CN114004392A - Intelligent search method and system for dry bulk ships in China coastal region - Google Patents

Intelligent search method and system for dry bulk ships in China coastal region Download PDF

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CN114004392A
CN114004392A CN202111204746.0A CN202111204746A CN114004392A CN 114004392 A CN114004392 A CN 114004392A CN 202111204746 A CN202111204746 A CN 202111204746A CN 114004392 A CN114004392 A CN 114004392A
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CN114004392B (en
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陆旭昇
应有正
王敏
刘毅
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Ship Barter Hainan Supply Chain Management Co ltd
Cosco Shipping Technology Co Ltd
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Cosco Shipping Technology Co Ltd
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Abstract

The invention discloses an intelligent search method and system for China coastal dry bulk ships, which can find ships meeting requirements and the pre-support time thereof in advance by fully utilizing AIS, GIS, ship file data, port file data, berth file data, and ship behavior prediction and other data of the ships, help owners of goods, depots, shipowners and other business related parties to quickly find adaptive ships according to simple freight demand information, quickly complete ship-cargo matching, improve the overall operation efficiency of shipping, and reduce cost and carbon emission.

Description

Intelligent search method and system for dry bulk ships in China coastal region
Technical Field
The invention relates to an intelligent search method and system for dry bulk ships in China coastal areas.
Background
In recent years, the annual growth rate of the bulk cargo shipment in coastal areas of China is between 5 and 10 percent, the annual shipping cost is 330 million yuan, and the shipment volume of the cargo reaches about 12 million tons. However, coastal bulk cargo transportation has the characteristics of small scale, capacity and weak service and poor guarantee for a long time. According to incomplete statistics, nearly 3000 small boat companies exist in the country, and about 20000 voyages are operated every year. However, the problems of the first industrial resource sharing rate, the low operation efficiency and the like exist for a long time, and not only are the operation pressure brought to business parties, but also waste is caused to a certain extent, and a lot of unnecessary carbon emission is brought. At present, the communication business such as telephone communication, WeChat group communication, acquaintance circle and the like is commonly used in the industry, the shipping efficiency is low, and the ship and goods matching cannot be completed in time.
An Automatic Identification System (AIS) of a ship is a ship navigation device, and the AIS can enhance the measures for avoiding collision among ships, strengthen the functions of an ARPA radar, a ship traffic management system and a ship report, display visual information of course, name and the like of all ships on an electronic chart, achieve the function of improving maritime communication, provide a method for the ship to carry out voice and text communication, and enhance the global consciousness of the ship. The AIS adopts a global unique coding system of a ship, namely MMSI codes, as an identification means. Each vessel is disassembled from initial construction to vessel use, giving a globally unique MMSI code.
Geographic Information systems (Geographic Information System or Geo-Information System, GIS). It is a specific and very important spatial information system. The system is a technical system for collecting, storing, managing, operating, analyzing, displaying and describing relevant geographic distribution data in the whole or partial earth surface (including the atmosphere) space under the support of a computer hardware and software system.
With the development of the internet of things technology, it is not a difficult problem to dynamically acquire ship AIS, GIS and ship archive data, however, how to utilize and acquire ship AIS, GIS and ship archive data to improve shipping efficiency is a technical problem to be solved urgently at present.
Disclosure of Invention
The invention aims to provide an intelligent search method and system for China coastal dry bulk ships, so as to solve the problems that the current shipping efficiency is low and the ship matching cannot be completed in time.
In order to solve the technical problems, the invention provides an intelligent search method and system for a dry bulk ship in China coastal region, comprising the following steps:
s1: collecting GIS data of a monitoring area, AIS data of a ship and port file data in real time, and carrying out big data real-time processing according to the GIS data, the AIS data and the port file data to obtain dynamic information of the whole life cycle of the ship;
s2: dividing coastal ports into a plurality of port groups, and determining the port group where a ship is located according to AIS data and GIS data;
s3: calculating the navigation time among port groups and the port average operation time of different types of ships according to a big data algorithm;
s4: judging whether the ship needs to transport return cargos according to the big data, determining the ship with the scheduled load according to the port group where the ship is located, the dynamic information of the full life cycle of the ship and whether the ship needs to transport the return cargos, and marking all ships meeting the loading requirement except the ship with the scheduled load in the coastal area as candidate ships; then calculating the time required by the candidate ship to reach the loading port group required by the user freight according to the dynamic information of the whole life cycle of the ship, the navigation time among the port groups, the average port operation time of different types of ships and whether the ship needs to transport return cargos or not;
s5: and taking all the ships with the pre-arrival time of the candidate ships reaching the loading port group of the user freight demand matched with the loading period of the user freight demand as search target ships.
