CN111723014A - Test data generation system for ADS-B large-scale integration test - Google Patents
Test data generation system for ADS-B large-scale integration test Download PDFInfo
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Abstract
The invention discloses a test data generation system for ADS-B large-scale integration test, which can generate static large-scale ADS-B simulation data according to an address code, longitude and latitude, height, speed, direction, the number of produced ADS-B information and the maximum distance from an initial position of an input airplane S mode; and generating the dynamic position information of each virtual ADS-B device according to the aircraft S mode address code, the starting point longitude, the ending point longitude and latitude, the cruising altitude, the speed, the direction, the climbing rate, the descending rate and the message period of each virtual ADS-B device. The invention can test ADS-B equipment in the development stage.
Description
Technical Field
The invention relates to a test system, in particular to a test data generation system for ADS-B large-scale integration test.
Background
With the continuous development of civil aviation transportation industry, the construction of a brand-new civil aviation navigation system becomes an important development trend of civil aviation in various countries. The ADS-B technology has the characteristics of low cost, small precision error and strong monitoring capability, is suitable for air traffic service in high-density flight areas, effectively solves and avoids various defects of the traditional monitoring mode, and has superiority which is obviously the main means for air traffic monitoring in the future. However, this technology is currently still in use in china in its infancy, where it is implemented only on the west few routes. For the Chinese air transportation industry in the growing period, the limitation of the airspace range, the expansion of the fleet scale and the further transformation and improvement of the air management facilities are important periods for accelerating the ADS-B technology development. Meanwhile, the popularization and application of the ADS-B technology relate to the updating and modification of airborne equipment in the aspect of airlines and the adjustment of the structure of ground facilities in the aspect of air traffic control, and the standard formulation and operation certification in the aspect of civil aviation bureaus, so that all the applications of the ADS-B can be realized early by powerful cooperation and integral promotion of all the parties, and a foundation is laid for the construction of the civil aviation strong country.
The problems existing at present are as follows:
1. the broadcast automatic dependent surveillance-broadcast (ADS-B) technology is developed into a mainstream monitoring system recommended by the international civil aviation organization at present, but in application and development, large-scale data cannot be accessed for testing, and after the development is finished and the use is put into use, if a fault occurs, the loss caused by the fault cannot be measured;
2. in the development stage of the application system, the test can be carried out only through the ADS-B hardware equipment environment, so that the development efficiency is low;
3. at present, there is no means for testing the application system by large-scale data, and after the application system is put into use, the test can be carried out only when the large-scale data is accessed into ADS-B equipment. If a problem occurs in the system application, a relatively great loss may be caused.
Disclosure of Invention
The invention aims to provide a test data generation system for ADS-B large-scale integration test, which is used for testing ADS-B equipment in a development stage by simulating large-scale ADS-B data.
The invention aims to be realized by the following technical scheme:
a test data generation system for ADS-B large-scale integration test comprises a data generation module, wherein the data generation module comprises a data coding submodule;
the data coding sub-module provides a user interaction interface for an operator to input ADS-B parameter information and select the type of ADS-B simulation data;
when an operator selects static large-scale ADS-B analog data, ADS-B parameter information needing to be recorded comprises aircraft S mode address codes, longitude and latitude, height, speed and direction, the number of the produced ADS-B information and the maximum distance from the initial position are also set, and the data coding submodule generates S mode address codes and position information of a plurality of virtual ADS-B devices according to a rule according to the recorded aircraft S mode address codes, longitude and latitude, height and number; according to the input maximum distance, selecting virtual ADS-B equipment with the position data falling within the sphere range to generate static large-scale ADS-B simulation data by taking the initial position as the sphere center and the maximum distance as the sphere radius;
when an operator selects dynamic ADS-B analog data, the ADS-B parameter information to be recorded comprises an aircraft S mode address code, starting point longitude, ending point longitude and latitude, cruising altitude, speed, direction, climbing rate, descending rate and message period aiming at each virtual ADS-B device, and the data coding submodule generates dynamic position information of each virtual ADS-B device according to the ADS-B parameter information, namely the dynamic ADS-B analog data;
and finally, the data coding submodule codes the static large-scale ADS-B analog data and the dynamic ADS-B analog data according to the ADS-B data format.
When the data check submodule detects static large-scale ADS-B analog data or dynamic ADS-B analog data input by the data coding submodule, judging whether the analog data belongs to ADS-B data or not, if the analog data accords with the rule, carrying out check comparison according to an ADS-B data format, and inputting the ADS-B analog data qualified in check into the data sending submodule;
and the data sending submodule sends data to the ADS-B equipment to be tested according to the type of the selected ADS-B analog data and a certain sending period.
