CN111653128A - Canal channel intelligent navigation system based on Beidou high-precision positioning - Google Patents
Canal channel intelligent navigation system based on Beidou high-precision positioning Download PDFInfo
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Abstract
The invention relates to a canal channel intelligent navigation system based on Beidou high-precision positioning, which comprises a canal channel navigation service center, a mobile internet, a smart phone and a shipborne navigation terminal; the shipborne navigation terminal is arranged on a canal ship in a canal channel, and the canal ship carries the smart phone; the canal navigation service center is used for receiving positioning data of canal ships and providing intelligent navigation information for the canal ships; the mobile internet is used for constructing mobile data connection between a canal ship and a canal navigation service center; and the shipborne navigation terminal is used for receiving and displaying intelligent navigation information issued by the canal navigation service center, and uploading the acquired positioning data of the canal ship to the canal navigation service center. The invention solves the problems of untimely position report and low GPS self-positioning precision of the ship existing in the prior canal ship.
Description
Technical Field
The invention relates to the technical field of intelligent navigation, in particular to a canal and waterway intelligent navigation system based on Beidou high-precision positioning.
Background
In recent years, the country advocates the green, low-carbon, high-efficiency and low-cost high-grade intermodal transportation mode of the ocean-river intermodal transportation, and canal channels are continuously newly built, upgraded and modified, so that canal channel networks are formed in coastal economically developed areas of the east of China. The canal and waterway net is criss-cross and has different waterway grades, thereby providing a water transportation channel for bulk commodities for each industrial park and large enterprises.
However, no electronic waterway navigation map suitable for the canal is available in the market. Electronic navigation maps for the public have been widely used, such as Baidu maps, Gaude maps, Google maps and the like, which can be used for navigation of airplanes, high-speed rails, trains, driving, buses, riding and walking, but cannot be used for navigation of waterways. The Yangtze river, the Xijiang river and the like have digital channel maps, have a safe navigation aid function, but do not have a basic navigation function.
At present, the informationization degree of canal ship is not high, does not have a ship-borne navigation terminal, and only ship-borne AIS terminal, ship-borne VHF emergency rescue radio station on water are that the ship inspection department requires the installation by force, contains GPS orientation module in wherein the ship-borne AIS terminal, and AIS boats and ships position message is the transmission of every fixed time, tells boats and ships around with GPS self-align information, has the problem that the position report is untimely, the self-align precision of boats and ships GPS is not high.
Disclosure of Invention
In view of the analysis, the invention aims to provide a canal channel intelligent navigation system based on Beidou high-precision positioning, so as to solve the problems that the prior canal ship does not have a shipborne navigation terminal, the position report is not timely, and the GPS self-positioning precision of the ship is not high.
The purpose of the invention is mainly realized by the following technical scheme:
the invention provides a canal navigation channel intelligent navigation system based on Beidou high-precision positioning, which comprises a canal navigation channel navigation service center, a mobile internet, a smart phone and a shipborne navigation terminal; the shipborne navigation terminal is arranged on a canal ship in a canal channel, and the canal ship carries the smart phone;
the canal navigation service center is used for receiving the uploaded data of the canal ship and providing intelligent navigation information for the canal ship;
the mobile internet is used for constructing mobile data connection between the canal ship and the canal navigation service center;
the smart phone is used for starting a mobile data hotspot and establishing wireless WIFI network coverage of the canal ship;
the shipborne navigation terminal is used for receiving and displaying the intelligent navigation information issued by the canal navigation service center, and uploading the collected positioning data of the canal ship to the canal navigation service center;
and the canal navigation service center processes the positioning data to obtain comprehensive data for navigation operation.
Furthermore, the positioning data of the canal ship comprises Beidou high-precision positioning data of the ship and AIS message data of surrounding ships;
the shipborne navigation terminal comprises an industrial control all-in-one machine and a plurality of external or internal modules;
the industrial control all-in-one machine comprises an industrial control host, a touch screen display, a multimedia sound and navigation software;
the external or internal modules comprise a WIFI wireless network module, an AIS monitoring and receiving module and a Beidou high-precision positioning module, and are connected to the industrial control host through a USB or COM port.
