CN115358045A - Airplane demand verification method and system based on operation scene - Google Patents
Airplane demand verification method and system based on operation scene Download PDFInfo
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Abstract
The invention relates to the general technical field of airplanes, and provides an airplane demand verification method and system based on an operation scene, wherein the method comprises the steps of S1, establishing an airplane operation scene database; s2, analyzing an operation scene, and establishing an airplane operation scene model library; s3, carrying out a simulation test on the operation scene model of the airplane to be tested, and detecting whether the actual response of the airplane under the specific operation scene model of the airplane to be tested meets a set standard or not; and S4, circularly verifying. The system comprises an aircraft operation scene generation subsystem, an aircraft operation scene modeling platform and an aircraft simulation test platform. The invention establishes a set of complete airplane operation scene capturing method and system, can semi-automatically generate an optimized operation scene library, improves the integrity, scientificity and efficiency of scene capturing, and facilitates the transmission of the operation scene to downstream major; a set of complete modeling to demand verification method is established, and meanwhile, a set of platforms are supported, so that the efficiency of a simulation test and the sufficiency of demand verification are greatly improved.
Description
Technical Field
The invention relates to the general technical field of airplanes, in particular to an airplane demand verification method and system based on an operation scene.
Background
The operation scene defines various operation scenes generated by the operation stage, the operation environment and the state of the airplane, is input of function definition, requirement analysis and key index balance and is key input in airplane development. Conventional demand capture methods identify the needs of stakeholders primarily by communicating with customers or using questionnaires, but these methods lack the systematic nature and difficulty in ensuring the integrity of the captured aircraft demand and the correctness of the demand itself. With the gradual application and popularization of a model-based system engineering method in civil aircraft development, the method for capturing the demand by constructing an operation scene model of the aircraft becomes an acceptable method for the airworthiness part. The completeness of the operation scene is important for the completeness of the aircraft requirement capture, and the reasonability and the scientificity of a typical operation scene are also important for requirement verification based on the operation scene, so how to define and capture an operation scene list of the aircraft is the first and key ring in the requirement verification based on the scene.
According to the civil aircraft development process specified by SAE ARP 4754A, the civil aircraft should perform the confirmation and verification work of the aircraft-level requirements in the early design stage. In conventional work, this process is done primarily based on the requirements document. In recent years, a scene is taken as a tool, an operation scene model is constructed through SysML language, the scene model is used for driving a simulation model to complete the automatic test of MIL/SIL/HIL, and a method for completing the confirmation and verification of the requirement is gradually concerned in the industry.
The prior art has the following defects:
in the field of civil aircrafts, the requirement is mainly captured by analyzing an operation scene at present, but the civil aircrafts are used as a complex product, and the environment where the civil aircrafts are located has multiple influence factors, the integrity of the capture of the operation scene does not form a set of scientific and efficient method, technicians are required to complete artificial iteration, the workload is high, the occurrence of human errors cannot be guaranteed, meanwhile, the rationality of the operation scene still needs to be further improved, a set of standard and perfect principles or algorithms are not used for removing invalid scenes for support, the operation scene does not realize the centralized assignment of the operation environment, and downstream professionals cannot realize the application of the operation scene. Secondly, the research on the operation scene modeling and the demand verification method based on the scene model is still in a preliminary stage, and a set of solidified and mature scene modeling and verification method or platform which can be used for civil aircraft development is not formed, so that the scene verification is insufficient, and the efficiency of the simulation test is low.
Disclosure of Invention
The invention aims to overcome at least one of the defects of the prior art, provides an aircraft demand verification method and system based on an operation scene, solves the problems of incomplete aircraft demand capture, insufficient demand verification based on the scene and the like in the current civil aircraft development process, and realizes the verification of the aircraft demand in the early design stage.
