KR20060033093A - Automatic identification system and plotter information displaying method of the system - Google Patents

Abstract

According to the present invention, a transponder for automatically receiving and transmitting vessel operation information and a latitude, longitude, and direction angle of own vessel and other vessels are obtained from the vessel operation information received by the transponder connected to the transponder to obtain coordinate system, own vessel, and other vessel. The present invention provides a ship automatic identification system having ship information checking means for displaying the plotter information made by the relative coordinates for the own ship to the crew. The display method of the plotter information in the automatic vessel identification system is such that when the crew member calls the plotter information through the input device, the vessel operation information in the memory is received by the user interface controller, and the received vessel operation information is assigned to the maritime mobile service identification number. By acquiring the latitude, longitude, and direction angle of own ship and other ship, the coordinate system and other ship's position and direction are designated as relative coordinates for own ship, and the own ship is directed above the coordinate system and the coordinate system and other ship designated as relative coordinates for own ship To be displayed on the screen.

Description

AUTOMATIC IDENTIFICATION SYSTEM AND PLOTTER INFORMATION DISPLAYING METHOD OF THE SYSTEM}

1 is a view for explaining a form of displaying the plotter information in the conventional automatic vessel identification system;

2 is a block diagram for explaining the automatic vessel identification system according to the present invention;

3 is a view for explaining a display method of the coordinate system in the plotter information display method of the automatic vessel identification system according to the present invention;

4 is a view for explaining the display method of the other ship in the plotter information display method of the automatic vessel identification system according to the present invention;

5 is a flowchart for explaining a method for displaying plotter information of an automatic ship identification system according to a preferred embodiment of the present invention;

6 is a view for explaining a screen displayed on the display according to the method for displaying plotter information of the automatic vessel identification system according to a preferred embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: Ship identification system 20: Ship information confirmation means

24: user interface (UI) control unit 28: memory

30: input method 40: display

41: north and south defense axis 42: east and west defense axis

43, 43 ': Y axis 44: X axis

47: linear axis 50: transponder

54: VHF module 58: GNSS module

The present invention relates to a ship automatic identification system and a plotter information display method thereof, and more specifically, a manager such as a crew member or a control center easily checks the plotter information showing the position and direction of operation of the ship and other ships. The present invention relates to a ship automatic identification system and a plotter information display method thereof.

As disclosed in Korean Patent Application Laid-Open No. 2001-0104897 "A device for transmitting and receiving data for automatic identification system and method thereof" and 2002-0033064 "shipboard unit for automatic identification system", a ship automatic identification system (AIS: Automatic Identification System automatically provides ship-related information such as ship's specification, location, course, speed, and navigation safety information between ship to ship and ship to shore center. This system is intended to contribute to the safe and efficient operation of ships.

Such ship automatic identification system is a ship-to-ship communication device for collision avoidance, a device for coastal stations to obtain information about a ship and its cargo, and a ship traffic control system for ship-to-shore traffic control. Etc., and a display is provided to display ship-related information such as a ship's specification, position, course, speed, and the like. At this time, the information on the vessel displayed on the screen of the display is applied to the provisions of the International Telecommunication Union (ITU).

In general, the vessel information displayed on the screen of the display in the automatic vessel identification system has a variety of types consisting of static information and dynamic information. At this time, the static information is information that does not change only when the ship moves or elapses. The ship name, International Maritime Organization (IMO) number, Maritime Mobile Service Identity (MMSI), Such as type, length and width of the ship, destination, and the like. In addition, the dynamic information is information of a property that changes with a ship's movement or time, and includes a ship's position (latitude and longitude), azimuth, and ship's speed.

1 is a view for explaining a form of displaying the plotter information in the conventional automatic vessel identification system.

Referring to FIG. 1, the ship automatic identification system displays its own ship (2000, hereinafter referred to as 'charity') and surrounding other ships (1001, 1002, 1003, hereinafter referred to as 'ship') on a coordinate system. Plotter information indicating the position and driving direction of the own ship 2000 and the other ships 1001, 1002, and 1003 is displayed on the display so that the crew can see it. The reference number assigned to each ship is the maritime mobile service identification number (MMSI) assigned according to international standards.

