Enhancing Choquet integral in risk assessment of auto parts manufacturing process in the network structure of failure modes

Paria Azizpour and Mustafa Jahangoshai Rezaee ()
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Paria Azizpour: Urmia University of Technology
Mustafa Jahangoshai Rezaee: Urmia University of Technology

International Journal of System Assurance Engineering and Management, 2024, vol. 15, issue 6, No 21, 2283 pages

Abstract: Abstract The Failure Mode and Effects Analysis (FMEA) is a methodology used in discrete manufacturing industries to identify and evaluate risks. It focuses on three factors: Severity, Occurrence, and Detection (SOD), which are individually assessed for each failure mode. However, conventional risk assessments often overlook the interconnectedness of risks within a system. To enhance this process, incorporating cause-and-effect relationships between risks can be beneficial. This study addresses this limitation by utilizing the network structure of FMEA. It introduces the Choquet integral, a fuzzy measurement theory, to quantify the influence of assessment factors on one another through cause-and-effect connections. By integrating failure modes based on their significance, this method updates SOD values to reflect these relationships. Ultimately, the Choquet integral is repurposed to rank failures, ensuring a balanced consideration of assessment factors and preventing the dominance of a single factor. To showcase the effectiveness of this approach, a case study is conducted involving failures within an auto parts production unit. The proposed method demonstrates the advantages of accounting for interconnectedness among failure modes, offering a more comprehensive and accurate risk assessment process.

Keywords: Network-based risk assessment; Failure modes and effect analysis; Choquet integral; Failure modes fusion; Cause and effect relationships; Auto parts manufacturing (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s13198-023-02241-3

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