Virtual-real combined aircraft testing device and system
By using a virtual-physical combined aircraft testing device and system, and utilizing test datasets and hardware-in-the-loop simulation modules, the problems of high cost and long cycle in UAV testing have been solved, achieving efficient and reliable UAV performance testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING INST OF RADIO METROLOGY & MEASUREMENT
- Filing Date
- 2025-12-05
- Publication Date
- 2026-04-21
AI Technical Summary
Existing drone testing technologies suffer from high testing costs, long testing cycles, and high system complexity, making it difficult to effectively test the safety performance of drones.
A virtual-real combined aircraft testing device and system is adopted. By constructing a test dataset and a hardware-in-the-loop simulation module, and combining the measured data to build a virtual test scenario, the system simulates electromagnetic interference and communication environment to conduct real-time simulation tests.
It reduces testing costs, shortens testing cycles, and improves the reliability and repeatability of test results. It can accurately reproduce faults and perform in-depth diagnosis, reflecting the performance and safety of physical aircraft in real environments.
Smart Images
Figure CN121894174A_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of aircraft testing. More specifically, it relates to a virtual-real combined aircraft testing apparatus and system. Background Technology
[0002] Currently, the low-altitude economy, as an important component of strategic emerging industries, is entering a critical period of rapid development, but it faces severe challenges such as frequent low-altitude flight safety accidents. The accident rate for low-altitude drones is as high as 4.4 incidents per 100,000 flight hours, more than three times the rate of car accidents. Unauthorized drone flights pose threats such as interference with the normal flight of civil aviation drones and the leakage of state secrets through aerial photography. Therefore, strengthening drone safety testing capabilities is crucial, which necessitates the development of supporting safety testing capabilities for drones and related facilities.
[0003] Currently, drone testing capabilities mainly rely on establishing traditional testing sites for actual drone performance testing, which leads to problems such as high testing costs, long cycles, and high system complexity. This invention proposes a virtual-real integrated drone testing system. By constructing a drone simulation testing system based on actual test datasets, simulation testing methods are used to replace actual testing, reducing testing costs, shortening testing cycles, and promoting the rapid development of the drone industry. Summary of the Invention
[0004] The purpose of this disclosure is to provide a virtual-real combined testing device and system for aircraft that is efficient and low in testing cost, in order to solve at least one of the problems existing in the prior art.
[0005] To achieve the above objectives, the present disclosure adopts the following technical solution: The first aspect of this disclosure provides a virtual-real combined aircraft testing device, comprising: Test dataset construction module and hardware-in-the-loop simulation module; The test dataset construction module is used to build and manage multiple test datasets, which include at least: The electromagnetic compatibility test dataset is used to store the electromagnetic interference parameters applied to the aircraft under test during the electromagnetic compatibility test, as well as the response data and flight control system status of the aircraft under test during the electromagnetic compatibility test; the electromagnetic interference parameters applied to the aircraft under test during the electromagnetic compatibility test are sample data obtained during the actual electromagnetic compatibility test. Wireless communication reliability test dataset, used to store communication performance indicators of the communication link of the aircraft under test; The electromagnetic environment test dataset includes sample data of external electromagnetic environment tests under multiple different environments, as well as response data of the aircraft under test and the status of the flight control system during electromagnetic environment tests; the external electromagnetic environment test sample data is sample data obtained from tests in actual external electromagnetic environments. The hardware-in-the-loop simulation module includes: The evaluation scenario management unit is used to store, define, and manage evaluation metrics for multiple aircraft. The digital resource management unit is used to integrate and manage three-dimensional environment models, aircraft dynamic parameters, and sensor data to construct virtual test scenarios, and to configure the virtual test scenarios based on the electromagnetic interference parameters and / or electromagnetic environment test sample data to obtain the configured virtual scenarios. The simulation and deduction unit is used to call up the configured virtual scene, obtain the flight control system status of the aircraft under test in real time to simulate the movement of the aircraft under test in the virtual scene; based on the electromagnetic environment parameters of the simulated position of the aircraft under test in the virtual scene, control the electromagnetic interference device to output electromagnetic interference signals to the aircraft under test; obtain the response data of the aircraft under test and the communication performance indicators of the communication link, and perform real-time quantitative evaluation based on the evaluation indicators.
