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A Hybrid Fuzzy Decision-Making Algorithm for Prioritization of the 8D Problem-Solving Methodology Using FBWM and FSREM

Nikola Komatina, Dragan Marinković, Vladimir Simić, Nikola Banduka and 1 more

Algorithms | Jun 25, 2026

Abstract

Abstract

This study developed a hybrid fuzzy decision-making algorithm based on the Fuzzy Best-Worst Method (FBWM) and the Fuzzy Square-Root-based Evaluation Method (FSREM). Despite the widespread application of the 8D methodology in engineering practice, the importance of its disciplines has not been sufficiently investigated; therefore, the aim of this study is to determine their significance and priority. The proposed fuzzy algorithm was applied to three companies operating within the automotive supply chain. FBWM was used to determine the criteria weights, while FSREM was applied to rank the 8D disciplines. Sensitivity analysis showed that the expert teams from the three considered companies perceived the problem in a very similar manner. The results of applying the proposed algorithm in all three companies showed that the discipline Identify and Verify Root Cause (D4) has the greatest influence on problem-solving effectiveness. In two of the three companies, Prevent Recurrence (D7) was ranked as the second most influential discipline, while in one company Define Permanent Corrective Actions (D5) was identified as the second most influential discipline. It can be concluded that the results demonstrated a high degree of consistency, while minor ranking deviations can be attributed to different quality management system approaches within each company.

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Authors

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Nikola Komatina

first | University of Kragujevac | ORCID 0000-0001-6964-5673

Dragan Marinković

middle | Vilnius Gediminas Technical University | ORCID 0000-0002-3583-9434

Vladimir Simić

middle | University of Belgrade

Nikola Banduka

middle | University of Kragujevac | ORCID 0000-0002-1108-3265

Aleksandar Nešović

last | University of Kragujevac | ORCID 0000-0002-1690-2389

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BibTeX

@article{Komatina2026Hybrid,
  title = {A Hybrid Fuzzy Decision-Making Algorithm for Prioritization of the 8D Problem-Solving Methodology Using FBWM and FSREM},
  author = {Nikola Komatina and Dragan Marinković and Vladimir Simić and Nikola Banduka and Aleksandar Nešović},
  journal = {Algorithms},
  year = {2026},
  doi = {10.3390/a19070510},
  url = {https://doi.org/10.3390/a19070510}
}

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