CN114994659B - A cloud base height monitoring system and method combining radar ranging and ADS-B equipment - Google Patents
A cloud base height monitoring system and method combining radar ranging and ADS-B equipment Download PDFInfo
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- CN114994659B CN114994659B CN202210428753.7A CN202210428753A CN114994659B CN 114994659 B CN114994659 B CN 114994659B CN 202210428753 A CN202210428753 A CN 202210428753A CN 114994659 B CN114994659 B CN 114994659B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003909 pattern recognition Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000004364 calculation method Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S13/867—Combination of radar systems with cameras
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a cloud bottom height monitoring system and a cloud bottom height monitoring method combining radar ranging and ADS-B equipment, wherein the cloud bottom height monitoring system comprises an airport, a camera radar ranging system and a cloud bottom height computing system in communication connection with the camera radar ranging system, a runway is arranged on the airport, a course platform is arranged at the landing tail end of the runway, the airport is provided with a lower inclined platform in the runway landing direction, the camera radar ranging system comprises a camera acquisition module and a radar ranging module, the camera acquisition module and the radar ranging module are respectively and movably installed at the top end of the course platform in a shooting angle adjustable mode, the cloud bottom height computing system comprises a pattern recognition module, a ranging cloud bottom height computing module and an aircraft height communication acquisition module, and a cloud aircraft recognition model is arranged in the pattern recognition module. The invention not only can scientifically calculate the estimated value of the cloud bottom height and is convenient for risk management and control, but also can obtain the actual value of the cloud bottom height by depending on the height value of the airplane, thereby improving the monitoring precision of the cloud bottom height and also improving the airport safety management water.
Description
Technical Field
The invention relates to the field of airport security management, in particular to a cloud base height monitoring system and method combining radar ranging with ADS-B equipment.
Background
The cloud bottom height, namely the vertical distance between the cloud bottom of the cloud layer and the elevation of the airport, is not less than 100 meters in the basic take-off or landing standard of the civil airport according to the rules of the formulation and implementation of the minimum standard of the operation of the aircraft by the civil aviation bureau. If visual avoidance of the obstacle is required during the flight procedure, the cloud base height is required to be at least 60 meters higher than the control obstacle. Part of airports can show specific requirements on cloud bottom height in the published aerograms, for example, when a certain runway takes off, if the climbing gradient is less than 4%, the cloud bottom height is required to be more than 300 meters, and then an instrument departure program can be executed. In summary, the cloud floor height is one of the data parameters that must be monitored for civil aviation airport operation, and the accuracy of the parameters may affect the flight release of the airport.
The traditional method for detecting the cloud bottom height in the civil aviation field is mainly based on a manual visual inspection method, namely, cloud shapes are judged by observing the appearance characteristics of low clouds, the cloud shapes are finely classified and mainly can be divided into accumulated clouds, accumulated rain clouds, broken layer clouds, rain layer clouds and the like, the cloud bottom height range is determined according to cloud shape types, then the cloud bottom height is further estimated according to cloud mass sizes, movement speeds and the like, when a cloud layer approaches or contacts an observation point, the cloud bottom height is estimated according to the relative height of a reference object and a cloud bottom distance reference object, the accuracy of the method is greatly influenced by human factors, and a conclusion can be accurately obtained by accumulating considerable experience.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a cloud base height monitoring system and method combining radar ranging and ADS-B equipment, wherein a camera shooting acquisition module and a pattern recognition module of a camera shooting radar ranging system can monitor a lower sliding table area, can recognize a cloud and continuously monitor the cloud as a target object, then the cloud ranging is carried out through the radar ranging module, a cloud base height predicted value is calculated according to a ranging angle and fed back to an airport management party, in addition, the invention continuously shoots and monitors the cloud target object, the characteristics of an airplane are recognized in the pattern recognition module, then the airplane passes through the cloud, and then an airplane height communication acquisition module of a cloud base height calculation system acquires the height data of the airplane at the moment and takes the height data as a cloud base height actual value, and correspondingly outputs the cloud base height actual value to the airport management party.