Further, when the time required by the candidate ship to reach the loading port group of the user freight requirement is calculated, the ship which is not attached to the port in the loading port group of the user freight requirement in the past 1 year is excluded.
Further, marking the port group of the ship needing to transport return cargos as a first port group, and marking the port group of the ship not needing to transport the return cargos as a second port group; the ship satisfying any one of the following conditions is determined as the ship with the fixed load:
A. the ship is in a berthing state, and the current berthing port group of the ship, the loading port group of the user freight demand and the first port group are the same port group;
B. the ship is in a berthing state, and the current berthing port group, the user freight demand loading port group and the second port group of the ship are the same port group and are in an idle state before berthing;
C. the current berthing port group of the ship and the loading port group of the user freight demand are different port groups, and the current berthing port group of the ship is in an unloaded state before berthing;
D. the ship is in an anchoring state, and the current anchoring port group of the ship, the loading port group of the user freight demand and the first port group are the same port group;
E. the current berthing port group of the ship is different from the loading port group of the user freight demand, and is in an unloaded state before berthing.
F. The ship is in a sailing state and is in an idle state at present.
Further, when the ship is in the berthing state, the calculation method of the time required by the candidate ship to reach the loading port group of the user freight demand comprises the following steps:
s411: judging whether the current berthing port group of the ship and the loading port group of the user freight demand are the same port group or not, if so, the pre-arrival time is 0 day; otherwise, go to step S42;
s412, judging whether the current berthing port group of the ship and the first port group are the same, if so, executing a step S413, otherwise, executing a step S414;
s413: judging whether the ship is full load or no load before berthing, and if the ship is full load, the pre-compensation time is unloading time + loading time + navigation time between the current port group of the ship and the loading port group of the user freight demand; if the ship is unloaded, the pre-support time is the unloading time plus the navigation time from the current port group of the ship to the loading port group of the user freight demand;
s414: judging whether the ship is fully loaded or unloaded before berthing, and if the ship is fully loaded, the pre-compensation time is the sailing time between the current port group of the ship and the port group of the loading port required by the user for freight transportation; if the ship is unloaded, the pre-compensation time is equal to the sailing time between the current port group of the ship and the loading port group of the user freight demand.
Further, when the ship is in the anchoring state, the calculation method of the time required by the candidate ship to reach the loading port group required by the user for freight transportation comprises the following steps:
s421: judging whether the current anchoring port group of the ship and the loading port group of the user freight demand are the same port group or not, if so, the pre-compensation time is 0 day; otherwise, go to step S422;
s422, judging whether the current anchoring port group and the first port group of the ship are the same port group, if so, executing a step S423, otherwise, executing a step S424;
s423: judging whether the ship is full load or no load before anchoring, and if the ship is full load, the pre-compensation time is unloading time, loading time, unloading time and navigation time from the current port group of the ship to the loading port group of the user freight requirement; if the ship is unloaded, the pre-support time is the unloading time plus the navigation time from the current port group of the ship to the loading port group of the user freight demand;
s424: judging whether the ship is fully loaded or unloaded before anchoring, and if the ship is fully loaded, the pre-compensation time is unloading time plus the sailing time between the current port group of the ship and the port group of the loading port required by the user for freight transportation; if the ship is unloaded, the pre-compensation time is equal to the sailing time between the current port group of the ship and the loading port group of the user freight demand.
Further, when the ship is in a current sailing state and the destination port of the current sailing time is known, the method for calculating the time required by the candidate ship to reach the loading port group of the user freight requirement comprises the following steps:
judging whether the current shipping destination port and the loading port group required by the user for freight transportation are the same port group, if so, in a full-load state, the pre-support time is the unloading time plus the pre-support remaining time; if not, and the current state is full load, the pre-arrival time is the unloading time + the pre-arrival remaining time + the time for the pre-arrival port group to travel to the loading port group.
