CN113129645B - Monitoring system for AIS equipment specification - Google Patents
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- CN113129645B CN113129645B CN202110328377.XA CN202110328377A CN113129645B CN 113129645 B CN113129645 B CN 113129645B CN 202110328377 A CN202110328377 A CN 202110328377A CN 113129645 B CN113129645 B CN 113129645B
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Abstract
The invention provides a supervision system for AIS equipment specification, which comprises a track storage unit, an area distribution unit and area detection units, wherein the area detection units respectively correspond to detection areas; the track storage unit is used for adding the received AIS data of each ship to the prestored track data of the corresponding ship; the area distribution unit is used for distributing the received AIS data to the area detection unit of the corresponding detection area; each area detection unit is used for acquiring the distributed AIS data corresponding to the track data of the ship from the track storage unit and carrying out abnormity detection based on the distributed AIS data and the track data thereof. The system provided by the invention realizes intelligent screening of abnormal ships, solves the problems of high difficulty, single supervision mode and the like of the maritime law enforcement officers in supervision of illegal and illegal ships, can process massive AIS data, and can obviously improve the problem of poor performance in processing the massive data under the condition of large area range.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a supervision system for AIS equipment specification.
Background
Since 2010, shipborne AIS (Automatic Identification System) equipment is one of supervision works of marine management institutions, but at the present stage, the installation and the use of the AIS equipment of coastal navigation and inland river small ships in China are not standardized, the quality of crew is uneven, the English communication capacity is insufficient, and particularly, the marine traffic safety is greatly influenced in a dense ship area; however, law enforcement personnel have certain difficulty in supervising illegal behaviors of the ships in the conventional inspection process, and are particularly difficult to supervise when the weather conditions are bad, the visibility is low, and information such as ship names cannot be acquired.
At present, an AIS equipment detector is generally adopted to supervise illegal ships. The AIS equipment detector can analyze AIS dynamic and static information and voyage information to realize supervision by receiving signals sent by AIS equipment, but the detection product cannot intelligently analyze detected data, needs to be brought back to an office place for manual analysis and comparison, and has large supervision manpower consumption; in addition, the application range is limited, and ships in a large area cannot be effectively supervised.
Disclosure of Invention
The invention provides a supervision system for AIS equipment specification, which is used for overcoming the defects that supervision manpower consumption is large and ships in a large-range area cannot be supervised in the prior art, and realizing intelligent detection of abnormal ships and improvement of mass data processing efficiency.
The invention provides a supervision system for AIS equipment specification, which comprises a track storage unit, an area distribution unit and area detection units, wherein the area detection units respectively correspond to detection areas;
the track storage unit is used for adding the received AIS data of each ship to the pre-stored track data of the corresponding ship;
the area distribution unit is used for distributing the received AIS data to the area detection unit of the corresponding detection area;
each area detection unit is used for acquiring the distributed AIS data corresponding to the track data of the ship from the track storage unit and carrying out abnormity detection based on the distributed AIS data and the track data thereof.
According to the monitoring system used by the AIS equipment specification, the area distribution unit is internally provided with the area registration information of each area detection unit;
the area distribution unit is specifically configured to:
determining a home region of the received AIS data;
and based on the area registration information of each area detection unit, selecting an area detection unit corresponding to the attribution area as a target area detection unit, and sending the received AIS data to the target area detection unit.
According to the monitoring system used by the AIS equipment specification provided by the present invention, the area detection unit is further configured to:
receiving a region dividing instruction, wherein the region dividing instruction is used for indicating a detection region of a corresponding region detection unit;
and generating the area registration information based on the detection area, and sending the area registration information to the area distribution unit.
According to the monitoring system used by the AIS equipment specification, the system also comprises an area dividing unit;
the area dividing unit is used for adjusting the detection area of each area detection unit based on the abnormal detection calculated amount of each area detection unit, generating the area dividing instruction and sending the area dividing instruction to the corresponding area detection unit.
