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|Title:||An extended quantitative risk analysis model by incorporating human and organizational factors||Authors:||Wang, Y.F.
Fuzzy Analytical Hierarchy Process
Quantitative Risk Analysis
|Issue Date:||2011||Citation:||Wang, Y.F.,Xie, M.,Ng, K.M. (2011). An extended quantitative risk analysis model by incorporating human and organizational factors. 2011 IEEE International Conference on Quality and Reliability, ICQR 2011 : 361-365. ScholarBank@NUS Repository. https://doi.org/10.1109/ICQR.2011.6031742||Abstract:||In this paper, a quantitative risk analysis (QRA) model incorporating human and organizational factor is presented by integrating Fault Tree (FT) with Bayesian Network (BN). FT is used to model the factors how to contribute to the final failures. BN extends the causal chain of basic events to potential human and organizational roots and provides a more precise quantitative links between the event nodes. In order to define the conditional probability table of BN, fuzzy Analytical Hierarchy Process (AHP) is integrated with a decomposition method. The fuzzy AHP helps to reduce the subjective biases by avoiding the need to spell out explicit probability values for the variables' states. The decomposition method breaks the complexity by allowing conditioning on each of the parent nodes separately. The new QRA model is demonstrated on an offshore fire case study. By exploiting the advantages of both models, the method of combining FT and BN is normally a more detailed risk model with higher resolution, comparing with traditional QRA. © 2011 IEEE.||Source Title:||2011 IEEE International Conference on Quality and Reliability, ICQR 2011||URI:||http://scholarbank.nus.edu.sg/handle/10635/72281||ISBN:||9781457706288||DOI:||10.1109/ICQR.2011.6031742|
|Appears in Collections:||Staff Publications|
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