KR102539425B1 - Apparatus and method for updating electronic navigational chart - Google Patents

Abstract

An electronic chart update device and method are disclosed. The electronic chart update method performed by the electronic chart update device according to the present invention includes the steps of receiving an electronic chart file for update and generating version information of the received electronic chart file for update, Transmitting version information to an update agent, receiving a request for the electronic chart file for update from the update agent having received an update command for the electronic chart, and transmitting the electronic chart file for update to the update agent to perform the update and causing the agent to drive the electronic chart file for update.

Description

Electronic chart update device and method {APPARATUS AND METHOD FOR UPDATING ELECTRONIC NAVIGATIONAL CHART}

The present invention relates to a technology for updating electronic charts, and more particularly, to a technology for supporting operating equipment equipped with electronic charts to update electronic charts.

An Electronic Navigational Chart (ENC) is a digital chart created by digitizing all chart information related to the navigation of a ship, such as coastline, contour line, water depth, route indication, and dangerous goods route, displayed on paper charts. It is used for safety and protection of the marine environment.

Electronic charts are produced in accordance with the digital hydrographic data exchange standard (S-57) established by the International Hydrographic Organization (IHO), and hydrographic bureaus of each country are produced in accordance with the standards and production guidelines of the International Hydrographic Organization when producing and producing electronic charts. do.

Electronic charts must be produced according to international standards, and the manufacturing process is complicated, so it is difficult to produce them in a short period of time. The S-57 standard is a standard that describes how to encode and structure channel information, and the S-52 standard is a standard that describes how channel information is expressed in ECDIS. Define the display method for each situation.

Since 2012, electronic charts produced in accordance with International Hydrographic Organization standard S-57 have been encrypted with International Hydrographic Organization standard S-63 and supplied and distributed as CDs. And the update file is supplied by reflecting the contents of the navigation notice (including T&P). If the currently used equipment is unsuitable for the use of an encrypted electronic chart, there is a disadvantage in that the equipment must be replaced or upgraded.

The electronic chart update file can be classified into an electronic chart base file containing electronic charts, an electronic chart update file containing navigation information, and an electronic chart PERMIT'S that can use encrypted electronic charts. A file for electronic chart update may be produced.

Update files distributed on CDs need to be updated manually, and maintenance is difficult because the corresponding user key (User Permit) value must be checked every time to proceed with the update. Therefore, it is necessary to develop a technology that simultaneously manages a plurality of control and operation systems and allows the control and operation systems to maintain electronic charts in an up-to-date state at all times.

Korean Patent Registration No. 10-1631925, published on July 4, 2016 (Name: Marine Multi-Band Network Selection System)

An object of the present invention is to easily manage a plurality of operating systems equipped with electronic charts, and to enable the operating systems to always keep the electronic charts up-to-date.

In addition, an object of the present invention is to facilitate maintenance of the electronic chart by automating the electronic chart update of the operating system.

In addition, an object of the present invention is to separately store user data so that an electronic chart can be updated safely and quickly.

An electronic chart update method performed by an electronic chart update device according to the present invention for achieving the above object includes the steps of receiving an electronic chart file for update and generating version information of the received electronic chart file for update; Transmitting the version information of the electronic chart file for update to the update agent, receiving a request for the electronic chart file for update from the update agent receiving the update command of the electronic chart, and the electronic chart for update to the update agent. and transmitting the file so that the update agent drives the electronic chart file for update.

In addition, the electronic chart update device according to an embodiment of the present invention includes an electronic chart file input unit that receives an electronic chart file for update, a version information generator that generates version information of the received electronic chart file for update, and the generated electronic chart file. The version information of the electronic chart file for update is transmitted to the update agent, the electronic chart file for update is requested from the update agent having received the update command of the electronic chart, and the electronic chart file for update is transmitted to the update agent, , and an update file transmission unit for causing the update agent to drive the electronic chart file for update.

According to the present invention, it is possible to easily manage a plurality of operating systems equipped with electronic charts, and to keep the electronic charts up-to-date at all times.

In addition, according to the present invention, it is possible to facilitate maintenance of the electronic chart by automating the electronic chart update of the operating system.