Furthermore, the test data generation system for ADS-B large-scale integration test also comprises a data integration display module for displaying the data verification result, the position data and the map.
Furthermore, the test data generation system for ADS-B large-scale integration test further comprises a data storage module, and the data storage module is used for storing the position data, the S mode address code and the data verification result of the virtual ADS-B equipment and storing preset information.
The invention has the beneficial effects that:
the invention can provide high-efficiency test environment in development and application and improve the development efficiency of an application system. And in the development stage, an ADS-B hardware test environment is not required to be deployed, the investment cost is reduced, large-scale test data is provided after the application system is developed, and the stability and reliability of the system are tested in advance. By carrying out large-scale data test on the application system in advance, the problems and unnecessary loss caused when the application system is put into use and is accessed to ADS-B equipment in batches are reduced.
In the data generation module, static large-scale ADS-B simulation data are randomly generated by taking the initial distance as the sphere center and the maximum distance as the sphere radius. The data volume generated in a large scale is controllable, the quantity is determined by a user according to the requirement, and the requirement of different application scenes can be met. The data randomly distributed in the sphere has better three-dimensional presentability and irrelevance, and can be really applied to different flight scenes. In the dynamic ADS-B simulation data generation process, the data generation amount is generally set to be fixed, the longitude, the latitude and the altitude of each airplane are set one by one, the correlation among different data is high, the application scene is relatively single, and the continuous track processing capability can be tested.
Drawings
FIG. 1 is a schematic structural diagram of a test data generation system for ADS-B LSI testing.
FIG. 2 is a schematic diagram of ADS-B large-scale simulation data generation.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, a test data generation system for ADS-B large scale integration test includes a data generation module, a data integration display module, and a data storage module.
Data generating module
The data generation module is used for ADS-B parameter information input, data generation and encoding, data verification and data external transmission, and comprises a data encoding submodule, a data verification submodule and a data transmission submodule.
The data coding sub-module provides a user interaction interface for an operator to enter ADS-B parameter information and select the type of the ADS-B simulation data. The types of the ADS-B analog data are classified into static large-scale ADS-B analog data and dynamic ADS-B analog data.
When an operator selects static large-scale ADS-B simulation data, ADS-B parameter information needing to be recorded comprises aircraft S mode address codes, longitude and latitude, height, speed and direction, the number of produced ADS-B information and the maximum distance from the initial position are set, the initial position information can be selected according to a test scene, the value range is any position of the ground, and the ADS-B simulation data generally comprises the using place of tested equipment besides boundaries such as poles and equator. The data coding submodule firstly generates S mode address codes and position information of a plurality of virtual ADS-B devices according to a rule according to the input S mode address codes, longitude and latitude, height and number of airplanes, the S mode address codes are automatically coded by adopting hexadecimal, and the S mode address codes and the position data are stored; according to the input maximum distance, the initial position is taken as the sphere center, the maximum distance is taken as the sphere radius, and the virtual ADS-B equipment with the position data falling within the sphere range is selected to generate static large-scale ADS-B simulation data, so that the three-dimensional presentation and irrelevance of the data are fully reflected, as shown in figure 1; the amount of data generated can be set as required, with sufficient flexibility. The ability of the ADS-B equipment to be tested for processing the ADS-B data can be tested through static ADS-B simulation data, and the method belongs to the capacity test range, the limit test and more target airplanes.
When an operator selects dynamic ADS-B analog data, the ADS-B parameter information to be recorded comprises an aircraft S mode address code, a starting point longitude, an ending point longitude and latitude, a cruising altitude, a speed, a direction, a climbing rate, a descending rate, a message period and the like aiming at each virtual ADS-B device. And the data coding submodule generates dynamic position information of each virtual ADS-B device, namely dynamic ADS-B simulation data, according to the ADS-B parameter information to describe the flight mode and the track. The flight modes include four flight modes of take-off, cruise, landing and complete flight (including take-off, cruise and landing). According to the input key parameter information, automatic calculation is carried out, new position data are generated, and dynamic data position information is stored; the dynamic ADS-B simulation data can test the continuous track processing capability of the ADS-B equipment to be tested.
And the data coding submodule codes the static large-scale ADS-B analog data and the dynamic ADS-B analog data according to the ADS-B data format and inputs the coded ADS-B analog data into the data verification submodule.
