CN112991822B - Airport broadcast type automatic correlation monitoring flight verification system and method - Google Patents
Airport broadcast type automatic correlation monitoring flight verification system and method Download PDFInfo
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- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
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Abstract
The invention relates to an airport broadcasting type automatic correlation monitoring flight verification method and system, an airborne ADS-B verification system is carried by an unmanned aerial vehicle, ADS-B verification data of the unmanned aerial vehicle is acquired by the airborne ADS-B verification system, an ADS-B ground station and an unmanned aerial vehicle monitoring ground station on the ground respectively receive the ADS-B verification data sent by an ADS-B response module, and the flight verification is carried out by comparing the ADS-B verification data received by the ADS-B ground station and the ADS-B verification data received by the unmanned aerial vehicle monitoring ground station, so that the verification efficiency is improved.
Description
Technical Field
The invention relates to the technical field of airplane monitoring, in particular to an airport broadcast type automatic correlation monitoring flight verification system and method.
Background
The broadcast automatic dependent surveillance (ADS-B) is an aircraft operation monitoring technology in an air traffic control system, the working principle of the system is that four-dimensional position information (including longitude, latitude, altitude and time) of aircraft positioning and other necessary flight parameters are derived through an airborne system, and a ground base station analyzes received message information and displays the position and altitude information on a monitor in real time, so that real-time monitoring of the aircraft dynamic state is realized. The system is an advanced technology of a new generation navigation system integrating the most advanced data communication, satellite navigation and monitoring technologies, and is mainly used for tracking and monitoring the flight dynamics of aircrafts by air traffic management. Broadcast auto-correlation monitoring techniques can provide data with higher accuracy and faster data update rates than radar monitoring techniques.
The ADS-B system is a bidirectional data link broadcast monitoring system, is not only used for an air-to-ground downlink communication link and downloading an aircraft position report, but also can realize direct bidirectional data communication and uploading flight message information between a pilot and a controller. The airplane equipped with the ADS-B equipment acquires information such as self position, speed and the like and other flight required information by depending on a global navigation satellite system of airborne navigation equipment and other airborne information sources (such as an inertial navigation system and the like), and periodically and automatically broadcasts the information to the periphery through a data link for the outside to monitor the information. Meanwhile, the system can also receive the broadcast information of the adjacent target aircraft, so that the pilot can better know the flight dynamics of other aircraft nearby the air, and can autonomously keep a proper safety interval, thereby effectively ensuring the flight safety of the aircraft and preventing the illegal invasion of the target aircraft.
The function of ADS-B can be divided into two parts of sending (OUT) and receiving (IN) according to the direction division of the airplane broadcast information transmission.
The ADS-B OUT means that an ADS-B transmitter on board the airplane sends position information and other additional information of the airplane to other airplanes or ground air traffic controllers at a certain period, wherein the position information and the other additional information comprise airplane identification information, positions, altitudes, speeds, directions, climbing rates and the like. The ground station monitors the air traffic condition information by receiving the information sent by the aircraft verification equipment, and has the function similar to and better than radar monitoring.
ADS-B IN refers to ADS-B OUT information sent by an ADS-B ground station or other airplanes received by the local machine.
The data chain supporting ADS-B has the characteristics of large channel capacity, high transmission rate, broadcast mode function and the like, and 3 data chains meeting the requirements of ADS-B on data communication are respectively a secondary surveillance radar S mode ultra-long message (1090 ES), a VDL mode 4 and a UAT. The 1090ES is an extended oscillator which works in a 1090MHz frequency band, conforms to RTCA DO 260B and TSOC166B, and is an extension of an S-mode secondary surveillance radar technology which is widely used by aviation secondary surveillance radars. The method is suitable for all airplanes in low altitude and high altitude, and for the airplane provided with the S-mode transponder, the equipment is simple to modify and operate, and the cost is lower. In the airspace of China, civil aviation airplanes use ADS-B of 1090ES mode for monitoring.
