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Applying Interval Fuzzy Petri Net to Failure Analysis

Applying Interval Fuzzy Petri Net to Failure Analysis
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Author(s): Lajmi Fatma (The National Engineering School of Monastir(ENIM), Monastir, Tunisia), Jalel Ghabi (High Institute of Applied Sciences and Technology of Kairouan, Kairouan, Tunisia) and Hedi Dhouibi (High Institute of Applied Sciences and Technology of Kairouan, Kairouan, Tunisia)
Copyright: 2020
Volume: 11
Issue: 1
Pages: 17
Source title: International Journal of Service Science, Management, Engineering, and Technology (IJSSMET)
Editor(s)-in-Chief: Ahmad Taher Azar (Prince Sultan University, Riyadh, Kingdom of Saudi Arabi and Benha University, Egypt) and Ghazy Assassa (Benha University, Egypt)
DOI: 10.4018/IJSSMET.2020010102

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Abstract

In this article, the authors propose a new approach for modelling and failure analysis by combining the graphical representation provided by Petri nets and fuzzy logic. The graphical method is used for describing the relationship between conditions and events. The use of Petri nets in failure analysis enables replacing logic gate functions in fault trees. The Fuzzy logic technique allows natural language descriptions of process entities as well as an if-then rule-based definition of production. In addition, this study devises an alternative, a trapezoidal graph method in order to account for failure scenarios. Examples validating this novel method in dealing with failure analysis are also provided.

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