In addition, according to the present invention, user data can be stored separately, and the electronic chart can be updated safely and quickly.

1 is a diagram schematically illustrating an environment to which an electronic chart updating device according to an embodiment of the present invention is applied.
2 is a block diagram showing the configuration of an electronic chart updating device according to an embodiment of the present invention.
3 is a flowchart illustrating a method for updating an electronic chart according to an embodiment of the present invention.
4 is a diagram for explaining an electronic chart update process in a marine traffic control system according to an embodiment of the present invention.
5 is a flowchart illustrating a method of updating an electronic chart by an update agent according to an embodiment of the present invention.
6 is a block diagram illustrating a computer system according to an embodiment of the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail.

However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in this application, they should not be interpreted in an ideal or excessively formal meaning. don't

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in more detail. In order to facilitate overall understanding in the description of the present invention, the same reference numerals are used for the same components in the drawings, and redundant descriptions of the same components are omitted.

1 is a diagram schematically illustrating an environment to which an electronic chart updating device according to an embodiment of the present invention is applied.

As shown in FIG. 1, the electronic chart update system includes at least one update agent 100 and an electronic chart update device 200, and the update agent 100 is mounted on the control operating system 300 or is operated by control. Communication with system 300 may be performed.

In addition, the update agent 100 may include an electronic chart update software program module, which may serve as an interface for providing update-related information to a user such as a controller or receiving a user's decision.

In addition, the update agent 100 may manage creation information and update information of electronic charts displayed in the control operating system 300 and manage versions of electronic chart files. In addition, the update agent 100 is related to map information for users so that map information for users can be applied even after updating the electronic chart when the controller generates and uses separate map information for users in the control operation system 300. Content can be stored and managed in a separate repository.

The electronic chart update device 200 receives an electronic chart file for update, transmits the electronic chart file for update to one or more update agents 100, and updates the electronic chart loaded in the control operating system 300 through this. can

In addition, the control operation system 300 is equipped with an electronic chart, and the control operation system 300 can receive the latest version of the electronic chart file for update from the electronic chart update device 200 through the update agent 100. In addition, the control operating system 300 may drive mail software to read the received electronic chart file for update.

The control operation system 300 may be a shipping company's operation system that performs simple monitoring or a VTS operation system that performs maritime traffic control.

Hereinafter, the configuration of the electronic chart updating device according to an embodiment of the present invention will be described in more detail with reference to FIG. 2 .

2 is a block diagram showing the configuration of an electronic chart updating device according to an embodiment of the present invention.

The electronic chart update device 200 includes an electronic chart file input unit 210, a version information generator 220, and an update file transmission unit 230.

First, the electronic chart file input unit 210 receives an electronic chart file for update. At this time, the electronic chart file input unit 210 may receive an electronic chart file for update through a CD.

For convenience of description, it has been described that the electronic chart file input unit 210 receives an electronic chart file for update, but it is not limited thereto, and the electronic chart file input unit 210 receives an updated electronic chart file and receives an electronic chart file. Electronic chart files for update can be created from Here, the electronic chart file for update means a file for updating the electronic chart and may be an e-SENC file.

The electronic chart is produced in accordance with International Hydrographic Organization (IHO) standard S-57, encrypted with S-63 and supplied in CD format. In addition, an electronic chart file for update for updating the electronic chart may also be distributed as a CD, and a facility manager may input the CD including the electronic chart file for update into the electronic chart update device 200 .

And the version information generation unit 220 generates version information of the received electronic chart file for update.

The version information generating unit 220 matches and sets user permits and operating system information of all electronic charts, and generates e-SENC data using the setting result. At this time, the version information generation unit 220 may newly match and generate the e-SENC data of the electronic chart file for update from the electronic chart chart according to the user key-operating system number. If the electronic chart updating device 200 has master keys for all user keys, the electronic chart updating device 200 as a server may generate e-SENC data. On the other hand, if the electronic chart update device 200 does not have a master key, the update registration and transmission of the original map CD file are performed in the electronic chart update device 200, and the generation of e-SENC data is performed by the update agent 100. ) may be a structure performed in

In addition, the version information generation unit 220 may create and manage versions of electronic chart files for update. At this time, the version information generating unit 220 is the version of the electronic chart file for update based on the date information of the electronic chart file for update was generated on the CD for distribution of the electronic chart file for update, system time information synchronized with GPS, and the like. information can be generated.