Further, when the ship is in a current sailing state and the destination port of the current sailing time is unknown, the method for calculating the time required by the candidate ship to reach the loading port group required by the user to freight comprises the following steps:
judging whether a port group corresponding to the current exit position of the ship and a loading port group required by user freight are the same, if so, judging that the pre-arrival time is unloading time when the current arrival time is in a full-load state; if not, and the current state is full load, the pre-arrival time is the unloading time plus the time for the current regional port group to travel to the loading port group.
In addition, the application also provides an intelligent search system for searching intelligent ships by adopting the intelligent search method for the dry bulk ships in China coastal areas, which comprises a database unit, a ship positioning unit, a navigation and operation time calculation unit, a pre-arrival time calculation unit and an intelligent search unit;
the database unit is used for acquiring GIS data of a monitoring area, AIS data of a ship and port file data in real time, and carrying out big data real-time processing according to the GIS data, the AIS data and the port file data to obtain dynamic information of the whole life cycle of the ship;
the ship positioning unit is used for dividing coastal ports into a plurality of port groups and determining the port groups where ships are located according to the AIS data and the GIS data;
the navigation and operation time calculation unit is used for calculating the navigation time among the port groups and the port average operation time of different types of ships according to a big data algorithm;
the pre-arrival time calculation unit is used for judging whether the ship needs to transport return cargo according to the big data, determining the ship with the scheduled load according to the port group where the ship is located, the dynamic information of the whole life cycle of the ship and whether the ship needs to transport the return cargo, and marking all the ships meeting the loading requirement in the coastal area except the ship with the scheduled load as candidate ships; then calculating the time required by the candidate ship to reach the loading port group required by the user freight according to the dynamic information of the whole life cycle of the ship, the navigation time among the port groups, the average port operation time of different types of ships and whether the ship needs to transport return cargos or not;
and the intelligent searching unit is used for taking all ships with the pre-arrival time of the candidate ships reaching the loading port group with the user freight demand matched with the loading period of the user freight demand as searching target ships.
The invention has the beneficial effects that: through the AIS of make full use of boats and ships, GIS, boats and ships archival data, harbour archival data, berth archival data combines data such as boats and ships action prediction, can look for the boats and ships that satisfy the requirement in advance and the time of supporting in advance, and the relevant side of business such as help owner of goods, generation of goods, shipowner is according to simple freight transportation demand information, quick adaptation boats and ships of finding, accomplishes the matching of ship goods fast, promotes the whole operating efficiency of shipping, reduce cost and carbon emission.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of an intelligent search method for dry bulk ships along the coast in china according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an intelligent search system for dry bulk ships along the china coastal region according to an embodiment of the present invention.
Detailed Description
The intelligent search method and system for dry bulk ships along the coast in China as shown in FIG. 1 comprises the following steps:
s1: collecting GIS data of a monitoring area, AIS data of a ship and port file data in real time, and carrying out big data real-time processing according to the GIS data, the AIS data and the port file data to obtain dynamic information of the whole life cycle of the ship;
s2: dividing coastal ports into a plurality of port groups, and determining the port group where a ship is located according to AIS data and GIS data;
s3: calculating the navigation time among port groups and the port average operation time of different types of ships according to a big data algorithm;
s4: judging whether the ship needs to transport return cargos according to the big data, determining the ship with the scheduled load according to the port group where the ship is located, the dynamic information of the full life cycle of the ship and whether the ship needs to transport the return cargos, and marking all ships meeting the loading requirement except the ship with the scheduled load in the coastal area as candidate ships; then calculating the time required by the candidate ship to reach the loading port group required by the user freight according to the dynamic information of the whole life cycle of the ship, the navigation time among the port groups, the average port operation time of different types of ships and whether the ship needs to transport return cargos or not;
s5: and taking all the ships with the pre-arrival time of the candidate ships reaching the loading port group of the user freight demand matched with the loading period of the user freight demand as search target ships.
According to the invention, by fully utilizing AIS, GIS, ship file data, port file data and berth file data of the ship and combining data such as ship behavior prediction and the like, the ship and the pre-support time meeting the requirements can be found in advance, and the method helps business related parties such as a cargo owner, a generation of goods, a shipowner and the like to quickly find the adapted ship according to simple freight transportation demand information, quickly complete ship-cargo matching, improve the overall operation efficiency of shipping and reduce the cost and carbon emission.
According to one embodiment of the application, the time required for the candidate ship to reach the loading port group with the user freight requirement is calculated, and ships which are not attached to the ports in the loading port group with the user freight requirement in the past 1 year are excluded.