The invention adopts the following technical scheme:
in one aspect, the invention provides an aircraft demand verification method based on an operation scene, which comprises the following steps:
s1, establishing an airplane operation scene database: extracting multi-dimensional scene elements, and superposing the multi-dimensional scene elements to obtain a complete airplane operation scene database;
s2, selecting an airplane operation scene to be tested from the airplane operation scene database, and performing airplane operation scene modeling based on first airplane requirements to obtain an airplane operation scene model; the plurality of airplane operation scene models form an airplane operation scene model library; the first aircraft demand is a captured aircraft demand;
s3, selecting an airplane operation scene model to be tested from the airplane operation scene model library in the step S2, carrying out a simulation test on the airplane operation scene model to be tested, and verifying whether the actual response of the airplane under the specific airplane operation scene model to be tested meets a set standard or not; when the set standard is not met, the requirements of the second airplane are captured, and the step S4 is carried out; the second aircraft demand is a potential aircraft demand; when the flight actual responses of all the to-be-tested airplane operation scene models meet set standards, airplane requirement verification based on operation scenes is completed;
and S4, returning to the step S2, simultaneously modeling the aircraft operation scene again on the basis of the first aircraft requirement and the second aircraft requirement, and performing flight simulation and operation environment simulation on the aircraft operation scene model obtained by re-modeling until the actual response of the aircraft meets the set standard.
In step S1, the multidimensional scene element includes a basic dimension element, an airworthiness element, and an operation problem element; the base dimensional elements include aircraft parameters, meteorological data, geographic terrain data, and aircraft failure data.
In step S1, the multidimensional scene elements are superimposed to obtain a complete airplane operation scene database, and the specific method includes:
s1.1, matching scene elements and a value range thereof according to a flight phase, and generating a preliminary operation scene list according to the value of the scene elements and the behavior logic among the scene elements in a permutation and combination mode;
s1.2, setting a constraint rule and a rejection rule, rejecting invalid operation scenes from the primary operation scene list, and screening out operation scenes meeting the constraint rule;
s1.3, storing the screened operation scenes meeting the constraint rules into an airplane operation scene database.
As any of the above possible implementation manners, an implementation manner is further provided, and in step S1.1, the permutation and combination adopts a full permutation manner, so that all possible permutation and combination manners under the multidimensional scene element are obtained, and all possible actual scenes are covered.
In step S2, the aircraft operation scene modeling adopts SysML modeling software, and based on the aircraft requirements, the module definition diagram, the use case diagram, the activity diagram, the state machine diagram and the requirement diagram are utilized to model and express the structure of the aircraft operation scene, the role of the stakeholder in the aircraft operation scene and the scene activity time sequence, and the built aircraft operation scene model is stored in the aircraft operation scene model library.
In step S3, the simulation test includes flight simulation and operating environment simulation, the flight simulation uses a flight simulation model, and the flight simulation model is an airplane six-degree-of-freedom, pneumatic, and system model; the operation environment simulation uses an operation environment simulation model, and the operation environment simulation model is an airplane operation environment/airport/control model; the simulation test is carried out by means of an airplane simulation test platform.
The aircraft simulation test platform is used for testing integration and testing, fault detection and fault injection of the aircraft, and comprises a human-computer interaction system, a real-time simulation test network, an integrated simulation environment, a real-time input and output interface system, a signal cross-linking system, a data acquisition, recording and analysis system, a fault injection system, an external simulation test system cross-linking interface, and an interface forwarding plug-in for driving a simulation model by a scene model.
In another aspect, the present invention further provides an aircraft demand verification system based on an operation scenario, including:
the system comprises an aircraft operation scene generation subsystem, a multi-dimensional scene element extraction subsystem, an aircraft operation scene database and a multi-dimensional scene element superposition subsystem, wherein the aircraft operation scene generation subsystem is used for extracting the multi-dimensional scene elements and superposing the multi-dimensional scene elements to obtain a complete aircraft operation scene database;
the airplane operation scene modeling platform is used for selecting an airplane operation scene to be tested from the airplane operation scene database, and carrying out airplane operation scene modeling based on airplane requirements to obtain an airplane operation scene model; the plurality of airplane operation scene models form an airplane operation scene model library;
and the airplane simulation test platform is used for carrying out simulation test on the airplane operation scene model to be tested and verifying whether the actual response of the airplane under the specific airplane operation scene model to be tested meets the set standard or not.
