Aircraft information flow analysis rechecking and recomputing system

The aircraft information flow analysis, verification, and recalculation system employs digital and modular design to automatically generate information flow diagrams, solving the problems of high complexity and large errors in traditional drawing methods, and achieving efficient and accurate information system design optimization.

CN121189005APending Publication Date: 2025-12-23SHANGHAI AEROSPACE SYST ENG INST
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Patent Information

Application Number
CN202511343528.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2025-12-23

AI Technical Summary

Technical Problem

Traditional aircraft information flow diagram drawing is highly complex, has large calculation errors, lacks digital tool support, cannot accurately reflect information flow changes, and cannot timely identify information system design bottlenecks.

Method used

A system for analyzing, verifying, and recalculating aircraft information flow is provided, including an information graph design module, a model library construction module, and an information flow simulation verification and analysis module. It adopts a digital, modular, and hierarchical design, automatically generates and visualizes information flow graphs, and supports simulation verification.

Benefits of technology

Simplify the drawing of large information flow diagrams, reduce human error, improve the efficiency and accuracy of simulation verification, and enhance the design and optimization capabilities of information systems.

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Abstract

The invention relates to the technical field of spacecraft design, in particular to an aircraft information flow analysis, recheck and recalculation system, which comprises an information large graph design module used for automatically extracting design data such as an interface data list and a cable network contact table, generating a static information large graph through data check and analysis, and supporting signal management, layered display and export; the model library construction module is used for constructing a hierarchical information professional model library based on a Modelica language and covering multi-level models from a basic library, a universal library to a model customization library; and the information flow simulation verification analysis module is used for mapping the static information large graph into a simulation model, carrying out dynamic simulation verification on a system network, a communication network and a load network, and realizing multi-dimensional visual display of a result. According to the method, the information system design is rechecked and recalculated from static state to dynamic state and from manual operation to automatic operation, and the design efficiency, accuracy and verification sufficiency are effectively improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spacecraft design, and particularly relates to a spacecraft information flow analysis review and calculation system and a storage medium. BACKGROUND

[0002] An information system is an important carrier of main information generation, processing and transmission of a spacecraft, and is an important content of information overall design. In different flight stages, the information system has the characteristics of close coupling of single machines, complex information interface interaction, and inconsistent information flow direction. Information flow is one of dynamic representations of the information system of the spacecraft. In order to better understand and master the information flow changes of the entire spacecraft electronic single machine, the designer of the information overall of the spacecraft needs to carry out design and simulation analysis of the information flow of the spacecraft in the design stage, the comprehensive test stage and the on-orbit support stage.

[0003] A traditional large information flow diagram of the spacecraft is manually drawn by a designer according to device junctions, information interfaces and other information. With more and more types of information of the spacecraft and larger and larger data, the complexity of manual drawing increases, and the calculation error also increases. In the design and comprehensive test stages, there is a lack of effective digital tools to support, so that the changes of the information flow and the data flow of the spacecraft in the flight process cannot be accurately reflected, the information interface design cannot be analyzed and verified, and the bottlenecks in the information system design cannot be found in time.

[0004] By using digital technology to realize the automation, standardization and modeling of the large information flow diagram of the spacecraft, through research on an information flow analysis review and calculation system, the working conditions, mutual influence and mutual dependence of each functional unit of the system level can be comprehensively reflected, the process of information generation, processing and transmission can be visually displayed, the information data volume, data flow, bus occupation time and bus load rate in the task period can be dynamically reflected, the information system design is assisted, and the rapid simulation verification of the design result is supported, so as to achieve the purposes of verifying and optimizing the information system design scheme and improving the performance of the information system, and it has important significance for improving the digital design and analysis ability of the information link. SUMMARY

