CN101441471B - Automatic recognition monitoring system of marine vehicle - Google Patents
Automatic recognition monitoring system of marine vehicle Download PDFInfo
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- CN101441471B CN101441471B CN2008102498196A CN200810249819A CN101441471B CN 101441471 B CN101441471 B CN 101441471B CN 2008102498196 A CN2008102498196 A CN 2008102498196A CN 200810249819 A CN200810249819 A CN 200810249819A CN 101441471 B CN101441471 B CN 101441471B
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Abstract
The invention discloses an automatic identification and monitoring system for ships, which belongs to the technical field of ship identification and monitoring. Hardware components comprise a ship terminal AIS module, a communication network and a host computer platform, wherein the ship terminal AIS module is connected with the host computer platform through the communication network in a wireless way; the ship terminal AIS module consists of a common interface for ship navigation devices, an information processor, an information monitor, a VHF transceiver, a GPS module and a communication module, which are connected electrically; the communication network comprises SOTDMA/VHF and GPRS/CDMA public network, wherein the SOTDMA/VHF and the GPRS/CDMA public network are electrically connected with a ship terminal and the host computer platform respectively; and the host computer platform is positioned in a base station center and consists of a data communication layer, a ship management layer and a user interface management layer. The automatic identification of ships is realized through direct communication between ships or the ship basic information transfer of a base station. The system overcomes the drawbacks of the prior ship navigation device in terms of communication distance and reliability, enlarges the communication range of the ships, ensures the reliability of communication and improves the safety of the ships.
Description
Technical field
The present invention relates to a kind of automatic recognition monitoring system of marine vehicle, belong to boats and ships identification surveillance technology field.
Background technology
Existing marine radar has the collision prevention function but its work usually receives the influence of meteorology, sea situation, and at narrow waters, when waters that concentration of vessel is big or experience were badly meteorological, it is powerless that radar seems; Meet in the navigation and discern between boats and ships, can adopt ship automatic identification system (Automatic Identification System is called for short AIS).Existing AIS have based on very high frequency(VHF) (VHF) means of communication, adopt self-organization formula time division multiple access (TDMA) (SOTDMA) communication pattern, but it also is difficult to realize identification automatically at narrow water channel.Also have a kind of AIS to be based on public network work; Application number: 200510047171.0 open (bulletins) number: CN1737877A: a kind of ship automatic identification system based on public network GPRS/CDMA/3G; Utilize public wireless communication network GPRS/CDMA/3G system; Adopt the IP network communication pattern, it can realize identification automatically in the public network overlay area in coastal scope and long and narrow water channel scope, if but to have exceeded the coverage public network of base station also powerless.
GIS-Geographic Information System (GIS, Geographic Information System) is a kind of computer based instrument, and it can be carried out to figure and analysis to thing and the event that exists on earth.GIS technology integrates the visualization effect of this uniqueness of map and geography-analysis function and general database manipulation.This ability makes GIS distinguish mutually with other infosystems, can show vessel's position information more intuitively in the function of host computer integrated electronic map, is convenient to the unified management scheduling.
Summary of the invention
To the defective of prior art, content of the present invention just provides a kind of automatic recognition monitoring system of marine vehicle that can either utilize public network GPRS/CDMA can utilize VHF/SOTDMA again.
A kind of automatic recognition monitoring system of marine vehicle, hardware are formed and are comprised boats and ships terminal AIS module, communication network and host computer platform, and boats and ships terminal AIS module is through communication network and host computer platform wireless connections; Boats and ships terminal AIS module is made up of general-purpose interface, message handler, information monitor, VHF transceiver, GPS module, the communication module of navigator peculiar to vessel, is electrically connected between the each several part; Communication network comprises SOTDMA/VHF and GPRS/CDMA public network two parts, and SOTDMA/VHF and GPRS/CDMA public network are electrically connected with boats and ships terminal and host computer platform respectively; Host computer platform is positioned at the base station center, is divided into data communication layer, ship-handling layer, user interface management layer.