[0006] Furthermore, the electromagnetic interference parameters include electrostatic discharge anti-interference parameters, including discharge mode, discharge voltage level, discharge frequency and number of discharges, and discharge point.
[0007] Furthermore, the response data includes communication link quality.
[0008] Furthermore, the flight control system status includes attitude angle and angular velocity.
[0009] Furthermore, the communication performance indicators include a subset of basic communication performance tests, a subset of anti-interference capability tests, and environmental configuration information; The basic communication performance test subset includes communication rate, delivery rate, maximum communication distance, hopping rate, communication latency, and the set data for index calculation; The anti-interference capability test subset includes communication anti-interference capability test data and navigation anti-suppression or anti-deception capability test data. The environmental configuration information includes device information, environmental information, and data tags.
[0010] Furthermore, the communication anti-interference capability test data includes communication signals, interference signals, interference frequency points, and throughput thresholds; The navigation anti-suppression or anti-deception capability test data includes interference source channels, interference signals, number of interference sources, and interference-to-signal ratio.
[0011] Furthermore, the evaluation scenario management unit is also used to match corresponding evaluation indicators based on the type or model of the aircraft under test, according to the first preset rule base.
[0012] Furthermore, the digital resource management unit is configured to support the import and version control of multi-source heterogeneous data.
[0013] Furthermore, the simulation and deduction unit is used to control the electromagnetic interference device to output electromagnetic interference signals to the communication module of the aircraft under test.
[0014] The second aspect of this invention provides a virtual-real combined aircraft testing system, comprising: Electromagnetic interference device, flight simulation turntable for simulating the flight control system status of the aircraft under test, and a virtual-real combined aircraft testing device as described in any one of the first aspects.
[0015] The beneficial effects of this disclosure are as follows: This invention uses a test device to perform a semi-physical simulation that combines virtual and real elements with the aircraft under test. Based on the actual testing process, this invention constructs multiple test datasets. Compared with traditional virtual simulation systems, the role of the test datasets is to correct the test results of the virtual simulation system, making the test results closer to the actual scenario.
[0016] This invention also constructs multiple test datasets according to testing requirements, transforming uncontrollable and high-cost field physical testing into efficient and reproducible virtual testing based on real data in the laboratory, eliminating the need for field environment testing. This fundamentally solves the industry bottlenecks of high cost, long cycle and poor repeatability of traditional testing.
[0017] This invention integrates scenario construction, simulation deduction, interference application, and real-time evaluation. In simulated flight, based on the electromagnetic environment parameters of the virtual scenario, it can control physical interference devices in real time to apply precise interference to the real flight control system, and simultaneously collect flight control response and communication data to achieve accurate reproduction of faults and in-depth diagnosis of their root causes.
[0018] This invention configures virtual scenes using field measurement data, making the simulation environment infinitely close to the real environment, breaking down the barrier between virtual and real space. It can ensure the authenticity of test results while keeping testing costs low, and can highly reliably reflect the performance and safety of physical aircraft in real environments. Attached Figure Description
[0019] The specific embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.
[0020] Figure 1 An exemplary system architecture diagram is shown, in which one embodiment of this disclosure can be applied.
[0021] Figure 2 A schematic diagram of a virtual-real combined aircraft testing apparatus according to an embodiment of this disclosure is shown.
[0022] Figure 3 A schematic diagram of the structure of a computer system for implementing the apparatus provided in the embodiments of this disclosure is shown. Detailed Implementation
[0023] To more clearly illustrate this disclosure, the following description, in conjunction with embodiments and accompanying drawings, provides further insight. Similar components in the drawings are indicated by the same reference numerals. Those skilled in the art should understand that the specific description below is illustrative rather than restrictive and should not be construed as limiting the scope of protection of this disclosure.