[0005] The present application aims at solving the problems in the prior art, and provides a spacecraft information flow analysis review and calculation system, which comprises: The information macrograph design module is used for designing, generating and displaying a static information macrograph, and comprises a checking unit, a layout management unit, a processing unit, a macrograph hierarchical design and management unit, a search positioning and multi-layer stepless zooming unit and a hierarchical or partial export designated format file unit. The checking unit comprises matching checking, single-point multi-line checking, information link tracking and paired electrical connector checking. The layout management unit comprises device layout and management, cable wiring and management, wire layout and management and electrical connector layout and management. The processing unit comprises signal classification, signal filtering and signal management. The model library construction module is used for establishing a structured and hierarchical information professional model library, which is built by a plurality of device single machine models. The model library is divided into a plurality of sub-model libraries, and the sub-model libraries contain corresponding types of device single machine models. The device single machine model is the smallest granularity. The information flow simulation verification and analysis module is used for dynamic simulation and result visualization based on the static information macrograph, and comprises an information system simulation model generated according to the information professional model library, macrograph simulation management, model debugging and parameter setting and simulation result visualization display.

[0006] Preferably, the information macrograph design module further comprises: The information macrograph design module automatically extracts device mechanical properties, electrical connectors, contact point distribution and interface circuit information in the database file including interface data single and cable network contact point table, analyzes information transmission paths between devices, automatically generates device connection relationships and module, unit and device grouping relationships. The checking unit is used for data checking and analysis, and outputs a checking result list and color marks for errors. The layout management unit is used for generating the static information macrograph according to the device connection relationships and the grouping relationships. The static information macrograph generates a multi-layer information architecture graph from bottom to top according to a predefined hierarchical design rule through the macrograph hierarchical design and management unit. The static information macrograph supports displaying different granularities of information at different levels through search positioning and multi-layer stepless zooming. The static information macrograph supports exporting to formats including AutoCAD, jpg, png and PDF in whole, in layers or in parts, or automatically generating a self-contained browsing program.

[0007] Preferably, the static information macrograph further comprises: The static information big graph generates remote control information flow graph, telemetry information flow graph, high-speed data transmission information flow graph, voice image information flow graph, display alarm information flow graph, payload information flow graph and other information flow graphs through the processing unit, for analyzing the transmission process of various types of information in the data channel and the information interface relationship; The static information big graph generates subsystem information graphs including number tube subsystem information graph, TT&C communication subsystem information graph, GNC subsystem information graph, power supply subsystem information graph, docking mechanism subsystem information graph, space technology test subsystem information graph, thermal control subsystem information graph, propulsion subsystem information graph, instrument and lighting subsystem information graph, overall circuit subsystem information graph, environmental control and life support subsystem information graph, structural mechanism subsystem information graph, mechanical arm subsystem information graph and overall assembly subsystem information graph through local graph extraction function.

[0008] Preferably, the model library construction module further comprises: The model library construction module is based on multi-domain physical unified modeling language Modelica, follows interface data sheet, cable connection table database information and model library mapping protocol, constructs hierarchical information professional model library according to product structure division, and is divided into Modelica basic library, equipment general library, type customization library and information system single machine simulation model library from bottom to top; Based on the Modelica basic library, the equipment general library and the type customization library, the information system single machine simulation model library is constructed through steps including determining theoretical knowledge and use conditions of equipment single machine model, planning single machine model window, programming single machine model and testing single machine model.

[0009] Preferably, the database information and model library mapping protocol further comprises: Database information constraints including interface data sheet and cable connection table, wherein the database information constraints include equipment code, equipment type, interface information and cable connection information; Model library construction constraints, including that the minimum granularity of the information professional model library modeling is equipment single machine model, the model library framework interface should be a hierarchical structured storage model, the model name should be consistent with the equipment code naming, and the interface definition of the equipment model should be consistent with the equipment interface.

[0010] Preferably, the information professional model library further comprises: The Modelica basic library contains sensor, display subunit, instruction distribution subunit, measurement subunit, switch, network manager, ground station basic information professional simulation subunit; The general-purpose device library is built on the Modelica basic library and includes a computer, a data multiplexing subunit, a remote control integration subunit, a measurement and control subunit, a network communication subunit, common algorithm components, and a general model icon. The model customization library is based on the general equipment library and is constructed by model inheritance, interface inheritance, variable inheritance, equation inheritance and injection of model parameters. It includes bus model library, system network equipment model library, communication network equipment model library, load network equipment model library and interface model library. The information system stand-alone simulation model library includes 37 stand-alone models, including S-band receiving antenna, S-band transmitting antenna, USB antenna network, BD-GPS antenna, BD-GPS preamplifier, and air-to-air communication antenna.