According to the supervision system used by the AIS equipment specification provided by the invention, the area detection unit comprises:
the track extraction subunit is used for acquiring the track data of the ship corresponding to the distributed AIS data from the track storage unit;
the file extraction subunit is used for acquiring the distributed AIS data corresponding to the file data of the ship;
and the abnormality detection subunit is used for carrying out abnormality detection on the basis of the distributed AIS data and the corresponding track data and archive data.
According to the monitoring system used by the AIS equipment specification provided by the present invention, the anomaly detection subunit is specifically configured to:
and carrying out anomaly detection based on the current position data in the distributed AIS data and the corresponding track data and the file data.
According to the monitoring system used by the AIS equipment specification provided by the present invention, the anomaly detection subunit is further configured to:
and if the abnormality of any ship is detected, recording the abnormal behavior of any ship to obtain abnormal information.
According to the monitoring system used by the AIS equipment specification, the track storage unit is internally provided with a distributed storage structure, and the distributed storage structure is used for storing track data of each ship.
According to the monitoring system used by the AIS equipment specification, the system also comprises an alarm display unit;
and the alarm display unit is used for acquiring abnormal information from the area detection unit if the area detection unit detects the abnormality, displaying the abnormal information and sending alarm information.
According to the monitoring system used by the AIS equipment specification provided by the present invention, the track storage unit is specifically configured to:
carrying out data cleaning on the received AIS data of each ship to obtain position data of each ship;
and adding the position data to the pre-stored track data of the corresponding ship.
According to the monitoring system for AIS equipment specification, abnormal ships can be intelligently screened out by processing and analyzing the ship AIS data, the problems that the supervision difficulty of the law-breaking illegal ships is high, the supervision mode is single and the like of the law enforcement officers are solved, and the AIS data are processed in a distributed mode according to each detection area, so that not only can mass AIS data be processed, but also the problem that the mass data processing performance is poor under the condition of a large area range can be obviously improved. In addition, the system can also improve the pertinence and efficiency of the maritime affairs management organization to illegal and illegal ship law enforcement, improve the AIS data quality and improve the problem of water traffic safety.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a supervisory system used by an AIS equipment specification provided by an embodiment of the present invention;
fig. 2 is a schematic flow diagram of a monitoring system used by AIS equipment specification according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, the ship supervision technology mainly adopts an AIS equipment detector, namely the AIS equipment detector receives signals sent by AIS equipment so as to analyze AIS dynamic and static information and voyage information to realize supervision, but the AIS equipment detector needs to be brought back to an office place for manual analysis and comparison, and the supervision manpower consumption is high; and the application range is also limited, and the ships in a large range area cannot be effectively supervised. Therefore, how to realize the automatic intelligent analysis and processing of the signals sent by the AIS equipment and effectively supervise the ships in a large-scale area still is a problem to be solved urgently in the field of ship supervision.
In view of the above, an embodiment of the present invention provides a monitoring system for AIS equipment specification. Fig. 1 is a schematic structural diagram of a monitoring system used in AIS equipment specification according to an embodiment of the present invention, and as shown in fig. 1, the system includes a track storage unit 110, an area distribution unit 120, and an area detection unit 130 corresponding to each detection area respectively;
the trajectory storage unit 110 is configured to add the received AIS data of each ship to trajectory data of a corresponding ship stored in advance;
the area distribution unit 120 is configured to distribute the received AIS data to an area detection unit corresponding to the detection area;
each area detection unit 130 is configured to acquire the distributed AIS data from the track storage unit, and perform anomaly detection based on the distributed AIS data and the track data thereof.
Here, the AIS data may include dynamic information and static information of the ship, and the static information of the ship may include at least one of MMSI (Maritime Mobile Service identity), IMO (International Maritime Organization) number, ship name, call sign, ship length, ship width, and the like. Each shipborne AIS equipment broadcasts out respective AIS data in a message mode, and on the basis, the AIS data can be collected and integrated by a shore base, a satellite or other equipment capable of receiving the AIS data and are dynamically forwarded in real time, so that data support is provided for supervision and management of ships.
