Abstract
Recently, considerable attention has been devoted to application of multi-attribute decision-making (MADM) method in materials selection. Normalization can be considered as a foundation for rational MADM methods, which should deal with target-based criteria in addition to cost and benefit criteria. Although a good number of applications have been reported for point target criteria in MADM problems, in selection problems related to engineering design, it might be better to let the material and design criteria vary over a range in order to increase flexibility in subsequent design stages. The mentioned point supports a readily adaptable design in changing the customer requirements, which is also significant in offering a robust design. In this research, performance of three promising target-based normalization methods was investigated using simulation experiments to examine the effect of simulation parameters. The effect of parameters and normalization methods was examined using analysis of variance (ANOVA). Moreover, the best structure formula was identified to propose an inclusive range target-based normalization method. The suggested normalization method was used to enhance the capability of Weighted Aggregated Sum Product Assessment (WASPAS) method and applied to a real-word problem dealing with benefit-, cost-, and point target-based criteria as well as the range criterion.
Highlights
Changing the material set in an already established technology is a rare event and can be considered as a revolution
The first subsection describes a preliminary method for addressing the following question “What are the limitations of current point target-based normalization methods and which approach is the best one?” The second subsection proposes a range target-based normalization method, and the last subsection describes how the method can enhance the capability of Weighted Aggregated Sum Product Assessment (WASPAS) method
Different multi-attribute decision-making (MADM) approaches are the results of diverse aggregation, weighing and normalization methods
Summary
Changing the material set in an already established technology is a rare event and can be considered as a revolution. There has been an increasing interest in the subject of multi-attribute decision-making (MADM) methods applied to material selection and design This study first presents a brief overview of the recent history of MADM addressing material selection, normalization methods, and applications of WASPAS approach, describes the observed gap in previous studies, and specifies the objectives of the current study. The final section concludes with inferences provided by the undertaken research
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