[0011] Preferably, the information flow simulation verification and analysis module further includes: Based on database information and model library mapping protocol, the static information large image is automatically used to generate an information system simulation model; The information system simulation model is automatically checked for matching based on the mapping relationship, and the matching status is marked. Supports loading standalone simulation models with mismatched check results for model debugging, editing, and parameter input; The information system simulation model is compiled to generate an independently run parametric simulation analysis solver that supports single-step simulation solving, accepts external inputs including flight procedure commands, sudden commands or data, and sets the simulation step size, simulation interval, accuracy and integration algorithm of the simulation analysis solver. The information system simulation model is subjected to system network simulation analysis, communication network simulation analysis, and load network simulation analysis. The simulation results are displayed in real time and dynamically, generating large dynamic information graphs, including dynamic information graphs, simulation model displays, parameter curve displays, flight trajectory animation displays, bar chart displays, numerical displays, and indicator light displays.

[0012] Preferably, the system network simulation analysis, the communication network simulation analysis, and the payload network simulation analysis include: The system network simulation analysis involves simulating and analyzing 44 1553B system network bus models, including A bus and B bus, and collecting data on bus volume, bus occupancy time, and load rate. The communication network simulation analysis involves simulating and analyzing Ethernet models of dozens of stand-alone devices, including top-level switches and access switches, and collecting data volume, data transmission rate, and bandwidth usage. The load network simulation analysis involves simulating and analyzing an Ethernet model that includes backbone switches, and statistically analyzing data volume, data transmission rate, and bandwidth usage.

[0013] Preferably, the dynamic information large image further includes: Establish a matching relationship between the information system objects of the associated aircraft and the dynamic simulation data generated during the simulation of the information system simulation model; After a single-step simulation, the simulation data is transmitted in real time to the corresponding large information graph object based on the matching relationship. To achieve information fusion between large-scale aircraft information images and information simulation data.

[0014] Based on the same concept, the present invention also provides a storage medium storing computer-readable instructions, which, when executed by one or more processors, cause one or more processors to execute a module of an aircraft information flow analysis, verification and recalculation system as described in any one of the embodiments.

[0015] Compared with the prior art, the beneficial effects of the present invention are: The information flow diagram design module, model library construction module, and information flow simulation verification and analysis module provided by this invention simplify the drawing of various information flow diagrams, standardize system model design, reduce the workload of drawing and modeling designers, avoid introducing secondary human errors, significantly improve the efficiency and accuracy of visualization design and simulation verification, and improve the development efficiency of aircraft information systems. Attached Figure Description

[0016] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention.

[0017] Figure 1 This is a block diagram of an aircraft information flow analysis, verification, and recalculation system according to the present invention; Figure 2 This is a schematic diagram of the components of the information large image design module of the present invention; Figure 3 This is a schematic diagram of the components of the model library construction module of the present invention; Figure 4 This is a schematic diagram of the automatically generated simulation model framework of the system of the present invention; Figure 5 This is a schematic diagram illustrating the fusion of large-scale information maps and information simulation data. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Obviously, the described embodiments are only some, not all, of the embodiments described in this application. All other embodiments obtained by those skilled in the art based on the embodiments in this application without creative effort are within the scope of protection of this application.

[0019] Those skilled in the art will understand that, unless otherwise stated, the singular forms “a” and “an” used herein, and “the”, may also include the plural forms. It should be further understood that the term “comprising” as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0020] First Embodiment Please see Figure 1 As shown, this embodiment provides an aircraft information flow analysis, verification, and recalculation system. Employing digital simulation tools and a modular, hierarchical design philosophy, it can explore the design, analysis, and simulation working modes of large-scale digital information flow graphs, including: The information large image design module is used to design, generate, and display static information large images. It includes an inspection unit, a layout management unit, a processing unit, a large image layered design and management unit, a search and positioning unit, a multi-layer stepless scaling unit, and a layered or partial export of specified format files unit. The inspection unit includes matching checks, single-point multi-line checks, information link tracing, and paired electrical connector checks. The layout management unit includes equipment layout and management, cable wiring and management, wire layout and management, and electrical connector layout and management. The processing unit includes signal classification, signal filtering, and signal management.

