CN113256146B - Ship supervision method and system - Google Patents
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Abstract
The invention discloses a ship supervision method and a system, which relate to the technical field of ship navigation management, and comprise the following steps: acquiring a GIS map of a supervision water area and information of each port; acquiring real-time geographic coordinates of each ship, and acquiring running information of a geographic coordinate sending device preset in the ship; tracking the real-time geographic coordinates of the ship to obtain a voyage track of the ship; constructing a route model according to the historical voyage track, and determining a main route between any two ports according to a preset overlap ratio preselection condition; acquiring identity information and credit information of a ship and crews thereof, forecast customs information and operation information of each voyage, and generating a ship file; acquiring a current voyage track, and performing deviation early warning; the forecast information comprises manifest information and start and end positions. This application has the better effect that satisfies boats and ships supervision demand.
Description
Technical Field
The application relates to the technical field of ship navigation management, in particular to a ship supervision method and system.
Background
For regions where shipping is conditional, the cost of transporting goods by ship is relatively low, and shipping becomes an important part of trade transportation.
For offshore non-transoceanic transport, for example: from hong Kong to Zhongshan, small ships are mostly needed. At present, China has a huge number of small ship groups, so that the reasonable and efficient supervision of the small ship groups is very important.
In the actual supervision process, only rely on the small-size boats and ships to voluntarily berth and supervise the station and handle relevant procedure midway, to the conventional supervision mode of the routine spot check of the small-size boats and ships of berthing, can't satisfy the demand of actual supervision far away, be difficult to take precautions against and restrain the activity of smuggling of the small-size boats and ships in certain waters comprehensively, propose a new technical scheme for this application.
Disclosure of Invention
In order to better meet the requirement of ship supervision and assist relevant units in fighting smuggling activities, the application provides a ship supervision method and a ship supervision system.
In a first aspect, the present application provides a ship supervision method, which adopts the following technical scheme:
a method of vessel surveillance, comprising:
acquiring a GIS map of a supervision water area and information of each port;
acquiring real-time geographic coordinates of each ship, and acquiring running information of a geographic coordinate sending device preset in the ship;
tracking the real-time geographic coordinates of the ship to obtain a voyage track of the ship;
constructing a route model according to the historical voyage track, and determining a main route between any two ports according to a preset overlap ratio preselection condition;
acquiring identity information and credit information of a ship and crews thereof, forecast customs information and operation information of each voyage, and generating a ship file; and the number of the first and second groups,
acquiring a current voyage track, and performing deviation early warning;
the forecast information comprises manifest information and starting and ending positions;
the departure warning includes:
obtaining a pre-selected main channel of the current voyage number from all main channels according to forecast information;
comparing the current voyage track with a preselected main channel, judging whether the current voyage track deviates from the channel and exceeds a preset deviation threshold value, and if so, judging that the ship to which the current track belongs is a B-type ship; and the number of the first and second groups,
and sending early warning prompts to interactive terminals of ships, crews of the ships and supervision units, and recording all information of the current voyage number to be included in the ship files.
Optionally, the method further includes:
acquiring a site identification code, a geographic coordinate and a ship declaration area of each midway station of a supervised water area to generate site information;
when the real-time geographic coordinates of the ship are placed in a ship declaration area of certain station information, judging whether the ship declaration area is in a forecast state, and if so, sending a spot check-free prompt to an interactive terminal of a midway station; and if not, sending a prompt of waiting for spot inspection to an interactive terminal of the ship.
Optionally, the method further includes:
when the real-time geographic coordinates of the ship are separated from the preset berthing areas of all ports, judging whether forecast records of the current voyage number are received/acquired, if not, judging that D-type behaviors exist, and tracking;
the time from the departure of the ship with the D-type behavior from the port to the re-entry of the ship into a preset parking area of one port is an inspection time period T1, and if the inspection time period T1 does not receive spot check confirmation information sent by a midway station or port, the ship is judged as the D1-type ship and recorded in a ship file; if the spot check confirmation information is received in the inspection period T1, the ship is judged to be a type C ship and recorded in the ship file.
Optionally, the method further includes:
acquiring ship speed information, and recording a ship file by combining the voyage times;
tracking communication abnormity, customs declaration abnormity and midway station spot check abnormity of a geographic coordinate sending device of each ship, generating abnormity warning records when the ship speed is 0 and the position of the ship speed is generated in a non-port parking area and a midway station ship declaration area, and recording the abnormity warning records into ship files;
the departure warning further includes:
calling ship files of the class B ships, comparing the ship files with abnormal warning records of other ships, extracting common characteristics, and generating prediction information according to a preset analysis method I;
and the prediction information is sent to an interactive terminal of a supervision unit.
