A mathematical model was established to solve the coupled relationship among multilayers of design parameters based on network analysis of scheme parameters. The model considered the dependence and feedback of clustering parameters. DEMATEL method was used to calculate the coupling degree and causality of the clustering parameters in the model. The problem of parameters’ weights distribution was solved by multiplying the normalized correlation matrix and the corresponding block matrix of design parameters separately. Then PROMETHEE was used to assign different preference functions to the assessment index. Dual-threshold was set to get preference information. So that the problem of conversing from specialists’ language evaluation to values was solved. The optimal scheme design case was found out by calculating the alternatives’ outflow, inflow and net flow. An example of a CNC machine tool was validated using the proposed method.
WU Chen-rui, ZHANG Shu-you, LIU Xiao-jian. Product scheme design evaluation based on coupling network analysis of cluster parameters. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2015, 49(8): 1495-1502.
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