[0024] Radio testing projects mainly include electromagnetic compatibility testing, radio communication testing, and complex electromagnetic environment construction. This invention mainly includes two functions: test dataset construction and aircraft hardware-in-the-loop simulation. The platform uses digital twins and hardware-in-the-loop simulation to scientifically and reasonably evaluate the electromagnetic compatibility, communication reliability, and environmental adaptability of aircraft under complex urban environmental conditions.
[0025] For actual testing projects, this invention will construct electromagnetic compatibility test datasets, wireless communication reliability test datasets, and complex electromagnetic environment test datasets.
[0026] like Figure 1 and Figure 2 As shown, the first embodiment of the present invention provides a virtual-real combined aircraft testing device 10, comprising: Test dataset construction module 11 and hardware-in-the-loop simulation module 12; The test dataset construction module 11 is used to construct and manage multiple test datasets, which include at least: The electromagnetic compatibility test dataset is used to store the electromagnetic interference parameters applied to the aircraft under test 20 during the electromagnetic compatibility test, as well as the response data and flight control system status of the aircraft under test 20 during the electromagnetic compatibility test; the electromagnetic interference parameters applied to the aircraft under test during the electromagnetic compatibility test are sample data obtained during the actual electromagnetic compatibility test. Wireless communication reliability test dataset, used to store communication performance indicators of the communication link of the aircraft under test 20; The electromagnetic environment test dataset includes sample data of external electromagnetic environment tests under multiple different environments, as well as response data and flight control system status of the aircraft under test 20 during electromagnetic environment tests; the external electromagnetic environment test sample data is sample data obtained by testing in actual external electromagnetic environments. The hardware-in-the-loop simulation module 12 includes: Evaluation scenario management unit 111 is used to store, define and manage evaluation metrics for multiple aircraft; The digital resource management unit 112 is used to integrate and manage three-dimensional environment models, aircraft dynamic parameters and sensor data to construct virtual test scenarios, and to configure the virtual test scenarios based on the electromagnetic interference parameters and / or electromagnetic environment test sample data to obtain the configured virtual scenarios. The simulation and deduction unit 113 is used to call the configured virtual scene, obtain the flight control system status of the aircraft under test 20 in real time to simulate the motion of the aircraft under test 20 in the virtual scene; based on the electromagnetic environment parameters of the simulated position of the aircraft under test 20 in the virtual scene, control the electromagnetic interference device to output electromagnetic interference signals to the aircraft under test 20; obtain the response data and communication performance indicators of the communication link of the aircraft under test 20 and perform real-time quantitative evaluation based on the evaluation indicators.
[0027] This invention uses a test device to perform a semi-physical simulation that combines virtual and real elements with the aircraft under test. Based on the actual testing process, this invention constructs multiple test datasets. Compared with traditional virtual simulation systems, the role of the test datasets is to correct the test results of the virtual simulation system, making the test results closer to the actual scenario.
[0028] This invention constructs multiple test datasets based on testing requirements, transforming uncontrollable and high-cost field physical testing into efficient and reproducible virtual testing based on real data in the laboratory, eliminating the need for field environment testing. This fundamentally solves the industry bottlenecks of high cost, long cycle, and poor repeatability of traditional testing.
[0029] This invention integrates scenario construction, simulation deduction, interference application, and real-time evaluation. In simulated flight, based on the electromagnetic environment parameters of the virtual scenario, it can control physical interference devices in real time to apply precise interference to the real flight control system, and simultaneously collect flight control response and communication data to achieve accurate reproduction of faults and in-depth diagnosis of their root causes.
[0030] This invention configures virtual scenes using field measurement data, making the simulation environment infinitely close to the real environment, breaking down the barrier between virtual and real space. It can ensure the authenticity of test results while keeping testing costs low, and can highly reliably reflect the performance and safety of physical aircraft in real environments.