Optionally, the method further includes:
when the ship has a '0' navigational speed in a non-preset berthing area and a ship declaration area, judging to be in berthing, and sending a berthing warning message to an interactive terminal of a supervision unit;
a ship file of a ship to be shut down is transferred to obtain historical warning information; and the number of the first and second groups,
and marking the navigation stop warning position distribution on the GIS map according to the historical warning information, and sending an early warning prompt to an interactive terminal of a supervision unit when the ship approaches a historical navigation stop area.
Optionally, the geographic coordinate sending apparatus includes: after acquiring the ship starting information, the geographic coordinate information of the ship is not received;
the method further comprises the following steps: and marking communication abnormal position distribution on a GIS map according to historical warning information, mining and analyzing the relevance between the ship and the ship according to a preset analysis method II and ship files, and comparing and analyzing the current information of the ship and the historical warning ship data to obtain another piece of prediction information.
Optionally, the method further includes:
acquiring and accumulating the stay time, ship inspection time, customs declaration abnormity and midway station spot check abnormity times after the ship enters a port, and judging the ship exceeding each preset threshold value as a risk ship; and the number of the first and second groups,
and regularly sending the identity information of the risk ship to an interactive terminal of a supervision unit by taking T2 as an interval time, and using the identity information as a dynamic risk prompt.
Optionally, the method further includes:
acquiring weather information of a supervision water area;
when each abnormal warning record is generated, the weather information of the current time and space is associated and is included in a ship file; and the number of the first and second groups,
and classifying historical abnormal warnings, and counting the occurrence frequency of each weather as a weight influence factor.
Optionally, the method further includes:
acquiring hidden inspection and lifting information, judging that a ship to which the hidden inspection and lifting information belongs is a D2 ship, and recording ship files;
when D2 ship information appears, sending important suspicion prompt information to an interactive terminal of a supervision unit, and sending a preset ship control error reporting trigger instruction to a ship control system; and
when feedback information after execution of a preset ship control error reporting trigger instruction is not acquired, sending out-of-control prompt information to an interactive terminal of a supervision unit;
the concealed referral information comprises that the geographic coordinate sending device stops responding N times according to a preset interval in a T3 time period.
In a second aspect, the present application provides a ship supervision system, which adopts the following technical scheme:
a vessel supervision system comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that performs any of the methods described above.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps of obtaining various information and past navigation records of ships and crews, generating ship files, and facilitating related units and personnel to check and manage the ship files;
2. the track of the ship can be tracked, and the analysis of the ship route, the deviation early warning and the like are realized by combining an electronic map system, so that data are provided for the advanced analysis and prediction of smuggling information, and the smuggling activity is struck;
3. under normal conditions, the ship can directly navigate through the midway station, and goods carried by the ship can be subjected to customs forecast in advance so as to improve customs clearance efficiency;
4. and monitoring abnormal navigational speed, stopped navigation or deviation of a flight line, abnormal communication and the like, and performing association analysis by combining historical records and historical cases to assist workers in predicting smuggling intelligence.
Drawings
Fig. 1 is a schematic flow diagram of a method of an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a ship supervision method, which can be realized by loading and executing a computer program by a processor.
Referring to fig. 1, a vessel supervision method includes:
acquiring a GIS map of a supervision water area and information of each port;
acquiring real-time geographic coordinates of each ship, and acquiring running information of a geographic coordinate sending device preset in the ship; and the number of the first and second groups,
and acquiring identity information and credit information of the ship and the crew thereof, forecast customs information and operation information of each voyage, and generating a ship file.
The credit information of the ship and the crew thereof can be calculated according to the results of trips in the past; the forecast information comprises the information of the manifest of the current voyage, the starting and ending positions and the carriers; the operational information includes records relating to past shipments.
The information is mainly used as the basis for analyzing the behavior of the subsequent ship; the information of the port comprises a name, coordinates and a preset parking area; a shipborne terminal is pre-installed on a ship, the shipborne terminal can be a computer integrating a GPS module as the geographic coordinate sending device, and the shipborne terminal is connected to a ship control system; after the ship is started, the shipborne terminal receives and acquires the starting signal, and updates and uploads the geographic coordinate of the ship through the GPS module.
