Space-air-ground integrated air route meteorological information fusion method

Abstract

The invention discloses a space-air-ground integrated air route meteorological information fusion method. The method comprises the following steps: (1) an aircraft realizes ground-air collaborative sharing with a ground control service station through a safety type ground-air data chain; (2) the airborne mobile terminal obtains wind temperature data detected by an airborne meteorological radar and an airborne sensor in real time and meteorological detection data of real-time bumpiness in real time based on airborne interface equipment, carries out real-time processing by combining airborne high-precision pose information and downloads the data to a ground control service station based on a safety type ground-air data link; and (3) the ground control service station performs real-time fusion on various foundation aviation meteorological products and airborne detection route meteorological data, and pushes flight-related meteorological early warning and alarm information to a specified aircraft on the basis of a safety type ground-air data link according to requirements in combination with the current position of the aircraft and a flight handling plan.

Description

Technical Field

[0001] The present invention relates to the technical field of civil aviation data processing, and in particular to an air-ground-ground integrated route meteorological information fusion method. Background Art

[0002] Aviation meteorology is an important factor affecting civil aviation safety and one of the important conditions affecting the economic benefits of civil aviation. With the advancement of meteorological technology, my country's aviation meteorological forecasting and warning capabilities have been greatly improved, but there are still problems such as limited breadth and frequency of air-based meteorological data collection, lack of aerial detection means, and the inability to transmit rich aerial detection meteorological information to the ground, and the inability to push ground meteorological forecasting and warning information to the crew as needed.

[0003] The present invention constructs an airborne mobile terminal and a ground control service station, relying on airborne meteorological sensors, airborne meteorological radars and other equipment commonly equipped in civil aircraft, and utilizing the characteristics of high flight frequency, dense detection levels, and coverage of uninhabited areas and oceans. The airborne meteorological detection results are received and pre-processed in real time on the airborne mobile terminal, and transmitted to the ground control service station in real time based on a safety-type ground-to-air data link. The latter integrates the meteorological detection results of multiple aircraft to construct a multi-aircraft local meteorological detection model, combines various types of ground-observed civil aviation meteorological products to achieve multi-source data fusion, and pushes the dangerous weather on the route to the airborne mobile terminal of the designated flight crew on demand based on the safety-type ground-to-air data link, thereby breaking through the difficult problem of difficult and accurate continuous prediction of route weather, and providing the flight crew with real-time and reliable warning information of dangerous weather on the route. Summary of the invention

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to provide an air-ground-integrated route meteorological information fusion method, which relies on a safety-type ground-to-air data link to realize the real-time downlink of civil aircraft airborne meteorological detection data such as real-time turbulence, wind temperature detection data, and airborne meteorological radar data, realizes the fusion of airborne detection data and ground observation data, and pushes dangerous weather to designated flight crews on demand based on the safety-type ground-to-air data link, provides the flight crew with timely and reliable route dangerous weather warning information, and effectively improves flight safety.

[0005] The technical solution of the present invention is: the air-ground-integrated route meteorological information fusion method comprises the following steps:

[0006] (1) Aircraft achieves ground-to-air coordination with ground control service stations through safety-related ground-to-air data links

[0007] shared;

[0008] (2) The airborne mobile terminal obtains the wind temperature data and real-time turbulence meteorological detection data detected by the airborne weather radar and airborne sensors in real time based on the airborne interface device, and processes it in real time in combination with the airborne high-precision posture information and transmits it to the ground based on the safety-type ground-to-air data link.

[0009] Surface control service station;

[0010] (3) Ground control service stations provide various ground-based aviation meteorological products and airborne detection route meteorological products.

[0011] The data is integrated in real time, and combined with the aircraft's current location and flight plan, flight-related weather warnings and alerts are pushed to designated aircraft on demand based on the safety-related ground-to-air data link.

[0012] The air-ground-integrated route meteorological information fusion method provided by the present invention has the following advantages compared with the prior art: the airborne mobile device realizes real-time collection of various airborne meteorological detection data based on the airborne interface device and realizes preprocessing, and transmits it to the ground control service station in real time based on the safety-type ground-to-air data link; the airborne mobile terminal realizes graphical display after obtaining flight-related dangerous weather through the safety-type ground-to-air data link, and realizes route dangerous weather warning in combination with the high-precision posture and flight route obtained by the airborne bus; the ground control service station constructs a single-machine local meteorological detection model based on various meteorological detection preprocessing information and high-precision posture information of the aircraft transmitted by the aircraft's airborne mobile terminal, fuses the meteorological detection data of multiple aircraft into a multi-aircraft local meteorological detection model, and then integrates it with ground-based space-based and ground-based meteorological detection products, making full use of the high flight frequency, dense detection levels, and coverage of uninhabited areas and oceans of civil passenger aircraft, effectively improving the existing real-time meteorological detection data, improving the accuracy of meteorological forecasts, and solving the problem that route meteorology is difficult to detect accurately and continuously. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Shown is a working principle diagram of the air-ground-integrated route meteorological information fusion method according to the present invention. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0015] In order to make the description of the present disclosure more detailed and complete, the following provides an illustrative description of the implementation and specific embodiments of the present invention; however, this is not the only form of implementing or using the specific embodiments of the present invention. The implementation covers the features of multiple specific embodiments and the method steps and sequences used to construct and operate these specific embodiments. However, other specific embodiments can also be used to achieve the same or equivalent functions and step sequences.