[0031] In this invention, the response data and flight control system status of the aircraft under test (UUT20) during electromagnetic compatibility (EMC) testing are real-time measured data. By combining measured data with simulation models during EMC testing, the EMC test scenario can be accurately simulated, verifying the EMC performance of the aircraft and avoiding errors caused by model simplification in fully digital simulations. In this invention, the communication reliability verification process also supports semi-physical simulation of the aircraft's communication link, allowing real-time online testing of parameters such as communication rate and latency. Based on the test results, communication protocols and anti-interference algorithms are optimized to ensure the stability of aircraft communication. Furthermore, in complex environment adaptability testing, this invention can faithfully reproduce the system response under extreme electromagnetic conditions, improving the robustness of the aircraft in harsh environments.
[0032] This invention, based on actual testing and combined with multiple high-quality datasets, utilizes hardware-in-the-loop (HIL) simulation technology to conduct hybrid virtual-real testing, performing online simulation tests on UAV communication performance, electromagnetic compatibility, and other radio performance characteristics. The constructed datasets continuously improve the consistency between the virtual and real systems, reduce testing costs, shorten testing cycles, and establish a new testing model for UAVs.
[0033] In a specific example, the hardware-in-the-loop simulation module 12, based on hardware-in-the-loop simulation technology and digital twin technology, simulates complex urban scenarios to conduct online quantitative evaluations of the aircraft's electromagnetic compatibility, communication reliability, and adaptability to complex environments. It also provides a comprehensive assessment of the aircraft's radio safety performance, offering data support for aircraft access evaluation. Complex urban scenarios can include situations such as urban buildings or electromagnetic interference.
[0034] The hardware-in-the-loop simulation module 12 also includes a task management module, which supports the creation and management of evaluation tasks and completes the design of evaluation indicators in a graphical manner through various computational operators; it provides heterogeneous access adaptation tools, including communication protocol adaptation and interface data adaptation, to achieve real-time access to actual aircraft data; it provides a 3D real-time rendering interface according to actual application scenarios, displaying the aircraft's motion status, environmental perception data, and dynamic curves of evaluation indicators, and supports manual intervention and scene parameter adjustment. It has aircraft evaluation simulation and deduction functions, providing a review display of key events during the simulation and deduction process and the function of evaluating test results; it displays evaluation results in multiple forms and compares and displays the evaluation results of different schemes.
[0035] In one possible implementation, the electromagnetic interference parameters include electrostatic discharge immunity parameters, including discharge mode, discharge voltage level, number and frequency of discharges, and discharge point, and the response data includes communication link quality.
[0036] In one possible implementation, the flight control system states include attitude angles and angular velocities.
[0037] In a specific example, the electromagnetic compatibility (EMC) test dataset is used to systematically record, store, and manage the response data of unmanned aerial vehicles (UAVs) under basic electromagnetic interference (EMI) environments and the corresponding interference conditions. The dataset is organized by test item category, with each test item containing structured data. For example, electrostatic discharge (ESD) immunity parameters include discharge mode, discharge voltage level, number and frequency of discharges, and discharge location; UAV response data includes flight control system status and communication link quality. The EMC test subset contains test samples for both indoor and outdoor test items. The flight control system status includes attitude angles and angular velocities; the communication link quality includes packet loss rate and signal-to-noise ratio (SNR).
[0038] In one possible implementation, the communication performance metrics include a subset of basic communication performance tests, a subset of anti-interference capability tests, and environmental configuration information; The basic communication performance test subset includes communication rate, delivery rate, maximum communication distance, hopping rate, communication latency, and the set data for index calculation; The anti-interference capability test subset includes communication anti-interference capability test data and navigation anti-suppression or anti-deception capability test data. The environmental configuration information includes device information, environmental information, and data tags.
[0039] In a specific example, the wireless communication reliability test dataset comprehensively covers the key parameters and system responses of the communication link under normal operating and interference conditions, supporting testing needs from laboratory simulation to field verification. The dataset is divided into two core subsets according to the test objectives: a basic communication performance test subset and an anti-interference capability test subset, supplemented by environmental configuration information to ensure data integrity and comparability.