Further, the WIFI wireless network module is used for accessing the shipborne navigation terminal to a wireless WIFI network of the canal ship;
the AIS detecting and receiving module is used for receiving AIS message data of the surrounding ships by the shipborne navigation terminal;
and the Beidou high-precision positioning module is used for acquiring the Beidou high-precision positioning data of the ship by the shipborne navigation terminal.
Further, the touch screen display is used for touch screen operation and navigation display, and the navigation operation is realized through the function of the navigation software; and the navigation working interface of the navigation software is subjected to navigation display through the touch screen display.
Furthermore, the navigation software has the functions of software updating, navigation map downloading, navigation parameter setting, line planning, navigation reminding, safe navigation aid, value-added information, voice reminding, voice alarm and one-key alarm;
the route planning comprises planning of navigation routes according to the types of ships, channel grades and channel facilities;
the navigation reminding comprises timely reminding of turning, service areas, bridges and destinations according to the route planning;
the safe navigation aid comprises water transportation accident reminding and alarming including pre-collision dike, bridge collision, ship collision and bottom contact;
the value-added information comprises channel meteorological environment information, channel water level information, channel service areas, docks, anchoring areas, public information of channel announcements and ship inspection personnel card personalized information;
the voice prompt comprises the navigation prompt, the safe navigation prompt or the value-added information prompt by utilizing a multimedia sound;
the voice alarm comprises the safe navigation alarm with different levels and different speech speeds by using a multimedia sound;
the one-touch alarm comprises an emergency alarm by using an emergency alarm button on the touch screen display; and after the emergency alarm button is triggered, the position, time, ship number, ship name and cargo loading type of the current ship are immediately transmitted to the canal and channel navigation service center.
Further, the canal and channel navigation service center comprises an open source map, high-precision positioning measurement of channel feature points, a high-precision channel layer geographic information sub-database, a channel comprehensive database, a navigation map display coordinate function and cloud service.
Furthermore, the open source map is an electronic map acquired through the internet and used for developing a canal map layer;
the high-precision positioning measurement of the channel characteristic points is used for utilizing a high-precision canal and channel map developed by an open source map and carrying out sub-meter positioning measurement of Beidou according to the channel geographical characteristic points to obtain display coordinates and actually measured high-precision positioning data on the open source map;
the channel layer geographic information sub-database is used for storing display coordinates and actually measured high-precision positioning data on the open source map;
the channel comprehensive database comprises weather, water level, an open source map, ship inspection information, channel grade, navigation announcement, high-precision positioning data of channel characteristic points, berth number and the like.
Further, the cloud service comprises data uploading or downloading between a current ship-borne navigation terminal of a ship and a canal navigation service center; the uploaded data comprises high-precision positioning data and navigation setting parameters of the current ship, detected and received AIS positioning data of surrounding ships, query requests and emergency alarms; the downloaded data comprises comprehensive data obtained after the canal navigation service center processes the uploaded data;
and the canal navigation service center takes the uploaded high-precision positioning data of the current ship and the monitored and received AIS positioning data of the surrounding ships as input parameters of a navigation map display coordinate function, and the navigation map display coordinate function outputs the ship display position coordinates and the surrounding ship display position coordinates of a navigation map on the shipborne navigation terminal.
Furthermore, the comprehensive data obtained by processing the positioning data by the canal navigation service center comprises display coordinate data of the ship, display coordinate data of surrounding ships and intelligent navigation information;
the intelligent navigation information provided by the canal navigation service center to the canal ship comprises basic navigation information, the safe navigation aid information and the value-added information.
Further, the canal navigation service center establishes wireless mobile connection with a smart phone through the mobile internet;
and the shipborne navigation terminal is subjected to WIFI networking through the mobile data hotspot of the smart phone and establishes wireless connection with the canal navigation service center.
