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Ship-navigation buoy collision risk degree estimation method based on automatic identification system (AIS)

A technology of danger and ships, applied in the field of waterways, can solve the problems that ships cannot know the information of the waterway, the degree of danger between ships and buoys is prone to misjudgment, and it is impossible to give early warnings of ship-to-navigation collisions in time

Active Publication Date: 2018-11-30
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Disadvantages: The method of capturing ship images based on image analysis, analyzing the speed direction, and establishing a model to warn of collisions is complex and time-consuming, and cannot give early warnings of ship-to-navigation collisions in time; Due to factors such as size differences, it is easy to misjudge the risk of ship-to-navigation mark collision
[0025] Secondary average accidents: average accidents refer to water transportation accidents that cause material losses or cost losses. Secondary average accidents refer to average accidents caused directly or indirectly by the previous average accident. In this patent, it mainly refers to accidents caused by ship-to-navigation mark collision The navigation mark is malfunctioning, making it impossible for subsequent ships to know the channel information, resulting in average damage

Method used

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  • Ship-navigation buoy collision risk degree estimation method based on automatic identification system (AIS)
  • Ship-navigation buoy collision risk degree estimation method based on automatic identification system (AIS)
  • Ship-navigation buoy collision risk degree estimation method based on automatic identification system (AIS)

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Embodiment

[0087] Embodiment: This embodiment takes the monitoring of the navigation mark in the area under the jurisdiction of the waterway management department as an example to illustrate the implementation method. The data center can obtain data such as water level and flow velocity of the waterway through sensors or other systems, and the data center can use the navigation mark telemetry remote control system The data center can obtain the real-time AIS information of all ships in the jurisdiction through the existing AIS network or the AIS receiving device set by itself. The navigation mark can carry out real-time two-way communication with the data center through the installed telemetry remote control system or other control devices. A camera or panoramic camera is set on the navigation mark, which is controlled by the telemetry remote control system or other control devices to take pictures and upload them to the data center.

[0088] Such as Figure 4As shown, the data center of...

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Abstract

The invention relates to a ship-navigation buoy collision risk degree estimation method based on an automatic identification system (AIS), and belongs to the technical field of navigation channels. The ship-navigation buoy collision risk degree estimation method comprises the steps that a feature point model of a ship is built by obtaining static information in AIS information of the underway ship, and according to the feature point model of the ship, real-time and historical ship positions of the ship, and the heading, the ship position, the heading and the navigation path of ship feature points are predicted; and according to prediction information of the feature point model of the ship and position data of a navigation buoy and the ship, the nearest meeting distance between the navigation buoy and the feature point model of the ship and the traveling distance needed by the ship for reaching the meeting point are calculated, the collision risk degree is estimated in real time according to a collision risk degree estimation model, and the collision risk degree threshold value is calculated in real time according to a collision risk degree threshold value calculating model. Throughthe judging result, a camera on the navigation buoy can be triggered to take photos, and warning reminding can be conducted on the ship; and according to the ship-navigation buoy collision risk degree estimation method, distance measurement sensors or other sensors do not need to be newly additionally arranged, and then whether the ship and the navigation buoy collide or not can be effectively prejudged.

Description

technical field [0001] The invention belongs to the technical field of waterways, and relates to an AIS-based method for estimating the collision risk of a ship-to-navigation mark. Background technique [0002] As a navigation aid for safe navigation of ships, navigation marks are widely used in inland river shoals, submerged reefs, bridge areas, control river sections and other navigable waters. Navigation mark ships are deployed on the water surface of inland waterways to mark the direction, boundaries and obstructions of the waterway, reveal relevant information about the waterway, and point out safe waterways for ships. [0003] With the increase of ship density and turbulent water flow areas, buoy collision accidents occur from time to time. After the buoy collision accident, the buoy and the equipment on the buoy are often damaged, and even major accidents such as the overturning and loss of the buoy ship are caused, resulting in the loss of the navigation aid functio...

Claims

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Application Information

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IPC IPC(8): G08G3/02
CPCG08G3/02
Inventor 梁山毕方全李庭轩徐晓明周孝羽许根平李明王德军王新宇吴朝昇
Owner CHONGQING UNIV
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