[0040] In a specific example, the set data for the indicator calculation could be the packet loss rate threshold at the maximum communication distance.
[0041] In one possible implementation, the communication anti-interference capability test data includes the communication signal, the interference signal, the interference frequency, and the throughput threshold. The navigation anti-suppression or anti-deception capability test data includes interference source channels, interference signals, number of interference sources, and interference-to-signal ratio.
[0042] In one possible implementation, the complex electromagnetic environment test dataset primarily consists of samples from field tests, including data on the spatial and equipment configuration of the complex electromagnetic environment, background noise parameters, interference signal parameters, and the responses of the corresponding main modules. The focus is primarily on the navigation module, communication module 30, and radar module of the aircraft under test (20). The complex electromagnetic environment test dataset exhibits multi-source heterogeneity, scenario reproducibility (i.e., the ability to repeatedly generate specific electromagnetic interference patterns), and strong correlation. Scene reproducibility refers to the ability to repeatedly generate a specific electromagnetic interference pattern based on the environment to be reproduced; Strong correlation refers to the precise alignment between electromagnetic environment parameters and aircraft response data. The simulation and deduction unit 113 can automatically match the corresponding electromagnetic environment parameters based on the second preset rule base according to the type of aircraft or the needs of the test project, so as to control the electromagnetic interference device to output the electromagnetic interference signal of the electromagnetic environment parameters to the aircraft under test 20, ensuring that the simulated environment can truly reflect the dynamic impact of complex electromagnetic fields on the low-altitude aircraft system.
[0043] In one possible implementation, the evaluation scenario management unit 111 is further configured to match corresponding evaluation indicators based on the type or model of the aircraft under test 20, according to the first preset rule base.
[0044] In a specific example, the evaluation scenario management system sorts out the evaluation indicators around the aircraft's electromagnetic compatibility, communication reliability, and adaptability to complex environments, and builds an evaluation indicator system covering all elements of aircraft radio safety testing, laying the foundation for accurately quantifying the radio safety performance of aircraft.
[0045] The evaluation scenario management unit 111 stores multiple evaluation indicators, including electromagnetic compatibility, communication reliability, and adaptability to complex environments, and supports customizable indicator weights and threshold settings. It also supports the autonomous selection of evaluation indicators based on the aircraft under test, enabling personalized testing for different aircraft models. Furthermore, the selected evaluation indicators can be stored in the first rule base as templates along with the model or type of the aircraft under test 20. When testing the same type or model of the same product in the future, the evaluation scenario management unit 111 can match the corresponding evaluation indicators based on the first preset rule base and the type or model of the aircraft under test 20.
[0046] In one possible implementation, the digital resource management unit 112 is configured to support the import and version control of multi-source heterogeneous data.
[0047] In a specific example, the digital resource management module integrates digital assets such as 3D environment models, aircraft dynamic parameters, and sensor data. It supports the import and version control of multi-source heterogeneous data, which can include data such as lidar point clouds and meteorological data. This provides a high-fidelity twin environment for model simulation analysis. The module constructs an aircraft evaluation model system for complex urban environments, establishes a unified modeling support environment, and develops requirements modeling tools, system modeling modules, physical modeling modules, model conversion modules, model parsers, and model generation tools. It also develops aircraft scene models and presents them through graphical modeling methods. The module supports the rapid assembly and parameter configuration of aircraft scene models on demand to form specific test scenarios. It has model management functions, supporting model loading, model testing, model publishing, and model retrieval.
[0048] In this embodiment, the multi-source heterogeneous data includes: LiDAR point clouds are hundreds of millions of three-dimensional spatial points obtained through laser scanning of a real urban environment, which accurately describe the geometry of surfaces such as buildings and trees.
[0049] Oblique photogrammetry model: a 3D model with realistic textures generated from aerial photographs.
[0050] Traditional 3D models have a more regular structure and are easier to process.