The technical scheme has the beneficial effects that: the embodiment of the invention comprehensively applies key technologies such as a Beidou high-precision positioning technology, an inter-ship wireless internet technology, an open source map technology, a cloud technology, an AIS (automatic identification system) reconnaissance technology and the like, and establishes an intelligent navigation system suitable for a canal environment.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a schematic view of an intelligent navigation system for a canal of an embodiment of the invention;
FIG. 2 is a schematic diagram of a shipborne navigation terminal according to an embodiment of the present invention;
fig. 3 is a schematic view of a canal navigation service center according to an embodiment of the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Aiming at the problems that the information degree of the current canal ship is not high, only a shipborne AIS terminal and a shipborne VHF (very high frequency) overwater emergency rescue radio station are installed by the forced requirement of a ship inspection department, wherein the shipborne AIS terminal comprises a GPS (global positioning system) positioning module, AIS ship position messages are transmitted at regular intervals and tell surrounding ships about the position information of the GPS, so that the position report is not timely, and the GPS self-positioning precision of the ship is not high.
A specific embodiment of the invention, as shown in fig. 1, discloses a canal channel intelligent navigation system based on Beidou high-precision positioning, which comprises a canal channel navigation service center, a mobile internet, a smart phone and a shipborne navigation terminal; the shipborne navigation terminal is arranged on a canal ship in a canal channel, and the canal ship carries the smart phone;
the canal navigation service center is used for receiving the positioning data of the canal ship and providing intelligent navigation information for the canal ship;
specifically, the canal navigation service center provides intelligent navigation service for canal ships by using big data and cloud computing on the basis of collecting channel data in real time. The intelligent navigation service comprises a navigation basic information service, a high-precision safe navigation service and a personalized value-added information service. The service mode adopts cloud service, is opened to all ships through the mobile internet, and needs real-name login. Other service providers on the navigation channel can log in under the name of the user, and can issue goods supply or service information advertisements. The navigation service center carries out corresponding service according to the ship active request service, and the intelligent navigation service is based on the channel comprehensive database.
The mobile internet is used for constructing mobile data connection between the canal ship and the canal navigation service center;
specifically, the mobile internet is a data service network based on a land-based mobile public network, a mobile communication operator is not limited, a china mobile company, a china unicom company and a china telecom company are optional, the type of a mobile data network is not limited, and 4G data and 5G data can be selected according to a smart phone. The mobile internet is used for wireless communication between a ship and a shore, and the area of a canal channel is full-covered by the mobile internet, so that communication infrastructure does not need to be repeatedly built.
The smart phone is used for starting a mobile data hotspot and establishing wireless WIFI network coverage of the canal ship;
specifically, the smart phone can be continuously started and operated on a ship, can surf the internet through mobile data, and simultaneously opens a mobile hotspot to provide WIFI wireless connection for a ship-borne navigation terminal. The intelligent mobile phone is used as an access point for mobile data internet access at a ship end, and a mobile hotspot is set, so that other ship-borne intelligent equipment such as a ship-borne navigation terminal can access the internet in a WIFI mode.
The shipborne navigation terminal is used for receiving and displaying the intelligent navigation information issued by the canal navigation service center, and uploading the collected positioning data of the canal ship to the canal navigation service center;
and the canal navigation service center processes the uploaded data such as positioning, inquiring and the like to obtain comprehensive data for navigation operation.
Specifically, the shipborne navigation terminal is a marine intelligent navigation terminal provided with navigation software and used for completing navigation parameter setting, navigation operation and intelligent navigation display. The navigation operation comprises the steps of initial parameter setting of the ship, route planning, navigation, one-key alarm and the like; the navigation display comprises an electronic navigation chart, a line planning chart, safe navigation information with the characteristic of high-precision data, personalized channel value-added information based on position parameters and the like.
