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In this paper, the evaluation of the effect of variable power is presented, which is caused from changing environmental conditions. These affect system operation which consists of a wind turbine which provides the necessary power and a desalination potable water production unit installed on a floating offshore structure. The integration of wind var...
Contexts in source publication
Context 1
... process for carrying out FMEA can be split into several steps as is explained in detail in papers [1], [6], [11]. However, Figure 2 shows the proposed modification in the traditional process of FMEA. The proposed FMEA modification constitutes of the reevaluation with Variable Environmental Conditions and the estimation of a new possibility of Occurrence rating and occasionally, the possibility of Detection rating. ...
Context 2
... case where the weather conditions cannot be controlled, and provided that for the specific location area excessive duration of severe weather conditions are expected, the occurrence possibility must be reevaluated before the next step of correction is implemented. As shown in Figure 2, the actual scope of FMEA is to reevaluate the risk priorities on RPN rating and the effect of variable weather conditions by further study of the failures impact on the rating of occurrence. The rest of risk evaluation, on the basis of the calculated RPN, determines a strategy of action based on the risk categories. ...
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Citations
This paper aims to develop a novel model to assess the risk factors of maritime supply chains by incorporating a fuzzy belief rule approach with Bayesian networks. The new model, compared to traditional risk analysis methods, has the capability of improving result accuracy under a high uncertainty in risk data. A real case of a world leading container shipping company is investigated, and the research results reveal that among the most significant risk factors are transportation of dangerous goods, fluctuation of fuel price, fierce competition, unattractive markets, and change of exchange rates in sequence. Such findings will provide useful insights for accident prevention.
