JP2004252823A - Vessel operation control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vessel operation control system for estimating positions and moving directions not only the vessel of a vessel holding group to which the vessel belongs but also vessels of the other groups, and preventing accidents while adding unique information about each vessel holding group. <P>SOLUTION: One GPS positioning device 17, or two GPS positioning devices 17, or one GPS positioning device 17 and a gyro compass 18, a personal computer 19 and marine chart data, and a data communication terminal are disposed at each vessel 20, respectively. A computer system with the marine chart data is disposed in a control center 21. Personal computers 28, the marine chart data and network equipment are disposed in each vessel holding group 27, respectively. Each of the personal computers 28 at each vessel 27 communicates with the computer system in the control center 21 so as to enable mutual data communication, and each of the holding group 27 communicates with the computer system in the control center 21 so as to enable mutual data communication. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a ship capable of grasping the positions of ships belonging to a plurality of groups navigating in the sea area, and capable of grasping and managing information necessary for each group of the ships belonging to each group by the group. It relates to an operation management system.
[0002]
[Prior art]
In land reclamation work at sea, the work of transporting earth and sand for land reclamation to the land reclamation area and throwing it into the land reclamation area will be repeated.In this case, the depth of the water in the land reclamation area shallow gradually as land reclamation progresses. Become.
[0003]
Therefore, in order to prevent land transport vessels from entering the shallow water area, flags and buoys shall be installed as appropriate to indicate the shallow water depth in accordance with the progress of the reclamation work. By navigating away from the shore, they prevented grounding and ensured safety.
[0004]
However, in the case of the method using flags and buoys as described above, in a situation where the landfill area is vast and a large number of workboats come and go, in order to ensure the safety of the workboat, the efficiency of the landfill work must be sacrificed. There was a problem.
[0005]
Therefore, in consideration of the above-mentioned problems, it is necessary to prevent collision and grounding without reducing the landfill efficiency even when many workboats are navigating in the landfill sea area ( For example, refer to Patent Document 1).
[0006]
[Patent Document 1]
JP 2001-319300 A (Pages 2-7, FIGS. 1 and 2)
[0007]
The navigation water area management system of the above-mentioned known invention will be described with reference to the overall system diagram of FIG. 2 and a perspective view of the entire work area where land reclamation is performed using the navigation water area management system 1 of FIG. The water area management system 1 generally includes a work boat-side computer 3 and a survey ship-side computer 5 mounted on the work boat 2 and the survey boat 4, respectively, and a management computer 6 that is installed separately from the work boat 2 and the survey boat 4. A GPS surveying device 7 is connected to the work boat computer 3 and the survey ship computer 5. An ultrasonic sounding device 10 for measuring the water depth below the survey ship 4 is connected to the survey ship computer 5. On the other hand, the management computer 6 creates a water depth map based on the water depth data received from the survey vessel computer 5 and the GPS survey data and transmits the created data, and the work depth computer is used by the work boat computer 3 and the survey boat computer 5. The image is displayed together with the ship position.
[0008]
The navigation water area management system 1 shown in FIGS. 2 and 3 includes a workboat-side computer 3 mounted on a workboat 2 such as an earthmoving ship, a survey-boat-side computer 5 mounted on a survey ship 4, and a workboat 2 And a management computer 6 installed in a management center 21 separated from the survey ship 4.
[0009]
Here, a GPS surveying device 7 that operates by an RTK-GPS (real-time kinematic GPS) system, which is a type of interference positioning system, is connected to the workboat-side computer 3 and the surveying ship-side computer 5 and received by a GPS antenna 9. The position of the work boat 2 and the survey ship 4 can be measured with high accuracy using the obtained GPS signal and the RTK correction data transmitted from the fixed station 22 and received by a wireless device (not shown).
[0010]
An ultrasonic sounding device 10 for measuring the water depth below the survey ship 4 is connected to the survey ship computer 5, and outputs measured water depth data to the survey ship computer 5.
[0011]
A dedicated terminal 8 for packet communication is connected to the computer 3 on the workboat side and the computer 5 on the survey ship side. The GPS survey data obtained by the GPS surveying device 7 and the water depth data measured by the ultrasonic sounding machine 10 are exclusively used for packet communication. Data is transmitted from the terminal 8.
[0012]
As the packet communication dedicated terminal 8, for example, a DoPa (registered trademark) compatible terminal commercially available from NTT Mobile Communication Network Co., Ltd. can be used. In this case, a packet communication network to be described later is a DoPa network which is a communication service network also provided by NTT Mobile Communication Network Corporation.