In any of the above possible implementation manners, there is further provided an implementation manner, where the aircraft operation scene generation subsystem includes a multidimensional scene element extraction module, a scene superposition module, a scene management module, and a scene verification module;
the multi-dimensional scene element module is used for extracting multi-dimensional scene elements, and the multi-dimensional scene elements comprise basic dimension elements, airworthiness elements and operation problem elements; the basic dimension elements comprise airplane parameters, meteorological data, geographic terrain data and airplane failure data;
the scene superposition module is used for matching scene elements, the value range of the scene elements and behavior logics among the scene elements according to the flight phase and generating a preliminary operation scene list for the scene elements in a permutation and combination mode;
the scene checking module is internally provided with a constraint rule and a rejection rule, and is used for rejecting invalid operation scenes from the primary operation scene list, screening out operation scenes meeting the constraint rule and storing the operation scenes into an airplane operation scene database;
the scene management module is used for adding or deleting the operation scene items needing to be modified and quickly searching the specific operation scene.
According to any one of the above possible implementation manners, an implementation manner is further provided, in which the aircraft operation scene modeling platform adopts SysML modeling software, and based on aircraft requirements, uses a module definition diagram, an use case diagram, an activity diagram, a state machine diagram and a requirement diagram to model and express the structure of an aircraft operation scene, the role of a benefit stakeholder in the aircraft operation scene and a scene activity time sequence, and the built aircraft operation scene model is stored in an aircraft operation scene model library.
The beneficial effects of the invention are as follows:
at present, the integrity of the aircraft operation scene capturing does not form a set of scientific and efficient method, technicians are required to complete manual iteration, the workload is large, human errors are easy to occur, meanwhile, the rationality of the operation scene still needs to be further improved, a set of standard and perfect principles or algorithms are not used for removing invalid scenes for support, the operation scene does not realize the centralized assignment of the operation environment, and downstream professionals cannot realize the application of the operation scene. Secondly, the research on the operation scene modeling and the requirement verification method based on the scene model is still in a preliminary stage, and a set of solidified and mature scene modeling and verification method or platform which can be used for developing civil aircrafts is not formed, but the invention has the advantages that: (1) A set of complete airplane operation scene capturing method and system is established, an optimized operation scene library can be generated in a semi-automatic mode, the integrity, the scientificity and the efficiency of operation scene capturing are improved, and the operation scene is convenient to transfer to downstream major; (2) A set of complete operation scene modeling and requirement verification method is established, and meanwhile, a set of platform is established for supporting, so that the efficiency of the simulation test and the sufficiency of the requirement verification are greatly improved.
Drawings
Fig. 1 is a schematic flow chart of an aircraft demand verification method based on an operation scenario according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a framework of an aircraft demand verification system based on an operation scenario according to an embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the specific drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered in isolation, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments.
As shown in fig. 1, an aircraft demand verification method based on an operation scenario in an embodiment of the present invention includes:
s1, establishing an airplane operation scene database: extracting multi-dimensional scene elements, and superposing the multi-dimensional scene elements to obtain a complete airplane operation scene database; the multi-dimensional scene elements comprise basic dimension elements, airworthiness elements and operation problem elements; the basic dimension elements comprise airplane parameters, meteorological data, geographic terrain data and airplane failure data;
s2, selecting an airplane running scene to be tested from the airplane running scene database, and modeling the airplane running scene based on first airplane requirements to obtain an airplane running scene model; the plurality of airplane operation scene models form an airplane operation scene model library; the first aircraft demand is a captured aircraft demand;
s3, selecting an airplane operation scene model to be tested from the airplane operation scene model library in the step S2, performing flight simulation and operation environment simulation on the airplane operation scene model to be tested, and detecting whether the actual response of the airplane under the specific airplane operation scene model to be tested meets a set standard or not; when the set standard is not met, the requirements of the second airplane are captured, and the step S4 is carried out; the second aircraft demand is a potential aircraft demand; when the flight actual responses of all the to-be-tested airplane operation scene models meet set standards, airplane requirement verification based on operation scenes is completed;
and S4, returning to the step S2, and simultaneously modeling the aircraft operation scene again on the basis of the first aircraft requirement and the second aircraft requirement, and performing flight simulation and operation environment simulation on the aircraft operation scene model obtained by re-modeling until the actual response of the aircraft meets the set standard.