That is to say, the canal navigation service center is cloud equipment, is deployed on public clouds, provides intelligent navigation service for all ships navigating on the canal, and provides an electronic navigation map formed by developing and overlapping high-precision channel map layers based on an open source map; the mobile internet is an interactive data transmission layer between the navigation ship and the navigation service center, and the ship-side equipment and the cloud-side equipment are wirelessly connected through the mobile internet; the intelligent mobile phone is a mobile data access point of the mobile internet at the ship end, and the shipborne navigation terminal is accessed to the mobile internet through wireless WIFI by utilizing the hotspot function of the intelligent mobile phone; the shipborne navigation terminal is an intelligent device which is installed at a ship end and used for navigation operation and various information display, a wireless network card, a Beidou high-precision positioning module and an AIS (automatic identification system) monitoring and receiving module are arranged in the shipborne navigation terminal, wireless WIFI (wireless fidelity) internet surfing can be carried out through a smart phone hotspot, and therefore the shipborne navigation terminal is mutually connected with a canal navigation service center, the sub-meter-level high-precision self-positioning of a navigation ship is realized, and AIS message data sent by the ship around can be timely monitored.
That is, the sailing vessel in the canal includes two kinds of canal vessels on which the shipborne navigation terminal of the present invention is installed and on which the shipborne navigation terminal is not installed. The former has sub-meter Beidou high-precision self-positioning and is sent once per second; the latter is the self-positioning of the ordinary precision GPS, the position is updated in real time, and the updating speed depends on the AIS message regulation.
In a specific embodiment of the invention, the positioning data of the canal vessel comprises Beidou positioning data of the current vessel and AIS message data of surrounding vessels;
specifically, the positioning data of the canal ship in the channel is sensed by a ship-borne navigation terminal and uploaded to a canal channel navigation service center.
As shown in fig. 2, the shipborne navigation terminal comprises an industrial control all-in-one machine and a plurality of external or internal modules;
the industrial control all-in-one machine comprises an industrial control host, a touch screen display, a multimedia sound and navigation software;
specifically, the industrial control all-in-one machine is an industrial control host machine which is provided with a touch screen and a multimedia sound box, contains navigation software, can be installed in a cab of a canal ship for use, can finish the input of various navigation software parameters and the operation of various menus on the touch display screen without a keyboard and a mouse, and has intelligent navigation display, voice reminding or warning.
The external or internal modules comprise a WIFI wireless network module, an AIS monitoring and receiving module and a Beidou high-precision positioning module, and are connected into the industrial control all-in-one machine through a USB or COM port.
Specifically, on-board navigation terminal comprises an industrial control all-in-one and several external or built-in modules, and the industrial control host computer has touch multimedia function, and the module passes through USB, COM mouth and inserts the industrial control host computer, and the module should contain one through the wireless internet access module of the computer of WIFI online, one listen the AIS of boats and ships around sending the AIS signal and listen the module, one based on big dipper ground reinforcing system's big dipper high accuracy sub-meter level orientation module. The shipborne navigation terminal provided by the invention internally comprises the Beidou positioning module and the AIS (automatic identification system) reconnaissance module, and can acquire high-precision self-positioning data and non-high-precision positioning data of surrounding ships.
In a specific embodiment of the invention, the WIFI wireless network module is used for the shipborne navigation terminal to access to a wireless WIFI network of the canal ship;
the AIS detecting and receiving module is used for receiving AIS message data of the surrounding ships by the shipborne navigation terminal;
the Beidou high-precision positioning module is used for acquiring the Beidou positioning data of the current ship by the shipborne navigation terminal.
Specifically, the WIFI wireless network module has a wireless module with a WIFI internet access function and can be connected with the industrial personal computer through a USB interface; the AIS monitoring and receiving module is provided with a module for receiving the AIS message in a double-communication mode and can be connected with the industrial control host through an RS232 serial port; the Beidou positioning module is provided with a sub-meter-level high-precision positioning module of a Beidou ground enhancement system and can be connected with the industrial control host through a USB interface.
In a specific embodiment of the present invention, the touch screen display is used for touch screen operation and navigation display, and the touch screen operation is implemented by a function of the navigation software; and the navigation working interface of the navigation software is subjected to navigation display through the touch screen display.
Specifically, navigation parameter setting, navigation operation and intelligent navigation display are realized through navigation software; the navigation operation comprises ship initial parameter setting, route planning, navigation, one-key alarm and the like; the navigation display comprises an electronic navigation chart, a line planning chart, safe navigation information with the characteristic of high-precision data, personalized channel value-added information based on position parameters and the like. When the touch screen display enters a navigation working interface, the relative position data of the current ship and nearby air obstacles can be displayed in real time with high precision.