[0013]
On the other hand, the management computer 6 receives the GPS survey data and the water depth data from the survey ship computer 5 and the GPS survey data from the work boat computer 3 via the packet communication dedicated terminal 8 and the packet communication network 11. Information created based on the GPS survey data and the water depth data is transmitted to the survey ship computer 5 and the work boat computer 3 as management data, and with such a configuration, the management computer 6 and the work boat computer 3 and The survey ship-side computer 5 is in a state where data communication can be performed with each other.
[0014]
Specifically, the GPS survey data and the water depth data transmitted from the packet communication dedicated terminal 8 are received by the base station 12 forming a part of the packet communication network 11, respectively, and thereafter, the router 13, the router 14, Are transmitted to the management network 16 via the communication line 15 connecting the routers 13 and 14 to the LAN, and then received and received by the management computer 6 constituting a part of the management network. The GPS survey data and the water depth data are processed by the management computer 6.
[0015]
However, the above-mentioned conventional navigational water area management system 1 basically seeks to grasp and manage the navigation of each work boat in the landfill construction section of one landfill area 23. Various work boats belonging to multiple groups, ships of shipping companies, ships of ferry operating companies, fishing boats of fishing cooperatives by region, etc. are operating, and the position of ships of other groups other than this management system is There was a problem that it was not possible to grasp and predict the moving direction, and it was not possible to prevent accidents that would occur due to that.
[0016]
[Problems to be solved by the invention]
The present invention can predict not only the ship of the ship holding group to which the ship belongs, but also the position and the moving direction of the ship of the other group, prevent an accident before it occurs, and at the same time, add unique information for each ship holding group. A ship operation management system capable of performing ship operation management for each holding group.
[0017]
[Means for Solving the Problems]
According to the present invention, one GPS positioning device or two GPS positioning devices or one GPS positioning device, a gyro compass, a personal computer, chart data, and a data communication terminal are arranged in each ship, and the data communication terminal is provided to the management center. Has a computer system equipped with chart data, and each ship holding group has a personal computer, chart data and network equipment, so that the personal computer of each ship and the computer system of the management center can mutually communicate data. And a ship operation management system in which the ship holding groups and the computer system of the management center are in communication with each other so as to be able to communicate with each other.
[0018]
In that case, a data server, a personal computer, a distribution server for ships and a distribution server for ship holding groups are arranged, and a computer system that communicates the database server with each distribution server and the management personal computer is arranged at the management center. A LAN connection between the personal computer of each ship and the computer system of the management center by packet communication; a connection of the personal computer of each ship holding group to the computer system of the management center via the Internet or a LAN connection by packet communication; Data communication between the personal computer of the management center and the computer system of the management center through the authentication means, and the data communication between the personal computer of each ship holding group and the computer system of the management center through the authentication means. From the position A ship operation management system that transmits data, time data and / or direction data to a management center computer system, and stores all ship position data, time data and / or direction data in the management center computer system. Consists of
[0019]
In addition, the position data, the time data, and / or the direction data of all the vessels stored in the computer system of the management center are transmitted to the personal computer of each vessel, and each vessel possessing group belongs to the possessing group. Making the position data, time data and / or direction data of each ship receivable from the computer system of the management center, and transmitting various information defined by each ship holding group from each ship; When the information on the occurrence of an abnormality is transmitted to the management center, the data transmission interval between the personal computer of the ship concerned and the computer system of the management center should be shortened. The information on occurrence can be transmitted, and the information on occurrence of abnormality is transmitted to each ship holding group. Sometimes, an instruction to shorten the data transmission interval between the personal computer of the ship and the computer system of the management center is transmitted from the personal computer of each ship holding group to the computer system of the management center, and furthermore, each ship has a personal computer. Instead, it comprises a vessel operation management system in which a protocol converter is arranged, a solar cell is arranged, and chart data is deleted.
[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a ship operation management system according to the present invention will be described with reference to the drawings. FIG. 1 is a system configuration diagram according to the embodiment.
[0021]
First, this ship operation management system can grasp the positions of the ships 20 belonging to a plurality of groups, and grasp and manage the information necessary for each group of the ships belonging to each group by the groups. This system includes each ship 20, a management center 21, and each ship holding group 27.