The general-purpose interface of described navigator peculiar to vessel adopts RS232, and the RS485/422 standard expands 4 road serial ports.
Described message handler selects for use the S3C44B0X of SAMSUNG company as the AIS message handler.
Described information monitor adopts the display platform of the logical PC of a Daepori as AIS information; Through serial ports with after the AIS module is connected; Get access to the instant messages of boats and ships, combine the MapX control locator data to be handled and is presented on the electronic chart, realize the GIS function through Visual C++.
Described VHF transceiver selects for use Shenzhen China to contain the SCADA 4710A digital radio station of Electronics Co., Ltd..
Described GPS module adopts NEMA-0183 form, integrated Korea S POLARIS-A GPS module.
The boats and ships automatic identifying method is following:
1) general-purpose interface of navigator peculiar to vessel is gathered the various information of boats and ships, and output AIS information is given message handler and host computer;
What 2) boats and ships were automatic and continuous is that other ships and base station send this ship information and the information that receives the broadcasting of other ships and base station;
3) judge whether vessel position upgrades in the base station coverage, if turn to 4), if not, turn to 7);
4) judge propagation position renewal mode, if mode one turns to 5), if mode two turns to 7);
5) mode one: obtain the vessel position information on every side in the automatic identification range from base station;
6) judge whether the boats and ships on every side in the identification automatically exceed restrictive condition, as do not have, turn to 5), if any, turn to 9);
7) mode two: directly obtain positional information from the boats and ships terminal;
8) judge that the boats and ships on every side in the automatic identification range do not exceed restrictive condition again, as do not have, turn to 7), if any, turn to 9);
The boats and ships that 9) will exceed in the automatic identification range shift out the automatic identification range of boats and ships terminal AIS module;
10) information monitor and host computer show various data and status information, the operation conditions of surveillance, and realize the GIS function.
The automatic Realization of Identification of boats and ships is transmitted the ship basic information realization through direct communication between the boats and ships or through base station, and the information that provides comprises orientation, course, ground velocity, ship type, captain, the beam, catchword and danger information etc.Updating location information afterwards can comprise dual mode, the one, and the onboard AIS terminal is to the onboard AIS terminal, and the 2nd, transmit through base station.
Among the present invention, the general-purpose interface of navigation peculiar to vessel is responsible for data acquisition, again the boats and ships essential information is passed to message handler, and information monitor links to each other with message handler, shows various data and status information, the operation conditions of surveillance, and realize the GIS function.Carry out message exchange between the host computer of various data messages process communication module access communications networks and base station and each the boats and ships boats and ships terminal AIS module.
The task of the several parallel existence of main completion of boats and ships terminal AIS module according to the height of priority is successively: gps data acquisition tasks, locator data Processing tasks, AIS information are sent task, AIS message pick-up and forwarding task.
The gps data acquisition tasks is responsible for gathering the locating information that the GPS module receives.
The locator data Processing tasks is responsible for the gps data that collects is resolved, and extracts effective informations such as longitude and latitude that we need, UTC, significance bit, speed, then to the encapsulation of AIS information frame structured data, waits to be sent.
AIS information transmission task is the key link that the AIS module realizes the SOTDMA communication mode, in the main information distributing moment of being responsible for confirming through the time slot reservation selection algorithm this station, when this arrives constantly, sends the AIS data immediately.
AIS message pick-up and forwarding task through the time slot reservation selection algorithm, are selected this ship of the information distributing time slot transmission AIS data of oneself in each station, a frame At All Other Times in, then be in AIS message pick-up state.After the AIS data of receiving boats and ships on every side, be transmitted to message handler through the serial ports of AIS module, carry out information decoding and realize electronic Chart Display, i.e. GIS function by message handler by information monitor
Host computer platform is positioned at the base station center, adopts PC as client, is divided into data communication layer, ship-handling layer, user interface management layer on the client logic.