In a specific embodiment of the invention, the functions of the navigation software comprise software updating, navigation map downloading, navigation parameter setting, line planning, navigation reminding, safe navigation aid, value-added information, voice reminding, voice alarm and one-key alarm; that is, the navigation software has a software updating function, a navigation chart downloading function, a navigation function, a safe navigation aid function, a value-added information function, a voice reminding function, a voice alarm function, and a one-key alarm function.
Specifically, the software updating function is the updating and downloading of new navigation software; the navigation map downloading function downloads the electronic navigation map according to partitions, can be used offline after downloading before navigation, and can also be used for tile type instant downloading during navigation. The electronic navigation map of the canal channel is a high-precision channel map layer specially developed on the basis of an open source map, so that the electronic navigation map of the open source channel has the characteristic of high precision. The development of the high-precision channel layer is that positioning measurement is carried out by using sub-meter-level Beidou high-precision positioning measurement equipment according to channel feature points, map coordinates of the channel feature points on the open source map correspond to the high-precision positioning measurement values and are stored in a channel comprehensive database, and all canal and channel feature points are converged to form the high-precision channel layer geographic information sub-database of the open source map.
The route planning comprises planning of navigation routes according to the types of ships, channel grades and channel facilities;
the navigation reminding comprises timely reminding of turning, service areas, bridges and destinations according to the route planning;
the safe navigation aid comprises water transportation accident reminding and alarming including pre-collision dike, bridge collision, ship collision and bottom contact;
the value-added information comprises channel meteorological environment information, channel water level information, channel service areas, docks, anchoring areas, public information of channel announcements and ship inspection personnel card personalized information;
the voice prompt comprises the navigation prompt, the safe navigation prompt or the value-added information prompt by utilizing a multimedia sound;
the voice alarm comprises the safe navigation alarm with different levels and different speech speeds by using a multimedia sound;
the one-touch alarm comprises an emergency alarm by using an emergency alarm button on the touch screen display; and after the emergency alarm button is triggered, the position, time, ship number, ship name and cargo loading type of the current ship are transmitted to the canal and channel navigation service center.
Specifically, the navigation function comprises a route planning function and a navigation reminding function; the route planning function refers to planning a navigation route according to the type of a ship, the grade of a channel and channel facilities, for example, a 1000-ton ship cannot navigate on four or below channels, and planning the route according to the principle of the shortest route, a service area and the highest-grade channel; the navigation reminding function is to remind a driver of turning, a service area, a bridge and a destination in advance according to a navigation route.
The safe navigation aid function is used for warning and alarming water transport accidents such as bank collision prevention, bridge collision, ship collision, bottom contact and the like: the embankment is measured by the distance and the angle between the port and the starboard of the ship and the bank; the collision bridge surface is measured by the difference between the water height of the ship and the navigation clear height of the bridge; the collision pier is measured by the distance and the angle between the ship port and the ship starboard and the pier; the ship collision is measured according to the distance between two ships and the distance between two nearby boards; bottoming is measured as the difference between the water level and the draft.
The value-added information function is to provide the ship with channel meteorological environment information, channel water level information, static and dynamic information of channel service areas, wharfs, anchoring areas and the like, public information of channel announcement and the like, and personalized information of ship inspection personnel certificates and the like.
The voice reminding function is to play voice reminding, including navigation reminding and other information reminding, by using multimedia sound.
The voice alarm function is to play voice alarm by using multimedia sound, and the voice speed is different according to different levels.
The one-key alarm function is realized by using an emergency alarm software button on a touch screen, and when a ship has a water traffic accident, a driver can send basic information such as the position, time, name, number, type of loaded goods and the like of the ship to a canal and channel navigation service center by touching the button.
In a specific embodiment of the present invention, as shown in fig. 3, the canal and channel navigation service center includes an open source map, a channel feature point positioning measurement, a channel layer geographic information sub-database, a channel integrated database, a navigation map display coordinate function, and a cloud service.