[0022]
First, each ship 20 has one GPS positioning device 17 or two GPS positioning devices 17 or one GPS positioning device 17 and a gyro compass 18, a personal computer 19, and chart data (CD-not shown). R) and onboard equipment for data communication terminals.
[0023]
Next, a computer system having a database server 22 as a nucleus is arranged in the management center 21, which includes a data server, a personal computer and chart data (CD-R), a distribution server 24 for the ship 20, and a (ferry operating company, A distribution server 25 for a ship holding group 27 (such as a cargo ship operating company, a work boat holding company, a fishery cooperative, etc.) is arranged, and the database server 22 is communicated with each of the distribution servers 24, 25 and the management personal computer 26. .
[0024]
Further, each ship holding group 27 has a personal computer 28, chart data (CD-R) and network equipment.
[0025]
The personal computer 19 of each ship 20 and the distribution server 24 of the management center 21 are connected to the LAN by packet communication similar to the conventional example of FIG. 2, and in this packet communication, data from each ship 20 is wirelessly transmitted to the base station. 31 to the computer system of the management center 21 via the router 30 on the base station 31 side, the router 33 on the side of the management center 21 via the communication line 32, and the data from the management center 21 Sent by the reverse route.
[0026]
The personal computer 28 of each ship holding group 27 and the distribution server 25 for the ship holding group 27 are connected via the Internet. Instead of the Internet, a LAN connection using the above-described packet communication is also possible.
[0027]
Further, in the system according to this embodiment, when transmitting transmission data from the ship 20 to the distribution server 24 for the ship 20, the telephone number of the ship 20 and the IP address of the personal computer 19 of the ship 20 are paired to form the ship. 20 data is authenticated.
[0028]
Further, in the system of this embodiment, when accessing the distribution server 25 for the ship holding group 27 from the ship holding group 27, a general authentication unit is provided.
[0029]
From the vessel 20, information on the position and direction of the vessel 20 is normally obtained by packet communication at intervals of 5 to 10 minutes (direction information is not obtained when only one GPS positioning device 17 is arranged). ) Together with information (such as voyage, berthing, cargo handling, waiting, evacuation, occurrence of an abnormality, etc.) determined by the ship holding group 27 to which the ship 20 belongs along with the time. To be sent to. It should be noted that the GPS time (international standard time) is used as the time, and the timing for transmitting information from each vessel 20 to the management center 21 is preferably the same for all vessels 20 at the same time. Therefore, large capacity equipment is required. Since the position of the ship 20 can be visually checked from a considerable distance, there is no operational problem even if the ship 20 transmits the data randomly, and the cost required for the equipment can be reduced by transmitting the data randomly.
[0030]
From the management center 21, the position and direction of the ship 20 (when only one GPS positioning device 17 is arranged, the direction information is obtained from the ship distribution server 24 every predetermined time (5 to 10 minutes). Is transmitted to the personal computer 19 of the marine vessel 20. Information on the position and direction of all other vessels 20 (when only one GPS positioning device 17 is arranged, no directional information is obtained). Then, these are displayed together with the chart on the screen of the personal computer 19 arranged on the ship 20. In addition, the management center 21 can transmit information on a sea area that cannot be navigated, such as a sea area under construction, weather information, and the like to the personal computer 19 of each ship 20 as necessary.
[0031]
From the ship holding group 27, information on only the ships 20 belonging to the ship holding group 27 can be received from the ship holding group 27 distribution server 25 by authentication. In the ship holding group 27, this information is displayed on the personal computer 28, and the position and direction of all the ships 20 belonging to the ship holding group 27 (when only one GPS positioning device 17 is arranged, the direction information is obtained. No.), and manage the work contents. When information on the occurrence of an abnormality, such as a deviation from a channel or intrusion into a no-go area, is transmitted from the vessel 20 to the management center 21, the following measures are possible. (Because packet communication is charged for the amount of transmission data, shortening the data transmission interval will increase the fee, so the ship-owning group that bears the cost can be selected as appropriate.) It is also possible to set so that an error occurrence is transmitted to the management center 21 as soon as it is input.
[0032]
An abnormal state is automatically transmitted from the management center 21 to the ship holding group 27, and the data transmission interval from the ship 20 is automatically shortened (for example, one minute interval) by setting.
[0033]
The management center 21 automatically transmits the abnormal state to the ship holding group 27, and the data transmission interval from the ship 20 to the ship holding group 27 can be shortened (for example, every one minute).