According to one embodiment of the application, a port group of a ship needing to transport return cargos is marked as a first port group, and a port group of the ship not needing to transport the return cargos is marked as a second port group; the ship satisfying any one of the following conditions is determined as the ship with the fixed load:
A. the ship is in a berthing state, and the current berthing port group of the ship, the loading port group of the user freight demand and the first port group are the same port group;
B. the ship is in a berthing state, and the current berthing port group, the user freight demand loading port group and the second port group of the ship are the same port group and are in an idle state before berthing;
C. the current berthing port group of the ship and the loading port group of the user freight demand are different port groups, and the current berthing port group of the ship is in an unloaded state before berthing;
D. the ship is in an anchoring state, and the current anchoring port group of the ship, the loading port group of the user freight demand and the first port group are the same port group;
E. the current berthing port group of the ship is different from the loading port group of the user freight demand, and is in an unloaded state before berthing.
F. The ship is in a sailing state and is in an idle state at present.
According to one embodiment of the application, when a ship is in a berthing state currently, the calculation method of the time required by a candidate ship to reach a loading port group with a user freight requirement comprises the following steps:
s411: judging whether the current berthing port group of the ship and the loading port group of the user freight demand are the same port group or not, if so, the pre-arrival time is 0 day; otherwise, go to step S42;
s412, judging whether the current berthing port group of the ship and the first port group are the same, if so, executing a step S413, otherwise, executing a step S414;
s413: judging whether the ship is full load or no load before berthing, and if the ship is full load, the pre-compensation time is unloading time + loading time + navigation time between the current port group of the ship and the loading port group of the user freight demand; and if the ship is unloaded, the pre-compensation time is the unloading time plus the navigation time from the current port group of the ship to the loading port group of the user freight demand.
According to one embodiment of the application, when a ship is in an anchoring state, the calculation method of the time required by a candidate ship to reach a loading port group of a user freight requirement comprises the following steps:
s421: judging whether the current anchoring port group of the ship and the loading port group of the user freight demand are the same port group or not, if so, the pre-compensation time is 0 day; otherwise, go to step S422;
s422, judging whether the current anchoring port group and the first port group of the ship are the same port group, if so, executing a step S423, otherwise, executing a step S424;
s423: judging whether the ship is full load or no load before anchoring, and if the ship is full load, the pre-compensation time is unloading time, loading time, unloading time and navigation time from the current port group of the ship to the loading port group of the user freight requirement; and if the ship is unloaded, the pre-compensation time is the unloading time plus the navigation time from the current port group of the ship to the loading port group of the user freight demand.
According to one embodiment of the application, when a ship is in a current sailing state and a destination port of the current sailing time is known, the method for calculating the time required by a candidate ship to reach a loading port group of a user freight requirement comprises the following steps:
judging whether the current shipping destination port and the loading port group required by the user for freight transportation are the same port group, if so, in a full-load state, the pre-support time is the unloading time plus the pre-support remaining time; if not, and the current state is full load, the pre-arrival time is the unloading time + the pre-arrival remaining time + the time for the pre-arrival port group to travel to the loading port group.
According to one embodiment of the application, when a ship is in a current sailing state and a destination port of the current sailing time is unknown, the method for calculating the time required by a candidate ship to reach a loading port group of a user freight demand comprises the following steps:
judging whether a port group corresponding to the current exit position of the ship and a loading port group required by user freight are the same, if so, judging that the pre-arrival time is unloading time when the current arrival time is in a full-load state; if not, and the current state is full load, the pre-arrival time is the unloading time plus the time for the current regional port group to travel to the loading port group.