In a specific embodiment, in step S1, the multidimensional scene elements are superimposed to obtain a complete airplane operation scene database, and the specific method includes:
s1.1, matching scene elements and a value range thereof according to a flight phase, and generating a preliminary operation scene list according to the values of the scene elements and behavior logics among the scene elements in a permutation and combination mode;
s1.2, setting a constraint rule and a rejection rule, rejecting invalid operation scenes from the primary operation scene list, and screening out operation scenes meeting the constraint rule;
s1.3, storing the screened operation scenes meeting the constraint rules into an airplane operation scene database.
In a specific embodiment, in order to ensure that various operation scenes are reserved to the maximum extent and further to perform deep and comprehensive mining extraction on airplane requirements in scene analysis, the permutation and combination adopts a full permutation mode to obtain all possible permutation and combination modes under multi-dimensional scene elements, and all possible actual scenes are covered.
In one embodiment, in step S2, the aircraft operation scene modeling adopts SysML modeling software, and based on the aircraft demand, the module definition map, the use case map, the activity map, the state machine map and the demand map are used to model and express the structure of the aircraft operation scene, the role of the stakeholder in the scene, and the scene activity time sequence, and the established aircraft operation scene model is stored in the aircraft operation scene model library.
In a specific embodiment, in step S3, the flight simulation uses a flight simulation model, and the flight simulation model is a six-degree-of-freedom, pneumatic, system model of the aircraft; the operation environment simulation uses an operation environment simulation model, and the operation environment simulation model is an airplane operation environment/airport/control model; the simulation test is carried out by means of an airplane simulation test platform.
In a specific embodiment, the aircraft simulation test platform is used for testing integration and testing, fault detection and fault injection of an aircraft, and comprises a human-computer interaction system, a real-time simulation test network, an integrated simulation environment, a real-time input and output interface system, a signal cross-linking system, a data acquisition, recording and analysis system, a fault injection system, an external simulation test system cross-linking interface and an interface forwarding plug-in for a scene model driving simulation model.
In a specific embodiment, as shown in fig. 1, an operation scene to be tested is selected from an aircraft operation scene library for scene analysis, a mapping relationship between requirements and the operation scene is established in a matrix form, different internal systems in the scene to be tested, such as a pilot, a controller, an operation environment, an ATA system and the like, internal logics of each component are defined, an operation scene activity diagram and a state machine diagram of each operation stage are further established, then pilot and control instructions, flight states, fault injection parameters and the like are defined, and the established SysML scene model can be stored in a scene model database. And next, converting the SysML scene model into a flight simulation model and an operation simulation model which can be crosslinked with a scene simulation verification platform by using the developed interface forwarding plug-in, performing automatic test through a signal interaction system and a real-time I/O interface system, accessing a real LRU (least recently used) to perform joint simulation test, and performing data acquisition, recording and analysis through a data acquisition, recording and analysis system, thereby verifying whether the airplane requirement linked with the scene is met, and completing airplane requirement verification based on the operation scene.
