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Issue title: Soft Computing and Advances in Intelligent Systems
Guest editors: Ildar Batyrshin, Fernando Gomide, Vladik Kreinovich and Shahnaz Shahbazova
Article type: Research Article
Authors: Pokorádi, Lászlóa | Kocak, Sinanb | Tóth-Laufer, Edita; *
Affiliations: [a] Institute of Mechatronics and Vehicle Engineering, Óbuda University, Népszínház u. 8. Budapest, Hungary | [b] Doctoral School on Safety and Security Sciences, Óbuda University, Népszínház u. 8. Budapest, Hungary
Correspondence: [*] Corresponding author. Edit Tóth-Laufer, Institute of Mechatronics and Vehicle Engineering, Óbuda University, Népszínház u. 8. Budapest, Hungary. E-mail: [email protected].
Abstract: Reliability and safety have always been the main focus while developing critical automotive systems such as brakes. Failure Modes and Effect Analysis (FMEA) is one of the primary systematic reliability analysis tools. Due to the arising uncertainties and subjectivity, in models such as this one the fuzzy approach is highly popular, i.e., the fuzzy rule-based risk assessment methods can be used to model and depict the subjective opinions of estimators mathematically. In this paper, the authors propose a methodological approach to the implementation of fuzzy rule-based Hierarchical FMEA (H-FMEA), where the membership functions are different depending on the layer. Moreover, the information between each layer is transferred in the form of fuzzy numbers instead of crisp values, in order to further improve the reliability of the system.
Keywords: Risk assessment, FMEA, hierarchical FMEA, fuzzy inference, wheel speed sensor
DOI: 10.3233/JIFS-212664
Journal: Journal of Intelligent & Fuzzy Systems, vol. 43, no. 6, pp. 6917-6923, 2022
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