The aim of the invention is achieved by the following technical scheme:
The cloud bottom height monitoring system comprises an airport, a camera radar ranging system and a cloud bottom height computing system in communication connection with the camera radar ranging system, wherein a runway is arranged on the airport, a heading table is arranged at the landing tail end of the runway, the camera radar ranging system comprises a camera acquisition module and a radar ranging module, the camera acquisition module and the radar ranging module are respectively and movably installed at the top end of the heading table in an adjustable shooting angle mode, the cloud bottom height computing system comprises a pattern recognition module, a ranging cloud bottom computing module and an aircraft height communication acquisition module, the camera acquisition module is used for monitoring and shooting targets in sky in the landing direction of the runway and transmitting shot target images and shooting angles to the cloud bottom computing system, a cloud aircraft recognition model is arranged in the pattern recognition module, the pattern recognition module is used for carrying out cloud characteristics and aircraft characteristics on the target images and feeding back the recognition results to the camera radar ranging system, the radar ranging module is used for carrying out radar ranging on the targets, and the cloud bottom height computing module is used for carrying out bottom height communication computation according to the radar ranging results of the ranging modules and the radar ranging angles of the radar ranging modules, and the cloud bottom height computing module is used for carrying out communication on the cloud height data.
In order to better realize the cloud bottom height monitoring system, the cloud bottom height monitoring system also comprises ADS-B equipment, and the aircraft height communication acquisition module is in communication connection with the ADS-B equipment.
A cloud bottom height monitoring method combining radar ranging and ADS-B equipment comprises an airport, a camera radar ranging system and a cloud bottom height computing system in communication connection with the camera radar ranging system, wherein a runway is arranged on the airport, a course platform is arranged at the landing tail end of the runway, an inclined lower sliding table is arranged on the airport in the landing direction of the runway, the camera radar ranging system comprises a camera acquisition module and a radar ranging module, the camera acquisition module and the radar ranging module are respectively and movably installed at the top end of the course platform in a shooting angle adjustable mode, the cloud bottom height computing system comprises a pattern recognition module, a ranging cloud bottom height computing module and an aircraft height communication acquisition module, and a cloud aircraft recognition model is arranged in the pattern recognition module, and the cloud bottom height monitoring method comprises the following steps:
A. The image pickup acquisition module monitors and shoots a target object in the sky in the direction of the lower sliding table, and transmits a shot target object image and a shooting angle of the image pickup acquisition module to the cloud base height computing system, and the pattern recognition module of the cloud base height computing system performs feature recognition on whether a cloud exists in the target object image or not based on the cloud aircraft recognition model;
If the pattern recognition module recognizes the cloud characteristics in the target object image, judging the target object image as a cloud target object and entering the step B;
B. The cloud base height calculating system feeds back the characteristic result and the shooting angle of the identified cloud to the camera radar ranging system, the camera radar ranging system controls the radar ranging module to perform radar ranging on the cloud target according to the shooting angle as a ranging angle, and the ranging cloud base height calculating module calculates the height of the cloud target according to the ranging angle of the cloud target and the radar ranging result and takes the height as a cloud base height pre-estimated value, and correspondingly outputs the cloud base height pre-estimated value to an airport manager;
C. B, the camera shooting acquisition module continuously monitors and shoots the cloud target object in the step B, and transmits a cloud target object image and shooting angles to a cloud base height computing system, and a pattern recognition module of the cloud base height computing system recognizes whether the cloud target object contains airplane features or not based on a cloud airplane recognition model;
If the pattern recognition module recognizes the aircraft characteristics in the cloud target object, judging that the aircraft passes through the cloud and then entering the step D;
D. And the aircraft height communication acquisition module of the cloud base height calculation system acquires the height data of the aircraft at the moment and takes the height data as a cloud base height actual value, and correspondingly outputs the cloud base height actual value to an airport manager.
In order to better realize the cloud bottom height monitoring method, the shooting angle of the shooting radar ranging system control shooting acquisition module is the same as the ranging angle of the radar ranging module.