The International Ship and Port Facility Security (ISPS) Convention, which enters into force on 1 July 2004, mandates that ship automatic identification systems be installed on vessels of 500 tonnes or more. At this time, the ISPS Convention requires the automatic vessel identification system provided in Chapter 5 of the SOLAS Convention (International Convention for the Safety of Life at Sea). It is required to improve safety and to meet the functional requirements to improve the protection of the environment and the operation of ship traffic control systems.

In view of this, the inventors have determined that the conventional ship automatic identification system has a lot of room for improvement. In particular, the present inventors have determined that it is necessary to further satisfy the above-described provisions in the method for displaying plotter information of the conventional ship automatic identification system. That is, as described above, the conventional vessel automatic identification system applies a method in which the plotter information displayed on the screen of the display is displayed in absolute coordinates. Such a method of displaying the plotter information includes a highly trained crew member, a control center, and the like. Only managers (hereinafter referred to as 'crewmen') have access to ship operation information, and even a skilled person can obtain the operation information of own ships and other ships after accurately checking the plotter information displayed on the screen of the display. This acts as a deterrent to effective ship navigation and vessel traffic control system.

For example, according to FIG. 1, other ships 1001, 1002, and 1003 are operated around the charity 2000, and the charity 2000 faces northwest, and the other ship 1002 sails from the west of the charity 2000. It can be seen that. At this time, the display method of the plotter information of the automatic vessel identification system of the conventional ships so that the north-south azimuth axis 112 pointing north and south in the vertical direction and the east-west azimuth axis 114 pointing east and west in the left and right directions are fixed, and the charity 2000 ) And plotter information is displayed in absolute coordinates to display the position and the direction of travel of the other lines (1001, 1002, 1003) in a fixed coordinate system. However, the method of displaying plotter information of the conventional vessel automatic identification system is not intuitively understood as seen from the deck of the own ship 2000 on how other ships 1001, 1002, 1003 are positioned around the own ship 2000. .

Therefore, the present invention has been proposed to improve the problems shown in the conventional method of displaying the plotter information of the automatic vessel identification system, a new that can easily enable the crew to know the position and driving direction of the own ship and other ships from the screen of the display An automatic ship identification system of the type and a method of displaying the plotter information thereof.

According to a feature of the present invention for achieving the above object, the present invention is a vessel consisting of ship-related information and navigation safety information, such as the specification, position, course, speed of the vessel between the vessel and the vessel and between the center of the vessel and the land Claims [1] A ship automatic identification system for automatically avoiding collision between ships or smoothing traffic control on the ground by automatically transmitting and receiving operation information, comprising: a transponder for automatically receiving and transmitting the ship operation information; It is connected to the transponder to obtain the latitude, longitude and direction angle of own ship and other ship from the ship operation information received by the transponder so that plotter information consisting of coordinate system, own ship and other ship is displayed on the display in relative coordinates with respect to own ship. Ship information verification means for viewing by the crew.

As described above, the present invention provides the ship information checking means comprising: a memory in which the ship operation information transmitted from the transponder is updated and stored at a predetermined time; Operate an operation program for processing ship information required by the crew of the ship operation information transmitted from the transponder connected to the transponder, and the own ship and other ships according to the maritime mobile service identification number in the ship operation information. A user interface controller for acquiring latitude, longitude, and direction angle, and designating the position and direction of the coordinate system and the other line as relative coordinates with respect to the own ship; A display for allowing the crew to view the coordinate system, the own ship, and the other ship transmitted from the user interface control unit on a screen; It may be provided with an input for allowing the crew to select the information of the received vessel.

As described above, the ship information checking means may be formed separately from the transponder and may be configured to be wired to the transponder.

According to another feature of the present invention for achieving the above object, the present invention provides a ship-related information and navigation safety information, such as the specification, position, course, speed of the vessel between the vessel and the vessel and the center of the vessel and the land A transponder for automatically transmitting and receiving ship operation information to facilitate collision avoidance between ships or traffic control on the ground; A method of displaying plotter information of an automatic vessel identification system comprising a memory for updating vessel operation information at a predetermined time and storing the vessel information and means for confirming vessel information including a user interface control unit, a display, and an input unit. Receiving ship operation information of the memory to the user interface controller when calling the plotter information; Acquiring the latitude, longitude, and direction angle of the own ship and the other ship according to the maritime mobile service identification number from the received vessel operation information, and designating the position and direction of the coordinate system and the other ship as relative coordinates for the own ship; Directing the own vessel upward of the coordinate system and causing the coordinate system and other ships designated as relative coordinates to the own vessel to be represented on the screen of the display.

