CN118212817A - Auxiliary navigation method and system for aerial flight of civil aircraft - Google Patents
Auxiliary navigation method and system for aerial flight of civil aircraft Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/003—Flight plan management
- G08G5/0039—Modification of a flight plan
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/0047—Navigation or guidance aids for a single aircraft
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
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Abstract
The invention relates to the technical field of civil aircraft flight navigation, and particularly discloses a method and a system for assisting in navigation of civil aircraft flight in the air, wherein the system comprises the following steps: the ground operation support module is used for making flight plan data, providing information data required by navigation and transmitting the data to the EFB equipment; the EFB equipment ground data receiving module is used for receiving the flight plan data and the information data sent by the ground operation supporting module under the support of the ground network; the EFB equipment air data updating module is used for realizing data transmission by an air-ground communication link and checking transmission data; the EFB equipment air route modification module is used for supporting temporary modification of the air route data in the flight process; the EFB equipment navigation module is used for guiding the aircraft to fly according to the planned route and giving an alarm and prompting when the flight deviates from the planned route; and the ground monitoring module is used for monitoring information of the aerial aircraft on the ground.
Description
Technical Field
The invention relates to the technical field of civil aircraft flight navigation, in particular to a method and a system for assisting in navigation of civil aircraft in air flight.
Background
The civil aircraft air navigation system is a main part in a civil aviation transport system, plays an important role in safety and stability of the civil aviation industry, and is used for guiding an aircraft to safely, accurately and timely arrive at a destination along a given route, and helping a pilot to master information such as the position, flight parameters and the like of the aircraft in real time in the flight process, and carrying out corresponding flight operation.
At present, passenger plane used in China is mainly air passenger and wave sound, and map data, namely information data, in a navigation system of the passenger plane is accessed and called by a flight tube computer, so that the following five problems exist: firstly, the fly tube computers are monopolized by European and American suppliers; secondly, the safety level of the flight tube computer is extremely high, the contained information data is incomplete, and the domestic versions are different; thirdly, the updating period of the information database is longer, and the information database is updated once every 28 days; fourthly, the navigation paths in the information database are possibly inconsistent with the navigation paths provided by the ground operation control system, and the manual modification is needed; fifthly, when the route changes in the flight process, the route cannot be updated in real time from the ground operation control system, and the problems all cause that the on-board navigation function of the passenger plane in China is limited to a certain extent.
Disclosure of Invention
The invention aims to provide a civil aircraft air flight auxiliary navigation method and system, which solve the following technical problems:
How to solve the problem of the shortages existing in the current passenger plane navigation system.
The aim of the invention can be achieved by the following technical scheme:
a civil aircraft airborne navigational aid system, the system comprising:
the ground operation support module is used for making flight plan data of flights and providing information data required by navigation and sending the information data to the EFB equipment;
The EFB equipment ground data receiving module is used for receiving and downloading flight plan data and information data;
the EFB equipment air data updating module is used for realizing data transmission by an air-ground communication link and checking transmission data;
the EFB equipment air route modification module is used for temporarily modifying the air route data in the flight process;
The EFB equipment navigation module is used for guiding the aircraft to fly according to the planned route and sending out an alarm prompt when the flight deviates from the planned route;
And the ground monitoring module is used for monitoring information of the aerial aircraft on the ground.
Further, the ground operation support module includes:
The flight plan data creation unit is used for creating a computer flight plan, a flight plan number and changing route data of flights;
The information data uploading unit is used for uploading information data which needs to be updated in each AIRAC period and judging verification and effective time of the data;
the data transmitting unit is used for transmitting the computer flight plan, the flight plan number, the changed route data and the information data to the airborne EFB according to the business rules and the unit requirements;
And the data feedback unit is used for receiving the data feedback information sent by the airborne EFB equipment and judging whether the data need to be sent again or not according to the feedback information.
Further, the EFB apparatus ground data receiving module includes:
The flight plan data receiving unit is used for receiving and downloading the computer flight plan, the flight plan number and the changed route data of the flight;
the information data receiving unit is used for receiving and downloading navigation information data updated in each AIRAC period and judging whether the effective time of the downloaded data is effective or not;
the data verification unit is used for verifying the accuracy, the integrity, the timeliness and the consistency of the EFB received data;
and the data processing unit is used for reading and analyzing the received flight plan data and information data, and analyzing and storing attribute information.