[0021] Please see Figure 2 As shown, the information large image design module further includes: The information large-scale design module automatically extracts equipment mechanical characteristics, electrical connectors, contact allocation, and interface circuit information from database files, including interface data sheets and cable network contact tables. It analyzes the information transmission path between devices and automatically generates equipment connection relationships and module, unit, and device grouping relationships. Specifically, in this embodiment, based on the multi-domain physical unified modeling language Modelica, it automatically extracts information characteristic parameters from interface data sheets, cable network contact tables, etc., enabling users to view the large-scale model anytime, anywhere without installing software, facilitating the transfer and use of large-scale models, as well as version fixing and archiving. The inspection unit performs data inspection and analysis, outputs a list of inspection results, and colors out errors. The layout management unit generates the static information map based on the device connection relationship and the grouping relationship. The static information map, based on predefined hierarchical design rules, generates a multi-layered information architecture diagram from bottom to top through the map hierarchical design and management unit. Specifically, in this embodiment, as follows: Figure 3 As shown, the remote control information flow diagram, telemetry information flow diagram, high-speed data transmission information flow diagram, voice and image information flow diagram, display and alarm information flow diagram, payload information flow diagram, and other information flow diagrams are designed according to predefined hierarchical design rules. The static information large image supports displaying information of different granularities at different levels through search and positioning, and multi-level stepless scaling. The static information large image supports exporting to formats including AutoCAD, JPG, PNG, and PDF, either as a whole, layered, or partial format, or automatically generating a standalone browsing program.

[0022] Preferably, the large static information image further includes: The static information graph is generated by the processing unit into remote control information flow graph, telemetry information flow graph, high-speed data transmission information flow graph, voice and image information flow graph, display alarm information flow graph, payload information flow graph and other information flow graphs, which are used to analyze the transmission process of various types of information in the data channel and the information interface relationship. The static information map generates subsystem information diagrams, including those for the data management subsystem, measurement and control communication subsystem, GNC subsystem, power supply subsystem, docking mechanism subsystem, space technology experiment subsystem, thermal control subsystem, propulsion subsystem, instrumentation and lighting subsystem, overall circuit subsystem, environmental control and life support subsystem, structural mechanism subsystem, robotic arm subsystem, and overall assembly subsystem, through the local graphic extraction function.

[0023] The model library construction module is used to build a structured and hierarchical information professional model library, which is built from several single-machine equipment models. The model library is divided into several sub-model libraries, each containing a single-machine equipment model of the corresponding type. The single-machine equipment model is the smallest unit of granularity.

[0024] Please see Figure 3 , Figure 4 and Figure 5 As shown, the model library construction module further includes: The model library construction module is based on the multi-domain physical unified modeling language Modelica, and follows the interface data sheet, cable contact table database information, and model library mapping protocol. It constructs a hierarchical information professional model library according to product structure, divided from bottom to top into the Modelica basic library, equipment general library, model customization library, and information system stand-alone simulation model library. Specifically, in this embodiment, as follows... Figure 5 As shown, through an external interface, flight procedure commands, emergency commands, or data are obtained and associated with the simulation model to debug, compile, and solve the simulation model. Based on the Modelica basic library, the general equipment library, and the model customization library, an information system single-machine simulation model library is constructed through steps including determining the theoretical knowledge and usage conditions of the single-machine model, planning the single-machine model window, programming the single-machine model, and testing the single-machine model.

[0025] Preferably, the database information and model library mapping protocol further includes: Database information constraints, including interface data sheets and cable connection tables, include equipment code, equipment type, interface information, and cable connection information. The constraints for building the model library include that the minimum granularity of modeling in the information professional model library is a single-machine model, the model library framework interface should be a hierarchical structured storage model, the model name should be consistent with the device code name, and the interface definition of the device model should be consistent with the interface of the device.

