Virtual test flight real-time simulation and management and control system oriented to complex scene

Abstract

The invention relates to the technical field of virtual test flight, in particular to a virtual test flight real-time simulation and management and control system for a complex scene. Comprising an environment construction module, a data acquisition module, a data transmission module, a data processing module, a data storage module, a data analysis module, a feedback module, a control module and a test flight management and control module, the data acquisition module is used for acquiring state information of an aircraft and data of a virtual test flight environment in real time, the data analysis module is used for deeply analyzing the data, and the control module is used for generating a control instruction according to information provided by the feedback module and adjusting and controlling the flight state of the aircraft in real time. The test flight management and control module is used for monitoring various parameters and states in the virtual test flight process in real time, through the mode, the simulation precision is improved, the real-time performance is enhanced, the management and control mechanism is improved, and the research and development requirements of aircrafts can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of virtual flight test, in particular to a virtual flight test real-time simulation and management and control system for complex scenarios. BACKGROUND

[0002] As a key link in the development process of aircraft, the importance of flight test is self-evident. Flight test is not only an important means to verify the overall performance of the aircraft, but also a necessary prerequisite to ensure the safe and reliable use of the aircraft. Traditionally, flight test of aircraft needs to be carried out in real environment, which not only consumes a lot of time and resources, but also has high safety risk, especially in complex scenarios such as extreme weather conditions, complex terrain or high dynamic flight environment, the cost and risk of real flight test are significantly increased.

[0003] Currently, in order to reduce the cost of flight test, improve the efficiency of flight test and ensure the safety of flight test, virtual flight test technology emerges as the times require. Virtual flight test can simulate the flight process of aircraft in various complex scenarios by building a highly realistic virtual flight test environment, so as to evaluate and optimize the performance, safety and reliability of aircraft without real flight test.

[0004] However, the existing virtual flight test system has problems of low simulation accuracy, poor real-time performance and insufficient management and control mechanism in complex scenarios, which is difficult to meet the development needs of aircraft. SUMMARY

[0005] The purpose of the present application is to provide a virtual flight test real-time simulation and management and control system for complex scenarios, which aims to solve the technical problems that the existing virtual flight test system has low simulation accuracy, poor real-time performance and insufficient management and control mechanism in complex scenarios, which is difficult to meet the development needs of aircraft.

[0006] To achieve the above purpose, a virtual flight test real-time simulation and management and control system for complex scenarios is adopted, which includes an environment construction module, a data acquisition module, a data transmission module, a data processing module, a data storage module, a data analysis module, a feedback module, a control module and a flight test management and control module, wherein:

[0007] The environment construction module is used to construct a virtual flight test environment to simulate various physical phenomena and aircraft dynamic characteristics in complex scenarios;

[0008] The data acquisition module is used to acquire the state information of the aircraft and the data of the virtual flight test environment in real time;

[0009] The data transmission module is used to transmit the collected data to the data processing module;

[0010] The data processing module is used for processing the real-time collected data;

[0011] The data storage module is used for persistently storing the processed data;

[0012] The data analysis module is used for in-depth analysis of the processed data and extraction of valuable information;

[0013] The feedback module is used for timely feedback of the analysis results to the operating personnel and related systems;

[0014] The control module is used for generating control instructions according to the information provided by the feedback module, and for real-time adjustment and control of the flight state of the aircraft;

[0015] The test flight management and control module is used for real-time monitoring of various parameters and states in the virtual test flight process.

[0016] The data collection module includes a state data collection unit and an environmental data collection unit, wherein:

[0017] The state data collection unit is used for real-time collection of state information of the aircraft;

[0018] The environmental data collection unit is used for real-time collection of meteorological data in the virtual test flight environment.

[0019] The data processing module includes a data filtering unit, a data correction unit and a data conversion unit, wherein:

[0020] The data filtering unit is used for removing noise and interference signals in the data;

[0021] The data correction unit is used for correcting the collected data to eliminate sensor errors and system deviations;

[0022] The data conversion unit is used for converting the data into a unified format and unit, meeting the requirements of subsequent storage and analysis.

[0023] The data analysis module includes a flight performance analysis unit, a fault diagnosis unit and a decision support unit, wherein:

[0024] The flight performance analysis unit is used for analyzing the flight performance indicators of the aircraft according to the state data and environmental data of the aircraft;

[0025] The fault diagnosis unit is used for monitoring changes in the state data of the aircraft and diagnosing whether the aircraft has faults;

[0026] The decision support unit is used for providing decision suggestions to the operating personnel according to the results of flight performance analysis and fault diagnosis.