Compared with the prior art, the invention has the following advantages:
The invention further discloses a method for monitoring the cloud target object, which comprises the steps of monitoring a lower slipway area by combining a camera shooting acquisition module and a pattern recognition module, recognizing the cloud and continuously monitoring the lower slipway area as a target object, then measuring the cloud distance by the radar ranging module, calculating a cloud bottom height estimated value according to a distance measuring angle and feeding back the cloud bottom height estimated value to an airport management party, continuously shooting and monitoring the cloud target object, recognizing the characteristics of an airplane in the cloud target object of the pattern recognition module, judging that the airplane passes through the cloud, then acquiring the height data of the airplane at the moment by an airplane height communication acquisition module of a cloud bottom height calculation system, taking the height data as a cloud bottom height actual value, and correspondingly outputting the cloud bottom height actual value to the airport management party.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic view of an aircraft lower slipway;
fig. 3 is a schematic diagram showing a cloud around the lower slipway in the embodiment;
fig. 4 is a schematic view of an aircraft passing through a cloud near a lower slipway in an embodiment.
Wherein, the names corresponding to the reference numerals in the drawings are:
The system comprises a 1-camera radar ranging system, a 2-camera acquisition module, a 3-radar ranging module, a 4-course platform, a 5-runway, a 6-lower sliding table, 7-clouds, 8-aircrafts, a 9-cloud base height computing system, a 10-pattern recognition module, a 11-ranging cloud base height computing module and a 12-aircraft height communication acquisition module.
Detailed Description
The invention is further illustrated by the following examples:
Examples
As shown in FIG. 1, the cloud bottom height monitoring system combining radar ranging and ADS-B equipment comprises an airport, a camera radar ranging system 1 and a cloud bottom height computing system 9 in communication connection with the camera radar ranging system 1, wherein a runway 5 is arranged on the airport, a course platform 4 is arranged at the landing tail end of the runway 5, the camera radar ranging system 1 comprises a camera acquisition module 2 and a radar ranging module 3, and the camera acquisition module 2 and the radar ranging module 3 are respectively and movably installed at the top end of the course platform 4 in an adjustable shooting angle mode. The cloud base height computing system 9 comprises a pattern recognition module 10, a ranging cloud base height computing module 11 and an aircraft height communication collecting module 12, wherein the camera collecting module 2 is used for carrying out target object monitoring shooting on the sky in the landing direction of the runway 5 and transmitting the shot target object image and shooting angle to the cloud base height computing system 9, a cloud aircraft recognition model is arranged in the pattern recognition module 10, the pattern recognition module 10 is used for carrying out cloud feature and aircraft feature recognition on the target object image and feeding back recognition results to the camera radar ranging system 1, the radar ranging module 3 is used for carrying out radar ranging on the target object, the ranging cloud base height computing module 11 is used for carrying out cloud base height computing according to radar ranging results of the radar ranging module 3 and ranging angles of the radar ranging module 3, and the aircraft height communication collecting module 12 is used for collecting aircraft height data through communication.
The invention also includes an ADS-B device that can collect altitude data of a landing aircraft, and an aircraft altitude communication collection module 12 that is communicatively coupled to the ADS-B device.
The utility model provides a cloud bottom height monitoring method that combines radar range finding and ADS-B equipment, including airport, camera radar range finding system 1 and with camera radar range finding system 1 communication connection's cloud bottom high computing system 9, be equipped with runway 5 on the airport, the landing terminal of runway 5 is equipped with course platform 4, the airport has the lower slip table 6 of inclined plane form in runway 5 landing direction (as shown in FIG. 2, lower slip table 6 is the reference plane that the aircraft took off or landed), camera radar range finding system 1 includes camera acquisition module 2 and radar range finding module 3, camera acquisition module 2 and radar range finding module 3 adjustable shooting angle movable mounting respectively in course platform 4 top. The cloud base height computing system 9 comprises a pattern recognition module 10, a ranging cloud base height computing module 11 and an aircraft height communication acquisition module 12, wherein a cloud aircraft recognition model is arranged in the pattern recognition module 10. According to a preferred embodiment of the present invention, the camera radar ranging system 1 controls the shooting angle of the camera acquisition module 2 to be the same as the ranging angle of the radar ranging module 3, that is, the shooting angle of the camera acquisition module 2 in the camera radar ranging system 1 is kept synchronous and at the same angle as the ranging angle of the radar ranging module 3. Of course, the invention can arrange a plurality of groups of camera shooting radar ranging systems 1 at the top end of the navigation platform 4, and the shooting angles of the camera shooting acquisition modules 2 in each group of camera shooting radar ranging systems 1 and the ranging angles of the radar ranging modules 3 are kept synchronous, and the angles of the camera shooting acquisition modules and the ranging angles of the radar ranging modules are adjusted and monitored at the same angle, so that the multi-cloud monitoring operation near the area of the lower sliding table 6 can be realized.