As shown in fig. 2, an aircraft demand verification system based on an operation scenario in an embodiment of the present invention includes:
the system comprises an aircraft operation scene generation subsystem, a multi-dimensional scene element extraction subsystem, an aircraft operation scene database and a multi-dimensional scene element superposition subsystem, wherein the aircraft operation scene generation subsystem is used for extracting the multi-dimensional scene elements and superposing the multi-dimensional scene elements to obtain a complete aircraft operation scene database;
the airplane operation scene modeling platform is used for selecting an airplane operation scene to be tested from the airplane operation scene database, and carrying out airplane operation scene modeling based on airplane requirements to obtain an airplane operation scene model; the plurality of airplane operation scene models form an airplane operation scene model library;
and the airplane simulation test platform is used for carrying out simulation test on the airplane operation scene model to be tested and verifying whether the actual response of the airplane under the specific airplane operation scene model to be tested meets the set standard.
In a specific embodiment, the aircraft operation scene generation subsystem comprises a multi-dimensional scene element extraction module, a scene superposition module, a scene management module and a scene verification module;
the multi-dimensional scene element module is used for extracting multi-dimensional scene elements, and the multi-dimensional scene elements comprise basic dimension elements, airworthiness elements and operation problem elements; the basic dimension elements comprise airplane parameters, meteorological data, geographic terrain data and airplane failure data;
the scene superposition module is used for matching scene elements and the value range thereof according to the flight phase, and generating a preliminary operation scene list according to the value of the scene elements and the behavior logic among the scene elements in a permutation and combination mode;
the scene checking module is internally provided with a constraint rule and a rejection rule, and is used for rejecting invalid operation scenes from the primary operation scene list, screening out operation scenes meeting the constraint rule and storing the operation scenes into an airplane operation scene database;
the scene management module is used for adding or deleting the operation scene items needing to be modified and quickly searching the specific operation scene.
In one embodiment, the aircraft simulation test platform is a comprehensive test bench for performing aircraft system integration and testing, fault detection, and fault injection.
a) An integrated simulation environment: two modes are supported, using either the real LRU or a simulation model of the LRU system. The integrated simulation environment adopts interface simulation based on ICD, and can use simulation model drive in background.
b) A human-computer interaction system: the man-machine interaction system is used for providing a centralized graphical operation interface and controlling the operation control and maintenance of the whole platform. The configuration management of the tested system, the configuration of the testing experiment certificate of the platform, the development, management and verification of the experiment process, the control of the testing process, the on-line monitoring and analysis of the data, the analysis of the off-line data and other functions are provided.
c) Real-time simulation test network: data interconnection and clock synchronization of all equipment are provided, and real-time systems such as a simulator, an exciter, a flight simulation system, a wiring system, an acquisition system, a fault injection system and an automatic power distribution system are ensured to operate on a unified clock reference. The real-time simulation test network is a data exchange backbone network of the platform and provides interaction of simulation data, test data and management control information.
d) Real-time input output interface system: the system provides interface types of different aircraft systems, has signal type expansion capability, runs on a real-time operating system, ensures real-time performance of signal acquisition/generation of a platform, propagates events and distributes processor time in a deterministic manner (task priority and low delay), and simultaneously provides a powerful self-monitoring function and prompts a user when abnormity occurs in operation (such as determinacy breaking).
e) Signal crosslinking system: the signal cross-linking system provides the signal cross-linking capability and the dynamic configuration capability of the platform, and comprises functions of power distribution of the tested sample, signal terminal board, true piece/simulation piece switching and the like.
f) Data acquisition recording and analysis system: and the data acquisition, recording and analysis capabilities are provided, and the recorded parameters comprise the internal parameters of the platform and all the interested parameters of the tested system, such as platform operation parameters, communication parameters among the tested systems, test process parameters and the like. The analysis capability provides offline analysis functions such as data reproduction, query, filtering, evaluation, analysis and the like for all data of any resource in a verification analysis or comprehensive analysis stage, and the functions comprise: data replication tools, data query and filtering tools, data graphical tools, data evaluation and analysis.
g) A fault injection system: the fault injection capability is provided, known fault data is injected into a tested piece or a tested bus, the fault injection capability is used for testing and verifying the fault tolerance and reliability stability performance of a tested system, and the fault injection capability can also be used for recovering fault states or fault recurrence.
h) External simulation test system cross-linking interface: the method provides the interconnection and intercommunication interoperation with the existing simulation resources and test resources of other systems, provides an open interconnection interface, supports the external resources to access platform resources, and also supports the platform resources to control the external simulation and test resources.
