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Self-attention enhanced GraphSAGE for UAV fault diagnosis using vibration signals. [PDF]

Sci Rep
Ma Y, Sun Y, Chen L, Wang H, Liu B.
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A translation of State Machines to temporal fault trees

2010 International Conference on Dependable Systems and Networks Workshops (DSN-W), 2010
State Machines (SMs) are increasingly being used to gain a better understanding of the failure behaviour of safety-critical systems. In dependability analysis, SMs are translated to other models, such as Generalized Stochastic Petri Nets (GSPNs) or combinatorial fault trees.
Yiannis Papadopoulos, Nidhal Mahmud
exaly   +2 more sources

Temporal fault trees

Information and Software Technology, 2002
Abstract Fault tree (FT) is a simple, visual, popular and standardized notation for representing relationships between a fault in a system and the associated events. FTs are widely used for supporting products and systems in diverse industries like process control, avionics, aerospace, nuclear power systems, etc.
Girish Palshikar
exaly   +2 more sources

Quantification of Priority-OR Gates in Temporal Fault Trees

Lecture Notes in Computer Science, 2012
Fault Tree Analysis has been used in reliability engineering for many decades and has seen various modifications to enable it to analyse fault trees with dynamic and temporal gates so it can incorporate sequential failure in its analysis. Pandora is a technique that analyses fault trees logically with three temporal gates (PAND, SAND, POR) in addition ...
, Martin Walker, Gordon Neil
exaly   +2 more sources

Synthesis and analysis of temporal fault trees with PANDORA: The time of Priority AND gates

Nonlinear Analysis: Hybrid Systems, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yiannis Papadopoulos
exaly   +4 more sources

Probabilistic analysis of dynamic and temporal fault trees using accurate stochastic logic gates

Microelectronics Reliability, 2015
Abstract This paper presents accurate models for the analysis of fault trees based on stochastic logic. To produce the models, probabilistic analysis of static, dynamic and temporal gates is carried out and the probability models are converted to their equivalent stochastic logic gates.
Hamid R Zarandi, Elham Cheshmikhani
exaly   +2 more sources

Learning Temporal Truth Tables of Dynamic Fault Trees from Time Series Data on Faults

2023 7th International Conference on System Reliability and Safety (ICSRS), 2023
Classical fault tree analysis (FTA) can be used to analyze and assess combinations of failures of basic components that lead to system failures within a given system. Classical FTA is however unable to handle how temporal sequences of faults lead to system failures. This is an important issue in complex dynamic systems.
Parisa Niloofar, Sanja Lazarova-Molnar
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Compositional Temporal Fault Tree Analysis

2007
HiP-HOPS (Hierarchically-Performed Hazard Origin and Propagation Studies) is a recent technique that partly automates Fault Tree Analysis (FTA) by constructing fault trees from system topologies annotated with component-level failure specifications. HiP-HOPS has hitherto created only classical combinatorial fault trees that fail to capture the often ...
Martin Walker, Leonardo Bottaci, Yiannis Papadopoulos   +2 more
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An Enhanced Fuzzy Temporal Fault Tree Approach for System Risk Analysis: A Framework Using α-Cut Arithmetic Operations

New Mathematics and Natural Computation
Temporal fault tree analysis (TFTA) is a well-established method for modeling system failures that depend on specific event sequences. However, its practical use is often limited by the difficulty of acquiring precise component failure data, especially for high-reliability systems.
Hitesh Khungla, Mohit Kumar
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