[0027] The control module comprises a control instruction generation unit and a control instruction transmission unit, wherein:

[0028] The control instruction generation unit is configured to generate specific control instructions according to the current state, the target state and the decision suggestion of the aircraft.

[0029] The control instruction transmission unit is configured to transmit the control instructions to the aircraft model.

[0030] The virtual test flight real-time simulation and management system for complex scenarios further comprises an intelligent evaluation module, wherein:

[0031] The intelligent evaluation module is configured to construct an evaluation index system and objectively and accurately evaluate the test flight performance of the aircraft.

[0032] The virtual test flight real-time simulation and management system for complex scenarios further comprises a data backup module and a data maintenance module, wherein:

[0033] The data backup module is configured to regularly backup all data generated in the virtual test flight process.

[0034] The data maintenance module is configured to regularly maintain the data in the data storage module.

[0035] The application is a virtual flight real-time simulation and management and control system for complex scenarios, which uses the environment construction module to construct a virtual flight environment, simulates various physical phenomena and aircraft dynamic characteristics under complex scenarios, uses high-precision geographic information system (GIS) data and three-dimensional modeling technology to construct complex terrain and topography models, and collects real-time aircraft state information and virtual flight environment data through the data collection module, wherein various sensors are set in the virtual flight system to collect real-time aircraft attitude, speed and height state information, the data transmission module transmits the collected data to the data processing module, the data processing module processes the real-time collected data, the data storage module stores the processed data persistently to prevent data loss due to system failure, power failure and other unexpected situations, ensure data integrity and recoverability, the data analysis module deeply analyzes the processed data to extract valuable information, the feedback module feeds back the analysis results to the operator and related system in a timely manner, generates control instructions according to the information provided by the feedback module, and the control module adjusts and controls the flight state of the aircraft in real time, and the flight control module monitors various parameters and states in the virtual flight process in real time, such as the position, speed, attitude and system running state of the aircraft, and when abnormal conditions are detected, such as aircraft deviation from the predetermined trajectory, system failure, etc., an alarm is sent in a timely manner, and corresponding processing measures are taken, through the above-mentioned mode, the simulation accuracy is improved, the real-time performance is enhanced, and the management and control mechanism is improved, which can meet the research and development needs of the aircraft. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0037] Figure 1 It is a principle diagram of the virtual flight real-time simulation and management and control system for complex scenarios of the present application.

[0038] 101-environment construction module, 102-data acquisition module, 103-data transmission module, 104-data processing module, 105-data storage module, 106-data analysis module, 107-feedback module, 108-control module, 109-test flight management and control module, 110-intelligent evaluation module, 111-data backup module, 112-data maintenance module, 1021-state data acquisition unit, 1022-environment data acquisition unit, 1041-data filtering unit, 1042-data correction unit, 1043-data conversion unit, 1061-flight performance analysis unit, 1062-fault diagnosis unit, 1063-decision support unit, 1081-control instruction generation unit, 1082-control instruction transmission unit. DETAILED DESCRIPTION

[0039] Embodiments of the present application are described in detail below with reference to examples illustrated in the accompanying drawings, in which the same or similar components or components having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0040] Please refer to Figure 1 , Figure 1 is a schematic diagram of the virtual test flight real-time simulation and management and control system for complex scenarios of the present application;

[0041] The present application provides a virtual test flight real-time simulation and management and control system for complex scenarios, comprising an environment construction module 101, a data acquisition module 102, a data transmission module 103, a data processing module 104, a data storage module 105, a data analysis module 106, a feedback module 107, a control module 108 and a test flight management and control module 109, wherein:

[0042] The environment construction module 101 is used to construct a virtual test flight environment, simulating various physical phenomena and aircraft dynamic characteristics under complex scenarios;

[0043] The data acquisition module 102 is used to acquire real-time state information of the aircraft and data of the virtual test flight environment;

[0044] The data transmission module 103 is used to transmit the acquired data to the data processing module 104;

[0045] The data processing module 104 is used to process the real-time acquired data;

[0046] The data storage module 105 is used to persistently store the processed data;

[0047] The data analysis module 106 is used for in-depth analysis of the processed data to extract valuable information.

[0048] The feedback module 107 is used for timely feedback of the analysis results to the operating personnel and related systems.

[0049] The control module 108 is used for generating control instructions according to the information provided by the feedback module 107 to perform real-time adjustment and control on the flight state of the aircraft.