Interface forwarding plug-in for a scene model driven simulation model: and finishing conversion from UDP (user Datagram protocol) to DDS (direct digital Synthesis) communication protocol, and realizing conversion from the SysML scene model to a flight simulation model and an operation simulation model which can be in cross-linking with the scene simulation verification platform.
The invention can realize that:
1. the automatic aircraft operation scene capturing method and system comprise a key element recombination library of human, machine and ring dimensions in an operation scene, realize centralized assignment of scene elements, automatically generate a primary operation scene list, complete optimization screening of the operation scene through a built-in scene removing rule and a constraint rule, improve the efficiency and accuracy of aircraft operation scene generation, and can effectively transmit the operation scene to downstream major.
2. A hierarchical automatic simulation test method and a hierarchical automatic simulation test system realize the automatic test and verification of a full life cycle model in a ring/software in a ring/hardware in a ring by developing an interface forwarding middleware and an airplane simulation test platform for realizing the driving of a scene model to a simulation model.
While several embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes may be made to the embodiments herein without departing from the spirit of the invention. The above examples are merely illustrative and should not be taken as limiting the scope of the invention.
Claims (10)
1. An aircraft demand verification method based on an operation scene is characterized by comprising the following steps:
s1, establishing an airplane operation scene database: extracting multi-dimensional scene elements, and superposing the multi-dimensional scene elements to obtain a complete airplane operation scene database;
s2, selecting an airplane operation scene to be tested from the airplane operation scene database, and performing airplane operation scene modeling based on first airplane requirements to obtain an airplane operation scene model; the plurality of airplane operation scene models form an airplane operation scene model library; the first aircraft demand is a captured aircraft demand;
s3, selecting an airplane operation scene model to be tested from the airplane operation scene model library in the step S2, carrying out a simulation test on the airplane operation scene model to be tested, and verifying whether the actual response of the airplane under the specific airplane operation scene model to be tested meets a set standard or not; when the set standard is not met, the requirement of the second airplane is captured, and the step S4 is carried out; the second aircraft demand is a potential aircraft demand; when the flight actual responses of all the to-be-tested airplane operation scene models meet set standards, airplane requirement verification based on operation scenes is completed;
and S4, returning to the step S2, simultaneously modeling the aircraft operation scene again on the basis of the first aircraft requirement and the second aircraft requirement, and performing a simulation test on the aircraft operation scene model obtained by re-modeling until the actual response of the aircraft meets the set standard.
2. The aircraft demand verification method based on the operation scenario as claimed in claim 1, wherein in step S1, the multidimensional scenario elements include a basic dimension element, an airworthiness element and an operation problem element; the base dimensional elements include aircraft parameters, meteorological data, geographic terrain data, and aircraft failure data.
3. The aircraft demand verification method based on the operation scene as claimed in claim 1, wherein in step S1, the multidimensional scene elements are superimposed to obtain a complete aircraft operation scene database, and the specific method is as follows:
s1.1, according to a flight phase, matching scene elements, a value range of the scene elements and behavior logics among the scene elements, and generating a primary operation scene list of the scene elements according to a permutation and combination mode;
s1.2, setting a constraint rule and a rejection rule, rejecting invalid operation scenes from the primary operation scene list, and screening out operation scenes meeting the constraint rule;
s1.3, storing the screened operation scenes meeting the constraint rule into an airplane operation scene database.
4. The operational scenario-based aircraft demand verification method according to claim 3, wherein in step S1.1, the permutation and combination adopts a full permutation mode, so as to obtain all possible permutation and combination modes under the multidimensional scene element, and cover all possible actual scenes.