Fig. 2 shows an intelligent search system for searching an intelligent ship by using the intelligent search method for dry bulk ships in china coastal areas, which comprises a database unit, a port group division unit, a navigation and operation time calculation unit, a pre-arrival time calculation unit and an intelligent search unit;
the database unit is used for acquiring GIS data of a monitoring area, AIS data of a ship and port file data in real time, and carrying out big data real-time processing according to the GIS data, the AIS data and the port file data to obtain dynamic information of the whole life cycle of the ship;
the ship positioning unit is used for dividing coastal ports into a plurality of port groups and determining the port groups where ships are located according to the AIS data and the GIS data;
the navigation and operation time calculation unit is used for calculating the navigation time among the port groups and the port average operation time of different types of ships according to a big data algorithm;
the pre-arrival time calculation unit is used for judging whether the ship needs to transport return cargo according to the big data, determining the ship with the scheduled load according to the port group where the ship is located, the dynamic information of the whole life cycle of the ship and whether the ship needs to transport the return cargo, and marking all the ships meeting the loading requirement in the coastal area except the ship with the scheduled load as candidate ships; then calculating the time required by the candidate ship to reach the loading port group required by the user freight according to the dynamic information of the whole life cycle of the ship, the navigation time among the port groups, the average port operation time of different types of ships and whether the ship needs to transport return cargos or not;
and the intelligent searching unit is used for taking all ships with the pre-arrival time of the candidate ships reaching the loading port group with the user freight demand matched with the loading period of the user freight demand as searching target ships.
According to one embodiment of the application, the system further comprises a result display unit, wherein the display unit comprises a map display unit and a list display unit, and the map display unit is used for displaying the real-time positions of the candidate ships through a Chinese coastal map, a satellite map and a chart; the list display unit is used for performing list display on the searched ship full life cycle dynamic information of the target ship. Vessel full lifecycle dynamic information includes, but is not limited to: ship name, ship english name, MMSI, IMO, call sign, ship type, departure port, destination port, ship dynamics, pre-arrival/dynamics time, estimated arrival at loading port time, weight per ton, length, width, design draft, design speed, construction year and month, management body, operation body, ownership body, speed to ground, current draft, AIS navigation state, AIS update time, ship course, soutest port, northest port, changjiang west port, etc. The user can communicate with a corresponding ship operator according to the dynamic information of the full life cycle of the ship or directionally push the cargo transportation demand information, so that the ship and cargo matching can be completed quickly.
The system realizes the function of quickly inquiring the candidate ship list by the user through the least data entry, and has the following operation flow chart:
1. logging in the system: and the user scans the code to log in the system through the bound WeChat account.
2. Entering freight transportation demand information: the user enters the data of the loading port, the loading period and the cargo quantity (range).
3. And (3) inquiring: click the query button.
4. List + map data show: the system shows the ship list and the ship position in the mode of a left list and a right map.
5. Data export: and (4) exporting data by a user and manually for subsequent processing.
The application is exemplified below by way of example in china maritime shipping:
1. dividing Chinese coastal port groups:
Figure RE-GDA0003391539270000111
Figure RE-GDA0003391539270000121
Figure RE-GDA0003391539270000131
2. the calculation result of the time of flight among the port groups is as follows:
unit: sky
Figure RE-GDA0003391539270000132
Figure RE-GDA0003391539270000141
Figure RE-GDA0003391539270000151
The calculation result of the average operation time of the ship is as follows:
unit: sky
Ship shape Time of loading and unloading Clothes (CN) Unloading
40000+ 7 3.5 3.5
10000 40000 (excluding) 5 2.5 2.5
10000- (including) 4 2 2
The specific model algorithm is as follows:
algorithmic logic
Unified logic
Taking the Wenzhou port as a boundary as a standard for dividing the south port and the north port, and displaying according to big data of business experience that a ship is hung on the Wenzhou port and the south port and needs to take return goods in a return journey; therefore, the system defaults that the ship is hung at a south port of the Wenzhou harbor, return cargo is needed in the return process, the time calculation needs loading and unloading operation time, and specific time is referred to (the definition of the average operation time of the ship).
The standard for dividing the inside and the outside of the Yangtze river is based on Nanjing harbor, and aiming at the situation that during coastal bulk cargo transportation, a ship in the west of Nanjing harbor at the current position is not a target ship.
When the target ship is searched, ships which are not hung to ports in the loading port group in the past 1 year are preferably excluded.
The ship finding principle is a maximum range principle, namely if ships with definite service logics which can be eliminated do not eliminate the ships as much as possible and the ships do not leak as much as possible, and the business personnel carry out secondary confirmation offline.
Second, berthing state
1. The harbor group and the ship berthing harbor group are just the same harbor group
If the loading port group and the ship berthing port group are exactly the same port group, at the moment, if the ship berthing is the Bohai Bay group and the Liaodong group, and the ships are basically loaded according to business experience, the ships are excluded.
