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A preference­based design metric in dynamic robust design  

김경모 (금오공과대학교 신소재시스템공학부(산업시스템전공))
Publication Information
Journal of Korean Society for Quality Management / v.31, no.4, 2003 , pp. 239-246 More about this Journal
Abstract
Dynamic robust design has been regarded as the most powerful design methodology for improving product quality, Dynamic SN ratio adopted in dynamic robust design combines two major quality attributes, the variability around the linear function and the slope of the linear function, into a single design metric. The principal shortcoming associated with the dynamic SN ratio is that the metric is independent of designer's preferences for the quality attributes due to priori sets of attribute tradeoff values inherent in it. Therefore, a more rigorous preference­based design metric to accurately capture designer's intent and preference is needed. A new design metric that can be used in dynamic robust design is proposed. The effectiveness of the proposed design metric is examined with the aid of a demonstrative case study and the results are discussed.
Keywords
Robust Design; Dynamic System; Design Metric; Value Function;
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