[0026] Preferably, the information professional model library further includes: The Modelica basic library includes sensors, display subunits, command distribution subunits, measurement subunits, switches, network managers, and ground station basic information professional simulation subunits; The general-purpose device library is built on the Modelica basic library and includes a computer, a data multiplexing subunit, a remote control integration subunit, a measurement and control subunit, a network communication subunit, common algorithm components, and a general model icon. The model customization library is based on the general equipment library and is constructed by model inheritance, interface inheritance, variable inheritance, equation inheritance and injection of model parameters. It includes bus model library, system network equipment model library, communication network equipment model library, load network equipment model library and interface model library. The information system stand-alone simulation model library includes 37 stand-alone models, including S-band receiving antenna, S-band transmitting antenna, USB antenna network, BD-GPS antenna, BD-GPS preamplifier, and air-to-air communication antenna.

[0027] The information flow simulation verification and analysis module is used for dynamic simulation and result visualization based on the static information map. This includes information system simulation models generated by mapping from the information professional model library, map simulation management, model debugging and parameter settings, and visualization of simulation results. Specifically, in this embodiment, external data such as flight procedure instructions, burst data, or other data are injected into the system simulation model to participate in simulation calculations. The information flow simulation verification and analysis module performs system network bus traffic simulation, communication network bus traffic simulation, and payload network bus traffic iterative simulation based on the static information map, information professional model library, and information system simulation model. Simulation result parameters are dynamically displayed on the information flow map. Combining the dynamic information map, parameter curves, flight trajectory animations, bar charts, numbers, indicator lights, etc., the module dynamically displays information flow simulation data such as system network bus data traffic, system network bus occupancy time, system network device data volume, Ethernet communication data traffic, and Ethernet device data traffic during the mission cycle in real time. This comprehensively reflects information related to time and space dimensions, achieving the fusion of the information map and information simulation data, and realizing digital modeling, simulation, analysis, and verification of the model information flow.

[0028] Preferably, the information flow simulation verification and analysis module further includes: Based on database information and model library mapping protocol, the static information large image is automatically used to generate an information system simulation model; The information system simulation model is automatically checked for matching based on the mapping relationship, and the matching status is marked. Supports loading standalone simulation models with mismatched check results for model debugging, editing, and parameter input; The information system simulation model is compiled to generate an independently run parametric simulation analysis solver that supports single-step simulation solving, accepts external inputs including flight procedure commands, sudden commands or data, and sets the simulation step size, simulation interval, accuracy and integration algorithm of the simulation analysis solver. The information system simulation model is subjected to system network simulation analysis, communication network simulation analysis, and load network simulation analysis. The simulation results are displayed in real time and dynamically, generating large dynamic information graphs, including dynamic information graphs, simulation model displays, parameter curve displays, flight trajectory animation displays, bar chart displays, numerical displays, and indicator light displays.

[0029] Preferably, the system network simulation analysis, the communication network simulation analysis, and the payload network simulation analysis include: The system network simulation analysis involves simulating and analyzing 44 1553B system network bus models, including A bus and B bus, and collecting data on bus volume, bus occupancy time, and load rate. The communication network simulation analysis involves simulating and analyzing Ethernet models of dozens of stand-alone devices, including top-level switches and access switches, and collecting data volume, data transmission rate, and bandwidth usage. The load network simulation analysis involves simulating and analyzing an Ethernet model that includes backbone switches, and statistically analyzing data volume, data transmission rate, and bandwidth usage.

[0030] Preferably, the dynamic information large image further includes: Establish a matching relationship between the information system objects of the associated aircraft and the dynamic simulation data generated during the simulation of the information system simulation model; After a single-step simulation, the simulation data is transmitted in real time to the corresponding large information graph object based on the matching relationship. To achieve information fusion between large-scale aircraft information images and information simulation data.