[0016] like Figure 1 As shown, this air-ground-integrated route meteorological information fusion method includes the following steps:

[0017] (1) Aircraft realizes ground-to-air collaborative sharing with ground control service stations through safety-related ground-to-air data links;

[0018] (2) The airborne mobile terminal obtains the wind temperature data and real-time turbulence meteorological detection data detected by the airborne meteorological radar and airborne sensors in real time based on the airborne interface device, and processes it in real time in combination with the airborne high-precision posture information and transmits it to the ground control service station based on the safety-type ground-to-air data link;

[0019] (3) Ground control service stations provide various ground-based aviation meteorological products and airborne detection route meteorological products.

[0020] The data is integrated in real time, and combined with the aircraft's current location and flight plan, flight-related weather warnings and alerts are pushed to designated aircraft on demand based on the safety-related ground-to-air data link.

[0021] The air-ground-integrated route meteorological information fusion method provided by the present invention has the following advantages compared with the prior art: the airborne mobile device realizes real-time collection of various airborne meteorological detection data based on the airborne interface device and realizes preprocessing, and transmits it to the ground control service station in real time based on the safety-type ground-to-air data link; the airborne mobile terminal realizes graphical display after obtaining flight-related dangerous weather through the safety-type ground-to-air data link, and realizes route dangerous weather warning in combination with the high-precision posture and flight route obtained by the airborne bus; the ground control service station constructs a single-machine local meteorological detection model based on various meteorological detection preprocessing information and high-precision posture information of the aircraft transmitted by the aircraft's airborne mobile terminal, fuses the meteorological detection data of multiple aircraft into a multi-aircraft local meteorological detection model, and then integrates it with ground-based space-based and ground-based meteorological detection products, making full use of the high flight frequency, dense detection levels, and coverage of uninhabited areas and oceans of civil passenger aircraft, effectively improving the existing real-time meteorological detection data, improving the accuracy of meteorological forecasts, and solving the problem that route meteorology is difficult to detect accurately and continuously.

[0022] Preferably, the step (2) comprises the following sub-steps:

[0023] (2.1) The airborne mobile terminal performs pre-processing of various airborne meteorological detection products and real-time downlink based on the safety-type ground-to-air data link, providing the ground control service station with air-based detection data obtained by airborne meteorological sensors;

[0024] (2.2) Based on the safety-related ground-to-air data link, the system receives and graphically displays en-route hazardous weather detection information, and provides en-route weather warning and alert services to the crew.

[0025] Preferably, in the step (2.1), the airborne meteorological detection product is preprocessed, and the airborne multi-sensor meteorological environment detection results are obtained in real time based on the airborne interface equipment, including: detection data of various meteorological detection equipment such as airborne meteorological radar, airborne wind temperature detection and water vapor detection, and according to the avionics equipment airborne equipment interface standard, various meteorological data are obtained by the airborne bus and parsing, splitting and feature extraction are completed.

[0026] Preferably, in the step (2.1), the aircraft-borne mobile terminal combines the high-precision posture information acquired in real time by the airborne inertial navigation equipment to construct an aircraft altitude profile model, combines the detection frequency, accuracy and range of various types of meteorological detection data, and uses the aircraft motion model to calculate the motion compensation of the meteorological product sampling data in real time.

[0027] Preferably, in the step (2.1), transmission thresholds are constructed for different types of meteorological detection products to eliminate dirty data and invalid data.

[0028] Preferably, in the step (2.1), dangerous weather detection information is received in real time, and the airborne mobile terminal obtains the route-related dangerous weather pushed by the ground control service station in real time based on the safety-type ground-to-air data link, and the route dangerous weather information is displayed based on the GIS engine. At the same time, the high-precision posture obtained in real time through the airborne bus is combined with the flight plan to execute dangerous weather warning and alarm functions.