Data communication layer: carry out the transmission of reception, parsing and the order of data.Specifically comprise the reception and the parsing of data, order synthetic with send, promptly under the communication bottom situation of software, only carry out individual processing and could guarantee that the user operates and can proceed and can not be hindered.The data communication layer is the foundation of whole flat, and the communication function and the technological secondary encapsulation of TCP/IP bottom that are connected with the communication server are provided.This is the communication function core of whole software; Use the TCP/IP network to connect; Initiate to connect as user end to server by software, use socket to be programmed into the reception and the transmission of line data information, adopt multithreading to handle the connection and the information processing of this socket.
Ship-handling layer: manage the GPS terminal of each model, terminal data and command response are stored in database and the daily record.Shipborne terminal has been divided into some types; The Shipborne terminal model that different types is represented is also different, and they are stored in the software database according to the unified data library format, in addition the data to receiving; At first check ID number; Confirm deserved boats and ships data recording is upgraded the data of these boats and ships then according to ID number of Shipborne terminal, send order and all will discern equally through ID number with request.
The user interface management layer: carry out alternately with the user, the operation that the user is made is translated as the specifying information management of boats and ships, the order at GPS terminal is translated to specific instructions to the user and sends.At first show all boats and ships; Position in the electronic chart of demonstration boats and ships; The integrated electronic map is in the information monitoring platform software, and next shows the various information of status message, alarm information, function request or the like of various states and the bottom-layer network of boats and ships, at last each boats and ships is sent order; Promptly order short message, and operation makes as far as possible the user convenient.
The invention has the beneficial effects as follows and remedy conventional ship with the deficiency of navigator in communication distance and reliability; In the scope that base station covers and long and narrow water channel can adopt public network GPRS/cdma communication; The boats and ships that exceed the base station coverage can adopt VHF/SOTDMA private network self-organization communication; Enlarge the scope of marine communication, ensured the reliability of communication, improved security of shipping.
Description of drawings
Fig. 1 is a Shipborne terminal AIS module annexation synoptic diagram.
Fig. 2 Shipborne terminal AIS module. communication module and host computer platform annexation synoptic diagram.
Fig. 3 is an automatic recognition system work synoptic diagram.
Fig. 4 is the automatic recognition system workflow diagram.
Fig. 5 is a gps data acquisition tasks process flow diagram.
Fig. 6 is a locator data Processing tasks process flow diagram.
Fig. 7 is that AIS information is sent task at network insertion stage process flow diagram.
Fig. 8 is that AIS information is sent task at the first frame stage process flow diagram.
Fig. 9 is that AIS information is sent task at continuous operation phase process flow diagram.
Figure 10 is the AIS message pick-up and transmits mission flow diagram.
Figure 11 host computer platform functional framework figure.
Wherein, 1, boats and ships terminal AIS module, 2, communication network, 3, host computer platform, 4, the same interface of navigator peculiar to vessel, message handler, 6, information monitor, 7, the VHF transceiver, 8, the GPS module, 9, communication module.
Embodiment
Embodiment:
A kind of automatic recognition monitoring system of marine vehicle, structure is as depicted in figs. 1 and 2, and hardware is formed and is comprised boats and ships terminal AIS module 1, communication network 2 and host computer platform 3, and boats and ships terminal AIS module 1 is through communication network 2 and host computer platform 3 wireless connections; Boats and ships terminal AIS module 1 is made up of general-purpose interface 4, message handler 5, information monitor 6, VHF transceiver 7, GPS module 8, the communication module 9 of navigator peculiar to vessel, is electrically connected between the each several part; Communication network 2 comprises SOTDMA/VHF and GPRS/CDMA public network two parts, and communication network 2 is electrically connected with boats and ships terminal and host computer platform 3 respectively; Host computer platform 3 is positioned at the base station center, is divided into data communication layer, ship-handling layer, user interface management layer.