According to the technical scheme, the coordinate information of the ship is continuously received and acquired, the travel of the ship is tracked, and each voyage track can be obtained; constructing a route model according to the historical voyage track; and subsequently, screening the main channel between any two ports by analyzing the route model.
The screening of the main channel is determined according to preset overlap ratio preselection conditions, such as: marking historical voyage tracks in a GIS map, and taking an area with the density greater than a certain threshold value as a main channel; besides obtaining the main channel by analyzing the historical voyage track, the main channel can be directly defined by a maritime department.
Based on the main channel, follow-up skew early warning that can carry out boats and ships includes: screening all main channels according to forecast information (starting and ending positions) to obtain a pre-selected main channel of the current voyage; and comparing the current voyage number track with a preselected main channel, judging whether the current voyage number track deviates and exceeds a preset deviation threshold value, if so, judging that the ship to which the current track belongs is a B-type ship, sending an early warning prompt to interactive terminals of the ship, a crew of the ship and a supervision unit, and recording all information of the current voyage number and entering the ship files.
The embodiment divides all ships into A, B, C and D four types according to behaviors; the A-type ship can be a ship which accords with maritime regulations and has no abnormality; the class B vessel may be a warning vessel; the class C vessel may be a warning cancellation vessel; a class D vessel may be a suspect/offending vessel. The four types of differentiation can be used as important scoring reference for the credit of ships and crews.
According to the above, when the ship is judged to deviate from the main channel, the ship is the warning ship; at the moment, the early warning information can be received by the shipborne terminal of the ship, the mobile phone of a crew and a computer of a supervision unit (such as port supervision) to serve as a prompt, so that the method can better meet the requirement of ship supervision and assist relevant units in fighting smuggling activities.
Furthermore, under the condition of forecasting and track tracing, spot check of intermediate stations can be avoided, so that resource waste is reduced, and the method further comprises the following steps: acquiring a site identification code, a geographic coordinate and a ship declaration area of each midway station of a supervised water area to generate site information; when the real-time geographic coordinates of the ship are placed in a ship declaration area of certain station information, judging whether the ship declaration area is in a forecast state, if so, sending a spot check-free prompt to an interactive terminal (such as a computer) of a midway station; and if not, sending a prompt of waiting for spot inspection to an interactive terminal of the ship.
For ships which do not execute forecast customs in advance, the method comprises the following steps: and when the real-time geographic coordinates of the ship are separated from the preset berthing areas of all ports, judging whether forecast records of the current voyage number are received/acquired, and if not, judging that D-type behaviors exist and tracking.
The time from the departure of the ship with the D-type behavior from the port to the re-entry of the ship into a preset parking area of one port is an inspection period T1; if the spot check confirmation information sent by the midway station or the port is not received in the supervision time period T1, the ship is judged to be a D1 type ship and the ship file is recorded; if the spot check confirmation information is received in the inspection period T1, the ship is judged to be a type C ship and recorded in the ship file.
Wherein, the spot check confirmation information is post-permission information uploaded by staff of the D-class ship after the staff pass through a midway station and a port for spot check. Of course, if the staff finds that the ship has the illegal behavior after spot check, the staff can directly determine that the ship is the D-type ship and upload the confirmation information to wait for recording the ship file. A class D1 ship may be a spot check prompt ship in class D.
For behaviors such as smuggling, only deviating from a navigation channel, the comprehensive supervision is difficult to be well carried out, and therefore the method further comprises the following steps: acquiring ship speed information, and recording a ship file by combining the voyage times; and tracking the communication abnormality, customs declaration abnormality, intermediate station spot check abnormality of the geographic coordinate sending devices of all the ships, and the time and the position of the '0' navigational speed in the ship declaration area of the non-port berthing area and the intermediate station, generating an abnormality warning record, and recording the abnormality warning record in a ship file.
Wherein the geographic coordinate sending device communication abnormality includes: 1. after acquiring the ship starting information, the geographic coordinate information of the ship is not received; 2. the geographic coordinates of the ship are in a non-preset berthing area and a ship declaration area, and the communication is interrupted. The abnormal customs declaration comprises that the ship rushes customs and does not declare customs in advance. And the abnormal spot check of the midway station comprises uploading abnormal confirmation after the spot check of the staff. And sending corresponding prompt information to the interactive terminal of the ship as a prompt for the abnormal record.