The broadcast type automatic relevant monitoring flight check is that the performance of ADS-B ground station equipment is checked and checked by taking a check plane or a flight as an information source in an operating environment, and necessary basis verification is provided for the ADS-B ground station open operation. The ground station is usually equipped with an ADS-B receiver, which can display the data on a radar or ADS-B screen. The responder used in the flight verification on the airplane is controlled by the operation of a verifier, and the verifier can send test data through a data chain and simultaneously ensure that the ground part decodes in a proper decoding mode or the ground station executes automatic inspection after receiving a special code. The calculation processing unit of the flight verification system is connected to the transponder through a data link and defaults to the setting required by the transponder data to transmit ADS-B data, and the ADS-B of the flight verification system is required to provide the data of time, ground speed, position, altitude and GPS state.
The China civil aviation administration has vigorously developed ADS-B technology in recent years to monitor the area which cannot be covered by radar. Before the ADS-B device is put into use, however, the performance of the system must be verified to ensure its signal stability and reliability and to confirm supportable coverage.
Since broadcast auto correlation monitoring has been widely developed in recent years, and related technical standards have been established later, the check of broadcast auto correlation monitoring does not belong to a conventionally required check item, and for any mode of ADS-B, the data chain has an air part, the data is encoded into a specific format, and the ground part receives and decodes the data. At present, the broadcast type automatic correlation monitoring is verified by a verification airplane carrying verification equipment, an ADS-B in different modes needs to be subjected to flight verification, a verification system needs to be correspondingly modified, the flight verification system with the broadcast type automatic correlation monitoring function is correspondingly provided with answering machines, required data can be transmitted for a ground station, and the answering machines assembled by the verification system of the verification airplane need to pass airworthiness authentication. The flight calibration system for calibrating the carrying task load of the airplane has the advantages of strong controllability, wide flight airspace, more carrying task loads, more calibration subjects and the like. However, the mode task planning time is long, the organization coordination is difficult, the technical condition requirements are strict, uncertain factors are many, the verification cost is high, and the capability and efficiency of the current Chinese domestic flight verification can not meet the ADS-B verification requirement far away.
Disclosure of Invention
Based on this, the invention aims to provide an airport broadcast type automatic correlation monitoring flight verification system and method, which improve verification efficiency.
In order to achieve the purpose, the invention provides the following scheme:
an airport broadcast auto correlation surveillance flight verification system comprising:
the system comprises an unmanned aerial vehicle, an airborne ADS-B calibration system, an unmanned aerial vehicle monitoring ground station and an ADS-B ground station;
the unmanned aerial vehicle is in wired connection with the airborne ADS-B verification system; the airborne ADS-B verification system is wirelessly connected with the unmanned aerial vehicle monitoring ground station through an unmanned aerial vehicle data link; the airborne ADS-B verification system is in wireless connection with the ADS-B ground station through an ADS-B data link;
the airborne ADS-B verification system is used for sending ADS-B verification data of the unmanned aerial vehicle;
the unmanned aerial vehicle monitoring ground station is used for remotely controlling the unmanned aerial vehicle and receiving ADS-B verification data sent by an airborne ADS-B verification system through an unmanned aerial vehicle data chain;
the ADS-B ground station receives ADS-B verification data sent by the airborne ADS-B verification system through an ADS-B data link;
and performing flight verification by comparing ADS-B verification data received by the unmanned aerial vehicle monitoring ground station and the ADS-B ground station.
Optionally, the unmanned aerial vehicle includes a flight control module, an airborne positioning module, a radio station module, and a power conversion module;
the flight control module is used for receiving the ADS-B check number sent by the airborne ADS-B check system and transmitting the ADS-B check data to the unmanned aerial vehicle monitoring ground station in an unmanned aerial vehicle data chain mode;
the airborne positioning module is used for acquiring differential positioning information of the unmanned aerial vehicle and sending the differential positioning information serving as ADS-B verification data to the airborne ADS-B verification system;
the radio station module is in communication connection with the airborne positioning module and is used for receiving differential positioning information of the unmanned aerial vehicle sent by a ground verification load positioning system and sending the differential positioning information to the airborne positioning module;
and the power supply conversion module is used for converting the airborne power supply voltage obtained from the flight control module into the voltage required by the radio station module and supplying power to the radio station module.