The boats and ships automatic identifying method is following:
1) general-purpose interface of navigator peculiar to vessel is gathered the various information of boats and ships, and output AIS information is given message handler and host computer;
What 2) boats and ships were automatic and continuous is that other ships and base station send this ship information and the information that receives the broadcasting of other ships and base station;
3) judge whether vessel position upgrades in the base station coverage, if turn to 4), if not, turn to 7);
4) judge propagation position renewal mode, if mode one turns to 5), if mode two turns to 7);
5) mode one: obtain the vessel position information on every side in the automatic identification range from base station;
6) judge whether the boats and ships on every side in the identification automatically exceed restrictive condition, as do not have, turn to 5), if any, turn to 9);
7) mode two: directly obtain positional information from the boats and ships terminal;
8) judge that the boats and ships on every side in the automatic identification range do not exceed restrictive condition again, as do not have, turn to 7), if any, turn to 9);
The boats and ships that 9) will exceed in the automatic identification range shift out the automatic identification range of boats and ships terminal AIS module;
10) information monitor and host computer show various data and status information, the operation conditions of surveillance, and realize the GIS function.
Be divided into five big ingredients on AIS module 1 hardware of boats and ships terminal, function is following:
1. the general-purpose interface of navigator peculiar to vessel
This is the data acquisition part of AIS; For the function expansion of follow-up study need; The terminal is expanded serial ports; Except that the two-way serial ports that CPU carries, expand 4 road serial ports again, be used for receiving this ship accommodation longitude and latitude, speed on the ground, synchronous UTC clock digital signal from the GPS/DGPS receiver; From the voyage signal of various kinds of sensors, and convert digital signal to and be added to message handler; Output AIS information shows for information about to host computer, and receives the out of Memory of from input media, importing.GPS adopts the NEMA-0183 form, and integrated Korea S POLARIS-AGPS module is obtained locating information at the AIS terminal, and its UTC is also as precise synchronization time of each building berth.Communication interface adopts RS232, RS485/422 standard.
2. message handler
This is the core of onboard AIS system; The S3C44B0X that can select SAMSUNG company for use is as the AIS message handler, is used to store navigation relevant informations such as static information such as this ship identification code, name of vessel, catchword, ship type and drauht, dangerous cargo type, course line; Handle, store this ship multidate information; After encoding, other relevant information send transmitter with the up-to-date aeronautical data of this ship of storage and necessary static information and with navigating by water; To receive from around the aeronautical data of other boats and ships decode and store decoded data; The information carry information displays such as aeronautical data of this ship and other boats and ships are shown.For making broadcast type AIS system have reliable, orderly information communication, require each watercraft AIS equipment time strict synchronism, thereby avoid internal interference.Being generally used for the synchronous reference time all adopts the UTC from GPS.Also can adopt the time source relevant with UTC.
3. information monitor
Be used to show various data and status information, the operation conditions of surveillance.Adopt the display platform of a PC, with after the AIS module is connected, get access to the instant messages of boats and ships, combine the MapX control locator data to be handled and is presented on the electronic chart, realize the GIS function through Visual C++ through serial ports as AIS information.
4. VHF transceiver
Select for use Shenzhen China to contain the SCADA 4710A digital radio station of Electronics Co., Ltd..The ratio of performance to price of this digital radio station is higher, and covering frequence is 330-512MHz, and data throughout is big, and long transmission distance is supported the bright real-time Transmission of full impregnated, uses the asynchronous communications protocol of standard.The SCADA digital radio station can be used as main website or substation arbitrarily, can half-duplex or the simplex mode operation, and the speech intercommunication function is supported in the radio station, satisfies the various landform of user and project application networking requirement.Be applicable to two types of various abominable dangerous environment uses of UL standard one-level
5. GPS module
Adopt Korea S POLARIS-A GPS module.This module maximum information renewal rate is 1sec, and precision 2.5m CEP supports differential GPS (DGPS), and acquiescence adopts NMEA 0183 Data Transport Protocol, and baud rate is 9600bps.POLARIS-A GPS module has the two-way transceiver channel, only adopts RxD1/TxD1 just can meet the demands, and receives the TXD1 and the RXD1 of S3C44B0X serial ports 1 respectively.The transmission data of GPS module provide the information such as longitude and latitude of current boats and ships, also can carry out write operation to it through the receiving cable of GPS, instruct the mode of operation that GPS is set through AT.GPS_PPS is a pps pulse per second signal, i.e. output in 1 second once continues the square wave of 200ms, and the rising edge precision can reach 10
-9S, we come the time reference of each portable terminal synchronously with it.