The cloud base height monitoring method comprises the following steps:
A. The shooting acquisition module 2 monitors and shoots a target object in the sky in the direction of the lower sliding table 6, and transmits a shot target object image and a shooting angle of the shooting acquisition module 2 to the cloud base height calculation system 9, and the pattern recognition module 10 of the cloud base height calculation system 9 performs feature recognition on whether a cloud exists in the target object image or not based on a cloud aircraft recognition model.
If the pattern recognition module 10 does not recognize the cloud feature in the target image, the image capturing module 2 continues to monitor capturing. If the pattern recognition module 10 recognizes the cloud feature in the target image (as shown in fig. 3, if the pattern recognition module 10 recognizes the cloud feature in the target image, it determines that the target image in the area near the lower sliding table 6 is the cloud 7), it determines that the target image is a cloud target, and proceeds to step B.
B. The cloud bottom height calculating system 9 feeds back the characteristic result and the shooting angle of the identified cloud to the camera radar ranging system 1, the camera radar ranging system 1 controls the radar ranging module 3 to perform radar ranging on the cloud target according to the shooting angle as a ranging angle, the ranging cloud bottom height calculating module 11 calculates the height of the cloud target according to the ranging angle of the cloud target and the radar ranging result and uses the height as a cloud bottom height pre-estimated value, if the angle of the ranging angle is a, the distance result of the radar ranging is L, the vertical height H1 = sin (a) of the cloud 7 from the top end of the heading table 4 is L, and if the heading table 4 is H2, the cloud bottom height pre-estimated value H = H1+ H2 is correspondingly output to an airport management side.
C. The camera shooting and collecting module 2 continues to monitor and shoot the cloud target in the step B, and transmits the image and shooting angle of the cloud target to the cloud base height computing system 9, and the pattern recognition module 10 of the cloud base height computing system 9 recognizes whether the cloud target contains airplane characteristics or not based on a cloud airplane recognition model.
If the pattern recognition module 10 does not recognize the aircraft feature in the cloud object, the camera acquisition module 2 continues to monitor and shoot the cloud object. If the pattern recognition module 10 recognizes the aircraft feature in the cloud object (as shown in fig. 4, if the pattern recognition module 10 recognizes the aircraft feature in the cloud object, it is determined that the object image in the area near the lower slipway 6 has the cloud 7 and the aircraft 8 is passing through the cloud 7), it is determined that the aircraft is passing through the cloud and then step D is performed.
D. The aircraft altitude communication acquisition module 12 of the cloud base altitude calculation system 9 acquires the altitude data of the aircraft at the moment and takes the altitude data as a cloud base altitude actual value, and correspondingly outputs the cloud base altitude actual value to an airport manager.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038900A (en) * | 2017-04-25 | 2017-08-11 | 西安航空学院 | A kind of general aviation low-altitude monitor and service system |
| CN214335212U (en) * | 2021-03-25 | 2021-10-01 | 北京瑞达速通科技有限公司 | Distributed radar system for airport scene monitoring |
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| KR101736850B1 (en) * | 2016-09-12 | 2017-05-18 | (주)대지이엔지 | Mapping system of orthoimage reconstruction using the aerial photograph |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038900A (en) * | 2017-04-25 | 2017-08-11 | 西安航空学院 | A kind of general aviation low-altitude monitor and service system |
| CN214335212U (en) * | 2021-03-25 | 2021-10-01 | 北京瑞达速通科技有限公司 | Distributed radar system for airport scene monitoring |
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