# 紧迫局面的数学模型：《大连海事大学学报》2007年01期

【摘要】：根据船舶在不同会遇情况下的避碰操纵特点,对避免紧迫局面的行动进行了较深入的研究,并在此基础上,基于公认的紧迫局面定义建立了紧迫局面的数学模型.模型根据规则规定和良好船艺的要求对各种情况下避免紧迫局面的行动作了较完全的考虑,具有广泛的适用性.可用于船舶自动避碰系统中确定不同情况下形成紧迫局面的距离.

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【分类号】：U661.338

【正文快照】：

0引言紧迫局面,是船舶避碰过程中一个十分重要的概念,它不仅是直航船可以独自采取避碰行动的时机,也是让路船或有责任采取避碰行动的任一船采取避碰行动的最晚时机[1],而且还可用于衡量船舶碰撞危险的紧迫程度[2].从1960年避碰规则首次引入“紧迫局面”这一术语以来,航海界的

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