Next, the update file transmission unit 230 transmits the version information of the generated electronic chart file for update to the update agent 100, and receives the electronic chart file for update from the update agent 100 receiving the command to update the electronic chart. be requested

In addition, the update file transmitter 230 transmits the electronic chart file for update corresponding to the request to the update agent 100 . The update file transmission unit 230 may transmit the electronic chart file for update to the update agent 100 so that the update agent 100 drives the electronic chart file for update.

Hereinafter, an electronic chart updating method performed by an electronic chart updating apparatus according to an embodiment of the present invention will be described in detail with reference to FIGS. 3 and 4.

3 is a flow chart for explaining an electronic navigation chart update method according to an embodiment of the present invention, and FIG. 4 is a diagram for explaining an electronic chart update process in a marine traffic control system according to an embodiment of the present invention.

First, the electronic chart update device 200 receives an electronic chart file for update (S310).

At this time, the electronic chart update device 200 may receive an electronic chart file for update stored in a CD, and the electronic chart file for update may be produced according to International Hydrographic Organization (IHO) standard S-57, and S- 63 encrypted.

The electronic chart updating device 200 generates version information of the electronic chart file for data (S320) and transmits the version information of the generated electronic chart file for update to the update agent 100 (S330).

The electronic chart update device 200 may generate version information (server chart version) of the electronic chart file for update based on information on the date the electronic chart file for update was created. At this time, the electronic chart updating device 200 may newly match and generate e-SENC data of an electronic chart file for update from an electronic chart chart according to a user key-operating system number.

In FIG. 4 , the update agent 100 may refer to a control operation system that performs maritime traffic control using at least one of an AIS signal and a radar signal, or may be installed in a control operation system. In addition, the control operation system may mean a control operation display system operated by a controller, a control operation display system operated by a supervising controller, a control operation display system for debriefing, a remote operation system, and the like.

Next, the electronic chart update device 200 receives a request for an electronic chart file for update from the update agent 100 (S340), and transmits the requested electronic chart file for update to the update agent 100 (S350).

The electronic chart update device 200 may receive a request for an electronic chart file for update from the update agent 100 that determines that the electronic chart file needs to be updated. In addition, the electronic chart update device 200 may transmit the electronic chart file for update so that the update agent 100 updates the electronic chart file for update.

At this time, the electronic chart update device 200 may exchange with the update agent 100 after generating an electronic chart file list for update, and transmit/receive it through a secure file transfer protocol (SFTP).

The contents of the update agent 100 receiving version information of the electronic chart file for update, determining whether the electronic chart file needs to be updated, and requesting the electronic chart file for update will be described in more detail with reference to FIG. 5 to be described later. do.

Hereinafter, an electronic chart update process of an update agent according to an embodiment of the present invention will be described in detail with reference to FIG. 5 .

5 is a flowchart illustrating a method of updating an electronic chart by an update agent according to an embodiment of the present invention.

First, the update agent 100 creates a secure session (S510) and checks whether a secure channel is created (S520). If the secure channel is not normally created, the update agent 100 may request chart recovery (S530) and perform chart recovery (S535).

The electronic chart update device 200 according to an embodiment of the present invention is a control operation system equipped with a user key (User Permit) and an electronic chart before transmitting the electronic chart to prevent an attack by an outside intruder when the electronic chart is transmitted. A process of generating a security key by combining the ID of (300), encrypting the generated security key with a session key, and exchanging the generated security key may be further performed.

On the other hand, when the secure channel is normally created, the update agent 100 requests the server chart version from the electronic chart update device 200 and receives the server chart version from the electronic chart update device 200 (S540).

Here, the server chart version (VCUS_ChartVersion) means version information of the electronic chart file for update held by the electronic chart update device 200, and when the update agent 100 requests the server chart version (VCUS_ChartVersionRequest), the electronic chart update device (200) may generate version information of an electronic chart file for update and transmit it to the update agent (100).