Such a preferred embodiment of the present invention includes the step of designating the coordinate system and the other line as relative coordinates with respect to the own ship, setting the own ship so as to be located at the center points of the virtual X and Y axes; Setting the coordinate system to rotate from the Y axis by the direction angle of the own ship; The difference between the direction angles of the other ship and the own ship is set to the converted direction angle of the other ship, and the distance between the own ship and the other ship is obtained by converting the latitude and longitude of the other ship into coordinate values of the X and Y axes. And setting the position of the other ship at the obtained distance at an angle corresponding to a difference between an angle between the virtual straight axis connecting the own ship and the other ship and the Y axis and the direction angle of the own ship.

The present invention allows the crew to display the plotter information providing information on the operation status of the surrounding vessels in the form of relative coordinates centered on the own ship so that the crew member can view the position and the direction of the other ship based on the position and the traveling direction of the own ship. It is characterized by making it very easy to recognize. According to the present invention, since the displayed plotter information can see the other ship based on the own ship, the crew member can intuitively grasp the driving state of the own ship and the other ship, thereby improving safety.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 2 to 6. On the other hand, in the drawings, the technical details that can be easily applied from the general vessel automatic identification system and plotter information display method and the detailed description are easily understood by those skilled in the art, so they will be briefly omitted or omitted. The relevant parts are shown in the drawing.

2 is a block diagram illustrating a ship automatic identification system according to the present invention.

2, the automatic vessel identification system 10 according to the present invention is basically provided with a transponder (50, transponder) and vessel information confirmation means (20, minimum keyboard and display; MKD).

The transponder 50 is a component for automatically receiving and transmitting ship operation information between ship to ship and ship to center. The transponder 50 includes a VHF module 54 and a GNSS module 58 for the static and navigation related to other ships. After obtaining the ship operation information consisting of the information and the like, the process is transmitted to the user interface control unit 24 (hereinafter referred to as the "UI control unit") of the ship information confirmation means 20 to be stored in the memory 28. The transponder 50 includes a communication processing device capable of operating over a full range of maritime frequencies capable of supporting short-range and long-distance communication by selecting or switching an appropriate channel as defined in international conventions, and 10/1000 of an angle. Apparatus for processing data from electronic position measuring devices using WGS-84 channel information providing values up to and including automatically inputting data from other sensors that satisfy the information update cycle in automatic mode. Apparatus for detecting errors in the received and received data, self test apparatus and various interface devices will be applied, but the detailed description will be omitted since they can be easily applied from a general ship automatic identification system regardless of the technical features of the present invention. .

The ship identification information means 20 is connected to the transponder 50 to allow the crew to view the information of the vessel received by the transponder 50, so that the crew can manually input or query the necessary data Device. This ship identification information means 20 is provided with the UI control part 24, the memory 28, the input device 30, and the display 40. As shown in FIG. The vessel information checking means 20 is formed separately from the transponder 50 is wired to the transponder 50 and the serial port. Of course, with the development of wireless technology, such vessel information checking means 20 may be configured in any form of wireless.

The UI control unit 24 is connected to the transponder 50 and receives the ship operation information received by the transponder 50 to operate the operation program for processing the information of the vessel required by the crew, and in the ship operation information The latitude, longitude, and direction angles of own ships and other ships according to the maritime mobile service identification number are obtained, and the coordinates and other ships' positions and directions are designated as relative coordinates for their own ships. And the memory 28 is updated and stored in the ship operation information transmitted from the transponder 50 at a predetermined time. In general, the float information is updated every second.

The display 40 displays the plotter information, which is converted from the UI control unit 24 into relative coordinates for the own ship, to be displayed on the screen, so that the crew can view the input, and the input unit 30 displays the information of the vessel on which the crew received the ship. Make a choice. In this case, a general LCD may be applied to the display 40 or an apparatus for displaying other types of information may be applied. For example, in the present invention, although the input device 30 and the display 40 are presented in different configurations, the input function and the screen display function may be simultaneously implemented by applying a display such as a touch screen.