In a specific embodiment of the invention, the open source map is an electronic map obtained through the internet and used for developing a canal and channel map layer;
the channel characteristic point high-precision positioning measurement is used for carrying out Beidou sub-meter positioning measurement by utilizing a canal chart developed by an open source map and according to the channel geographical characteristic points to obtain display coordinates and actual measurement positioning data on the open source map;
the channel layer geographic information sub-database is used for storing display coordinates and actual measurement positioning data on the open source map;
the channel comprehensive database comprises weather, water level, open source maps, ship inspection information, channel grades, navigation bulletins, geographic characteristic point positioning data and berth numbers.
Specifically, the open source map refers to a map open to the public, and can be developed on the basis of an electronic map available on the internet, so that data desensitization is avoided, and map publishing is facilitated.
The high-precision positioning measurement of the channel characteristic points is to take the channel geographical characteristic points to perform Beidou sub-meter positioning measurement according to a canal channel layer developed by an open source map to form display coordinates and actually measured high-precision positioning data on the open source map.
The channel layer geographic information sub-database is used for storing display coordinates and actually measured high-precision positioning data on an open source map, and all characteristic points of a channel are converged to form the high-precision channel layer geographic information sub-database which is a part of a channel comprehensive database.
The channel comprehensive database comprises weather, water level, open source map data, ship inspection information, channel grade, navigation bulletin, high-precision positioning data of geographic characteristic points, berth number and the like, and is derived from data of a public network website and a port and navigation management department. That is, the data sources of the channel integrated database include channel data obtained from the internet, such as weather, water level, open source map data, etc., data obtained by exchanging with a port information system, such as ship inspection information, channel grade, etc., dynamic information issued by a port management department, such as navigation bulletins, etc., actual measurement data from an organizer to a channel, such as positioning measurement data of geographic feature points of two banks of a channel, etc., and data reported by the channel internet of things, such as berth, etc.
The cloud service comprises uploading or downloading of a cloud end and a ship end; the uploading comprises uploading of high-precision self-positioning data and other parameters of the ship, uploading of AIS (automatic identification System) monitoring and receiving data of surrounding ships, query requests, emergency alarms and the like, and the downloading comprises positioning and resolving output ship display coordinates, personalized safe navigation aid information pushing based on position parameters and other value-added information pushing.
In a specific embodiment of the invention, the cloud service includes data uploading or downloading between a current ship-borne navigation terminal of a ship and a canal navigation service center; the uploaded data comprise positioning data and navigation setting parameters of the current ship, the detected positioning data of the surrounding ships, an inquiry request and an emergency alarm; the downloaded data comprises comprehensive data obtained after the canal navigation service center processes the uploaded data;
and the canal navigation service center takes the uploaded positioning data of the ship and the detected positioning data of the surrounding ships as input parameters of a navigation map display coordinate function, and the navigation map display coordinate function outputs the ship display position coordinates and the surrounding ship display position coordinates of a navigation map on the shipborne navigation terminal.
If the display coordinate function of the navigation map is set to be y ═ f (x), f represents the display coordinate function name of the navigation map, x represents the uploaded data of the accurate Beidou positioning, and y represents the display position coordinate of the navigation map on the shipborne navigation terminal obtained by performing function transformation on x by the canal navigation service center.
Specifically, during navigation service, various information pushed to the shipborne navigation terminal is not high-precision positioning original data, but is high-precision positioning data of a relative position after data processing of a navigation service center. The current ship uploads high-precision self-positioning data, the canal channel navigation center performs calculation of a display position function on the high-precision positioning data of the high-precision self-positioning data and adjacent characteristic points of a canal channel, and outputs a high-precision display position value of the navigation ship on an electronic navigation map. When a dike and a bridge obstacle exist near the current ship, distance position data can be displayed in real time and accurately. When the ship near the current ship is also provided with the shipborne navigation terminal, the distance position data of the adjacent ship board can be displayed in real time and accurately.
