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Comprehensive risk estimation of maritime accident using fuzzy evaluation method – Focusing on fishing vessel accident in Korean waters

机译:模糊评价方法的海事事故综合风险估算 - 韩国水域渔船事故

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Maritime accidents not only incur loss of human lives and physical damages to ships but also cause negative impact on marine safety weakening national competitiveness in maritime transportation. The government established national level plans to reduce maritime accidents. Fishing vessel accidents, among others, take up around 70% of the total maritime accidents in Korean waters.However, researches on fishing vessel accidents have not been studied much compared to commercial ship cases. In this regard, we evaluate risk level of fishing vessel accident with the fuzzy comprehensive evaluation method, where a fuzzy membership function is applied in an attempt to reduce the degree of uncertainty inherited in the given data.For the comprehensive (overall) risk, 9 types of fishing vessel accident are analyzed over the period of 1988–2016 years and risk value is compared against fuzzy risk criteria to determine the risk level. Also risks of each type of accident are calculated and classified into different risk levels.Since the comprehensive risks are calculated on a 100 scale on a yearly basis changes in risk levels are easily visualized year by year. The results obtained from our analysis will help a decision maker establish proper risk reduction measures to mitigate different types of accident and manage effectively the limited and/or scare resources to be employed. The evaluation method can be applied to risk estimation of other sea transportation accidents.
机译:海事事故不仅会使人类生命和物理损害造成损失,而且对海洋运输中的国家竞争力造成海洋安全削弱的负面影响。政府建立了国家一级计划,以减少海事事故。除其他人中,渔船事故占韩国水域总事故的70%左右。然而,与商业船舶案件相比,尚未研究渔船事故的研究。在这方面,我们利用模糊综合评价方法评估渔船事故的风险水平,其中模糊隶属函数用于减少给定数据中遗传的不确定性程度。对于全面(整体)风险,9在1988 - 2016年的时间内分析渔船事故的类型,并将风险值与模糊风险标准进行比较,以确定风险等级。每种类型事故的风险也被计算并分类为不同的风险等级。“综合风险”在每年的风险水平的日期内的每年增加100分,逐年可视化。从我们的分析中获得的结果将有助于决策者建立适当的风险降低措施,以减轻不同类型的事故,并有效地管理有限的和/或恐慌资源。评价方法可应用于其他海运事故的风险估算。

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