Evaluation and Selection of the Quality Methods for Manufacturing Process Reliability Improvement—Intuitionistic Fuzzy Sets and Genetic Algorithm Approach

Ranka Gojković, Goran Đurić, Danijela Tadić, Snežana Nestić and Aleksandar Aleksić
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Ranka Gojković: Faculty of Mechanical Engineering, University of East Sarajevo, 71123 East Sarajevo, Bosnia and Herzegovina
Goran Đurić: Faculty of Mechanical Engineering, University of Belgrade, 11120 Belgrade, Serbia
Danijela Tadić: Faculty of Engineering, University of Kragujevac, 34000 Kragujevac, Serbia
Snežana Nestić: Faculty of Engineering, University of Kragujevac, 34000 Kragujevac, Serbia
Aleksandar Aleksić: Faculty of Engineering, University of Kragujevac, 34000 Kragujevac, Serbia

Mathematics, 2021, vol. 9, issue 13, 1-17

Abstract: The aim of this research is to propose a hybrid decision-making model for evaluation and selection of quality methods whose application leads to improved reliability of manufacturing in the process industry. Evaluation of failures and determination of their priorities are based on failure mode and effect analysis (FMEA), which is a widely used framework in practice combining with triangular intuitionistic fuzzy numbers (TIFNs). The all-existing uncertainties in the relative importance of the risk factors (RFs), their values, applicability of the quality methods, as well as implementation costs are described by pre-defined linguistic terms which are modeled by the TIFNs. The selection of quality methods is stated as the rubber knapsack problem which is decomposed into subproblems with a certain number of solution elements. The solution of this problem is found by using genetic algorithm (GA). The model is verified through the case study with the real-life data originating from a significant number of organizations from one region. It is shown that the proposed model is highly suitable as a decision-making tool for improving the manufacturing process reliability in small and medium enterprises (SMEs) of process industry.

Keywords: selection of quality methods; manufacturing process; intuitionistic fuzzy sets; genetic algorithm (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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