Then, the update agent 100 transmits the VTOS chart version to the electronic chart update device 200 (S550).

Upon receiving the server chart version (VCUS_ChartVersion), the update agent 100 may transmit the VTS operating system chart version (VTOS_ChartVersion) to the electronic chart update device 200. At this time, the update agent 100 may transmit the VTOS chart version as a response (VCUS_ChartVersionResponse) to the server chart version request. In this way, the electronic chart updating device 200 and the update agent 100 may perform mutual information exchange through steps S540 and S550 of FIG. 5 .

Further, the update agent 100 determines whether an electronic chart needs to be updated based on the transmitted/received chart version (S560).

The update agent 100 compares the server chart version (VCUS_ChartVersion) corresponding to the version information of the electronic chart file for update and the VTOS chart version (VTOS_ChartVersion) corresponding to the version information of the electronic chart preloaded in the VTS operating system, It is possible to determine whether an update of the version is required.

In this case, the update agent 100 may determine that the electronic chart needs to be updated when the server chart version and the VTOS chart version are different. On the other hand, if it is determined that the update of the electronic chart is unnecessary, the update agent 100 may terminate the update process of FIG. 5 .

In addition, when the update agent 100 determines that an update is necessary, it may receive an input from a user such as a controller as to whether or not to perform the update, and may update the electronic chart immediately or later according to the user's input.

If it is determined that the update is necessary (S560 Yes), the update agent 100 downloads the server chart to the temporary folder (S570) and moves the VTOS chart to the backup folder (S580). In addition, the update agent 100 may notify completion of chart download (S590).

In addition, the update agent 100 moves and stores the VTOS chart, which is an existing electronic chart file, to a backup folder (formerly electronic chart storage), which is a separate safe storage, and then the electronic chart file for updating with the electronic chart update device 200 can request In addition, the update agent 100 may receive an electronic chart file for update corresponding to a request from the electronic chart update device 200 .

At this time, the update agent 100 may request an electronic chart file for update corresponding to the server chart and download the electronic chart file for update corresponding to the server chart to a temporary folder.

Further, the update agent 100 may move the VTOS chart previously loaded in the VTS operating system to a backup folder when the download of the electronic chart file for update corresponding to the server chart is completed. In addition, the update agent 100 may move the downloaded electronic chart file for update to the VTOS chart folder of the VTS operating system and notify server chart download completion (VCUS_ChartDownloadComplete).

At this time, the update agent 100 and the electronic chart update device 200 exchange and check the electronic chart file list, and when the check of the electronic chart file list is completed, the user may be notified of the end of the update.

On the other hand, if the download of the electronic chart file for update is not normally terminated, the update agent 100 may notify a chart download error (VCUS_ChartDownloadError) and terminate the process shown in FIG. 5 .

In addition, the update agent 100 can read the electronic chart file for update by driving the mail software of the VTS operating system. In the process of reading the electronic chart file for update or if an error occurs during the update process, the update agent 100 notifies the occurrence of the error and moves the VTOS chart in the backup folder to the VTOS chart folder of the VTS operating system to perform recovery. there is.

6 is a block diagram illustrating a computer system according to an embodiment of the present invention.

Referring to FIG. 6 , an embodiment of the present invention may be implemented in a computer system 600 such as a computer-readable recording medium. As shown in FIG. 6, a computer system 600 includes one or more processors 610, memory 630, user interface input devices 640, and user interface output devices 650 communicating with each other via a bus 620. and storage 660 . In addition, computer system 600 may further include a network interface 670 coupled to network 680 . The processor 610 may be a central processing unit or a semiconductor device that executes processing instructions stored in the memory 630 or the storage 660 . Memory 630 and storage 660 may be various types of volatile or non-volatile storage media. For example, the memory may include ROM 631 or RAM 632 .

Accordingly, embodiments of the present invention may be implemented as a computer-implemented method or a non-transitory computer-readable medium in which instructions executable by the computer are recorded. When executed by a processor, the computer readable instructions may perform a method according to at least one aspect of the present invention.

