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TRAFST Vol.1 No.2 pp. 96-105

Paper:

Robustness-Preceded Multi-Criteria Design Optimization – Proposition of New Method Based on Combinational Use of Taguchi Method Concept and Nakazawa Method –

Toshihiro Hayashi*1 , Toshitake Tateno*2 , Kazuo Tatebayashi*3, Tomoyuki Tobita*4 , Kozo Nakahata*5 , and Mitsuhide Matsuda*6

*1 Hayashi Professional Engineer Office *2 Tokyo Metropolitan University *3 Fuji Xerox Co., Ltd. *4 Hitachi High-Technorogies Corporation *5 Hitachi, Ltd. *6 Panasonic Communications Co., Ltd.

Received:
20 July 2007
Accepted:
7 September 2007
Published:
October 15, 2007
Keywords:
design optimization, Taguchi method, Nakazawa method, experimental design, orthogonal array, design and development process
Abstract

This paper deals with a design optimization process with some experiments that are often executed in design and development phase. In order to avoid repetition of experiments as possible, Taguchi method has been proposed from a view point of robustness. And, Nakazawa method has been proposed from a view point of optimal balance among multi-required specifications. However, these methods have not been used together in practical engineering fields although both methods commonly use the orthogonal array in the experimental design. There are rare studies of combinational use to make the most of characteristic points of the both methods. In this paper, the characteristic points of these methods are examined and arranged first. Then, an efficient combinational use of these methods is proposed. A simple case study shows that the proposed method is useful for practical design and development processes.

Cite this article as:
Toshihiro Hayashi*1, Toshitake Tateno*2, Kazuo Tatebayashi*3, Tomoyuki Tobita*4, Kozo Nakahata*5, and Mitsuhide Matsuda*6, “Robustness-Preceded Multi-Criteria Design Optimization – Proposition of New Method Based on Combinational Use of Taguchi Method Concept and Nakazawa Method –,” , Vol.1, No.2, pp. 96-105, 2007.
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Last updated on Jun. 19, 2021