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http://dx.doi.org/10.5228/KSPP.2003.12.5.465

Determination of a Multiattribute Utility Function Based on the Pairwise Comparison and the Application to Injection Molding Design  

박종천 (금오공과대학교 기계공학부)
김경모 (금오공과대학교 신소재시스템공학부)
Publication Information
Transactions of Materials Processing / v.12, no.5, 2003 , pp. 465-472 More about this Journal
Abstract
Engineering design can be viewed as a decision making process, which involves the nonlinear tradeoffs task among the multiple conflicting attributes and considers the robustness of design. In order to obtain best engineering design, methodology for accurate assessment of his/her preference about the multiple attributes is required. Conventionally, intuitive procedures based on lottery questions are used to elicit the designer's preference structure: however, they can lead to inconsistent and inexact preference results due to the rank reversal problems derived from the designer's big cognitive burden. In this paper, alternatively, a design methodology based on multiattribute utility function through the pairwise comparison among alternatives is presented. The proposed procedure is applied to an actual injection mold design with the aid of the CAE simulation and the result is discussed.
Keywords
Multiattribute Utility(MAU) Function; Pairwise Comparison; Injection Molding; Weldline; Warpage; Complex Method; Robustness;
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