Message handler is implanted into the current a kind of free and disclosed embedded real-time operating system μ of the source code C/OS-II that is used widely and has high, little, the characteristics such as real-time performance is good and extensibility is strong that take up room of the efficient of execution, can handle multitask simultaneously.
The software section of boats and ships terminal AIS module 1 is mainly accomplished the task of several parallel existence, according to the height of priority is successively: gps data acquisition tasks, locator data Processing tasks, AIS information are sent task, AIS message pick-up and forwarding task.
The gps data acquisition tasks is responsible for gathering the locating information that the GPS module receives.
The locator data Processing tasks is responsible for the gps data that collects is resolved, and extracts effective informations such as longitude and latitude that we need, UTC, significance bit, speed, then to the encapsulation of AIS information frame structured data, waits to be sent.
AIS information transmission task is the key link that the AIS module realizes the SOTDMA communication mode, the main information distributing of being responsible for confirming this station through the time slot reservation selection algorithm constantly, when this time, when being carved into, send the AIS data immediately.
AIS message pick-up and forwarding task through the time slot reservation selection algorithm, are selected this ship of the information distributing time slot transmission AIS data of oneself in each station, a frame At All Other Times in, then be in AIS message pick-up state.After the AIS data of receiving boats and ships on every side, be transmitted to message handler 5 through the serial ports of AIS module, carry out information decoding and realize electronic Chart Display by message handler 5 by information monitor 6
The realization of the function of electronic chart, the map that the MapX instrument of use MapInfo company has embedded GIS shows.This integrated advantage is to have shown intuitively vessel's position information.
At first, use C++ to create the MapX control.Under the VC development environment, the loading of MapX control is different from general A ctiveX control, can not directly add project with control resource mode, need MapX.h and MapX.cpp file be added project, definition MapX object.
After only in the OnCreate of view () function, calling MapX.Create () function, object is just generated by real.Use OnSize () heavy duty that map is adjusted to whole view size then, and make map map control when the windows active can both obtain focus with OnSetFocus () heavy duty.The amplification of map, dwindle, functions such as roaming, selection realize comparatively simply, can directly call the built-in tool master of MapX and realize.
The graphics primitive object data type comprises spatial data and attribute data.In MapX, pel all is defined by by the derivative object of CMapXFeature type, so in fact upgrade be exactly that the renewal or the method for this class object attribute used spatial data and attribute data ground.
In MapX, a feature object on the corresponding map of each pel, so the renewal of the pel spatial data application of feature object ad hoc approach in fact just
[75]For example to move on to north latitude 31.3629 degree, east longitude 121.5693 degree to the locus of the feature object of current ftr by name, the concrete realization as follows:
Ftr:CMapXFeature; // definition pel ftr
Ftr.Point.Set (121.5693,31.3629); //ftr is positioned at north latitude 31.3629 degree, east longitude 121.5693 degree
Ftr.Update (EmptyParam, EmptyParam); The spatial data of // renewal pel ftr.
