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Title: Analysis in material selection: influence of normalization tools on COPRAS-G
Authors: Yazdani, Morteza
Jahan, Ali
Zavadskas, Edmundas Kazimieras
Keywords: COPRAS-G
Interval data
Materials selection
Normalization tools
Issue Date: 2017
Publisher: Academy of Economic Studies
Citation: Yazdani M.,Jahan A., Zavadskas E.K. 2017. Analysis in material selection: influence of normalization tools on COPRAS-G. Economic Computation and Economic Cybernetics Studies and Research, Issue 1/2017, Vol. 51:59-74
Series/Report no.: 51;1
Abstract: Multi criteria decision making (MCDM) methods algorithms are influenced by many parameters and variables as orientation of attributes, aggregation attitude, weights and normalization tools. Various MCDM methods find solution for decision problems using different normalization methods. Normalization process has an important role in decision process and can modify the ranking and final decision. Due to uncertainty associated with data in decision making about materials and design, COPRAS method with interval numbers (COPRAS-G) was recognized as a promising approach in this regard. This paper intends to apply COPRAS-G method in several specific material evaluation studies. Normalization tools are positioned in COPRAS method to check the effect of each tool. Two examples of material and design selection projects are recognized suitable for this study. The results show depending on the number of criteria and number of alternatives material, ranking can be changed when a different normalization tools are considered. This help designers and engineers to achieve a compromise on design decision making process, especially when the material properties and design performance criteria are affected from stochastic nature of design and manufacturing parameters.
ISSN: 0424-267X
Appears in Collections:Moksliniai straipsniai / Research articles

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