Specifically, considering that when ships in a large area need to be supervised, the AIS data volume to be processed is large at this time, and the processing performance is slow, in view of this problem, in the embodiment of the present invention, the area range to which each ship belongs is divided into each detection area, an area detection unit is configured for each detection area, and the area distribution unit is responsible for distributing the received real-time AIS data to the area detection units of each detection area corresponding to the AIS data, so that distributed processing of the AIS data according to areas is implemented.
Here, each ship may be a ship in the global scope, a ship in a certain harbor area, or a ship in another area where a user pays attention to, and the embodiment of the present invention is not particularly limited to this. In addition, the dividing method of the area range to which each ship belongs in the embodiments of the present invention is not particularly limited, and may be, for example, dividing by a user-defined area range, dividing by a designated port area, dividing by a natural area, dividing by a calculated amount of the received AIS data, or the like. Therefore, the system not only supports the function of the area range appointed by the user in a self-adaptive manner, can meet the requirement that a supervision unit only cares about ships in the area under jurisdiction, but also combines the reality, and breaks the performance bottleneck of single-machine analysis service.
In addition, considering that the detection of the abnormal behavior of the ship needs to be analyzed based on the historical track data of the ship, the track storage unit in the embodiment of the present invention stores the historical track data of each ship in advance, and after receiving new AIS data of each ship, adds the AIS data of each ship to the track data of the corresponding ship stored in advance, respectively, to obtain each ship track data after incremental storage.
After receiving the AIS data distributed by each area detection unit, acquiring the track data of the ship corresponding to the distributed AIS data from the track storage unit, and then performing anomaly detection on the ship corresponding to the distributed AIS data according to the distributed AIS data and the acquired track data, so that the area detection units only process the data of the corresponding detection area, the processing efficiency of mass data can be remarkably improved, and the problems that the abnormal ship behaviors cannot be timely mined and generated due to the large AIS data amount and limited analysis and calculation performance are solved.
Here, the abnormal type of the ship is not specifically limited in the embodiments of the present invention, and may be, for example, that the static information and the file of the ship are inconsistent, the AIS device is closed without authorization, the AIS device is "one ship with multiple codes", "one code with multiple ships", the ship-to-ship behavior, the smuggling behavior, the entering and exiting of a sensitive area, and the like. For different ship abnormal types, the embodiment of the invention sets a corresponding abnormal detection method, for example, when the AIS equipment needs to be closed without authorization, the adopted method is as follows: firstly, whether the AIS signal can be received in the current time interval is analyzed in combination with time, if the AIS signal is not received for a long time, the fact that the ship stops the AIS equipment without permission is judged, abnormal behaviors of the AIS equipment are recorded, then a big data technology is used, and whether the situation that the ship closes the AIS equipment without permission in a specific area exists is analyzed in combination with prestored historical data, so that the conclusion that whether the ship closes the AIS equipment without permission is obtained through comprehensive analysis.
The system provided by the embodiment of the invention can realize intelligent screening of abnormal ships by processing and analyzing the ship AIS data, solves the problems of high supervision difficulty, single supervision mode and the like of the illegal and illegal ships by the maritime law enforcement officers, and can process mass AIS data and obviously improve the problem of poor performance of processing mass data under the condition of large area range by processing the AIS data in a distributed manner according to each detection area. In addition, the area detection units corresponding to the detection areas are deployed and configured, and the area detection units can be added and deleted at any time in the mode, so that the expansion is dynamically realized, and the method is more flexible and convenient. Foreseeable, through using this system, can improve marine management to the pertinence and the efficiency of illegal and offending boats and ships law enforcement, improve AIS data quality, improve the traffic safety problem on water.