If the ship berthing port belongs to a south port group of the Wenzhou port and is in a full load state before berthing, the pre-support time is '0' day, the ship is in the full load state before berthing according to business logic, the berthing is unloading operation, a return pallet of the same port group is recommended for the ship at the moment, the success rate is high, and the system defaults that the sailing time is '0' day because the ship is in the same port group.
If the port at which the ship is berthed belongs to the south port group of the Wenzhou port and is in an empty state before berthing, the ship is excluded because the ship is likely to have been loaded with return cargo and it is not necessary to recommend the cargo load of the same port group.
If the ship berthing port belongs to the north harbor group of the Wenzhou harbor and is in a full load state before berthing, the pre-arrival time is "0" day.
2. The harbor group and the ship berthing harbor group are different harbor groups
If the ship berthing port is a south port group of the wenzhou port and is in a full load state before berthing, the pre-arrival time is the loading and unloading time plus the time for the berthing port group to travel to the loading port group, because the loading and unloading time of return cargo is counted according to business logic.
If the port where the ship is berthed is the south port group of the wenzhou port and is in an empty state before berthing, the ship is most likely to go to the loading and unloading port, and is already berthed, the loading and unloading operation should be started, and the pre-arrival time is the unloading time + the time for the berthing port group to travel to the loading port group.
If the ship berthing port is the north port group of the Wenzhou port and is in a full load state before berthing, the pre-arrival time is the time for the berthing port group to travel to the loading port group because no return cargo exists.
If the empty and full state of the ship before berthing cannot be judged, and the ship is hung in a south-south port group in the Wenzhou, more target ships can be found due to the fact that the empty pre-arrival time is shorter, and therefore the empty state is defaulted.
If the empty and full state of the ship before berthing cannot be judged, and the ship is attached to a north port group in the Wenzhou, the default is that the pre-arrival time of the fully loaded ship is shorter, so the fully loaded ship is defaulted to be in the full load state at the moment.
Third, anchoring state
1. The harbor group and the ship anchoring harbor group are just the same harbor group
If the loading port group and the ship anchoring port group are exactly the same port group, at the moment, if the ship anchoring ports are Bohai Bay groups and Liaodong groups, and the ships are basically loaded according to business experience, the ships are excluded.
If the ship anchoring port belongs to a south port group of the Wenzhou port and is in a full load state before anchoring, the pre-support time is '0' day, the ship is in the full load state before anchoring according to business logic, unloading operation is carried out by anchoring, return movement of the ship to the same port group is recommended, the success rate is high, and the system defaults that the sailing time is '0' day because the ship is in the same port group.
If the vessel mooring port belongs to the hong Kong south Port group and is in an empty state before mooring, the system defaults to a voyage time of "0".
If the ship anchoring port belongs to the north harbor group of the Wenzhou harbor and the anchoring is in a full load state before anchoring, the pre-arrival time is "0" day.
If the ship anchoring port belongs to the north harbor group of the Wenzhou harbor and the anchoring is in an idle state before anchoring, the pre-arrival time is 0 days.
2. The harbor loading port group and the ship anchoring port group are different port groups
If the ship anchoring port belongs to the south port group of the Wenzhou port and the anchoring port is in a full load state before anchoring, the pre-arrival time is the unloading time, the loading and unloading time and the time for the anchoring port group to travel to the loading port group, unloading, loading and unloading return cargos are needed, and then the ship sails to the loading port.
If the ship anchoring port belongs to the south port group of the Wenzhou port and the anchoring is in an idle state before anchoring, the pre-support time is loading & unloading time plus the time for the anchoring port group to travel to the loading port group, and therefore, the ship anchoring port is likely to wait for the anchoring and loading of return cargo.
If the ship anchoring port is a north port group of the Wenzhou port and the anchoring is in a full load state before anchoring, the pre-compensation time is unloading time plus the time for the anchoring port group to travel to the loading port group.
If the empty/full state cannot be judged, the south default of the Wenzhou is empty, and the north default of the Wenzhou is full.
Fourth, sailing state
1. Destination Port is known
If the loading port group is exactly the destination port group and is in a full load state, the pre-compensation time is the unloading time plus the pre-compensation remaining time.
If the loading port group is exactly the destination port group and is in an unloaded state, the ship is excluded and it is highly possible that the ship is already loaded.
If the loading port group and the destination port group are different port groups and are in a full load state, the pre-arrival time is the unloading time + the pre-arrival remaining time + the time for the pre-arrival port group to travel to the loading port group.
