欧阳知雨,张安民,张永兵.基于 AIS 的船舶会遇局面紧迫度量化分析[J].海洋通报,2019,(2):225-232
基于 AIS 的船舶会遇局面紧迫度量化分析
Quantitative analysis of the Degree of Ship Urgency based on AIS data
投稿时间:2018-05-02  修订日期:2018-09-03
DOI:
中文关键词:  船舶会遇局面紧迫度  AIS  船舶碰撞  海上交通安全
英文关键词:he Degree of Ship Urgency  AIS  ship collision  maritime traffic safety
基金项目:企、事业单位委托 (92015GKF-0797)
作者单位E-mail
欧阳知雨 天津大学 海洋科学与技术学院天津 300072 amber_ou@163.com 
张安民 天津大学 海洋科学与技术学院天津 300072天津市港口环境监测工程技术中心天津 300072  
张永兵 天津航海仪器研究所天津 300131 zhangyongbingdlmu@163.com 
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中文摘要:
      近年来船舶大型化、高速化的发展以及数量的不断递增,导致船舶碰撞概率大大增加。为更好地保障船舶航行安全,提出船舶会遇局面紧迫度这一概念。该概念表征船舶在当前航行状态下由于一定范围内所有其他船舶的存在而处于的会遇局面的紧迫程度,其旨在帮助船舶驾驶员实时感知并掌握船舶在海上航行时所处会遇局面的状况,从而据此加以判断并及时采取措施规避碰撞风险。建立了船舶会遇局面紧迫度的计算模型,该模型以考虑到本船速度的动态圆形领域为空间约束条件,综合考虑其他船舶相对于本船的方位分布和距离这两个指标的影响,基于信息量量化紧迫度。利用 2016 年 1 月 1 日天津港 AIS 数据进行紧迫度的计算与分析,计算结果与实际相符,该计算模型能够准确反映船舶在航行过程中所处会遇局面的紧迫程度。利用双线性内插法建立天津港区域紧迫度二维彩色平面分布图,其表达效果优于传统热度图。
英文摘要:
      In recent years, with the growth of ship size, ship speed and the number of ships, the probability of ship collision has greatly increased. In order to better ensure the safety of ship navigation, the concept of the Degree of Ship Urgency is proposed, which characterizes the degree of urgency of the encounter situation considering the existence of other ships in the current state of navigation. It is designed to help captains grasp the encounter situation of the ship in real time, so that measures can be taken to avoid the danger in time. A calculation model based on information content is built, which takes the dynamic circle domain considering its own ship's speed as the space constraint condition, comprehensively considering the influence of ships' relative direction and the distance. To authenticate the accuracy and validity of the model, an experiment was carried out using the AIS data of Tianjin Port on January 1, 2016. The calculation results are in conformity with the actual condition, and the calculation model can accurately reflect the Degree of Ship Urgency in encounter situations. The twodimensional distribution map of the Degree of Ship Urgency of Tianjin Port is built by using bilinear interpolation method,and its expression effect is better than traditional heat map.
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