Fault Tree Analysis for System Safety

Dixon, Jack

doi:10.1002/9781118974339.ch9

Cited by 6 publications

(5 citation statements)

References 4 publications

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“…Based on the fault tree analysis and the bow-tie model analyzed the 10 most common accident mechanisms. Each of them has over 30 cases, which is deemed sufficient for this purpose [31,32]. The software utilized was SPSS version 22.…”

Section: Fig 3: Flowchart Of This Research Methodologymentioning

confidence: 99%

Safety Risk Assessment of Iranian Building Sites based on Construction Stage

Seyed Mohsen Moghaddasi

2024

pst

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To assist safety practitioners in the work of prioritizing preventative activities based on the stage of civil industry, it is necessary to identify the most common causes of accidents in the civil sector. Reports from official accident investigations are examined. For this aim, accidents are examined that were officially investigated by the Ministry of Cooperatives, Labour, and Social Welfare at the building sites of North of Iran (Mazandaran region) between 2013 and 2023. The percentage of causes in each of the several potential cause groups indicates a pattern of causation. There are notable correlations between the different cause categories and the phases of building and accident mechanisms. Depending on the accident's mechanism and the current building stage, there have been seen to be significant variances in accident causation. Prioritizing preventive measures to counter the most likely causes of each accident procedures and building stage should be done using these results.

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Section: Fig 3: Flowchart Of This Research Methodologymentioning

confidence: 99%

Safety Risk Assessment of Iranian Building Sites based on Construction Stage

Seyed Mohsen Moghaddasi

2024

pst

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“…A broad range of methods and techniques already exist for both safety and security analysis. Examples of safety techniques are Functional Hazard Assessment (FHA) (Eurocontrol, 2004), Preliminary Hazard Analysis (PHA) (Ericson, 2005), HAZard and OPerability (HAZOP) (Ericson, 2005, Winther el al., 2001, Failure Mode and Effect Analysis (FMEA) (Stamatis, 1995), Fault Tree Analysis (FTA) (Ericson, 2005), Event Tree Analysis (ETA) (Ericson, 1999;, and Boolean-logic Driven Markov Processes (BDMP) that models malicious and accidental scenarios in a tree structure (Pietre-Cambacedes & Bouissou, 2010). Examples of security techniques are attack trees (Schneier, 1999;2000), threat trees (Amoroso, 1994), various adaptations of UML (Rodriguez et al, 2006, Jurjens, 2002, Lodderstedt et al, 2002, abuse cases (McDermott & Fox, 1999), misuse cases (Sindre & Opdahl, 2000;, security policies (Anton & Earp, 2000), KAOS with anti-goals (Dardenne et al, 1993;van Lamsweerde, 2000;van Lamsweerde & Letier, 2004), extensions of i* (Liu et al 2003;Elahi, 2012), Secure Tropos (Mouratidis et al, 2005;2007;Massacci & Zannone, 2006), abuse frames (Lin et al, 2003;2004), security patterns (Schumacher et al, 2005) and risk-based elicitation of security requirements (Matulevicius et al, 2008;Herrmann et al, 2011).…”

Section: Safety and Security Methodsmentioning

confidence: 99%

Combined Assessment of Software Safety and Security Requirements

Raspotnig

Kárpáti

Opdahl

2018

Journal of Cases on Information Technology

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Safety is a fundamental concern in modern society, and security is a precondition for safety. Ensuring safety and security of complex integrated systems requires a coordinated approach that involve different stakeholder groups going beyond safety and security experts and system developers. The authors have therefore proposed CHASSIS (Combined Harm Assessment of Safety and Security for Information Systems), a method for collaborative determination of requirements for safe and secure systems. In this article, the authors evaluate CHASSIS through industrial case studies of two small-to-medium sized suppliers to the air-traffic management (ATM) sector. The results suggest that CHASSIS is easy to use, and that handling safety and security together provides benefits because techniques, information, and knowledge can be reused. The authors conclude that further exploration and development of CHASSIS is worthwhile, but that better documentation is needed—including more detailed process guidelines—to support elicitation of security and safety requirements and to systematically relate them to functional requirements.

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“…One of the most prevalent methods for effectively conducting risk analysis at system level is FTA, which is used to analyze, visually depict, and evaluate failure pathways within system [8]. The central feature of FTA lies in the use of a logic diagram to illustrate the correlation between system failure or accidents and the underlying causes, typically rooted in component failure [9].…”

Section: Fault Tree Analysis (Fta)mentioning

confidence: 99%

Enhancing Brake System Evaluation in Periodic Testing of Goods Transport Vehicles through FTA-FMEA Risk Analysis

Ansori,

Waskito,

Mutharuddin

et al. 2023

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Failure of the braking system is one of the factors causing traffic accidents, therefore periodic testing of goods transport vehicles is very important. In fact, the incidence rate is still very high despite routine testing. Standard Operating Procedures (SOP) for periodic testing must be updated to reduce the risk of possible accidents. Therefore, procedures for updating the SOP for periodic brake system testing are presented in this article. The Fault Tree Analysis (FTA) and Failure Mode and Effect Analysis (FMEA) methods were applied based on accident investigation data from the National Transportation Safety Committee (NTSC) from 2017 to 2022. FTA is used for risk identification, while FMEA is used for risk analysis to find the highest-risk failure cases. The results of our analysis showed that 13 failure cases were classified as intolerable so additional SOPs were required for each case. Finally, the results of this study provide new insights for stakeholders to revise the rules regarding periodic vehicle testing.

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Fault Tree Analysis for System Safety

Cited by 6 publications

References 4 publications

Safety Risk Assessment of Iranian Building Sites based on Construction Stage

Safety Risk Assessment of Iranian Building Sites based on Construction Stage

Combined Assessment of Software Safety and Security Requirements

Enhancing Brake System Evaluation in Periodic Testing of Goods Transport Vehicles through FTA-FMEA Risk Analysis

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