Further, the EFB device over-the-air data update module includes:
The ground-to-air data link unit is used for screening the best available ground-to-air communication network link;
the data verification unit is used for verifying the accuracy, the integrity, the timeliness and the consistency of the transmission data through the verification communication protocol.
Further, the EFB device air route modification module includes:
the ground pushing unit is used for sending flight plan data produced by the ground operation support module and carrying out availability verification and analysis on the flight plan data;
The manual modification unit is used for modifying and confirming the air route in the air by the pilot, carrying out availability verification on the modified air route data, and synchronously pushing the modified air route data to the ground monitoring module.
Further, the EFB device navigation module includes:
The navigation guiding unit is used for acquiring the current position and flight parameters of the aircraft, guiding the aircraft operator to fly according to the planned route, and displaying important information in the flight process, wherein the important information in the flight process comprises real-time position, speed and heading;
and the deviation warning unit is used for judging whether the aircraft deviates from the planned route or not, and generating a deviation warning if the aircraft deviates from the planned route.
Further, the ground monitoring module includes:
the data receiving unit is used for receiving real-time situation data of the aerial aircraft, wherein the real-time situation data of the aircraft comprise aircraft position data, flight attitude data, current route data and deviation alarm data;
the data display unit is used for analyzing and drawing real-time data of the aircraft, wherein the real-time data of the aircraft comprise longitude and latitude, altitude, flight attitude and route;
and the deviation alarm unit is used for displaying alarm information when the aircraft deviates from the route.
A method for assisting navigation of a civil aircraft in an airborne flight, said method comprising the steps of:
S1, receiving flight computer flight plans, flight plan numbers, updating routes and information related data required by navigation, which are manufactured by a ground operation support module;
S2, the EFB equipment receives electronic computer flight plan, flight plan number, route and information data sent by a ground operation support module in a ground high-speed network environment, the integrity and accuracy of the received data are ensured by checking and judging the received data, the downloaded data passing the check are analyzed, split into fields which can be identified by the EFB equipment and stored in an airborne EFB database;
S3, depending on AeroMACS and satellite data communication links, optimizing a data transmission link in the flight process, and checking data received by the EFB equipment according to a transmission protocol to ensure that the format of the transmission data is correct and the content is complete;
S4, pushing new route data through the ground operation support module, temporarily modifying the route in the flight process, pushing the modified new route data to the ground monitoring module, and ensuring synchronous display of the EFB and the ground monitoring module;
S5, acquiring flight parameters of the aircraft, guiding a pilot to fly according to the air route, and giving an off-air route warning prompt in the flight process, wherein the off-air route warning prompt supports user-defined rules, assists the pilot in handling, and ensures that the aircraft arrives at a destination airport in time and safely according to the air route;
S6, displaying real-time position, height, flight parameters and aircraft deviation warning related information of the air aircraft on a ground monitoring module, assisting ground personnel in monitoring information of the air aircraft, and guaranteeing flight safety.