Based on the above, the deviation warning further includes: calling ship files of the class B ships, comparing the ship files with abnormal warning records of other ships, extracting common characteristics, and generating prediction information according to a preset analysis method I; and the prediction information is sent to an interactive terminal of a supervision unit.
Analytical methods one specific example is: for ships with each warning type (abnormal communication, no signal, break through and stop) exceeding n times of warning, correlation analysis is carried out, namely common characteristics (coordinate areas, time periods and warning types of warning) of the ships are extracted, and then historical case database data uploaded by workers are integrated, so that advance analysis and prediction of smuggling information are realized; the predictive information may include common feature enrichment data.
Based on the voyage track, the real-time track, voyage playback, historical voyage track, time historical track analysis of a certain ship and historical voyage track analysis of all ships can be further carried out.
For example, when interacting with an interactive terminal:
real-time trajectory analysis, which comprises displaying [ ship list ] on UI interface, selecting any ship in the list, selecting a certain ship, and further selecting and triggering the function of < real-time trajectory >; when the actual position of the ship moves, displaying an electronic map window on a UI (user interface) in real time to display the moving track points of the ship;
the historical voyage track comprises that a ship is selected on the UI interface, the uploaded set time range is obtained, all historical voyages in the set time range of the appointed ship can be inquired, and the voyage track of each voyage is further played back;
and (3) replaying the historical voyage times of all the ships, wherein the historical voyage times of all the ships in a certain time range are set, the historical voyage times of all the ships in the system in a certain time period are inquired, and the voyage track of each voyage time is replayed.
In order to improve the supervision effect, the method further comprises the following steps:
when the ship has a '0' navigational speed (influenced by ocean current and non-anchor navigation stop and has a certain fault tolerance value) in a non-preset parking area and a ship declaration area, judging to be in navigation stop, and sending navigation stop warning information to an interactive terminal of a supervision unit;
a ship file of a ship to be shut down is transferred to obtain historical warning information; and marking the navigation stop warning position distribution on the GIS map according to the historical warning information, and sending an early warning prompt to an interactive terminal of a supervision unit when the ship approaches a historical navigation stop area.
At the moment, on one hand, the monitoring personnel can be prompted whether a problem of stopping the ship during the navigation process occurs; on the other hand, by sending an early warning prompt to the associated historical parking area, the monitoring personnel can be further prompted to pay more attention to the ship and judge whether the ship has a smuggling risk.
Meanwhile, the ship navigation habit and the relevance between the ship and the ship can be analyzed (common characteristic search) by combining the credit information and customs declaration information of the ship and crews, so that data support is provided for smuggling information, and the possibility of whether the ship has abnormity or risk is predicted in advance in an auxiliary manner.
Because the method has certain dependence on the geographic coordinate sending device, the method not only carries out anti-dismantling setting and dismantling mobile self-feedback setting on the geographic coordinate sending device, but also comprises the following steps: marking communication abnormal position distribution on a GIS map according to historical warning information, mining and analyzing the relevance between ships according to a preset analysis method II and ship files, and comparing and analyzing the current information of the ships and the historical warning ship data to obtain another piece of prediction information; the second predetermined analysis method can refer to the above common feature extraction.
The device can further assist in predicting the possibility of whether the ship has abnormity or risk in advance, and provides data support for smuggling intelligence.
Further, the method further comprises the following steps:
obtaining and accumulating the stay time, ship inspection time, customs declaration abnormity and midway station spot check abnormity times after the ship enters a port, and judging the ship exceeding each preset threshold value as a risk ship (class D); and regularly sending the identity information of the risk ship to an interactive terminal of a supervision unit at intervals (such as 1 hour) of T2 to serve as a dynamic risk prompt.
In order to avoid transaction interference to a supervision unit, the identity information of the risk ship is sent to the interactive terminal, and the identity information can be displayed in a rolling display mode in a certain area on the UI. The dynamic risk prompt is helpful for later-stage related personnel to perform further behavior analysis on the ship by combining a historical case data model and the like, provides risk study and judgment and is supported by smuggling information.
Subsequently, the processing result of the staff on the dynamic risk prompt can be obtained and used as a weight influence factor, and the weight is added in the prediction analysis, so that the prediction accuracy is improved.
In shipping, the weather factors often cause great influence, even if the weather forecast can be performed in advance at present, in order to provide the accuracy of the method and reduce the complexity of manual error correction, the method further comprises the following steps:
acquiring weather information of a supervision water area;
when each abnormal warning record is generated, the weather information of the current time and space is associated and is included in a ship file; and classifying historical abnormal warnings, and counting the occurrence frequency of each weather as a weight influence factor. The weather information is used as the weight influence factor for dynamic learning, and the accuracy of prediction is further improved.