[0051] Environmental and physical data; Meteorological data: such as time series data of wind direction, wind speed, temperature, and air pressure.
[0052] Aircraft dynamic parameters: such as mass, moment of inertia, aerodynamic coefficient, etc.
[0053] Sensor parameters, such as the camera's intrinsic and extrinsic parameters, and the noise model of the inertial measurement unit.
[0054] In one possible implementation, the aircraft is selected from drones or aircraft.
[0055] In one possible implementation, the simulation unit 113 is used to control the electromagnetic interference device to output electromagnetic interference signals to the communication module 30 of the aircraft under test 20.
[0056] A second embodiment of the present invention provides a virtual-real combined aircraft testing system, comprising: Electromagnetic interference device, flight simulation turntable for simulating the flight control system state of the aircraft under test 20, and a virtual-real combined aircraft testing device 10 mounted on the flight simulation turntable as described in any one of the first embodiments.
[0057] In one specific embodiment, the aircraft under test 20 can be detachably mounted on the flight simulator's workstation.
[0058] In one specific embodiment, a flight simulation turntable is a high-precision servo device capable of accurately replicating the attitude angle motion of an aircraft in the air. It is used in a laboratory to provide a physically realistic motion environment for the navigation, guidance, and control system of an aircraft, thereby enabling the testing and verification of the performance of the navigation, guidance, and control system. In this embodiment, the flight control system state includes the flight simulation turntable being used only to simulate the attitude angles and angular velocities of the aircraft under test 20 and sending this as the flight control system state of the flight simulation turntable to the simulation deduction unit 113. Its flight speed is automatically simulated by the simulation deduction unit 113 in the virtual-real combined aircraft testing device 10 based on the user's control. In a specific example, the aircraft is a low-altitude aircraft. Specifically, the flight simulation turntable is only used to simulate attitude angles and angular velocities, and the flight control system state of the aircraft under test 20 is acquired by the inertial measurement unit of the aircraft under test.
[0059] like Figure 3 As shown, a computer system suitable for implementing the virtual-real combined aircraft testing apparatus 10 provided in the above embodiments includes a central processing module (CPU), which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) or a program loaded from a storage portion into a random access memory (RAM). The RAM also stores various programs and data required for the operation of the computer system. The CPU, ROM, and RAM are connected via a bus. An input / output (I / O) interface is also connected to the bus.
[0060] The following components are connected to the I / O interface: input sections including keyboards, mice, etc.; output sections including liquid crystal displays (LCDs) and speakers, etc.; storage sections including hard disks, etc.; and communication sections including network interface cards such as LAN cards and modems. The communication sections perform communication processing via networks such as the Internet. Drives are also connected to the I / O interface as needed. Removable media, such as disks, optical disks, magneto-optical disks, semiconductor memories, etc., are installed on the drive as needed so that computer programs read from them can be installed into the storage section as required.
[0061] Specifically, according to this embodiment, the process described in the flowchart above can be implemented as a computer software program. For example, this embodiment includes a computer program product comprising a computer program tangibly embodied on a computer-readable medium, the computer program containing program code for performing the methods shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from a network via a communication component, and / or installed from a removable medium.
[0062] The flowcharts and schematic diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of the system, method, and computer program product of this embodiment. In this regard, each block in the flowchart or schematic diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in a different order than those shown in the drawings. For example, two consecutively indicated blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the schematic diagram and / or flowchart, and combinations of blocks in the schematic diagram and / or flowchart, can be implemented using a dedicated hardware-based system that performs the specified function or operation, or using a combination of dedicated hardware and computer instructions.
[0063] In the description of this disclosure, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can be internal connections between two elements. For those skilled in the art, the specific meaning of the above terms in this disclosure can be understood according to the specific circumstances.
[0064] It should also be noted that, in the description of this disclosure, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0065] Obviously, the above embodiments of this disclosure are merely examples for clearly illustrating this disclosure, and are not intended to limit the implementation of this disclosure. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all implementation methods here. Any obvious variations or modifications derived from the technical solutions of this disclosure are still within the protection scope of this disclosure.
