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A holistic framework for process safety and security analysis

delete2022-09-01
delete11
PRE
AI
M
Md. Tanjin Amin
F
Faisal Khan *
S
Syeda Zohra Halim
P
Pistikopoulos, Stratos
DOI:10.1016/j.compchemeng.2022.107963delete
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摘要

摘要

En 中文
System safety analysis is crucial for preventing losses. To prevent losses, modern safety analysis tools need to capture both safety and security-related risks. This work proposes a holistic safety and security analysis framework that considers both the intentional and unintentional causation of risks. At first, the threats to a process system are identified, followed by analyzing the factors that may lead to these threats. Then the mechanisms to neutralize threats using safeguards are discussed. These steps are modelled in a Bayesian network (BN) framework to capture the probabilistic nature of the events and associated factors. The BN model is used to analyze the real-time risk. The proposed framework is used to study four scenarios. A comparison with previous works confirms that the proposed framework provides better understanding and analysis capabilities. This work will serve as a reference point for further development in integrated safety and security analysis.
Keyword:
Risk assessment
Safety analysis
Security analysis
Bayesian network
Cyber attack

期刊

C
Computers and Chemical Engineering
IF:
3.9
论文数:
8.1K
被引数:
1.7W

机构

T
Texas A&M University System
学者数:
4.4W
论文数: 4.0W
被引数: 4.0K
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