Optionally, the airborne ADS-B verification system includes an ADS-B response module, a verification task processing module, and a verification data acquisition module;
the ADS-B response module is used for acquiring ADS-B verification data of the unmanned aerial vehicle;
the verification task processing module is in communication connection with the ADS-B response module and is used for receiving a control command of the unmanned aerial vehicle monitoring ground station and sending the control command to the ADS-B response module; the control command comprises a starting verification command and an ending verification command;
the verification data acquisition module is in communication connection with the ADS-B response module and is used for receiving and storing the ADS-B verification data and sending the ADS-B verification data to the flight control module.
Optionally, the ADS-B ground station determines whether the identity of the aircraft is correct by checking the received ADS-B check data for the C-mode code, the flight call number, and the 24-bit address code.
Optionally, the ADS-B verification data includes airplane identification information, position, altitude, speed, direction, and lifting rate of the drone.
The invention also discloses an airport broadcast type automatic correlation monitoring flight verification method, which is applied to the airport broadcast type automatic correlation monitoring flight verification system and comprises the following steps:
enabling the unmanned aerial vehicle to climb different heights, and recording position information of vanishing points and appearing points of the aircraft through the ADS-B ground station to obtain the flight range of the unmanned aerial vehicle on the height layer;
in the flight range of the altitude layer, enabling the unmanned aerial vehicle to fly in different directions to obtain an ADS-B coverage range;
comparing the ADS-B coverage range with a preset range to judge whether the ADS-B coverage range is within the preset range;
collecting ADS-B verification data of the unmanned aerial vehicle by adopting an airborne ADS-B verification system arranged on the unmanned aerial vehicle;
respectively sending the ADS-B verification data to an ADS-B ground station and an unmanned aerial vehicle monitoring ground station;
obtaining a verification result by comparing the ADS-B ground station with ADS-B verification data received by the unmanned aerial vehicle monitoring ground station;
and judging whether the checking result is within a preset precision range.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the invention, the unmanned aerial vehicle carries the airborne ADS-B verification system and acquires ADS-B verification data of the unmanned aerial vehicle through the airborne ADS-B verification system, the ADS-B ground station and the unmanned aerial vehicle monitoring ground station on the ground respectively receive the ADS-B verification data sent by the ADS-B response module, and the flight verification is carried out by comparing the ADS-B verification data received by the ADS-B ground station and the ADS-B verification data received by the unmanned aerial vehicle monitoring ground station, so that the verification efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an airport broadcast type auto-correlation monitoring flight verification system according to the present invention;
FIG. 2 is a detailed structural diagram of an airport broadcast type auto-correlation monitoring flight verification system according to the present invention;
FIG. 3 is a schematic diagram of an airport broadcast type auto-correlation monitoring flight verification method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an airport broadcast type automatic correlation monitoring flight verification system and method, which improve verification efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a schematic structural diagram of an airport broadcast type auto-correlation monitoring flight verification system according to the present invention, and as shown in fig. 1, the airport broadcast type auto-correlation monitoring flight verification system includes: the unmanned aerial vehicle 101, the airborne ADS-B verification system 1011, the ADS-B ground station 103 and the unmanned aerial vehicle monitoring ground station 104. Drone 101 is a multi-rotor drone.
The unmanned aerial vehicle 101 and the airborne ADS-B verification system 1011 are arranged on the unmanned aerial vehicle 101; the unmanned aerial vehicle 101 is in wired connection with an airborne ADS-B verification system 1011; the airborne ADS-B verification system 1011 is wirelessly connected with the unmanned aerial vehicle monitoring ground station 104 through an unmanned aerial vehicle data link; the airborne ADS-B verification system 1011 is in wireless connection with the ADS-B ground station 103 through a data link;
the airborne ADS-B verification system 1011 is used for sending ADS-B verification data of the unmanned aerial vehicle 101, and performing flight verification by comparing the ADS-B verification data received by the unmanned aerial vehicle monitoring ground station 104 and the ADS-B ground station 103.