Based on any of the above embodiments, the area distribution unit 120 embeds the area registration information of each area detection unit 130;
the area distribution unit 120 is specifically configured to:
determining a home region of the received AIS data;
based on the area registration information of each area detection unit, selecting an area detection unit corresponding to the attribution area as a target area detection unit, and sending the received AIS data to the target area detection unit.
Here, the area registration information of each area detecting unit may be obtained by performing communication registration in advance with the area distributing unit by each area detecting unit, and the area registration information is used to represent the detection area of the corresponding area detecting unit. The target area detection unit may be one or more, and this is not particularly limited in the embodiment of the present invention.
Specifically, after receiving the AIS data, the area distribution unit needs to be responsible for distributing the AIS data to the area detection units of the detection areas corresponding to the AIS data, and the distribution may specifically be implemented by the following steps: firstly, determining the attribution area of the ship corresponding to the received AIS data; and then, according to the area registration information of each area detection unit built in the area distribution unit, selecting the area detection unit corresponding to the attribution area as the target area detection unit, and on the basis, sending the received AIS data to the target area detection unit. According to the system provided by the embodiment of the invention, the AIS data is distributed to each area detection unit through the area distribution unit based on the area registration information of each built-in area detection unit and the attribution area of the received AIS data, so that the AIS data is accurately distributed, and data support is provided for the subsequent area detection units to perform abnormity detection.
Based on any of the above embodiments, the area detection unit 130 is further configured to:
receiving a region dividing instruction, wherein the region dividing instruction is used for indicating a detection region corresponding to a region detection unit;
area registration information is generated based on the detection area, and the area registration information is transmitted to an area distribution unit.
Specifically, in order for the area dividing unit to accurately distribute the AIS data to the corresponding area detecting units, each area detecting unit further needs to determine a detection area corresponding to the area detecting unit according to the received area dividing instruction, then generate area registration information according to the detection area, and send the area registration information to the area distributing unit, so that the area distributing unit distributes the data according to the corresponding registration information when processing the AIS data. The area dividing instruction may be directly input by a user, or may be generated by the system according to the calculated amount of the AIS data, which is not specifically limited in the embodiment of the present invention.
Based on any of the above embodiments, the system further comprises an area dividing unit;
the area dividing unit is used for adjusting the detection area of each area detection unit based on the abnormal detection calculation amount of each area detection unit, generating an area dividing instruction and sending the area dividing instruction to the corresponding area detection unit.
Specifically, considering that the AIS data distributed by each area detection unit may have unbalanced data amount, and the abnormal detection calculation amount of each area detection unit may also have difference, so that the processing speed of the individual area detection unit is slow, and the problem of slow processing performance for mass data is still not completely solved.
According to the system provided by the embodiment of the invention, the detection area size of each area detection unit is intelligently configured by analyzing and counting the density of the ship AIS data, so that the problem of unbalanced data processing amount of different area detection units under the condition of large area range needing to be supervised is solved, and the processing efficiency of analyzing and processing mass AIS data is further improved. And the area division unit evaluates the processing data, allocates a reasonable area range and provides support for subsequently configuring the area detection unit.
Based on any of the above embodiments, the area detection unit 130 includes:
the track extraction subunit is used for acquiring the distributed AIS data corresponding to the track data of the ship from the track storage unit;
the file extraction subunit is used for acquiring the distributed AIS data corresponding to the file data of the ship;
and the abnormality detection subunit is used for carrying out abnormality detection on the basis of the distributed AIS data and the track data and the archive data thereof.
Specifically, after the area detection units corresponding to the detection areas receive the distributed AIS data, the track extraction subunit included in the area detection units acquires the track data of the ships corresponding to the distributed AIS data from the track storage unit, and meanwhile, the archive extraction subunit acquires archive data of the ships corresponding to the distributed AIS data.
Based on any embodiment, the track storage unit is internally provided with a distributed storage structure, and the distributed storage structure is used for storing track data of each ship.