As described above, the electronic chart updating device and method according to the present invention are not limited to the configuration and method of the embodiments described above, but the above embodiments are of the respective embodiments so that various modifications can be made. All or part of them may be selectively combined.

100: update agent 200: electronic chart update device
210: electronic chart file input unit 220: version information generation unit
230: update file transmission unit 300: control operation system
600 computer system 610 processor
620: bus 630: memory
631: Rom 632: RAM
640: user interface input device
650: user interface output device
660: storage 670: network interface
680: network

Claims (10)

In the electronic chart update method performed by the electronic chart update device,
Receiving an electronic chart file for update and generating version information of the received electronic chart file for update;
Transmitting version information of the electronic chart file for update to an update agent;
Receiving a request for the electronic chart file for the update from the update agent receiving the update command of the electronic chart, and
Transmitting the electronic chart file for update to the update agent, and causing the update agent to drive the electronic chart file for update,
The electronic chart update device and the update agent
In a secure channel created based on a secure session, the version information is transmitted and received using a secure file transfer protocol (SECURE FILE TRANSFER PROTOCOL, SFTP), but if the secure channel is not normally created, the update agent updates the electronic chart request chart recovery to the device;
The update agent
In order to update the decrypted electronic chart loaded in the control operating system in conjunction with the control operating system that decrypts and loads the electronic chart encrypted by international standards, the electronic chart file for the update is provided, based on the secure channel An electronic chart update method characterized in that it corresponds to a security secured module that provides an electronic chart file for update and performs an update. The method of claim 1,
The sending step is
generating, by the electronic chart updating device, an electronic chart file list for update including the version information and transmitting the list to the update agent; and
Electronic chart update comprising the step of receiving, by the electronic chart update device, a chart version of an operating system using an electronic chart generated based on the electronic chart file list for update or a user terminal device from the update agent. method. The method of claim 2,
The update agent
The method of updating the electronic chart, characterized in that by comparing the version information with a chart version being used in a system using the electronic chart, checking an update state of the electronic chart, and determining whether to update the electronic chart. The method of claim 1,
The version information
The method of updating the electronic chart, characterized in that the electronic chart file for update is generated based on at least one of generation date information and system time information synchronized with GPS. The method of claim 1,
The electronic chart file for the update is
An electronic chart update method characterized in that it corresponds to data encoded according to S-57, an International Hydrographic Organization (IHO) standard, and encrypted with S63, an International Hydrographic Organization standard. The method of claim 1,
The electronic chart file for the update is
An electronic chart update method, characterized in that encrypted with a security key generated by combining a user key (USER PERMIT) and an ID of a control operating system equipped with an electronic chart and transmitted to the update agent. delete The method of claim 3,
The update agent
The electronic chart file for update is applied to the system using the electronic chart, but the existing chart data stored in the backup folder is generated when an error occurs during the transmission/reception process and the update process of the electronic chart file for update applied to the system using the electronic chart. An electronic chart update method characterized in that the system using the electronic chart is restored to the original electronic chart by using. The method of claim 8,
The electronic chart file for the update is
An electronic chart update method characterized in that it is generated based on a result set by matching information corresponding to a user key (USER PERMIT) of all electronic charts and a VTS operating system. An electronic chart file input unit that receives an electronic chart file for update,
A version information generation unit for generating version information of the received electronic chart file for update, and
The version information of the created electronic chart file for update is transmitted to the update agent, and the electronic chart file for update is transmitted to the update agent that has received the command to update the electronic chart, so that the update agent can transmit the electronic chart file for update. Including an update file transmission unit for updating using
The update file transmission unit
In order to proceed after checking whether the current update is up to date based on the version information, the latest update status of the electronic chart is checked and updated, and a secure file transfer protocol (SECURE FILE TRANSFER PROTOCOL, SFTP) to transmit and receive the version information to and from the update agent, but to receive a chart recovery request from the update agent when the secure channel is not normally created,
The update agent
In order to update the decrypted electronic chart loaded in the control operating system in conjunction with the control operating system that decrypts and loads the electronic chart encrypted by international standards, the electronic chart file for the update is provided, based on the secure channel An electronic chart update device, characterized in that it corresponds to a security secured module that provides an electronic chart file for update and performs an update.

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