Claims
1. A virtual-real combined aircraft testing device, characterized in that, include: Test dataset construction module and hardware-in-the-loop simulation module; The test dataset construction module is used to build and manage multiple test datasets, which include at least: The electromagnetic compatibility test dataset is used to store the electromagnetic interference parameters applied to the aircraft under test during the electromagnetic compatibility test, as well as the response data and flight control system status of the aircraft under test during the electromagnetic compatibility test; the electromagnetic interference parameters applied to the aircraft under test during the electromagnetic compatibility test are sample data obtained during the actual electromagnetic compatibility test. Wireless communication reliability test dataset, used to store communication performance indicators of the communication link of the aircraft under test; The electromagnetic environment test dataset includes sample data of external electromagnetic environment tests under multiple different environments, as well as response data of the aircraft under test and the status of the flight control system during electromagnetic environment tests; the external electromagnetic environment test sample data is sample data obtained from tests in actual external electromagnetic environments. The hardware-in-the-loop simulation module includes: The evaluation scenario management unit is used to store, define, and manage evaluation metrics for multiple aircraft. The digital resource management unit is used to integrate and manage three-dimensional environment models, aircraft dynamic parameters, and sensor data to construct virtual test scenarios, and to configure the virtual test scenarios based on the electromagnetic interference parameters and / or electromagnetic environment test sample data to obtain the configured virtual scenarios. The simulation and deduction unit is used to call up the configured virtual scene, acquire the flight control system status of the aircraft under test in real time to simulate the movement of the aircraft under test in the virtual scene; based on the electromagnetic environment parameters of the simulated aircraft under test in the virtual scene, control the electromagnetic interference device to output electromagnetic interference signals to the aircraft under test; acquire the response data of the aircraft under test and the communication performance indicators of the communication link, and perform real-time quantitative evaluation based on the evaluation indicators.
2. The aircraft testing apparatus according to claim 1, characterized in that, The electromagnetic interference parameters include electrostatic discharge anti-interference parameters, including discharge mode, discharge voltage level, number of discharges and frequency, and discharge point.
3. The aircraft testing apparatus according to claim 1, characterized in that, The response data includes communication link quality.
4. The aircraft testing apparatus according to claim 1, characterized in that, The flight control system status includes attitude angle and angular velocity.
5. The aircraft testing apparatus according to claim 1, characterized in that, The communication performance indicators include a subset of basic communication performance tests, a subset of anti-interference capability tests, and environmental configuration information; The basic communication performance test subset includes communication rate, delivery rate, maximum communication distance, hopping rate, communication latency, and the set data for index calculation; The anti-interference capability test subset includes communication anti-interference capability test data and navigation anti-suppression or anti-deception capability test data. The environmental configuration information includes device information, environmental information, and data tags.
6. The aircraft testing apparatus according to claim 5, characterized in that, The communication anti-interference capability test data includes communication signals, interference signals, interference frequency points, and throughput thresholds; The navigation anti-suppression or anti-deception capability test data includes interference source channels, interference signals, number of interference sources, and interference-to-signal ratio.
7. The aircraft testing apparatus according to claim 1, characterized in that, The evaluation scenario management unit is also used to match corresponding evaluation indicators based on the type or model of the aircraft under test, according to the first preset rule base.
8. The aircraft testing apparatus according to claim 1, characterized in that, The digital resource management unit is configured to support the import and version control of multi-source heterogeneous data.
9. The aircraft testing apparatus according to claim 1, characterized in that, The simulation unit is used to control the electromagnetic interference device to output electromagnetic interference signals to the communication module of the aircraft under test.
10. A virtual-real combined aircraft testing system, characterized in that, include: Electromagnetic interference device, flight simulation turntable for simulating the flight control system status of the aircraft under test, and a virtual-real combined aircraft testing device as described in any one of claims 1-9 mounted on the flight simulation turntable.