[0050] The test flight management and control module 109 is used for real-time monitoring of various parameters and states in the virtual test flight process.

[0051] In the embodiment, the virtual test flight environment is constructed by using the environment construction module 101 to simulate various physical phenomena and aircraft dynamic characteristics in complex scenarios, a complex terrain and topography model is constructed by using high-precision geographic information system (GIS) data and three-dimensional modeling technology, the state information of the aircraft and the data of the virtual test flight environment are collected in real time by the data collection module 102, various sensors are arranged in the virtual test flight system to collect the state information of the attitude, speed and height of the aircraft in real time, the collected data is transmitted to the data processing module 104 by the data transmission module 103, the data processing module 104 processes the data collected in real time, the data storage module 105 stores the processed data persistently to prevent data loss due to system failure, power failure and other unexpected situations, and to ensure the integrity and recoverability of the data, the data analysis module 106 performs in-depth analysis on the processed data to extract valuable information, the feedback module 107 timely feeds back the analysis results to the operating personnel and related systems, control instructions are generated according to the information provided by the feedback module 107, the control module 108 performs real-time adjustment and control on the flight state of the aircraft, and the test flight management and control module 109 is used for real-time monitoring of various parameters and states in the virtual test flight process, such as the position, speed, attitude and system running state of the aircraft, when an abnormal situation is detected, such as deviation of the aircraft from the predetermined trajectory, system failure, etc., an alarm is issued in time and corresponding processing measures are taken, in the above manner, the simulation accuracy is improved, the real-time performance is enhanced, and the management and control mechanism is perfected, which can meet the research and development needs of the aircraft.

[0052] Further, the data collection module 102 includes a state data collection unit 1021 and an environment data collection unit 1022.

[0053] The state data collection unit 1021 is used for real-time collection of the state information of the aircraft.

[0054] The environment data collection unit 1022 is used for real-time collection of meteorological data in the virtual test flight environment.

[0055] In the embodiment, the state data acquisition unit 1021 acquires the state information of the aircraft in real time, and the environment data acquisition unit 1022 acquires the meteorological data in the virtual flight environment in real time.

[0056] Further, the data processing module 104 includes a data filtering unit 1041, a data correction unit 1042, and a data conversion unit 1043, wherein:

[0057] The data filtering unit 1041 is configured to remove noise and interference signals in the data.

[0058] The data correction unit 1042 is configured to correct the collected data to eliminate sensor errors and system deviations.

[0059] The data conversion unit 1043 is configured to convert the data into a unified format and unit, meeting the requirements of subsequent storage and analysis.

[0060] In the embodiment, the data filtering unit 1041 is used to remove noise and interference signals in the data, the data correction unit 1042 is used to correct the collected data to eliminate sensor errors and system deviations, and the data conversion unit 1043 is used to convert the data into a unified format and unit, meeting the requirements of subsequent storage and analysis.

[0061] Further, the data analysis module 106 includes a flight performance analysis unit 1061, a fault diagnosis unit 1062, and a decision support unit 1063, wherein:

[0062] The flight performance analysis unit 1061 is configured to analyze the flight performance indicators of the aircraft according to the state data and the environment data of the aircraft.

[0063] The fault diagnosis unit 1062 is configured to monitor changes in the state data of the aircraft and diagnose whether the aircraft has a fault.

[0064] The decision support unit 1063 is configured to provide decision suggestions for the operator according to the results of flight performance analysis and fault diagnosis.

[0065] In the embodiment, the flight performance analysis unit 1061 analyzes the flight performance indicators of the aircraft according to the state data and the environment data of the aircraft, the fault diagnosis unit 1062 monitors changes in the state data of the aircraft and diagnoses whether the aircraft has a fault, and the decision support unit 1063 provides decision suggestions for the operator according to the results of flight performance analysis and fault diagnosis.

[0066] Further, the control module 108 includes a control instruction generation unit 1081 and a control instruction transmission unit 1082, wherein:

[0067] The control instruction generation unit 1081 is configured to generate specific control instructions according to the current state of the aircraft, the target state and the decision suggestion.

[0068] The control instruction transmission unit 1082 is configured to transmit the control instructions to the aircraft model.

[0069] In the embodiment, the control instruction generation unit 1081 generates specific control instructions according to the current state of the aircraft, the target state and the decision suggestion, and the control instructions are transmitted to the aircraft model by the control instruction transmission unit 1082.

