Product design optimization method considering the integrated satisfaction level

Masataka Yoshimura, Masaki Satou, Tomoyuki Miyashita, Hiroshi Yamakawa

研究成果: Conference contribution

抄録

We propose a product design optimization method that maximizes the integrated satisfaction level for evaluative factors. Product designs include many evaluative factors that have complex interrelationships. To cope with such circumstances, we construct strategies and a practical method to obtain optimum design solutions. First, the evaluative items for the product are listed and each item is decomposed into evaluative factors. Next, to express designers' or potential customers' levels of satisfaction for the characteristic values of each evaluative factor, we define satisfaction functions that incorporate the relationship between characteristic values and satisfaction levels. Weighting coefficients for the evaluative factors are then obtained by the pair comparison method. Finally, an integrated satisfaction level is formulated by summing the characteristic values with their weighting coefficients over the entire set of evaluative factors. The integrated satisfaction level of the objective function is maximized, and optimum design solutions with maximum satisfaction levels are then obtained. If necessary, these solutions can be modified and improved by re-examining and adjusting the satisfaction functions and weighting coefficients. Furthermore, the proposed method can be used to find schemes that improve the integrated satisfaction level. The utility of the proposed method is demonstrated using a passenger train coach design.

本文言語English
ホスト出版物のタイトルProceedings of the IASTED International Conference on Engineering and Applied Science, EAS 2012
ページ303-310
ページ数8
DOI
出版ステータスPublished - 2012
イベントIASTED International Conference on Engineering and Applied Science, EAS 2012 - Colombo, Sri Lanka
継続期間: 2012 12月 272012 12月 29

出版物シリーズ

名前Proceedings of the IASTED International Conference on Engineering and Applied Science, EAS 2012

Conference

ConferenceIASTED International Conference on Engineering and Applied Science, EAS 2012
国/地域Sri Lanka
CityColombo
Period12/12/2712/12/29

ASJC Scopus subject areas

  • 工学(その他)

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