3 is a view for explaining a display method of the coordinate system in the plotter information display method of the automatic vessel identification system according to the present invention, Figure 4 is a display method of other ships in the plotter information display method of the automatic vessel identification system according to the present invention. 5 is a flowchart illustrating a method for displaying plotter information of an automatic vessel identification system according to a preferred embodiment of the present invention, and FIG. 6 is an vessel automatic identification system according to a preferred embodiment of the present invention. A diagram for describing a screen expressed on a display according to a method of displaying plotter information.

As shown in FIG. 3, in the plotter information display method according to the present invention, the Y-axis 43 and the X-axis 44 in which the north-south azimuth axis 41 and the east-west azimuth axis 42 of the coordinate system are virtually set in the plotter information. ), And rotates the other line on the own ship 2000 into relative coordinates to be displayed on the display as shown in FIG. 4. At this time, the Y-axis 43 and the X-axis 44 are introduced to display relative coordinates on the display, which is not actually seen, but is updated at an interval of every second through the transponder 50 and stored in the memory 28. It is a concept introduced during calculation in the UI control unit 24 with the position information (latitude, longitude, azimuth) of the own ship and the other ship in the ship operation information. Here, the centers (0,0) of the Y-axis 43 and the X-axis 44 coincide with the north-south azimuth axis 41 and the east-west azimuth axis 42 displayed on the display, and the center (0,0) is This is the position where the own ship 2000 is displayed.

As shown in FIG. 4, the other ships 1001, 1002, and 1003 are represented on the coordinate system as relative positions with respect to the own ship. For this purpose, the UI control unit 24 displays the absolute coordinates from the ship operation information read from the memory 28. When the positional information of the given strokes 1001, 1002, 1003 is converted into relative coordinates with respect to the own ship 2000 and displayed on the display, as shown in FIG. 6, the coordinates are represented by relative coordinates in the coordinate system.

)를 구한 다음 자선(2000)과 타선(1001, 1002, 1003)을 잇는 가상의 직선축(47)과 Y축(43) 사이의 각도(cog2)와 자선(2000)의 방향각(cog)의 차이에 해당되는 각도(cog2-cog)로 구해진 거리(d)에 타선(1001, 1002, 1003)의 위치를 설정(S528)하여 이루어진다. 2 to 5, in the method of displaying plotter information according to the present invention, when the crew first calls the plotter information through the input device 30 (S500), the ship operation information of the memory 28 is displayed in the UI control unit 24. It is received (S510). The UI control unit 24 obtains the latitude, longitude, and direction angles of the own vessel 2000 and the other vessels 1001, 1002, 1003 according to the maritime mobile service identification number from the received vessel operation information (S510) and supplies them to the own vessel 2000. With respect to the coordinate system and the position and direction of the other line (1001, 1002, 1003) to specify the relative coordinates (S520). In this case, the method of designating the coordinate system and the other lines 1001, 1002, and 1003 as relative coordinates with respect to the own ship 2000 is first set such that the own ship 2000 is positioned at the center points of the virtual X-axis 43 and the Y-axis 44. (S522). The coordinate system is set to rotate from the Y axis 44 by the direction angle cog of the own ship 2000 (S524). The method of converting the positions of the other ships 1001, 1002, 1003 to the relative coordinates with respect to the own ship 2000, as shown in FIG. 4, is the difference between the direction angles of the other ships 1001, 1002, 1003 and the own ship 2000. (cog3-cog) is set to the converted direction angles of the other ships 1001, 1002, and 1003 (S526), and the latitude and longitude of the other ships 1001, 1002, and 1003 are set on the X-axis 44 and the Y-axis 43. The distance between the own ship 2000 and other ships 1001, 1002, 1003 in terms of coordinate values (x, y) of (

) And then the angle (cog2) between the imaginary linear axis (47) and the Y axis (43) connecting the own ship (2000) and other ships (1001, 1002, 1003), and the direction of the direction of the own ship (2000) (cog). The position of the other ships 1001, 1002, 1003 is set (S528) at the distance d obtained by the angle cog2-cog corresponding to the difference.

The relative coordinates of the coordinate system and other lines 1001, 1002, and 1003 obtained in this way are directed to the upper direction of the coordinate system as shown in FIG. 6, and with respect to the own vessel 2000. The coordinate system and other lines 1001, 1002, and 1003 designated as the relative coordinates are represented on the screen of the display 40 (S530).