Fig. 2 is a detailed structural schematic diagram of an airport broadcast type automatic correlation monitoring flight verification system of the present invention, and as shown in fig. 2, in the airport broadcast type automatic correlation monitoring flight verification system, the unmanned aerial vehicle 101 includes a flight control module 110, an airborne positioning module 106, a radio station module 107, and a power conversion module 108.
And the airborne positioning module 106 is arranged on the unmanned aerial vehicle 101 and used for acquiring the differential positioning information of the unmanned aerial vehicle 101 and sending the differential positioning information to the ADS-B answering module 102 as ADS-B verification data. The ADS-B verification data includes the lifting rate, position, azimuth, altitude, speed, etc. of the drone 101.
The ground verification load positioning system transmits the differential positioning information of the unmanned aerial vehicle 101 to the radio station module 107 in a data chain manner.
The onboard ADS-B verification system 1011 specifically includes an ADS-B response module 102, a verification task processing module 105, and a verification data acquisition module 109.
The verification task processing module 105 is arranged on the unmanned aerial vehicle 101, is in communication connection with the ADS-B response module 102, and is configured to receive a control command of the unmanned aerial vehicle monitoring ground station 104 and send the control command to the ADS-B response module 102; the control command includes a start check command and an end check command.
And the verification data acquisition module 109 is arranged on the unmanned aerial vehicle 101, is in communication connection with the ADS-B response module 102, and is used for receiving and storing the ADS-B verification data and sending the ADS-B verification data to the flight control module 110.
And the flight control module 110 is arranged on the unmanned aerial vehicle 101 and used for receiving the ADS-B check number sent by the check data acquisition module 109 and transmitting the ADS-B check data to the unmanned aerial vehicle monitoring ground station 104 in an unmanned aerial vehicle data chain mode.
The flight control module 110 is respectively connected with the verification task processing module 105, the verification data acquisition module 109, the ADS-B response module 102, the airborne positioning module 106 and the power conversion module 108 to supply power and transmit data, and downloads verification data to the ground monitoring equipment of the unmanned aerial vehicle 101 through the data link of the unmanned aerial vehicle 101.
The following describes an airport broadcast type auto correlation monitoring flight verification system of the present invention in detail.
An airport broadcast auto correlation surveillance flight verification system comprising: unmanned aerial vehicle 101 and ground measurement and control station are used in the verification.
The unmanned aerial vehicle 101 for calibration comprises an unmanned aerial vehicle body and unmanned aerial vehicle airborne ADS-B calibration equipment, wherein the unmanned aerial vehicle body is a multi-rotor unmanned aerial vehicle 101, and the unmanned aerial vehicle airborne ADS-B calibration equipment is installed in the unmanned aerial vehicle body; the ground measurement and control station is unmanned aerial vehicle 101 ground monitoring equipment and ADS-B ground station 103.
The unmanned aerial vehicle body includes an onboard positioning module 106, a radio station module 107, a power conversion module 108 and a flight control module 110.
The airborne positioning module 106 is used to provide differential positioning information of the drone.
The radio station module 107 is connected with the airborne positioning module 106 and used for receiving differential positioning information of the ground calibration load positioning system and providing accurate positioning information for the unmanned aerial vehicle calibration system.
The power conversion module 108 is connected to the radio module 107, and converts the onboard power voltage obtained from the flight control module 110 into a voltage required by the radio module 107 to power the radio module 107.
The flight control module 110 is connected with the unmanned aerial vehicle airborne ADS-B calibration equipment, supplies power to the unmanned aerial vehicle airborne ADS-B calibration equipment, performs data communication with the unmanned aerial vehicle airborne ADS-B calibration equipment, and downloads calibration data to the unmanned aerial vehicle ground monitoring equipment through an unmanned aerial vehicle data link.
The unmanned aerial vehicle airborne ADS-B verification device comprises a verification task processing module 105, a verification data acquisition module 109 and an ADS-B response module 102.