In a specific embodiment of the present invention, the integrated data after the positioning data is processed by the canal navigation service center includes display coordinate data of a current ship, display coordinate data of surrounding ships, and intelligent navigation information;
specifically, the shipborne navigation terminal uploads the acquired high-precision self-positioning data of the ship and AIS message data of surrounding ships; and the canal navigation service center issues the display coordinate data of the ship, the display coordinate data of the surrounding ships and other intelligent navigation information of the channel.
The intelligent navigation information provided by the canal navigation service center to the canal ship comprises basic navigation information, the safe navigation aid information and the value-added information.
Specifically, the intelligent navigation information service of the canal comprises an electronic navigation map of the canal, safe navigation information of high-precision position data and personalized channel value-added information service based on position information.
In an embodiment of the present invention, as shown in fig. 1, the canal navigation service center establishes a wireless mobile connection with a smartphone through the mobile internet;
and the shipborne navigation terminal is subjected to WIFI networking through the mobile data hotspot of the smart phone and establishes wireless connection with the canal navigation service center.
In conclusion, the invention discloses a canal channel intelligent navigation system based on Beidou high-precision positioning, which comprises a canal channel navigation service center, a mobile internet, a smart phone and a shipborne navigation terminal; the system is characterized in that the shipborne navigation terminal is installed on a canal ship in a canal channel, and the canal ship carries the smart phone; the canal navigation service center is used for receiving the positioning data of the canal ship and providing intelligent navigation information for the canal ship; the mobile internet is used for constructing mobile data connection between the canal ship and the canal navigation service center; the smart phone is used for starting a mobile data hotspot and establishing wireless WIFI network coverage of the canal ship; the shipborne navigation terminal is used for receiving and displaying the intelligent navigation information issued by the canal navigation service center, and uploading the collected positioning data of the canal ship to the canal navigation service center; and the canal navigation service center processes the positioning data to obtain comprehensive data for navigation operation. Compared with the prior art, the embodiment of the invention comprehensively applies the key technologies such as the Beidou high-precision positioning technology, the inter-ship-shore wireless internet technology, the open source map technology, the cloud technology, the AIS (automatic identification system) reconnaissance technology and the like to establish the intelligent navigation system suitable for the canal environment, and the system solves the line planning problem of different ship types, the Beidou high-precision positioning problem of navigation ships, the safe navigation aid information service problem of high-precision relative position data of obstacles during ship navigation and the channel value-added personalized service problem based on position parameters on the basis of providing the electronic navigation map service with the high-precision canal map layer.
Those skilled in the art will appreciate that all or part of the processes for implementing the methods in the above embodiments may be implemented by a computer program, which is stored in a computer-readable storage medium, to instruct associated hardware. The computer readable storage medium is a magnetic disk, an optical disk, a read-only memory or a random access memory.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A canal channel intelligent navigation system based on Beidou high-precision positioning comprises a canal channel navigation service center, a mobile internet, a smart phone and a shipborne navigation terminal; the system is characterized in that the shipborne navigation terminal is installed on a canal ship in a canal channel, and the canal ship carries the smart phone;
the canal navigation service center is used for receiving the positioning data of the canal ship and providing intelligent navigation information for the canal ship;
the mobile internet is used for constructing mobile data connection between the canal ship and the canal navigation service center;
the smart phone is used for starting a mobile data hotspot and establishing wireless WIFI network coverage of the canal ship;
the shipborne navigation terminal is used for receiving and displaying the intelligent navigation information issued by the canal navigation service center, and uploading the collected positioning data of the canal ship to the canal navigation service center;
and the canal navigation service center processes the positioning data to obtain comprehensive data for navigation operation.
2. The intelligent navigation system of claim 1, wherein the positioning data of the canal vessel comprises Beidou high-precision positioning data of a current vessel and AIS message data of surrounding vessels;
the shipborne navigation terminal comprises an industrial control all-in-one machine and a plurality of external or internal modules;
the industrial control all-in-one machine comprises an industrial control host, a touch screen display, a multimedia sound and navigation software;
the external or internal modules comprise a WIFI wireless network module, an AIS monitoring and receiving module and a Beidou positioning module, and are connected to the industrial control host through a USB or COM port.