[0034]
The data server 24 of the management center 21 stores the information of the time, position, and direction of all the ships 20 (when only one GPS positioning device 17 is arranged, the direction information cannot be obtained). When a ship 20 equipped with the system causes a collision accident, it is possible to display the wakes of all the ships 20 on a personal computer of the management center 21 from these information, and to investigate and prove which ship 20 has collided. be able to.
[0035]
In an unmanned vessel 20 such as a barge, the personal computer 19 is not provided, only the protocol converter is provided, and the solar cell is mounted, so that the position, direction, and time data are transmitted to the management center 21, It can be managed by the holding group 27. Thereby, when the barge drifts when the sea condition is bad, the drifting situation can be grasped.
[0036]
【The invention's effect】
According to the present invention, since the position and direction of not only ships belonging to the ship-owning group to which they belong but also ships in other groups can be grasped on the ship side, it is possible to predict the moving direction of the ship and prevent accidents before it occurs. it can. At the same time, unique information for each ship holding group can be added, and operation management of ships for each ship holding group becomes possible.
In the event of an accident, it is possible for the management center to grasp the wake and to identify the ship that caused the accident as a third party.
Only when an abnormality occurs, the data transmission interval can be shortened, which is economical.
[Brief description of the drawings]
FIG. 1 is a system configuration diagram in an embodiment of a ship operation management system of the present invention.
FIG. 2 is an overall view showing a conventional navigational water area management system.
FIG. 3 is a perspective view of the entire work area showing a state where landfill reclamation is performed using the system of FIG. 1;
[Explanation of symbols]
17 GPS positioning device 18 Gyro compass 19 Personal computer 20 Ship 21 Management center 22 Database server 24 Distribution server 25 Distribution server 26 Management personal computer 27 Ship holding group 28 Personal computer 30 Router 31 Base station 33 Router

Claims (13)

Each ship is equipped with one GPS positioning device or two GPS positioning devices or one GPS positioning device, a gyro compass, a personal computer, chart data, and a data communication terminal. PCs and chart data and network equipment are placed in each ship holding group, and the PCs of each ship and the computer system of the management center are communicated with each other so that they can communicate with each other. A ship operation management system in which each of the ship holding groups and the computer system of the management center are in communication with each other so as to be able to communicate with each other. 2. The ship operation according to claim 1, wherein a data server, a personal computer, a ship distribution server and a ship holding group distribution server are arranged, and a computer system that communicates the database server with each distribution server and the management personal computer is arranged at the management center. Management system. 3. The ship operation management system according to claim 1, wherein the personal computer of each ship and the computer system of the management center are connected by LAN through packet communication. 4. The ship operation management system according to claim 1, 2 or 3, wherein the personal computer of each ship holding group and the computer system of the management center are connected by internet or LAN connection by packet communication. 5. The ship operation management system according to claim 1, wherein data communication is possible between a personal computer of each ship and a computer system of the management center via authentication means. 6. The ship operation management system according to claim 1, wherein data communication is possible between a personal computer of each ship holding group and a computer system of the management center via authentication means. The position data, the time data and / or the direction data are transmitted from each ship to the management center computer system, and the position data, time data and / or direction data of all ships are transmitted to the management center computer system. The ship operation management system according to claim 1, 2, 3, 4, 5, or 6, which stores the information. The ship operation management system according to claim 7, wherein the position data, the time data, and / or the direction data of all the ships stored in the computer system of the management center are transmitted to the personal computer of each ship. The ship operation management system according to claim 7 or 8, wherein data on the position, time, and / or direction of each ship belonging to each of the ship holding groups can be received from the computer system of the management center. 10. The ship operation management system according to claim 8, wherein each ship transmits various information defined by each ship holding group. 9. The system according to claim 7, wherein information on occurrence of abnormality is transmitted from each ship, and when the information on occurrence of abnormality is transmitted to the management center, a data transmission interval between the personal computer of the ship and the computer system of the management center is reduced. Ship operation management system. Each ship can transmit information on the occurrence of anomalies, and when the information on the occurrence of anomalies is transmitted to each ship-holding group, give instructions to each ship to shorten the data transmission interval between the personal computer of the ship and the computer system of the management center. 9. The ship operation management system according to claim 7, wherein the information is transmitted from the personal computer of the holding group to the computer system of the management center. 10. The ship according to claim 1, wherein a protocol converter is arranged in place of a personal computer, a solar cell is arranged, and chart data is deleted in each ship. Operation management system.

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