5. The method for verifying aircraft demand based on operating scenarios as claimed in claim 1, wherein in step S2, the aircraft operating scenario modeling adopts SysML modeling software, and based on the aircraft demand, the structure of the aircraft operating scenario, the role of the stakeholder in the aircraft operating scenario, and the scene activity timing are modeled and expressed by using a module definition diagram, an instruction diagram, an activity diagram, a state machine diagram, and a demand diagram, and the built aircraft operating scenario model is stored in an aircraft operating scenario model library.
6. The aircraft demand verification method based on the operation scene as claimed in claim 1, wherein in step S3, the simulation test includes flight simulation and operation environment simulation, the flight simulation uses a flight simulation model, and the flight simulation model is an aircraft six-degree-of-freedom, pneumatic and system model; the operation environment simulation uses an operation environment simulation model, and the operation environment simulation model is an airplane operation environment/airport/control model; the simulation test is carried out by means of an airplane simulation test platform.
7. The operational scenario-based aircraft demand verification method according to claim 6, wherein the aircraft simulation test platform is used for testing of aircraft integration and testing, fault detection and fault injection, and the aircraft simulation test platform includes a human-computer interaction system, a real-time simulation testing network, an integrated simulation environment, a real-time input/output interface system, a signal cross-linking system, a data acquisition, recording and analysis system, a fault injection system, an external simulation testing system cross-linking interface, and an interface forwarding plug-in for driving a simulation model by a scenario model.
8. An aircraft demand verification system based on operational scenarios, the system comprising:
the system comprises an aircraft operation scene generation subsystem, a multi-dimensional scene element extraction subsystem, an aircraft operation scene database and a multi-dimensional scene element superposition subsystem, wherein the aircraft operation scene generation subsystem is used for extracting the multi-dimensional scene elements and superposing the multi-dimensional scene elements to obtain a complete aircraft operation scene database;
the airplane operation scene modeling platform is used for selecting an airplane operation scene to be tested from the airplane operation scene database, and carrying out airplane operation scene modeling based on airplane requirements to obtain an airplane operation scene model; the plurality of airplane operation scene models form an airplane operation scene model library;
and the airplane simulation test platform is used for carrying out simulation test on the driving simulation model of the airplane operation scene model to be tested and verifying whether the actual response of the airplane under the specific airplane operation scene model to be tested meets the set standard.
9. The operational scenario-based aircraft demand verification system of claim 8, wherein the aircraft operational scenario generation subsystem comprises a multidimensional scenario element extraction module, a scenario superposition module, a scenario management module, and a scenario verification module;
the multi-dimensional scene element module is used for extracting multi-dimensional scene elements, and the multi-dimensional scene elements comprise basic dimension elements, airworthiness elements and operation problem elements; the basic dimension elements comprise airplane parameters, meteorological data, geographic terrain data and airplane failure data;
the scene superposition module is used for matching scene elements, the value ranges of the scene elements and behavior logics among the scene elements according to the flight phase and generating a preliminary operation scene list of the scene elements in a permutation and combination mode;
the scene checking module is internally provided with a constraint rule and a rejection rule, and is used for rejecting invalid operation scenes from the primary operation scene list, screening out operation scenes meeting the constraint rule and storing the operation scenes into an airplane operation scene database;
the scene management module is used for adding or deleting the operation scene items needing to be modified and quickly searching the specific operation scene items.
10. The aircraft demand verification system based on the operating scenario as claimed in claim 8, wherein the aircraft operating scenario modeling platform adopts SysML modeling software, and uses a module definition map, an application map, an activity map, a state machine map and a demand map to model and express the structure of the aircraft operating scenario, the role of a stakeholder in the aircraft operating scenario and the scenario activity timing sequence based on the aircraft demand, and the built aircraft operating scenario model is stored in an aircraft operating scenario model library.
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