The Priority Ranking of Quality Improvement Project Based on Improved TOPSIS and RSR Method

Abstract

Abstract:

Aiming at the limitation of the RPN(risk priority number) of the failure mode & effect analysis in the quality improvement activities, a new ranking method is proposed. Firstly, by fuzzy set theory and entropy weight method, fuzzy value and subjective and objective weights of decision factors are computed. Secondly, using the improved TOPSIS method and RSR(method) for the prioritization and classification. Then, the key terms of FMEA including improvement theme, degree of difficulty, the occurrence and potential for improvement are put forward and defined, with the new method verified by enterprise examples. Finally, an enterprise example verifies the availability and stability of the new ranking method.

Key words: quality improvement, priority ranking, failure mode and effect analysis(FMEA), TOPSIS(technique for order preference by similarity to an ideal solution), RSR(ranksum ratio)

ZHU Yujie，LI Yan. The Priority Ranking of Quality Improvement Project Based on Improved TOPSIS and RSR Method[J]. Industrial Engineering Journal , 2016, 19(3): 122-129.

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