For illegal smuggling ships and the like, in addition to passive surveillance, the relevant personnel should be encouraged to cooperate actively, for which purpose the method further comprises: acquiring hidden inspection and lifting information, judging that a ship to which the hidden inspection and lifting information belongs is a D2 ship, and recording ship files;
when D2 ship information appears, sending important suspicion prompt information to an interactive terminal of a supervision unit, and sending a preset ship control error reporting trigger instruction to a ship control system; and when the feedback information after the execution of the preset ship control error reporting trigger instruction is not acquired, sending out-of-control prompt information to an interactive terminal of a supervision unit.
The concealed referral information includes that the geographic coordinate sending device stops responding for N times according to a preset interval in a T3 time period, for example: within 1 hour, the geographic coordinate sending device is powered off once at intervals of 15-20 and once at intervals of 30-35 minutes respectively, namely, the signals of the geographic coordinate sending device are regularly lost twice, namely, the detection behavior is expressed; the safety of the examination is relatively high due to the relatively strong operability. The class D2 vessel may be a vessel to be lifted. The ship control error-reporting triggering instruction is used for confusing a driver of a D2 ship and delaying time so that a supervision unit can arrange related personnel to go to check and capture in time.
The embodiment of the application also discloses a ship supervision system. The vessel supervision system comprises a memory and a processor, wherein the memory has stored thereon a computer program that can be loaded by the processor and that executes any of the methods as described above.
In summary, the following steps: the method comprises the steps of obtaining various information and past navigation records of ships and crews, generating ship files, and facilitating related units and personnel to check and manage the ship files; the track of the ship can be tracked, and the analysis of the ship route, the deviation early warning and the like are realized by combining an electronic map system, so that data are provided for the advanced analysis and prediction of smuggling information, and the smuggling activity is struck; under normal conditions, the ship can directly navigate through the midway station, and goods carried by the ship can be subjected to customs forecast in advance so as to improve customs clearance efficiency; and monitoring abnormal navigational speed, stopped navigation or deviation of a flight line, abnormal communication and the like, and performing association analysis by combining historical records and historical cases to assist workers in predicting smuggling intelligence.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the application are covered in the protection scope of the application; the above reception acquisition refers to reception and/or acquisition.
Claims (8)
1. A method of vessel surveillance, comprising:
acquiring a GIS map of a supervision water area and information of each port;
acquiring real-time geographic coordinates of each ship, and acquiring running information of a geographic coordinate sending device preset in the ship;
tracking the real-time geographic coordinates of the ship to obtain a voyage track of the ship;
constructing a route model according to the historical voyage track, and determining a main route between any two ports according to a preset overlap ratio preselection condition; specifically, the method comprises the following steps: marking historical voyage tracks in a GIS map, and taking an area with the density greater than a preset threshold value as a main channel;
acquiring identity information and credit information of a ship and crews thereof, forecast customs information and operation information of each voyage, and generating a ship file; and the number of the first and second groups,
acquiring a current voyage track, and performing deviation early warning;
the forecast information comprises manifest information and starting and ending positions;
the departure warning includes:
obtaining a pre-selected main channel of the current voyage number from all main channels according to forecast information;
comparing the current voyage track with a preselected main channel, judging whether the current voyage track deviates from the channel and exceeds a preset deviation threshold value, if so, judging that the ship to which the current track belongs is a B-type ship, and judging that the B-type ship is a warning ship; and the number of the first and second groups,
sending an early warning prompt to a ship, a crew of the ship and an interactive terminal of a supervision unit, and recording information of the current voyage number and entering the information into a ship file;
acquiring a site identification code, a geographic coordinate and a ship declaration area of each midway station of a supervised water area to generate site information;
when the real-time geographic coordinates of the ship are placed in a ship declaration area of certain station information, judging whether the ship declaration area is in a forecast state, and if so, sending a spot check-free prompt to an interactive terminal of a midway station; if not, sending a prompt for waiting for spot inspection to an interactive terminal of the ship;
when the real-time geographic coordinates of the ship are separated from the preset berthing areas of all ports, judging whether forecast records of the current voyage number are received/acquired, if not, judging that the ship is a D-type ship, and tracking;
the time from the departure of the D-type ship from the port to the re-entry of the D-type ship into the preset berthing area of one port is an inspection time period T1, and the D-type ship is a suspected/illegal ship; if the spot check confirmation information sent by the midway station or the port is not received in the supervision time period T1, the ship is judged to be a D1 type ship and the ship file is recorded; the D1 class ship can be a spot check prompting ship in class D; if the spot check confirmation information is received in the inspection period T1, the ship is judged to be a C-type ship and is recorded in a ship file, and the C-type ship can be an alarm elimination ship.