In particular, considering that distributed storage can share storage load with a plurality of storage servers, and has the advantages of improving the reliability and the access efficiency of the system, the track storage unit in the embodiment of the invention is internally provided with the distributed storage structure, and the track data of each ship is stored in a distributed manner through the distributed storage structure, so that the reliability of the track data of each ship is ensured.
Based on any of the above embodiments, the anomaly detection subunit is specifically configured to:
and carrying out anomaly detection based on the current position data in the distributed AIS data and the corresponding track data and archive data.
Specifically, in consideration of the fact that the AIS data is accessed to the track storage unit and then the data is acquired from the track storage unit for distribution, the real-time performance of the AIS data is affected, therefore, in this embodiment, the AIS data is directly accessed to the area distribution unit in addition to the track storage unit, and after the abnormality detection subunit receives the AIS data distributed by the area distribution unit in real time, the current position data of the ship included in the distributed AIS data can be acquired. Then, according to the current position data of the ship, the corresponding track data and the corresponding archive data, abnormality detection is performed on the ship corresponding to the distributed AIS data, for example, by combining the current position data and time analysis of the ship, if it is detected that two different AIS data are sent at the same position in the same time interval for a long time, it can be determined that the type of the abnormality of the ship is that two AIS devices are installed on the same ship, that is, "one ship has multiple codes".
According to the system provided by the embodiment of the invention, the position data, the corresponding track data and the corresponding archive data are intelligently analyzed based on the big data, so that the abnormal behavior of the ship is automatically identified, and most illegal and illegal problems of the existing ship can be identified by combining the three data for analysis.
Based on any of the above embodiments, the abnormality detection subunit is further configured to:
and if the abnormality of any ship is detected, recording the abnormal behavior of any ship to obtain abnormal information.
Specifically, in order to provide data support for a subsequent alarm display unit, the abnormality detection subunit in the embodiment of the present invention records the detected abnormal behavior of the abnormal ship, so that the abnormal information of the abnormal ship can be obtained by collecting the recorded abnormal behaviors. The recorded abnormal information can be customized according to user requirements, and can be information such as the current position of the ship, the current navigational speed, detection records, abnormal behaviors, historical track information, online conditions of the ship AIS equipment in a period of time and the like.
Based on any of the above embodiments, the system further comprises an alarm display unit;
and the alarm display unit is used for acquiring abnormal information from the area detection unit if the area detection unit detects the abnormality, displaying the abnormal information and sending alarm information.
Specifically, when any one or more area detection units detect an abnormality, the abnormality information of the ship can be acquired from the area detection unit, the abnormality information is visually displayed through a website or other forms, and warning information is sent out to prompt law enforcement personnel to process the abnormal ship.
Further, the warning information may be specifically sent by the abnormal ship warning device after receiving the abnormal information. After the warning information is received by the law enforcement officer, the abnormal information such as the position information of the abnormal ship and the illegal violation reason can be checked on the user interface, and the abnormal information of the abnormal detection subunit can also be directly acquired, so that the abnormal ship can be confirmed and processed in a targeted manner, the abnormal behavior discovered by the abnormal detection subunit is adjusted and confirmed, the law enforcement officer can use the warning information more conveniently, and the law enforcement officer is assisted to check and place more accurately and efficiently.
According to the system provided by the embodiment of the invention, the abnormal information found by the area detection unit is visually displayed, so that a user can more conveniently and intuitively know the abnormal ship information. Moreover, the system realizes full automation from the analysis of the collected data to the alarm sending, thereby greatly reducing the labor cost.
Based on any of the above embodiments, the trajectory storage unit 110 is specifically configured to:
carrying out data cleaning on the received AIS data of each ship to obtain position data of each ship;
the position data is added to the pre-stored trajectory data of the corresponding vessel.
Specifically, the track storage unit receives AIS data of each ship in real time, and performs data cleaning and integration on the received AIS data through track service to obtain position data of each ship. And then, adding the position data of each ship to the prestored track data of the corresponding ship respectively to finally obtain the incrementally stored track data of each ship.
