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A Deductive Fault Analysis Method Based on Hypergraphs

Fulltext:


Authors:

Carlo Vitucci, Thomas Westerbäck, Daniel Sundmark, Håkan Forsberg, Thomas Nolte, Marcus Jägemar

Research group:

Complex Real-Time Embedded Systems

Publication Type:

Proceedings (Editor)

Venue:

12th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Processes

Publisher:

Sciencedirect

DOI:

https://doi.org/10.1016/j.ifacol.2024.07.247

Abstract

Fault tree analysis is a system malfunction hazard evaluation quantitative and qualitative procedure. The method is well-known and widely used, especially in the safety systems domain, where it is a mandatory integral part of the so-called ”Hazard Evaluation” documentation. This paper proposes an alternative or complementary deductive fault analysis method: it uses system topology to build a hypergraph representation of the system to identify component criticality and support loss of functionality probability evaluation. Once automated, the proposed method seems promising when the system engineers explore the different architectures. They may have indication about architecture’s reliability without continuous feedback from the system safety team. The system safety team must check the solution once the engineers select the final architecture. They can also use the proposed method to validate the correctness of the fault tree analysis.

Bibtex

@proceedings{Vitucci7017,
author = {Carlo Vitucci and Thomas Westerb{\"a}ck and Daniel Sundmark and H{\aa}kan Forsberg and Thomas Nolte and Marcus J{\"a}gemar},
title = {A Deductive Fault Analysis Method Based on Hypergraphs},
isbn = {2405-8963},
editor = {IFAC},
volume = {58},
number = {4},
month = {August},
year = {2024},
publisher = {Sciencedirect},
url = {http://www.es.mdu.se/publications/7017-}
}