The invention has the beneficial effects that:
(1) The invention provides the data required in the flight process for the airborne EFB equipment through the ground operation support module, and assists ground personnel to monitor the state of the aerial aircraft; the EFB equipment ground data receiving module prepares required data for the flight process, the EFB equipment air data updating module, the EFB equipment air route modifying module and the EFB equipment navigation module realize route change and route deviation warning of the aircraft in the flight process, ensure that the aircraft arrives at a destination airport according to route safety and on time.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of an auxiliary navigation system for air flight of a civil aircraft according to the present invention;
FIG. 2 is a schematic block diagram of a ground operation support module in a civil aircraft air flight auxiliary navigation system according to the present invention;
FIG. 3 is a schematic block diagram of an EFB equipment ground data receiving module in an air flight auxiliary navigation system of a civil aircraft according to the present invention;
FIG. 4 is a schematic block diagram of an EFB equipment air data update module in an air flight assisted navigation system of a civil aircraft according to the present invention;
FIG. 5 is a schematic block diagram of an EFB equipment air route modification module in an air flight auxiliary navigation system of a civil aircraft according to the present invention;
FIG. 6 is a schematic block diagram of an EFB equipment navigation module in a civil aircraft air flight assisted navigation system according to the present invention;
Fig. 7 is a schematic block diagram of a ground monitoring module in an air flight auxiliary navigation system of a civil aircraft according to the present invention:
FIG. 8 is a workflow diagram of a ground operation support module in a civil aircraft air flight auxiliary navigation system according to the present invention;
FIG. 9 is a flowchart of the EFB equipment ground data receiving module in the auxiliary navigation system for air flight of civil aircraft;
FIG. 10 is a flowchart of an EFB equipment air data update module in an air flight assisted navigation system for a civil aircraft according to the present invention;
FIG. 11 is a flowchart of an EFB equipment air route modification module in an air flight auxiliary navigation system of a civil aircraft according to the present invention;
FIG. 12 is a flowchart of an EFB equipment navigation module in a civil aircraft air flight auxiliary navigation system according to the present invention;
Fig. 13 is a working flow chart of a ground monitoring module in the auxiliary navigation system for the air flight of the civil aircraft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, in one embodiment, a civil aircraft airborne navigation assistance system is provided, the system comprising:
Ground operation support module 1: the electronic computer flight plan, flight plan number, updating route and other data for making flights provide each AIRAC period updating information data (the current updating period is 28 days and a shorter updating period is supported) required by EFB navigation, and support the two modes of actively sending based on business rules and immediately sending after receiving an EFB request;
EFB device ground data receiving module 2: the method comprises the steps that electronic computer flight plan, flight plan number, route and information data sent by an EFB device are received by the EFB device in a ground high-speed network environment (more than or equal to 1M), the received data are checked and judged, the integrity and accuracy of the received data are ensured, the downloaded and checked data are analyzed, the downloaded and checked data are split into information which can be identified by the EFB device, and the information is stored in an airborne EFB device database;
EFB device over-the-air data update module 3: depending on communication links such as 5G AeroMACS and satellite data communication, a data transmission link in the flight process is optimized, and data received by the EFB is checked according to a transmission protocol, so that the correctness of the format of the transmitted data and the completeness of the content are ensured;
EFB device air route modification module 4: supporting the flight process to temporarily modify the route and route data, supporting the ground operation supporting module 1 to push the new route and route data, supporting the pilot to manually modify, pushing the modified new route and route data to the ground monitoring module 6, and ensuring the information synchronization of the EFB and the ground monitoring module 6;
EFB navigation module 5: the method is used for acquiring flight parameters of the aircraft, guiding the pilot/aircraft to fly according to the route, giving an alarm and prompting when the aircraft deviates from the route in the flight process, assisting the pilot in handling, and ensuring that the aircraft safely and on time arrives at a destination airport; supporting a user-defined course departure warning support rule;
ground monitoring module 6: the system is used for displaying real-time position, height and flight parameter information of an aerial airplane on the ground, giving an alarm when the airplane deviates from a navigation path, assisting ground personnel to monitor situation information of the aerial airplane, and guaranteeing flight safety.
Through the technical scheme, the embodiment provides an air flight auxiliary navigation system of a civil aircraft, and the ground operation support module 1 provides data required in the flight process for airborne EFB equipment; the EFB equipment ground data receiving module 2 prepares required data for the flight process, and the EFB equipment air data updating module 3, the EFB equipment air route modifying module 4 and the EFB equipment navigation module realize route change and route deviation alarm of the aircraft in the flight process; the ground monitoring module 6 is used for monitoring the track and the state of the air plane by ground personnel; the method improves the accuracy, timeliness and precision of flight navigation and ensures the flight safety when the aircraft arrives at the destination airport on time according to the safety of the way.
In one embodiment, referring to fig. 2 and 8, the ground operation support module 1 includes:
a flight plan data creation unit 11 for creating a computer flight plan, a flight plan number, and route data;
An information data uploading unit 12, configured to upload information data that needs to be updated every AIRAC periods (the current update period is 28 days, and a shorter update period is supported), and perform verification and validation time determination on the data;
The data sending unit 13 is configured to send computer flight plan, flight plan number, changed route data, and intelligence data to the airborne EFB device according to the service rules and unit requirements, and support both modes of custom sending of the airline (e.g. several hours before taking off of the flight) and sending immediately after the request of the EFB device;
and the data feedback unit 14 is configured to receive data feedback information sent by the on-board EFB device, and determine whether to send the data again according to the feedback information.