Claims (7)
1. automatic recognition monitoring system of marine vehicle; It is characterized in that; Hardware is formed and is comprised boats and ships terminal AIS module, dedicated communications network, public communication network and host computer platform, and boats and ships terminal AIS module (1) is through communication network (2) and host computer platform (3) wireless connections; Communication network (2) comprises SOTDMA/VHF and GPRS/CDMA public network two parts, and dedicated communications network is the SOTDMA/VHF network, and public communication network is the GPRS/CDMA network; Boats and ships terminal AIS module is made up of Versatile Interface Unit, message handler unit, information monitor unit, VHF transceiver unit, GPS receiving element and the communication module (9) of navigator peculiar to vessel; General-purpose interface adopts RS232, RS485/422; Message handler (5) is through RS232 link information monitor (6), and message handler (5) connects VHF transceiver unit (7), GPS module (8) and communication module (9) through general-purpose interface (4); Boats and ships terminal AIS module information processing procedure is: the reception information of information, VHF transceiver unit and communication module (9) that the Versatile Interface Unit of the locating information that is received by the GPS receiving element, navigator peculiar to vessel transmits is at first handled in the message handler unit; The software section of boats and ships terminal AIS module (1) is mainly accomplished the task of several parallel existence; Height according to priority is successively: gps data acquisition tasks, locator data Processing tasks, AIS information are sent task, AIS message pick-up and forwarding task, carry out between the ship bank remote-wireless through GPRS/CDMA public communication network and host computer platform simultaneously and communicate by letter; Host computer platform is positioned at the base station center, is divided into data communication layer, ship-handling layer and user interface management layer.
2. a kind of automatic recognition monitoring system of marine vehicle as claimed in claim 1 is characterized in that, the general-purpose interface of described navigator peculiar to vessel adopts RS232, and the RS485/422 standard expands 4 road serial ports.
3. a kind of automatic recognition monitoring system of marine vehicle as claimed in claim 1 is characterized in that, described message handler unit selects for use the S3C44B0X of SAMSUNG company as the AIS message handler.
4. a kind of automatic recognition monitoring system of marine vehicle as claimed in claim 1; It is characterized in that; Described information monitor unit adopts the display platform of the logical PC of a Daepori as AIS information, with after the AIS module is connected, gets access to the instant messages of boats and ships through serial ports; Combine the MapX control locator data to be handled and is presented on the electronic chart through Visual C++, realize the GIS function.
5. a kind of automatic recognition monitoring system of marine vehicle as claimed in claim 1 is characterized in that, described VHF transceiver unit selects for use Shenzhen China to contain the SCADA4710A digital radio station of Electronics Co., Ltd..
6. a kind of automatic recognition monitoring system of marine vehicle as claimed in claim 1 is characterized in that, described GPS receiving element adopts NEMA-0183 form, integrated Korea S POLARIS-AGPS module.
7. the boats and ships automatic identifying method of a kind of automatic recognition monitoring system of marine vehicle as claimed in claim 1 is characterized in that, the boats and ships automatic identifying method is following:
1) general-purpose interface of navigator peculiar to vessel is gathered the various information of boats and ships, and output AIS information is given message handler unit and host computer platform;
What 2) boats and ships were automatic and continuous is that other ships and base station send this ship information and the information that receives the broadcasting of other ships and base station;
3) judge whether vessel position upgrades in the base station coverage, if turn to 4), if not, turn to 7);
4) judge propagation position renewal mode, if mode one turns to 5), if mode two turns to 7);
5) mode one: obtain the vessel position information in the automatic identification range from base station;
6) judge whether the boats and ships in the automatic identification range exceed restrictive condition, as do not have, turn to 5), if any, turn to 9);
7) mode two: directly obtain positional information from the boats and ships terminal;
8) judge whether the boats and ships on every side in the automatic identification range exceed restrictive condition, as do not have, turn to 7), if any, turn to 9);
The boats and ships that 9) will exceed in the automatic identification range shift out the automatic identification range of boats and ships terminal AIS module;
10) information monitor and host computer show various data and status information, the operation conditions of surveillance, and realize the GIS function.
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| CN107221199A (en) * | 2017-05-26 | 2017-09-29 | 苏州诚晟信息技术有限公司 | A kind of ship navigation management system based on AIS technologies |
| CN109828938B (en) * | 2018-12-13 | 2021-09-03 | 山东亚华电子股份有限公司 | Chip-based communication method and device |
| CN109787917A (en) * | 2019-04-03 | 2019-05-21 | 武汉欣海远航科技研发有限公司 | A kind of AIS relay equipment peculiar to vessel and increase Cheng Fangfa |
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2008
- 2008-12-29 CN CN2008102498196A patent/CN101441471B/en not_active Expired - Fee Related
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