[0070] Further, the virtual test flight real-time simulation and management system for complex scenarios further comprises an intelligent evaluation module 110, wherein:

[0071] The intelligent evaluation module 110 is configured to build a scoring index system and objectively and accurately evaluate the test flight performance of the aircraft.

[0072] In the embodiment, the scoring index system is built, and the intelligent evaluation module 110 is used to objectively and accurately evaluate the test flight performance of the aircraft.

[0073] Further, the virtual test flight real-time simulation and management system for complex scenarios further comprises a data backup module 111 and a data maintenance module 112, wherein:

[0074] The data backup module 111 is configured to regularly backup all data generated in the virtual test flight process.

[0075] The data maintenance module 112 is configured to regularly maintain the data in the data storage module 105.

[0076] In the embodiment, the data backup module 111 is used to regularly backup all data generated in the virtual test flight process, and the data maintenance module 112 is used to regularly maintain the data in the data storage module 105.

[0077] The above only discloses one preferred embodiment of the present application, and of course cannot limit the scope of the present application. Those skilled in the art can understand that the above-mentioned embodiment can be implemented in whole or in part, and equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

1. A virtual flight test real-time simulation and management system for complex scenarios, characterized in that it comprises an environment construction module, a data acquisition module, a data transmission module, a data processing module, a data storage module, a data analysis module, a feedback module, a control module, and a flight test management module, wherein: the environment construction module is used to construct a virtual flight test environment, simulating various physical phenomena and aircraft dynamic characteristics in complex scenarios; the data acquisition module is used to acquire real-time aircraft state information and virtual flight test environment data; the data transmission module is used to transmit the acquired data to the data processing module; the data processing module is used to process the real-time acquired data; the data storage module is used to persistently store the processed data; the data analysis module is used to deeply analyze the processed data and extract valuable information; the feedback module is used to timely feedback the analysis results to the operating personnel and related systems; the control module is used to generate control instructions based on the information provided by the feedback module, and to real-time adjust and control the flight state of the aircraft; and the flight test management module is used to real-time monitor various parameters and states in the virtual flight test process.

2. The virtual flight test real-time simulation and management system for complex scenarios according to claim 1, characterized in that the data acquisition module comprises a state data acquisition unit and an environment data acquisition unit, wherein: the state data acquisition unit is used to acquire real-time aircraft state information; and the environment data acquisition unit is used to acquire real-time meteorological data in the virtual flight test environment.

3. The virtual flight test real-time simulation and management system for complex scenarios according to claim 1, characterized in that the data processing module comprises a data filtering unit, a data correction unit, and a data conversion unit, wherein: the data filtering unit is used to remove noise and interference signals in the data; the data correction unit is used to correct the acquired data, eliminating sensor errors and system biases; and the data conversion unit is used to convert the data into a unified format and unit, meeting the requirements of subsequent storage and analysis.

4. The virtual flight test real-time simulation and management system for complex scenarios according to claim 1, characterized in that the data analysis module comprises a flight performance analysis unit, a fault diagnosis unit, and a decision support unit, wherein: the flight performance analysis unit is used to analyze the flight performance indicators of the aircraft based on the state data and environment data of the aircraft; the fault diagnosis unit is used to monitor the changes in the state data of the aircraft and diagnose whether the aircraft has faults; and the decision support unit is used to provide decision suggestions for the operating personnel based on the results of flight performance analysis and fault diagnosis.

5. The virtual flight test real-time simulation and management system for complex scenarios according to claim 1, characterized in that the control module comprises a control instruction generation unit and a control instruction transmission unit, wherein: the control instruction generation unit is used to generate specific control instructions based on the current state of the aircraft, the target state, and the decision suggestions; and the control instruction transmission unit is used to transmit the generated control instructions. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The control instruction transmission unit is configured to transmit the control instruction to the aircraft model. 6.The virtual test flight real-time simulation and management system for complex scenarios according to claim 1, wherein, The virtual test flight real-time simulation and management system for complex scenarios further comprises an intelligent evaluation module, wherein: The intelligent evaluation module is configured to build an evaluation index system to objectively and accurately evaluate the test flight performance of the aircraft. 7.The virtual test flight real-time simulation and management system for complex scenarios according to claim 1, wherein, The virtual test flight real-time simulation and management system for complex scenarios further comprises a data backup module and a data maintenance module, wherein: The data backup module is configured to periodically backup all data generated in the virtual test flight process; The data maintenance module is configured to periodically maintain the data in the data storage module.

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