If the loading port group and the destination port group are different port groups and are in an idle state, the ship is excluded and the ship is most likely to be loaded.
And if the empty and full load state of the ship cannot be judged, the ship is in a full load state by default.
2. Destination port unknown
If the current location is in the same area as the loading area and is in a full load state, the pre-arrival time is the unloading time.
If the current position is in the same area as the loading port and is in an unloaded state, the ship is excluded and the load is most likely to be loaded.
If the current position is in a different area from the loading area and is in a full load state, the pre-arrival time is the unloading time plus the time for the current area port group to travel to the loading port group.
If the current position is in a different area from the area of the port and is in an unloaded state, the ship is excluded and it is highly likely that the load has been set.
And if the current position is not in any one area, taking the nearest area for judgment.
If the empty full state cannot be judged, the full state is defaulted.
And finally, the data display of the user is completed through the front-end data display subsystem through a data interface.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1. An intelligent search method for dry bulk ships in China coastal areas is characterized by comprising the following steps:
s1: collecting GIS data of a monitoring area, AIS data of a ship and port file data in real time, and carrying out big data real-time processing according to the GIS data, the AIS data and the port file data to obtain dynamic information of the whole life cycle of the ship;
s2: dividing coastal ports into a plurality of port groups, and determining the port group where a ship is located according to AIS data and GIS data;
s3: calculating the navigation time among port groups and the port average operation time of different types of ships according to a big data algorithm;
s4: judging whether the ship needs to transport return cargos according to the big data, determining the ship with the scheduled load according to the port group where the ship is located, the dynamic information of the full life cycle of the ship and whether the ship needs to transport the return cargos, and marking all ships meeting the loading requirement except the ship with the scheduled load in the coastal area as candidate ships; then calculating the time required by the candidate ship to reach the loading port group required by the user freight according to the dynamic information of the whole life cycle of the ship, the navigation time among the port groups, the average port operation time of different types of ships and whether the ship needs to transport return cargos or not;
s5: and taking all the ships with the pre-arrival time of the candidate ships reaching the loading port group of the user freight demand matched with the loading period of the user freight demand as search target ships.
2. The intelligent method for searching dry bulk ships according to claim 1, wherein ships that have not been attached to ports in the loading port group for the user's freight requirement in the past 1 year are excluded from the calculation of the time required for the candidate ship to reach the loading port group for the user's freight requirement.
3. The intelligent search method for dry bulk ships in China coastal according to claim 1 or 2, characterized by marking the port group of the ship needing to transport return cargo as a first port group and marking the port group of the ship not needing to transport return cargo as a second port group; the ship satisfying any one of the following conditions is determined as the ship with the fixed load:
A. the ship is in a berthing state, and the current berthing port group of the ship, the loading port group of the user freight demand and the first port group are the same port group;
B. the ship is in a berthing state, and the current berthing port group, the user freight demand loading port group and the second port group of the ship are the same port group and are in an idle state before berthing;
C. the current berthing port group of the ship and the loading port group of the user freight demand are different port groups, and the current berthing port group of the ship is in an unloaded state before berthing;
D. the ship is in an anchoring state, and the current anchoring port group of the ship, the loading port group of the user freight demand and the first port group are the same port group;
E. the current berthing port group of the ship is different from the loading port group of the user freight demand, and is in an unloaded state before berthing.
F. The ship is in a sailing state and is in an idle state at present.
4. The intelligent search method for dry bulk ships according to claim 3, wherein when the ship is currently in a berthing state, the calculation method of the time required for the candidate ship to reach the port group of the loading port where the user's freight needs to be loaded comprises the following steps:
s411: judging whether the current berthing port group of the ship and the loading port group of the user freight demand are the same port group or not, if so, the pre-arrival time is 0 day; otherwise, go to step S42;
s412, judging whether the current berthing port group of the ship and the first port group are the same, if so, executing a step S413, otherwise, executing a step S414;
s413: judging whether the ship is full load or no load before berthing, and if the ship is full load, the pre-compensation time is unloading time + loading time + navigation time between the current port group of the ship and the loading port group of the user freight demand; and if the ship is unloaded, the pre-compensation time is the unloading time plus the navigation time from the current port group of the ship to the loading port group of the user freight demand.