The verification task processing module 105 is configured to receive a control command from the drone monitoring ground station 104, and execute or end the verification task.
The verification data acquisition module 109 is configured to receive the ADS-B verification data acquired by the ADS-B response module 102 during the verification process, and perform data communication with the flight control module 110.
The ADS-B response module 102 is configured to collect ADS-B verification data of the drone 101.
The unmanned aerial vehicle body flight control module 110 is connected with the calibration equipment calibration task processing module 105, the airborne positioning module 106, the calibration data acquisition module 109, the ADS-B response module 102 and the power conversion module 108.
The ADS-B response module 102 is connected to the verification task processing module 105, the airborne positioning module 106, and the verification data acquisition module 109, respectively. Radio module 107 is coupled to on-board position module 106 and power conversion module 108, respectively. The power conversion module 108 converts the onboard power voltage obtained from the flight control module 110 to the voltage required by the radio module 107 to power the radio module 107.
The ADS-B response module 102 is connected with the verification data acquisition module 109 for data communication, and sends the ADS-B verification data of the unmanned aerial vehicle 101 to the verification data acquisition module 109, wherein the communication mode is RS232 serial port communication. The verification data acquisition module 109 is in data communication with the flight control module 110 via the RS422 bus.
The radio station module 107 performs data transmission of differential positioning information with a ground positioning reference station (ground verification load positioning system) through a data chain.
The ground stations include a drone monitoring ground station 104 and an airport ADS-B ground station 103.
The unmanned aerial vehicle monitoring ground station 104 is used for performing remote control and telemetry on the unmanned aerial vehicle 101 and receiving ADS-B verification data to complete display and storage of a verification task. The ADS-B ground station 103 is used for receiving the ADS-B data sent by the ADS-B response module 102 of the unmanned aerial vehicle 101.
The unmanned aerial vehicle monitoring ground station 104 sends a control instruction (starting verification or stopping verification) to the flight control module 110 in a data chain mode, the flight control module 110 receives the instruction and then transmits the instruction to the verification task processing module 105, and the verification task processing module 105 controls the ADS-B response module 102 to start or stop receiving and sending data;
the airborne positioning module 106 is connected with the radio station module 107, receives differential positioning information sent by the ground verification load positioning system through the radio station module 107, and when a verification starting instruction is received, the airborne positioning module 106 transmits the received differential positioning information to the ADS-B response module 102 so as to provide accurate positioning information for the unmanned aerial vehicle 101 verification system.
The ADS-B response module 102 sends ADS-B verification data to the ADS-B ground station 103 in a broadcasting mode, transmits the ADS-B verification data to the verification data acquisition module 109 through RS232, transmits the verification data acquisition module 109 to the flight control module 110 through RS422, and transmits the flight control module 110 to the unmanned aerial vehicle monitoring ground station 104 in a data chain mode for storage and display.
And comparing the ADS-B verification data of the unmanned aerial vehicle 101 received by the ADS-B ground station 103 with the ADS-B verification data information recorded and displayed by the unmanned aerial vehicle monitoring ground station 104, and analyzing whether the data precision meets the requirement or not. The ADS-B verification data are sent to the ADS-B ground station 103 and the unmanned aerial vehicle monitoring ground station 104, but the ADS-B ground station 103 receives the ADS-B verification data sent by the ADS-B response module 102 antenna through the ADS-B antenna, and the unmanned aerial vehicle monitoring ground station 104 receives the ADS-B verification data sent by the unmanned aerial vehicle 101 telemetering antenna, so that the ADS-B ground station 103 and the unmanned aerial vehicle monitoring ground station 104 have difference in actually received data, and whether the data precision of the actually received data difference meets the requirement is judged.
And checking the correctness of the processing of the ADS-B ground station 103 on the C mode code, the flight call number and the 24-bit address code in the ADS-B downlink data so as to analyze whether the ADS-B ground station 103 can correctly identify the identity of the aircraft.