The working flow of the ground operation support module 1 is as follows:
Step a1, inputting basic information of flights, such as information of flight numbers, airplane tail numbers, departure airports, landing airports, predicted departure time, airlines and the like, and executing step a2;
step a2: generating data such as a computer flight plan, a flight plan number, a route and the like of the flight based on the input flight information, and executing the step a3;
step a3: carrying out availability verification on the generated data, if the data pass the verification, executing a step a4, otherwise, turning to a step a1;
Step a4: manually confirming the data, if the data passes the verification, executing the step a5, otherwise, turning to the step a1;
Step a5: after the data is produced, if the data is sent based on the business rule, executing the step a10, otherwise, turning to the step a11;
step a6: uploading latest information data, and executing a step a7;
Step a7: judging the effective time of the information data, if the effective time is the next period, executing the step a8, otherwise, turning to the step a6;
step a8: carrying out availability check on the data, if the data passes the check, executing a step a9, otherwise, turning to a step a6;
Step a9: manually confirming the data, if the data passes the verification, executing the step a5, otherwise, turning to the step a6;
Step a10: based on the airline business, data is sent to the EFB equipment at regular time, for example, a few hours before the take-off of the flight or after the completion of the production for a few hours, step a12 is executed;
Step a11: receiving a request of the EFB equipment to send data, and executing a step a12;
Step a12: step a13 is executed to confirm the data to be transmitted and the new flight to be transmitted;
step a13: judging the data receiving condition fed back by the EFB equipment, if the data is normal, executing the step a14, otherwise, turning to the step a15;
Step a14: the data transmission is successful;
step a15: judging whether the flight plan data is abnormal, if so, executing the step a1, otherwise, turning to the step a6.
In one embodiment, referring to fig. 3 and 9, the efb apparatus ground data receiving module 2 includes:
A flight plan data receiving unit 21 for receiving and downloading a computer flight plan, a flight plan number, and route change data of a flight;
The information data receiving unit 22 is configured to receive and download navigation information data updated every AIRAC periods (the current update period is 28 days, and a shorter update period is supported), and determine the effective time of the downloaded data, so as to ensure that the EFB applies the current valid navigation information data;
A data verification unit 23 for verifying the accuracy, integrity, timeliness and consistency of the EFB received data based on the data transmission protocol;
The data processing unit 24 is responsible for reading and analyzing the received flight plan data and intelligence data, and analyzing and storing attribute information according to service requirements.
The working flow of the EFB device ground data receiving module 2 is as follows:
step b1: b2, the EFB equipment receives the flight plan data receiving prompt and executes the step b;
step b2: b3, the pilot confirms to receive the flight plan data and executes the step b3;
Step b3: receiving and downloading flight plan data, and executing a step b9;
Step b4: the EFB equipment receives the information data receiving prompt and executes the step b5;
Step b5: the pilot judges whether the effective time of the information data is the next period, if so, the step b6 is executed, otherwise, the step b8 is executed;
step b6: b7, the pilot confirms to receive the information data and executes the step b7;
Step b7: receiving and downloading information data, and executing a step b9;
Step b8: refusing to receive the information data;
step b9: performing accuracy verification on the received data, and executing a step b10;
step b10: performing integrity check on the received data, and executing a step b11;
step b11: performing timeliness verification on the received data, and executing a step b12;
Step b12: performing consistency check on the received data, and executing a step b13;
Step b13: judging whether the data check is passed, if so, executing the step b14, otherwise, executing the step b17;
step b14: b15, the transmission data are correct, and the verification result is fed back to the ground operation support module 1;
Step b15: analyzing the data, splitting the data into meaningful fields, and executing the step b16;
step b16: saving the data in the EFB device;
Step b17: and if the data does not pass the verification, feeding back a verification result to the ground operation support module 1.
