Developing MCDM Approach Based on GRA and TOPSIS

Qi Bing Wang; An Hua Peng

doi:10.4028/www.scientific.net/AMM.34-35.1931

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 34-35Developing MCDM Approach Based on GRA and TOPSIS

Developing MCDM Approach Based on GRA and TOPSIS

Abstract:

Multiple criteria decision making(MCDM) is widely used in selection from a set of available alternatives with multiple criteria, approaches to which includes fuzzy comprehensive evaluation(FCE), grey relational analysis(GRA), and technique for order preference by similarity to ideal solution(TOPSIS), and so on. First analyzes the limitations of various methods: only considering the overall effect of attribute indicators in the method of FCE, only considering the shape similarity of data curve between comparative scheme and ideal solution in GRA and only considering position approximation in TOPSIS. Second proposes a new method of comprehensive evaluation which takes into account both shape similarity and position approximation. The validity of this method has been further proved by an example of suppliers selection.