As shown in FIG. 6, the own ship 2000 faces the coordinate system, and the other ships 1001, 1002, and 1003 are observed from this point of view, and the other ship 1002 is slightly above the own ship 2000. It is in operation, and the other line 1003 is in operation on the left side, and the other line 1001 is in operation at about 4 o'clock, so it can be seen that it can be understood more intuitively.

When the plotter information is displayed as in the present invention, it is easy for the crew to grasp the positions of the other ships 1001, 1002, 1003 based on the front of the own ship 2000. Of course, the automatic vessel identification system according to the present invention can be applied to display the plotter information display method of the present invention to display the plotter information in relative coordinates based on the own ship (2000), conventional plotter information in absolute coordinates It will be possible to provide more convenience by allowing to see.

As described above, the vessel automatic identification system and its plotter information display method according to a preferred embodiment of the present invention have been shown in accordance with the above description and drawings, but this is merely an example and does not depart from the spirit of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope.

According to the automatic vessel identification system and the plotter information display method according to the present invention, the crew member to display the plotter information providing information on the operation status of the surrounding vessels in the form of relative coordinates centered on the own vessel, It is very easy to recognize the information on the position and the direction of the other line based on the direction of travel. Therefore, the crew can more intuitively grasp the operating state of the own ship and other ships has the advantage of improving the safe operation.

Claims (5)

Ship collision information or navigation on the ground by automatically sending and receiving ship operation information consisting of ship's specification, position, course, speed, etc. and ship safety information between ship and ship and between ship and land center. In ship automatic identification system for smooth control, A transponder for automatically receiving and transmitting the vessel operation information; Connected to the transponder to obtain the latitude, longitude and direction angle of the own ship and the other ship from the ship operation information received by the transponder to display the plotter information consisting of the coordinate system, own ship and other ship in the relative coordinates with respect to the own ship Vessel automatic identification system comprising a vessel information confirmation means for viewing the crew. The method of claim 1, The ship information checking means includes a memory in which the ship operation information transmitted from the transponder is updated and stored at a predetermined time; Operate an operation program for processing ship information required by the crew of the ship operation information transmitted from the transponder connected to the transponder, and the own ship and other ships according to the maritime mobile service identification number in the ship operation information. A user interface controller for acquiring latitude, longitude, and direction angle, and designating the position and direction of the coordinate system and the other line as relative coordinates with respect to the own ship; A display for allowing the crew to view the coordinate system, the own ship, and the other ship transmitted from the user interface control unit on a screen; And an input device for allowing the crew to select the received information of the vessel. The method according to claim 1 or 2, The vessel information identification means is formed separately from the transponder is a ship automatic identification system, characterized in that configured to be wired connection with the transponder. Ship collision information or ground traffic control by automatically sending and receiving ship related information such as ship's specification, location, course, speed, and ship operation information such as navigation safety information between ship and ship and between ship and land center A transponder to facilitate the operation; In the plotter information display method of the automatic vessel identification system comprising a memory for updating the vessel operation information at a predetermined time and stored, and a ship information confirmation means having a user interface control unit, a display and an input unit, Receiving the ship operation information of the memory to the user interface controller when a crew member calls the plotter information through the input device; Acquiring the latitude, longitude, and direction angle of the own ship and the other ship according to the maritime mobile service identification number from the received vessel operation information, and designating the position and direction of the coordinate system and the other ship as relative coordinates for the own ship; And directing the own vessel upward of the coordinate system and displaying the coordinate system and other ships designated as relative coordinates with respect to the own vessel on the screen of the display. The method of claim 4, wherein The step of designating the coordinate system and the other ship as the relative coordinates with respect to the own ship may include setting the own ship to be located at the center of the virtual X and Y axes; Setting the coordinate system to rotate from the Y axis by the direction angle of the own ship; The difference between the direction angles of the other ship and the own ship is set to the converted direction angle of the other ship, and the distance between the own ship and the other ship is obtained by converting the latitude and longitude of the other ship into coordinate values of the X and Y axes. And setting the position of the other ship at the determined distance at an angle corresponding to the difference between the angle between the virtual straight axis connecting the own ship and the other ship and the Y axis and the direction angle of the own ship. How to display plotter information for identification system.

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