[0031] Second Embodiment Based on the same concept, this embodiment provides a storage medium storing computer-readable instructions, which, when executed by one or more processors, cause one or more processors to execute a module of an aircraft information flow analysis, verification, and recalculation system according to an embodiment of the present invention.

[0032] It is understood that, for the aforementioned aircraft information flow analysis, verification, and recalculation system, if all components are implemented as software functional modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer server or a network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this invention. The aforementioned storage medium includes: USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, optical disks, and other media capable of storing program code.

[0033] Computer-readable storage media may include data signals propagated in baseband or as part of a carrier wave, carrying readable program code. Such propagated data signals may take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination thereof. A readable storage medium may also be any readable medium other than a readable storage medium that can transmit, propagate, or transfer a program for use by or in connection with an instruction execution system, apparatus, or device. The program code contained on the readable storage medium may be transmitted using any suitable medium, including but not limited to wireless, wired, optical fiber, RF, etc., or any suitable combination thereof.

[0034] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A system for analyzing, verifying, and recalculating aircraft information flow, characterized in that, include: The information large image design module is used to design, generate, and display static information large images. It includes an inspection unit, a layout management unit, a processing unit, a large image layered design and management unit, a search and positioning unit, a multi-layer stepless scaling unit, and a layered or partial export of specified format files unit. The inspection unit includes matching checks, single-point multi-line checks, information link tracing, and paired electrical connector checks. The layout management unit includes equipment layout and management, cable wiring and management, wire layout and management, and electrical connector layout and management. The processing unit includes signal classification, signal filtering, and signal management. The model library construction module is used to build a structured and hierarchical information professional model library, which is built from several single-machine equipment models. The model library is divided into several sub-model libraries, each containing a single-machine equipment model of the corresponding type. The single-machine equipment model is the smallest unit of granularity. The information flow simulation verification and analysis module is used to perform dynamic simulation and result visualization based on the static information large image, including information system simulation model generated by mapping according to the information professional model library, large image simulation management, model debugging and parameter setting, and visualization display of simulation results.

2. The aircraft information flow analysis, verification, and recalculation system according to claim 1, characterized in that, The information large image design module further includes: The information map design module automatically extracts equipment mechanical characteristics, electrical connectors, contact allocation and interface circuit information from database files including interface data sheets and cable network contact tables, analyzes the information transmission path between devices, and automatically generates equipment connection relationships and module, unit and device grouping relationships. The inspection unit performs data inspection and analysis, outputs a list of inspection results, and colors out errors. The layout management unit generates the static information map based on the device connection relationship and the grouping relationship. The static information map generates a multi-layer information architecture diagram from bottom to top through the map layer design and management unit according to predefined layer design rules. The static information large image supports displaying information of different granularities at different levels through search and positioning, and multi-level stepless scaling. The static information large image supports exporting to formats including AutoCAD, JPG, PNG, and PDF, either as a whole, layered, or partial format, or automatically generates a standalone browsing program.

3. The aircraft information flow analysis, verification, and recalculation system according to claim 2, characterized in that, The static information image further includes: The static information graph is generated by the processing unit into remote control information flow graph, telemetry information flow graph, high-speed data transmission information flow graph, voice and image information flow graph, display alarm information flow graph, payload information flow graph and other information flow graphs, which are used to analyze the transmission process of various types of information in the data channel and the information interface relationship. The static information map generates subsystem information diagrams, including those for the data management subsystem, measurement and control communication subsystem, GNC subsystem, power supply subsystem, docking mechanism subsystem, space technology experiment subsystem, thermal control subsystem, propulsion subsystem, instrumentation and lighting subsystem, overall circuit subsystem, environmental control and life support subsystem, structural mechanism subsystem, robotic arm subsystem, and overall assembly subsystem, through the local graphic extraction function.

4. The aircraft information flow analysis, verification, and recalculation system according to claim 1, characterized in that, The model library construction module further includes: The model library construction module is based on the multi-domain physical unified modeling language Modelica. It follows the interface data sheet, cable contact table database information and model library mapping protocol. It constructs a hierarchical information professional model library according to the product structure, which is divided from bottom to top into Modelica basic library, equipment general library, model customization library and information system single machine simulation model library. Based on the Modelica basic library, the general equipment library, and the model customization library, an information system single-machine simulation model library is constructed through steps including determining the theoretical knowledge and usage conditions of the single-machine model, planning the single-machine model window, programming the single-machine model, and testing the single-machine model.