3. The intelligent navigation system of claim 2, wherein the WIFI wireless network module is configured to enable the shipborne navigation terminal to access a wireless WIFI network of the canal ship;
the AIS detecting and receiving module is used for receiving AIS message data of the surrounding ships by the shipborne navigation terminal;
and the Beidou high-precision positioning module is used for acquiring the Beidou high-precision positioning data of the current ship by the shipborne navigation terminal.
4. The intelligent navigation system according to claim 2, wherein the touch screen display is used for touch screen operation and navigation display, and the navigation operation is realized through the function of the navigation software; and the navigation working interface of the navigation software is subjected to navigation display through the touch screen display.
5. The intelligent navigation system of claim 4, wherein the functions of the navigation software include software updates, navigation map downloads, navigation parameter settings, route planning, navigation reminders, safe navigation aid, value-added information, voice reminders, voice alerts, and one-touch alerts;
the route planning comprises planning of navigation routes according to the types of ships, channel grades and channel facilities;
the navigation reminding comprises timely reminding of turning, service areas, bridges and destinations according to the route planning;
the safe navigation aid comprises water transportation accident reminding and alarming including pre-collision dike, bridge collision, ship collision and bottom contact;
the value-added information comprises channel meteorological environment information, channel water level information, channel service areas, docks, anchoring areas, public information of channel announcements and ship inspection personnel card personalized information;
the voice prompt comprises the navigation prompt, the safe navigation prompt or the value-added information prompt by utilizing a multimedia sound;
the voice alarm comprises the safe navigation alarm with different levels and different speech speeds by using a multimedia sound;
the one-touch alarm comprises an emergency alarm by using an emergency alarm button on the touch screen display; and after the emergency alarm button is triggered, the position, time, ship number, ship name and cargo loading type of the current ship are transmitted to the canal and channel navigation service center.
6. The intelligent navigation system of claim 1, wherein the canal and channel navigation service center comprises an open source map, high-precision positioning measurement of channel feature points, a high-precision channel layer geographic information sub-database, a channel comprehensive database, a navigation map display coordinate function and cloud services.
7. The intelligent navigation system according to claim 6, wherein the open source map is an electronic map obtained through the internet for developing a canal course layer;
the high-precision positioning measurement of the channel characteristic points is used for utilizing a high-precision canal and channel map developed by an open source map and carrying out sub-meter positioning measurement of Beidou according to the channel geographical characteristic points to obtain display coordinates and actually measured high-precision positioning data on the open source map;
the channel layer geographic information sub-database is used for storing display coordinates and actually measured high-precision positioning data on the open source map;
the channel comprehensive database comprises weather, water level, open source maps, ship inspection information, channel grades, navigation bulletins, geographic characteristic point positioning data and berth numbers.
8. The development method according to claim 6, wherein the cloud service comprises data upload or download between a current ship-borne navigation terminal and a canal navigation service center; the uploaded data comprise positioning data and navigation setting parameters of the current ship, the detected positioning data of the surrounding ships, an inquiry request and an emergency alarm; the downloaded data comprises comprehensive data obtained after the canal navigation service center processes the uploaded data;
and the canal navigation service center takes the uploaded positioning data of the current ship and the detected positioning data of the surrounding ships as input parameters of a navigation map display coordinate function, and the navigation map display coordinate function outputs the display position coordinates of a navigation map on the shipborne navigation terminal.
9. The intelligent navigation system according to claim 1, 5 or 8, wherein the integrated data obtained by the canal navigation service center processing the uploaded data includes display coordinate data of a current ship, display coordinate data of surrounding ships and intelligent navigation information;
the intelligent navigation information provided by the canal navigation service center to the canal ship comprises basic navigation information, the safe navigation aid information and the value-added information.
10. The development method according to any one of claims 1 to 9, wherein the canal navigation service center establishes a wireless mobile connection with a smartphone through the mobile internet;
and the shipborne navigation terminal is subjected to WIFI networking through the mobile data hotspot of the smart phone and establishes wireless connection with the canal navigation service center.
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