[0029] Preferably, in step (3), the ground control service station obtains in real time the pre-processed airborne meteorological detection information and high-precision posture information transmitted by the aircraft's onboard mobile terminal through the safety-type ground-to-air data link, comprehensively considers the detection breadth, range, accuracy, frequency of various airborne meteorological sensors and the information of the aircraft's location, altitude, and flight radial speed, and constructs a single-machine local meteorological detection model for different types of meteorological detection information. The meteorological detection information transmitted by the airborne mobile terminals of multiple aircraft ends is further integrated and a multi-aircraft local meteorological detection model is constructed. At the same time, it is integrated with various aviation meteorological products of ground-based, space-based and air-based detection to form an air-ground-ground three-in-one meteorological detection network, enriching the real-time meteorological database.

[0030] Preferably, in step (3), the ground control service station combines information on different types of weather, affected areas, moving directions, and effective times, and pushes flight-related meteorological warning information to the affected flight crew on demand based on the safety-related ground-to-air data link, and the latter performs graphical display and on-demand warnings.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A method for integrating air-space-ground-route meteorological information, characterized by: It includes the following steps: (1) Aircraft realizes ground-to-air collaborative sharing with ground control service stations through safety-related ground-to-air data links; (2) The airborne mobile terminal obtains the wind temperature data and real-time turbulence meteorological detection data detected by the airborne meteorological radar and airborne sensors in real time based on the airborne interface device, and processes it in real time in combination with the airborne high-precision posture information and transmits it to the ground control service station based on the safety-type ground-to-air data link; (3) The ground control service station integrates various ground-based aviation meteorological products with airborne detection route meteorological data in real time, and pushes flight-related meteorological warning and alert information to designated aircraft on demand based on the safety-related ground-to-air data link in combination with the aircraft's current location and flight plan.

2. The air-ground-integrated route meteorological information fusion method according to claim 1 is characterized by: The step (2) comprises the following sub-steps: (2.1) The airborne mobile terminal performs pre-processing of various airborne meteorological detection products and real-time downlink based on the safety-type ground-to-air data link, providing the ground control service station with air-based detection data obtained by airborne meteorological sensors; (2.2) Based on the safety-related ground-to-air data link, the system receives and graphically displays en-route hazardous weather detection information, and provides en-route weather warning and alert services to the crew.

3. The air-ground-integrated route meteorological information fusion method according to claim 2 is characterized by: In the step (2.1), the airborne meteorological detection product is preprocessed, and the airborne multi-sensor meteorological environment detection results are obtained in real time based on the airborne interface equipment, including: detection data of various meteorological detection equipment such as airborne meteorological radar, airborne wind temperature detection and water vapor detection. According to the airborne equipment interface standard of avionics equipment, various meteorological data are obtained by the airborne bus and parsing, splitting and feature extraction are completed.

4. The air-ground-integrated route meteorological information fusion method according to claim 3 is characterized by: In the step (2.1), the aircraft-mounted mobile terminal combines the high-precision posture information acquired in real time by the airborne inertial navigation equipment to construct an aircraft altitude profile model, combines the detection frequency, accuracy, and range of various types of meteorological detection data, and uses the aircraft motion model to calculate the motion compensation of meteorological product sampling data in real time.

5. The air-ground-integrated route meteorological information fusion method according to claim 4 is characterized by: In the step (2.1), transmission thresholds are constructed for different types of meteorological detection products to remove dirty data and invalid data.

6. The air-ground-air route meteorological information fusion method according to claim 5 is characterized by: In the step (2.1), dangerous weather detection information is received in real time, and the airborne mobile terminal obtains the route-related dangerous weather pushed by the ground control service station in real time based on the safety-type ground-to-air data link, and the route dangerous weather information is displayed based on the GIS engine. At the same time, the high-precision posture obtained in real time through the airborne bus is combined with the flight plan to execute dangerous weather warning and alarm functions.

7. The air-ground-integrated route meteorological information fusion method according to claim 6 is characterized by: In the step (3), the ground control service station obtains the pre-processed airborne meteorological detection information and high-precision posture information transmitted by the aircraft's onboard mobile terminal in real time through the safety-type ground-to-air data link, comprehensively considers the detection breadth, range, accuracy, frequency of various airborne meteorological sensors and the information of the aircraft's location, altitude, and flight radial speed, and constructs a single-aircraft local meteorological detection model for different types of meteorological detection information. The meteorological detection information transmitted by the airborne mobile terminals of multiple aircraft ends is further integrated and a multi-aircraft local meteorological detection model is constructed. At the same time, it is integrated with various aviation meteorological products detected on the ground, space-based, and air-based to form an air-ground-ground three-in-one meteorological detection network, enriching the real-time meteorological database.

8. The air-ground-air route meteorological information fusion method according to claim 7 is characterized by: In step (3), the ground control service station combines information on different types of weather, affected areas, moving directions, and effective times, and pushes flight-related weather warning information to the affected flight crew on demand based on the safety-related ground-to-air data link, and the latter performs graphical display and on-demand warnings.

Images