5. The aircraft information flow analysis, verification, and recalculation system according to claim 4, characterized in that, The database information and model library mapping protocol further include: Database information constraints, including interface data sheets and cable connection tables, include equipment code, equipment type, interface information, and cable connection information. The constraints for building the model library include that the minimum granularity of modeling in the information professional model library is a single-machine model, the model library framework interface should be a hierarchical structured storage model, the model name should be consistent with the device code name, and the interface definition of the device model should be consistent with the interface of the device.

6. The aircraft information flow analysis, verification, and recalculation system according to claim 4, characterized in that, The information professional model library further includes: The Modelica basic library includes sensors, display subunits, command distribution subunits, measurement subunits, switches, network managers, and ground station basic information professional simulation subunits; The general-purpose device library is built on the Modelica basic library and includes a computer, a data multiplexing subunit, a remote control integration subunit, a measurement and control subunit, a network communication subunit, common algorithm components, and a general model icon. The model customization library is based on the general equipment library and is constructed by model inheritance, interface inheritance, variable inheritance, equation inheritance and injection of model parameters. It includes bus model library, system network equipment model library, communication network equipment model library, load network equipment model library and interface model library. The information system stand-alone simulation model library includes several stand-alone models, including S-band receiving antenna, S-band transmitting antenna, USB antenna network, BD-GPS antenna, BD-GPS preamplifier, and air-to-air communication antenna.

7. The aircraft information flow analysis, verification, and recalculation system according to claim 1, characterized in that, The information flow simulation verification and analysis module further includes: Based on database information and model library mapping protocol, the static information large image is automatically used to generate an information system simulation model; The information system simulation model is automatically checked for matching based on the mapping relationship, and the matching status is marked. Supports loading standalone simulation models with mismatched check results for model debugging, editing, and parameter input; The information system simulation model is compiled to generate a parameterized simulation analysis solver that can run independently. It supports single-step simulation solving, accepts external inputs including flight procedure instructions, sudden instructions or data, and sets the simulation step size, simulation interval, accuracy and integration algorithm of the simulation analysis solver. The information system simulation model is subjected to system network simulation analysis, communication network simulation analysis, and load network simulation analysis. The simulation results are displayed in real time and dynamically, generating large dynamic information graphs, including dynamic information graphs, simulation model displays, parameter curve displays, flight trajectory animation displays, bar chart displays, numerical displays, and indicator light displays.

8. The aircraft information flow analysis, verification, and recalculation system according to claim 7, characterized in that, The system network simulation analysis, the communication network simulation analysis, and the payload network simulation analysis include: The system network simulation analysis involves simulating and analyzing several 1553B system network bus models, including the A bus and the B bus, and collecting data on bus volume, bus occupancy time, and load rate. The communication network simulation analysis involves simulating and analyzing Ethernet models of dozens of stand-alone devices, including top-level switches and access switches, and collecting data volume, data transmission rate, and bandwidth usage. The load network simulation analysis involves simulating and analyzing an Ethernet model that includes backbone switches, and statistically analyzing data volume, data transmission rate, and bandwidth usage.

9. The aircraft information flow analysis, verification, and recalculation system according to claim 7, characterized in that, The dynamic information large image further includes: Establish a matching relationship between the information system objects of the associated aircraft and the dynamic simulation data generated during the simulation of the information system simulation model; After a single-step simulation, the simulation data is transmitted in real time to the corresponding large information graph object based on the matching relationship. To achieve information fusion between large-scale aircraft information images and information simulation data.

10. A storage medium storing computer-readable instructions, characterized in that, When the computer-readable instructions are executed by one or more processors, the one or more processors cause the one or more processors to execute a module of an aircraft information flow analysis, verification and recalculation system as described in any one of claims 1 to 9.