5. The intelligent search method for dry bulk ships according to claim 3, wherein when the ship is currently in an anchored state, the calculation method of the time required for the candidate ship to reach the port group of the loading port where the user's freight needs to be loaded comprises:
s421: judging whether the current anchoring port group of the ship and the loading port group of the user freight demand are the same port group or not, if so, the pre-compensation time is 0 day; otherwise, go to step S422;
s422, judging whether the current anchoring port group and the first port group of the ship are the same port group, if so, executing a step S423, otherwise, executing a step S424;
s423: judging whether the ship is full load or no load before anchoring, and if the ship is full load, the pre-compensation time is unloading time, loading time, unloading time and navigation time from the current port group of the ship to the loading port group of the user freight requirement; and if the ship is unloaded, the pre-compensation time is the unloading time plus the navigation time from the current port group of the ship to the loading port group of the user freight demand.
6. The intelligent search method for dry bulk ships in China coastal area according to claim 3, wherein when the ship is currently in a sailing state and the destination port of the current sailing time is known, the calculation method for the time required by the candidate ship to reach the loading port group of the user freight demand comprises the following steps:
judging whether the current shipping destination port and the loading port group required by the user for freight transportation are the same port group, if so, in a full-load state, the pre-support time is the unloading time plus the pre-support remaining time; if not, and the current state is full load, the pre-arrival time is the unloading time + the pre-arrival remaining time + the time for the pre-arrival port group to travel to the loading port group.
7. The intelligent search method for dry bulk ships in China coastal area according to claim 3, wherein when the ship is currently in a sailing state and the destination port of the current sailing time is unknown, the calculation method for the time required for the candidate ship to reach the loading port group required by the user to freight comprises the following steps:
judging whether a port group corresponding to the current exit position of the ship and a loading port group required by user freight are the same, if so, judging that the pre-arrival time is unloading time when the current arrival time is in a full-load state; if not, and the current state is full load, the pre-arrival time is the unloading time plus the time for the current regional port group to travel to the loading port group.
8. An intelligent search system for intelligent ship search by using the intelligent search method for dry bulk ships on the coast of China according to any one of claims 1 to 7, comprising
The database unit is used for acquiring GIS data of a monitoring area, AIS data of a ship and port file data in real time, and carrying out big data real-time processing according to the GIS data, the AIS data and the port file data to obtain dynamic information of the whole life cycle of the ship;
the ship positioning unit is used for dividing coastal ports into a plurality of port groups and determining the port groups where ships are located according to the AIS data and the GIS data;
the navigation and operation time calculation unit is used for calculating the navigation time among the port groups and the port average operation time of different types of ships according to a big data algorithm;
the pre-arrival time calculation unit is used for judging whether the ship needs to transport return cargo according to the big data, determining the ship with the scheduled load according to the port group where the ship is located, the dynamic information of the whole life cycle of the ship and whether the ship needs to transport the return cargo, and marking all the ships meeting the loading requirement in the coastal area except the ship with the scheduled load as candidate ships; then calculating the time required by the candidate ship to reach the loading port group required by the user freight according to the dynamic information of the whole life cycle of the ship, the navigation time among the port groups, the average port operation time of different types of ships and whether the ship needs to transport return cargos or not;
and the intelligent searching unit is used for taking all ships with the pre-arrival time of the candidate ships reaching the loading port group with the user freight demand matched with the loading period of the user freight demand as searching target ships.
9. The intelligent search system for dry bulk ships according to claim 8, further comprising a result display unit, wherein the display unit comprises a map display unit and a list display unit, and the map display unit is used for displaying the real-time positions of the candidate ships through a Chinese coastal map, a satellite map and a chart; the list display unit is used for performing list display on the searched ship full life cycle dynamic information of the target ship.
CN202111204746.0A 2021-10-15 2021-10-15 Intelligent search method and system for dry bulk ships in China coastal region Active CN114004392B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112365084A (en) * 2020-11-26 2021-02-12 中远海运科技股份有限公司 Ship recommendation system and platform
CN112435153A (en) * 2020-11-26 2021-03-02 中远海运科技股份有限公司 Cargo twisting platform and method for transport ship

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112365084A (en) * 2020-11-26 2021-02-12 中远海运科技股份有限公司 Ship recommendation system and platform
CN112435153A (en) * 2020-11-26 2021-03-02 中远海运科技股份有限公司 Cargo twisting platform and method for transport ship

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