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首页> 外文会议>Asia Navigation Conference 2008 >Radar Display and Collision Danger Assessment for Decision-Making Support
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Radar Display and Collision Danger Assessment for Decision-Making Support

机译：雷达显示和碰撞危险评估，为决策提供支持

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摘要

Although intensive research work on automatic navigation and collision avoidance has been carried out,collision avoidance activities still depend heavily on human judgements,and radars are still most useful tool for collision avoidance at sea.In order to minimize human subjectivity and reduce human errors,it is of significance to properly process and display radar information to support human navigators in their decision making procedures.A suitable approach to support human navigators is to provide adequate information and its display for decision-making.In this papcr,a new approach of radar display is proposed.We define the range of course at risk (RCR) and the range of speed at risk (RSR) and display them on an outer ring of the radar screen and heading mark,respectively.A fuzzy method is employed for determining the radius of the guarding ring and a basic configuration of a fuzzy logic system for collision avoidance is proposed.We also propose two measures for estimating collision danger,the heading risk (HR) and the situational risk (SR).HR indicates the danger level of own ship's present course and speed,and SR indicates the general danger level of surrounding traffic.With our new display approach,the decision making becomes straight and no trial maneuver is needed.
机译：尽管已经进行了有关自动导航和避免碰撞的深入研究，但是避免碰撞的活动仍然严重依赖于人类的判断，雷达仍然是海上避免碰撞的最有用的工具。为了最小化人类的主观性并减少人为错误，它对正确处理和显示雷达信息以支持导航员的决策程序具有重要意义。一种支持导航员的合适方法是为决策提供足够的信息及其显示。在本文中，一种新的雷达显示方法我们定义了危险航向的范围（RCR）和危险航速的范围（RSR）并分别在雷达屏幕的外圈和航向标记上显示它们。采用模糊方法确定半径提出了一种保护环的结构，提出了避免碰撞的模糊逻辑系统的基本配置。同时，提出了两种估计碰撞的措施危险，航向危险（HR）和情况危险（SR）。HR指示本船当前航向和速度的危险等级，SR指示周围交通的一般危险等级。通过我们的新显示方法，决策成为直的，不需要审判机动。

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