In one embodiment, referring to fig. 4 and 10, the efb device air data update module 3 includes:
the ground-air data link unit 31 is used for realizing optimal screening of the currently available optimal ground-air communication network and ensuring the efficiency and quality of ground-air and air-ground transmission data transmission;
The data verification unit 32 verifies the accuracy, integrity, timeliness and consistency of the transmission data based on the communication protocol.
The flow of the operation of the air data update module 3 of the EFB equipment is as follows:
step c1: c2, confirming an available link of the current ground-air communication, and executing the step c2;
Step c2: c3, by comparing the transmission delay and bandwidth conditions of the optional link, the optimal link is optimized, and the step is executed;
Step c3: c4, checking the accuracy of the data transmitted by the selected ground-air transmission link based on the communication protocol, and executing the step;
step c4: c5, carrying out integrity check on the data transmitted by the selected ground-air transmission link based on the communication protocol, and executing the step;
Step c5: c6, performing timeliness verification on the data transmitted by the selected ground-air transmission link based on the communication protocol, and executing the step;
step c6: c7, carrying out consistency check on the data transmitted by the selected ground-air transmission link based on the communication protocol, and executing the step;
step c7: judging whether the data check passes or not, if so, executing the step c8, otherwise, executing the step c9:
step c8: confirming that the link is used for ground-air communication and the data transmission is normal;
step c9: and c1, excluding the current link, reselecting the transmission link, and executing step c1.
In one embodiment, referring to fig. 5 and 11, the efb device air route modification module 4 includes:
The ground pushing unit 41 is used for sending flight plan data made by the ground operation support module 1 and carrying out availability verification, analysis and visualization on the data;
The manual modification unit 42 is used for modifying and confirming the route in the air by the pilot, performing availability verification on the modified route data, and synchronously pushing the modified route data to the ground monitoring module 6.
The working flow of the EFB device air route modification module 4 is as follows:
step d1: d2, acquiring the real-time position, height, flight attitude and other data of the current aircraft, and executing the step d2;
step d2: transmitting the flight real-time information to the ground operation support module 1, and executing a step d3;
step d3: the ground operation support module 1 makes new route data and executes the step d4;
step d4: carrying out availability verification on the new route data, if yes, executing a step d5, otherwise, executing a step d1;
step d5: pushing the new route data to the EFB equipment, and executing a step d6;
step d6: the EFB equipment receives and downloads new route data and executes the step d7;
Step d7: the EFB equipment performs data verification on the new navigation path data, if the new navigation path data pass through the EFB equipment, the step d13 is executed, and otherwise, the step d1 is executed;
Step d8: based on the current real-time position of the aircraft, the pilot manually inputs the waypoints on the EFB equipment, and step d9 is executed;
step d9: step d10, displaying the corresponding route step by step and executing the step d;
step d10: generating new route data based on the input route points and the selected route, and executing step d11;
Step d11: carrying out availability verification on the new route data, if the new route data passes, executing a step d12, otherwise executing a step d1;
Step d12: saving the new way data in the EFB equipment, and synchronously executing the step d13 and the step d15;
Step d13: analyzing the new navigation path data manufactured by the ground operation support module 1 or manually modified by the pilot, splitting the new navigation path data into meaningful fields, and executing the step d14;
step d14: drawing and displaying the analyzed new route data in the EFB equipment;
step d15: the pilot manually modified new way data is pushed to the ground monitoring module 6.
In one embodiment, referring to fig. 6 and 12, the efb device navigation module 5 includes:
the navigation guiding unit 51 is configured to obtain a current position and a flight parameter of the aircraft, guide the aircraft to fly according to a planned route, and display important information in the flight process, such as a real-time position, a speed, a heading, and the like;
The departure warning unit 52 triggers the departure warning when the aircraft deviates from the planned route by a certain distance or continuously deviates from the planned route by a certain time (both the departure distance and the time support user definition), the EFB and the ground monitoring module 6 give warning prompts, and the EFB device provides further operational treatments for the pilot, including ignoring warning information and modifying route data again.
