Empirical analysis method for evacuation timing of ships in storm areas

Empirical analysis method for evacuation timing of ships in storm areas
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风暴区船舶疏散时机实证分析方法

DOI:
10.1016/j.ssci.2021.105323
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发表时间:
2021
期刊:
影响因子:
6.1
通讯作者:
Nakayama Yoshiyuki
Nakayama Yoshiyuki
中科院分区:
工程技术2区
文献类型:
--
作者:
Okuzono Junji;Saito Yasuhiro;Tanaka Takahiro;Nakayama Yoshiyuki

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尽管风暴带来的频率和风险很大,但很少有人对船舶采取先发制人措施以避免暴风雨造成的损害的行为进行研究。本研究的主要目的是提出一种可行的方法,利用自动识别系统来分析船舶躲避风暴的动力学。此外,为了验证所提出方法的方便性,本研究观察了在东京湾附近发布风暴警报的十次风暴过程中船舶避让行为的动态,并分析了政府指令对疏散时间的影响。通过这种方法,研究表明,东京湾的船只在政府发出躲避风暴的指令之前采取了行动。尽管研究表明,政府指令和命令在人员疏散行为的时间安排上是有效的,但这项研究得出了不同的结果。大多数船只的行动都是在政府指令之前采取的。还需要进一步的研究来确定这种现象是否可以应用于其他港口。在各个港口进行这一简单分析的主要目的是评估与避风令相关的管理制度,并建立更合适的制度。此外,这可能会导致研究倾向于低估风险的船只概况。这将有助于每个港口管理人和运营船舶的公司制定单独的安全措施。
Despite the frequency and risk posed by storms, few studies have been conducted on the behavior of ships taking preemptive measures to avoid damage from storms. The primary goal of this study is to propose a feasible method to analyze the dynamics of ships’ evasion of storms with automatic identification systems. In addition, to demonstrate the convenience of the proposed method, this study observed the dynamics of the evasive actions of ships over the course of ten storms for which storm alerts were issued near Tokyo Bay, and analyzed the effect of governmental instructions on evacuation timing. With this method, the study demonstrated that the ships in Tokyo Bay acted before the government issued instructions to avoid the storm. Despite research suggesting the effectiveness of government instructions and orders on the timing of human evacuation behavior, this study yielded different results. Actions by most vessels were taken before government directives. Further research is needed to determine whether this phenomenon can be applied to other ports. The primary goal of performing this simple analysis at various ports is to evaluate the administrative system related to storm avoidance orders and build a more appropriate system. Further, it may lead to studies profiling vessels that tend to underestimate risk. This will help each port manager and the company that operates the ship to formulate individual safety measures.
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