2. The vessel surveillance method according to claim 1, further comprising:
acquiring ship speed information, and recording a ship file by combining the voyage times;
tracking communication abnormity, customs declaration abnormity and midway station spot check abnormity of a geographic coordinate sending device of each ship, generating abnormity warning records when the ship speed is 0 and the position of the ship speed is generated in a non-port parking area and a midway station ship declaration area, and recording the abnormity warning records into ship files;
the departure warning further includes:
calling ship files of the class B ships, comparing the ship files with abnormal warning records of other ships, extracting common characteristics, and generating prediction information according to a preset analysis method I;
the prediction information is sent to an interactive terminal of a supervision unit;
the analysis method comprises the following specific steps: calling a ship file of a B-type ship, comparing abnormal warning records in the ship file of the B-type ship with abnormal warning records of other ships, extracting common characteristics of the abnormal warning records in the ship file of the B-type ship and the abnormal warning records of other ships for ships with each warning type exceeding n times, and then collecting historical case database data for correlation analysis to realize advanced analysis and prediction of smuggling information; the warning type comprises communication abnormity, no signal, breakthrough and navigation, and the common characteristics comprise a coordinate area, a time interval and a warning type of the occurrence of the warning.
3. The vessel surveillance method according to claim 2, further comprising:
when the ship has a '0' navigational speed in a non-preset berthing area and a ship declaration area, judging to be in berthing, and sending a berthing warning message to an interactive terminal of a supervision unit;
a ship file of a ship to be shut down is transferred to obtain historical warning information; and the number of the first and second groups,
and marking the navigation stop warning position distribution on the GIS map according to the historical warning information, and sending an early warning prompt to an interactive terminal of a supervision unit when the ship approaches a historical navigation stop area.
4. A vessel surveillance method according to claim 3, characterized in that: the geographic coordinate transmission device communication abnormality includes: after acquiring the ship starting information, the geographic coordinate information of the ship is not received;
the method further comprises the following steps: marking communication abnormal position distribution on a GIS map according to historical warning information, mining and analyzing the relevance between ships according to a preset analysis method II and ship files, and comparing and analyzing the current information of the ships and the historical warning ship data to obtain another piece of prediction information; the second analysis method is as follows: and marking the distribution of the communication abnormal positions on the GIS map according to the historical warning information, extracting the common characteristics of the archives of the ship and other ships, performing correlation analysis, and performing comparison analysis by combining the current information of the ship and the historical warning ship data to obtain the prediction information of the communication abnormal positions of the ship.
5. The vessel surveillance method according to claim 2, further comprising:
acquiring and accumulating the stay time, ship inspection time, customs declaration abnormity and midway station spot check abnormity times after the ship enters a port, and judging the ship exceeding each preset threshold value as a risk ship; and the number of the first and second groups,
and regularly sending the identity information of the risk ship to an interactive terminal of a supervision unit by taking T2 as an interval time, and using the identity information as a dynamic risk prompt.
6. The vessel surveillance method according to claim 1, further comprising:
acquiring weather information of a supervision water area;
when each abnormal warning record is generated, the weather information of the current time and space is associated and is included in a ship file; and the number of the first and second groups,
and classifying historical abnormal warnings, and counting the occurrence frequency of each weather as a weight influence factor.
7. The vessel surveillance method according to claim 1, further comprising:
acquiring hidden inspection and lifting information, judging that a ship to which the hidden inspection and lifting information belongs is a D2 ship, and recording ship files; the class D2 vessel may be a vessel to be lifted;
when D2 ship information appears, sending important suspicion prompt information to an interactive terminal of a supervision unit, and sending a preset ship control error reporting trigger instruction to a ship control system; and
when feedback information after execution of a preset ship control error reporting trigger instruction is not acquired, sending out-of-control prompt information to an interactive terminal of a supervision unit;
the concealed referral information comprises that the geographic coordinate sending device stops responding N times according to a preset interval in a T3 time period.
8. A vessel supervision system comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that performs the vessel supervision method according to any of claims 1 to 7.
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