factorial design shares one design point that indicates the best response value in the first factorial design. (2) Four composite designs are compared in terms of the four design evaluation criteria, which are D-, A, G, and I-optimality. (3) A follow-up design strategy is suggested based on the interaction effect, direction of improvement, number of factors. Results: (1) NNCD and model building method are presented, which is useful for exploring farther region from first factorial design block. (2) The performances of the four composite designs are compared. (3) A follow-up design strategy is suggested. Conclusion: (1) NNCD will be useful to explore farther region for the first factorial design. (2) A follow-up design strategy can be beneficial to the experimental practitioners for product and process design and improvement.

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References

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