Due to the reasons of algorithm boundary setting, special numerical value processing and the like, the generated ADS-B analog data may have abnormity. Therefore, the exception is processed by the data checking submodule in the embodiment, and the final test data is ensured to be complete and error-free. When the data check submodule detects static large-scale ADS-B analog data or dynamic ADS-B analog data input by the data coding submodule, whether the analog data belong to ADS-B data or not is judged, when the analog data are judged to be in accordance with rules, check comparison is carried out according to an ADS-B data format, the ADS-B analog data which are qualified in check are input into the data sending submodule, the check comparison result is stored in the data check result storage module, and the data are displayed through the data check result input data integration display module.
And the data sending submodule sends data to the ADS-B equipment to be tested according to the type of the selected ADS-B analog data and a certain sending period.
(II) data integrated display module
The data integration display module is used for displaying a data verification result, position data and a map, and comprises: the electronic map display sub-module, the data verification result display sub-module and the position data display sub-module.
The electronic map display sub-module is developed and designed based on a Baidu map, and functions of the electronic map such as amplification, reduction, dragging translation and distance measurement are achieved. The method has a user interaction interface, and an operator can check the relevant information of the virtual ADS-B equipment, such as the information of the S mode address code, the current longitude and latitude, the height, the speed and the like of the airplane, and check the historical track of the virtual ADS-B equipment by selecting the virtual ADS-B equipment displayed on a map.
And the data verification result display is used for displaying whether the time, the data length and the verification result of the data verification module for receiving the data are correct or not, and prompting an error field when an error occurs.
The position data display submodule is used for checking data such as data generation time, airplane S mode address codes, flight numbers, longitude and latitude, altitude, speed, direction and the like in a certain time period in a form of a table.
(III) data storage module
The data storage module is used for storing the position data, the S-mode address code, the data verification result and the preset information of the virtual ADS-B equipment, and comprises a data verification result storage submodule, a position data storage submodule and a preset information storage submodule.
And the data verification result storage submodule stores the data verification result of the data verification submodule into a database.
And the position data storage submodule stores the position data generated by the data generation submodule into a database.
The preset information storage submodule is used for storing the refreshing frequency of the map and preset data which is stored as a template during manual recording into a database.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (4)
1. A test data generation system for ADS-B large-scale integration test comprises a data generation module, and is characterized in that the data generation module comprises a data coding submodule;
the data coding sub-module provides a user interaction interface for an operator to input ADS-B parameter information and select the type of ADS-B simulation data;
when an operator selects static large-scale ADS-B analog data, ADS-B parameter information needing to be recorded comprises aircraft S mode address codes, longitude and latitude, height, speed and direction, the number of the produced ADS-B information and the maximum distance from the initial position are also set, and the data coding submodule generates S mode address codes and position information of a plurality of virtual ADS-B devices according to a rule according to the recorded aircraft S mode address codes, longitude and latitude, height and number; according to the input maximum distance, selecting virtual ADS-B equipment with the position data falling within the sphere range to generate static large-scale ADS-B simulation data by taking the initial position as the sphere center and the maximum distance as the sphere radius;
when an operator selects dynamic ADS-B analog data, the ADS-B parameter information to be recorded comprises an aircraft S mode address code, starting point longitude, ending point longitude and latitude, cruising altitude, speed, direction, climbing rate, descending rate and message period aiming at each virtual ADS-B device, and the data coding submodule generates dynamic position information of each virtual ADS-B device according to the ADS-B parameter information, namely the dynamic ADS-B analog data;
and finally, the data coding submodule codes the static large-scale ADS-B analog data and the dynamic ADS-B analog data according to the ADS-B data format.
2. The test data generation system for ADS-B large-scale integration test according to claim 1, wherein the data generation module further comprises a data check submodule and a data transmission submodule, when the data check submodule detects static large-scale ADS-B analog data or dynamic ADS-B analog data input by the data coding submodule, the data check submodule first judges whether the analog data belongs to ADS-B data, and when the analog data is judged to meet a rule, the ADS-B data format is used for checking and comparing, and the ADS-B analog data which is qualified in the checking is input into the data transmission submodule;
and the data sending submodule sends data to the ADS-B equipment to be tested according to the type of the selected ADS-B analog data and a certain sending period.
3. The test data generation system for ADS-B LSI testing according to claim 2, further comprising a data integration display module for displaying data verification results, location data and maps.
4. The test data generation system for ADS-B large scale integration test according to claim 2, further comprising a data storage module, configured to store the location data, the S mode address code, and the data verification result of the virtual ADS-B device and store preset information.
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| CN113163335A (en) * | 2021-03-12 | 2021-07-23 | 中航空管系统装备有限公司 | Fusion and forwarding system for ADS-B data |
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