Fig. 3 is a schematic diagram of an airport broadcast type auto correlation monitoring flight verification method of the present invention, and as shown in fig. 3, the airport broadcast type auto correlation monitoring flight verification method includes the following steps:
step 201: and enabling the unmanned aerial vehicle to climb to different heights, and recording the position information of the vanishing point and the appearing point of the aircraft through the ADS-B ground station to obtain the flight range of the height layer of the unmanned aerial vehicle.
Step 202: and in the flight range of the altitude layer, the unmanned aerial vehicle flies in different directions to obtain the ADS-B coverage range. The method comprises the steps that an unmanned aerial vehicle flies in different directions on each height layer within the flight range of the height layers to obtain the ADS-B coverage range on each height layer, and therefore the ADS-B coverage range of the unmanned aerial vehicle on the three-dimensional space is obtained.
Step 203: and comparing the ADS-B coverage range with a preset range to judge whether the ADS-B coverage range is within the preset range.
Step 204: and acquiring ADS-B verification data of the unmanned aerial vehicle by adopting an airborne ADS-B verification system arranged on the unmanned aerial vehicle.
Step 205: and respectively sending the ADS-B verification data to an ADS-B ground station and an unmanned aerial vehicle monitoring ground station.
Step 206: and obtaining a verification result by comparing ADS-B verification data received by the ADS-B ground station and the unmanned aerial vehicle monitoring ground station.
Step 207: and judging whether the checking result is within a preset precision range.
The following describes an airport broadcast type auto correlation monitoring flight verification method according to the present invention with specific embodiments.
Step1, preparation before flight, including ground communication and erection of a differential positioning reference station (ground verification load positioning system).
Step2, electrifying the system, detecting whether each part works normally, checking whether the ADS-B ground station 103 and the unmanned aerial vehicle monitoring ground station 104 can receive the position information sent by the unmanned aerial vehicle airborne ADS-B verification equipment ADS-B response module 102, and ensuring that the ADS-B response module 102 works normally.
Step3, checking the correctness of the ADS-B ground station 103 in processing the C mode code, the flight call number and the 24-bit address code in the ADS-B downlink data, so as to analyze the identity of the aircraft correctly identified by the ADS-B ground station 103 and ensure the capability of accurately downloading the data.
Step4, the unmanned aerial vehicle monitoring ground station 104 sends a control instruction, the unmanned aerial vehicle 101 starts to execute a verification task, the flight height of the airplane is determined according to the ADS-B design performance, the airplane flies through the ADS-B antenna at the height, and information of vanishing points and appearing point positions of the airplane is recorded; then climbing to other heights respectively to perform similar tests, and obtaining the layer top hollow blind areas with different heights; and (3) flying the airplane in different directions away from the ADS-B station at different heights until the airplane disappears, recording the position information of the vanishing point each time to obtain the ADS-B coverage range, and comparing the ADS-B coverage range with the expected range.
Step5, the data chain of the unmanned aerial vehicle 101 sends the ADS-B verification data collected by the verification data collection module 109 to the unmanned aerial vehicle monitoring ground station 104, and the unmanned aerial vehicle monitoring ground station 104 displays and stores the verification process of the unmanned aerial vehicle 101 in a broadcast type automatic correlation monitoring mode.
Step6, comparing the information of the airplane lifting speed, position, azimuth, altitude and speed received by the ADS-B ground station 103 with the information recorded and displayed by the unmanned aerial vehicle monitoring ground station 104, and analyzing whether the data accuracy meets the requirements.