Based on any of the above embodiments, as shown in fig. 2, the monitoring system used by the AIS equipment specification provided in the embodiments of the present invention includes area detection units corresponding to the detection areas, each detection area is divided by an area division unit, and the specific flow of the monitoring system used by the AIS equipment specification is as follows:
the AIS data of each ship is accessed into the system;
carrying out data cleaning on the received AIS data of each ship to obtain position data of each ship, and inputting the position data into a track distributed storage structure to carry out incremental storage on track data of the corresponding ship stored in advance;
in order to ensure the real-time performance of AIS data transmission, the received AIS data is distributed to the area detection unit of the corresponding detection area through the area distribution unit;
and each area detection unit carries out anomaly detection according to the current position data in the distributed AIS data, and the track data and the archive data of the corresponding ship to obtain the automatically identified ship abnormal behavior.
It should be noted that, in order to avoid redundancy, only one of the area detection units is described in detail in fig. 2.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A supervision system used by AIS equipment specifications is characterized by comprising a track storage unit, an area distribution unit and area detection units respectively corresponding to detection areas; each detection area is obtained by dividing the area range of each ship;
the track storage unit is used for adding the received AIS data of each ship to the pre-stored track data of the corresponding ship;
the area distribution unit is used for distributing the received AIS data to the area detection unit of the corresponding detection area;
each area detection unit is used for acquiring the distributed AIS data corresponding to the track data of the ship from the track storage unit and carrying out anomaly detection based on the distributed AIS data and the track data thereof;
the device also comprises an area dividing unit;
the area dividing unit is used for adjusting the detection area of each area detection unit based on the abnormal detection calculated amount of each area detection unit;
the area distribution unit is internally provided with area registration information of each area detection unit;
the area distribution unit is specifically configured to:
determining a home region of the received AIS data;
based on the area registration information of each area detection unit, selecting an area detection unit corresponding to the attribution area as a target area detection unit, and sending the received AIS data to the target area detection unit;
the region detection unit is further configured to:
receiving a region dividing instruction, wherein the region dividing instruction is used for indicating a detection region of a corresponding region detection unit;
and generating the area registration information based on the detection area, and sending the area registration information to the area distribution unit.
2. The AIS equipment specification use supervision system according to claim 1 wherein the zone partitioning unit is further configured to generate the zone partitioning instruction to send to a corresponding zone detection unit.
3. The supervision system for AIS equipment specification use according to claim 1 or 2, characterized in that the area detection unit comprises:
the track extraction subunit is used for acquiring the track data of the ship corresponding to the distributed AIS data from the track storage unit;
the file extraction subunit is used for acquiring the distributed AIS data corresponding to the file data of the ship;
and the abnormality detection subunit is used for carrying out abnormality detection on the basis of the distributed AIS data and the corresponding track data and archive data.
4. The supervision system for AIS equipment specification use according to claim 3 wherein the anomaly detection subunit is specifically configured to:
and carrying out anomaly detection based on the current position data in the distributed AIS data and the corresponding track data and archive data.
5. The regulatory system for AIS equipment specification use of claim 3, wherein the anomaly detection subunit is further configured to:
and if the abnormality of any ship is detected, recording the abnormal behavior of any ship to obtain abnormal information.
6. The surveillance system for AIS equipment specification use according to claim 1 or 2, wherein the trajectory storage unit houses a distributed storage structure for storing trajectory data for each vessel.
7. The monitoring system for AIS equipment specification use according to claim 1 or 2, further comprising an alarm presentation unit;
and the alarm display unit is used for acquiring abnormal information from the area detection unit if the area detection unit detects the abnormality, displaying the abnormal information and sending alarm information.
8. The supervision system for AIS equipment specification use according to claim 1 or 2, wherein the trajectory storage unit is specifically configured to:
carrying out data cleaning on the received AIS data of each ship to obtain position data of each ship;
and adding the position data to the pre-stored track data of the corresponding ship.
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