The flow of the operation of the EFB device navigation module 5 is as follows:
step e1: acquiring information such as the current position, the height, the azimuth, the flight attitude and the like of the aircraft, and executing a step e2;
step e2: based on the current information of the aircraft and the flight path, guiding the aircraft to fly according to the path, and executing step e3;
Step e3: triggering an aircraft deviation alarm when the aircraft deviates from a planned route by a certain distance in the flight process, or triggering the aircraft deviation alarm when the aircraft deviates from the planned route by a certain period of time continuously (the time and the distance support users are customized), and synchronously executing the step e4 and the step e10;
Step e4: the EFB equipment displays the deviation alarm information and executes the step e5;
Step e5: prompting the pilot to perform deviation treatment, if the pilot chooses to ignore the prompt, executing a step e6, otherwise, executing a step e8;
Step e6: the pilot confirms to ignore the alarm prompt and executes the step e7;
step e7: continuing to fly according to the current path;
Step e8: the pilot selects to modify the route, supports the ground operation support module 1 to modify and the pilot to modify again in the EFB equipment manually, and executes the step e9;
step e9: updating the modified new route data;
step e10: pushing the aircraft deviation warning data to the ground monitoring module 6 through a ground-air data link, and executing a step e11;
step e11: the aircraft deviation warning data is displayed in the ground monitoring module 6.
In step e3, the process of triggering the aircraft deviation warning during the aircraft flight includes:
Obtaining the deviation characteristic value in the aircraft flight process through the simultaneous calculation of the two formulas ；
Wherein,For the distance characteristic value of the airplane deviating from the planned route,/>For the time of the aircraft continuously deviating from the planned route, the time can be obtained by timing according to a timer after deviation occurs in the aircraft flight process,/> />The dimension weight coefficients which are all the aircraft deviation characteristic values can be obtained by presetting according to experience, and the deviation characteristic value factors influencing the aircraft flight process are unified in dimension,/>For the transverse distance of the airplane from the planned route, the transverse distance can be obtained according to the comparison calculation of the positioning system and the planned route on the airplaneThe total height distance of the aircraft deviating from the planning industry can be obtained according to the comparison calculation of the positioning system on the aircraft and the planning routeAnd/>Weight coefficients which are all aircraft distance characteristic values can be obtained by presetting according to experience;
Deviation characteristic value in aircraft flight process And preset deviation early warning value/>Comparing, wherein the preset deviation early warning value/>Can be obtained by selection according to experience;
If it is Triggering an aircraft departure warning, and synchronously executing the step e4 and the step e10.
In one embodiment, referring to fig. 7 and 13, the ground monitoring module 6 includes:
a data receiving unit 61, configured to receive flight real-time situation data of an airborne aircraft, including data such as aircraft position, flight attitude, current route, deviation alert, and the like;
The data display unit 62 is configured to parse and draw real-time data of the aircraft, including longitude and latitude, altitude, flight attitude, route, and the like;
And a departure warning unit 63 for displaying warning information when the aircraft departs from the course.
The ground monitoring module 6 works as follows:
Step f1: f2, receiving data such as real-time data of the aircraft, alarm prompts and the like in the flight process, and executing the step;
step f2: f3, confirming receiving of the real-time data of the aircraft, warning prompt and other data, and executing the step f3;
Step f3: receiving and downloading real-time data of the aircraft, and executing the step f4;
step f4: permanently storing the downloaded data in a system, and executing step f5;
step f5: analyzing the data, splitting the data into meaningful fields, and executing the step f6;
Step f6: and drawing the data, and displaying at the front end.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. A civil aircraft airborne navigational aid system, said system comprising:
the ground operation support module is used for making flight plan data of flights and providing information data required by navigation and sending the information data to the EFB equipment;
The EFB equipment ground data receiving module is used for receiving and downloading flight plan data and information data;
the EFB equipment air data updating module is used for realizing data transmission by an air-ground communication link and checking transmission data;
the EFB equipment air route modification module is used for temporarily modifying the air route data in the flight process;
The EFB equipment navigation module is used for guiding the aircraft to fly according to the planned route and sending out an alarm prompt when the flight deviates from the planned route;
And the ground monitoring module is used for monitoring information of the aerial aircraft on the ground.