Step7, after the verification task of the unmanned aerial vehicle 101 of the broadcast type automatic correlation monitoring is executed, the unmanned aerial vehicle monitoring ground station 104 sends an instruction of autonomous return flight and landing to the verification unmanned aerial vehicle 101, and the verification unmanned aerial vehicle 101 autonomously returns flight and lands in the designated area.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The method disclosed by the embodiment corresponds to the system disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. An airport broadcast auto correlation surveillance flight verification system, comprising:
the system comprises an unmanned aerial vehicle, an airborne ADS-B calibration system, an unmanned aerial vehicle monitoring ground station and an ADS-B ground station;
the unmanned aerial vehicle is in wired connection with the airborne ADS-B verification system; the airborne ADS-B verification system is wirelessly connected with the unmanned aerial vehicle monitoring ground station through an unmanned aerial vehicle data link; the airborne ADS-B verification system is in wireless connection with the ADS-B ground station through an ADS-B data link;
the airborne ADS-B verification system is used for sending ADS-B verification data of the unmanned aerial vehicle;
the unmanned aerial vehicle monitoring ground station is used for remotely controlling the unmanned aerial vehicle and receiving ADS-B verification data sent by an airborne ADS-B verification system through an unmanned aerial vehicle data chain;
the ADS-B ground station receives ADS-B verification data sent by the airborne ADS-B verification system through the ADS-B data link;
performing flight verification by comparing ADS-B verification data received by the unmanned aerial vehicle monitoring ground station and the ADS-B ground station;
and the ADS-B ground station confirms whether the identity of the aircraft is correct or not by checking the C mode code, the flight call number and the 24-bit address code in the received ADS-B check data.
2. The airport broadcast auto-correlation surveillance flight verification system of claim 1, wherein the drone includes a flight control module, an onboard positioning module, a radio station module, and a power conversion module;
the flight control module is used for receiving the ADS-B check number sent by the airborne ADS-B check system and transmitting the ADS-B check data to the unmanned aerial vehicle monitoring ground station in an unmanned aerial vehicle data chain mode;
the airborne positioning module is used for acquiring differential positioning information of the unmanned aerial vehicle and sending the differential positioning information to the airborne ADS-B verification system as ADS-B verification data;
the radio station module is in communication connection with the airborne positioning module and is used for receiving differential positioning information of the unmanned aerial vehicle sent by a ground verification load positioning system and sending the differential positioning information to the airborne positioning module;
and the power supply conversion module is used for converting the airborne power supply voltage obtained from the flight control module into the voltage required by the radio station module and supplying power to the radio station module.
3. The airport broadcast automatic dependent surveillance flight verification system of claim 2, wherein the onboard ADS-B verification system comprises an ADS-B response module, a verification task processing module and a verification data acquisition module;
the ADS-B response module is used for collecting ADS-B verification data of the unmanned aerial vehicle;
the verification task processing module is in communication connection with the ADS-B response module and is used for receiving a control command of the unmanned aerial vehicle monitoring ground station and sending the control command to the ADS-B response module; the control command comprises a starting verification command and an ending verification command;
the verification data acquisition module is in communication connection with the ADS-B response module and is used for receiving and storing the ADS-B verification data and sending the ADS-B verification data to the flight control module.
4. The airport broadcast auto-correlation surveillance flight verification system of claim 1, wherein the ADS-B verification data includes airplane identification information, position, altitude, speed, direction, and lift rate of the drone.
5. An airport broadcast type automatic correlation monitoring flight verification method applied to the airport broadcast type automatic correlation monitoring flight verification system as claimed in any one of claims 1 to 4, the method comprises the following steps:
enabling the unmanned aerial vehicle to climb different heights, and recording position information of vanishing points and appearing points of the aircraft through the ADS-B ground station to obtain the flight range of the unmanned aerial vehicle on the height layer;
in the flight range of the altitude layer, enabling the unmanned aerial vehicle to fly in different directions to obtain an ADS-B coverage range;
comparing the ADS-B coverage range with a preset range to judge whether the ADS-B coverage range is within the preset range;
collecting ADS-B verification data of the unmanned aerial vehicle by adopting an airborne ADS-B verification system arranged on the unmanned aerial vehicle;
respectively sending the ADS-B verification data to an ADS-B ground station and an unmanned aerial vehicle monitoring ground station;
comparing the ADS-B ground station with ADS-B verification data received by the unmanned aerial vehicle monitoring ground station to obtain a verification result;
and judging whether the checking result is within a preset precision range.
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| CN202110323042.9A CN112991822B (en) | 2021-03-26 | 2021-03-26 | Airport broadcast type automatic correlation monitoring flight verification system and method |
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