2. The civil aircraft airborne flight aid navigation system of claim 1, wherein the ground operation support module comprises:
The flight plan data creation unit is used for creating a computer flight plan, a flight plan number and changing route data of flights;
the information data uploading unit is used for uploading information data which needs to be updated in each AIRAC period and judging the verification and effective time of the information data;
the data transmitting unit is used for transmitting the computer flight plan, the flight plan number, the changed route data and the information data to the airborne EFB according to the business rules and the unit requirements;
And the data feedback unit is used for receiving the data feedback information sent by the airborne EFB equipment and judging whether the data need to be sent again or not according to the feedback information.
3. The civil aircraft airborne navigation system of claim 1, wherein said EFB device ground data receiving module comprises:
The flight plan data receiving unit is used for receiving and downloading the computer flight plan, the flight plan number and the changed route data of the flight;
the information data receiving unit is used for receiving and downloading navigation information data updated in each AIRAC period and judging whether the effective time of the downloaded data is effective or not;
the data verification unit is used for verifying the accuracy, the integrity, the timeliness and the consistency of the EFB received data;
and the data processing unit is used for reading and analyzing the received flight plan data and information data, and analyzing and storing attribute information.
4. The civil aircraft airborne flight aid navigation system of claim 1, wherein the EFB device airborne data update module comprises:
The ground-to-air data link unit is used for screening the best available ground-to-air communication network link;
the data verification unit is used for verifying the accuracy, the integrity, the timeliness and the consistency of the transmission data through the verification communication protocol.
5. The civil aircraft airborne navigation system of claim 1, wherein the EFB device airborne route modification module comprises:
the ground pushing unit is used for sending flight plan data produced by the ground operation support module and carrying out availability verification and analysis on the flight plan data;
The manual modification unit is used for modifying and confirming the air route in the air by the pilot, carrying out availability verification on the modified air route data, and synchronously pushing the modified air route data to the ground monitoring module.
6. The civil aircraft airborne navigation system of claim 1, wherein the EFB device navigation module comprises:
The navigation guiding unit is used for acquiring the current position and flight parameters of the aircraft, guiding the aircraft operator to fly according to the planned route, and displaying important information in the flight process, wherein the important information in the flight process comprises real-time position, speed and heading;
and the deviation warning unit is used for judging whether the aircraft deviates from the planned route or not, and generating a deviation warning if the aircraft deviates from the planned route.
7. The civil aircraft airborne navigation system of claim 1, wherein the ground monitoring module comprises:
the data receiving unit is used for receiving real-time situation data of the aerial aircraft, wherein the real-time situation data of the aircraft comprise aircraft position data, flight attitude data, current route data and deviation alarm data;
the data display unit is used for analyzing and drawing real-time data of the aircraft, wherein the real-time data of the aircraft comprise longitude and latitude, altitude, flight attitude and route;
and the deviation alarm unit is used for displaying alarm information when the aircraft deviates from the route.
8. A civil aircraft air-flight assisted navigation method applied to the civil aircraft air-flight assisted navigation system as claimed in any one of claims 1 to 7, characterized in that it comprises the following steps:
S1, receiving flight computer flight plans, flight plan numbers, updating routes and information related data required by navigation, which are manufactured by a ground operation support module;
S2, the EFB equipment receives electronic computer flight plan, flight plan number, route and information data sent by a ground operation support module in a ground high-speed network environment, the integrity and accuracy of the received data are ensured by checking and judging the received data, the downloaded data passing the check are analyzed, split into fields which can be identified by the EFB equipment and stored in an airborne EFB database;
S3, selecting a data transmission link in the flight process by relying on AeroMACS and a satellite data communication link, and checking the data received by the EFB equipment according to a transmission protocol to ensure that the format of the transmission data is correct and the content is complete;
S4, pushing new route data through the ground operation support module, temporarily modifying the route in the flight process, pushing the modified new route data to the ground monitoring module, and ensuring synchronous display of the EFB and the ground monitoring module;
S5, acquiring flight parameters of the aircraft, guiding a pilot to fly according to the air route, and giving an off-air route warning prompt in the flight process, wherein the off-air route warning prompt supports user-defined rules, assists the pilot in handling, and ensures that the aircraft arrives at a destination airport in time and safely according to the air route;
S6, displaying real-time position, height, flight parameters and aircraft deviation warning related information of the air aircraft on a ground monitoring module, assisting ground personnel in monitoring information of the air aircraft, and guaranteeing flight safety.
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