Method and system for graphical self-adaptive calculation of pressure drop of use user of aircraft hydraulic system

Abstract

The invention provides a method and system for graphically and adaptively calculating the pressure drop of a user of an aircraft hydraulic system, and belongs to the technical field of aviation electromechanics, and the method specifically comprises the following steps: setting a plurality of graphic modules and a flow resistance analysis counter according to the pressure drop calculation requirements of the user of the hydraulic system; configuring attribute parameters for each graphic module; establishing an association relationship between each graphic module and a flow resistance analysis counter; according to an onboard pipeline arrangement scheme, connecting the graphic modules to obtain an overall drawing; according to the incidence relation, the flow resistance analytical statistics device automatically calculates the pressure drop value of each hydraulic system user according to the overall drawing; and re-checking the calculated voltage drop value, and carrying out error reporting reminding. According to the processing scheme, the model is simple, the steps are simplified, operation is convenient, and the working efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of aviation electromechanical technology, and in particular to a graphical adaptive calculation method and system for user pressure drop in aircraft hydraulic systems. Background Technology

[0002] Aircraft hydraulic systems serve a large number of users, such as users of flight control systems (ailerons, rudders, elevators, flaps, spoilers, etc.) and landing gear systems (nose wheel steering, braking, landing gear retraction and extension, etc.). To improve system safety, users often employ redundancy configurations. The pressure drop at each user end is related to the flow resistance of its connected pipelines and finished accessories. During the hydraulic system design process, the energy configuration, flow requirements, and pipeline configurations of system users are iteratively updated as the design deepens. Pressure drop calculations require dynamic statistical analysis of the flow resistance of pipelines and finished products, consuming significant human resources and being prone to errors. Summary of the Invention

[0003] In view of this, embodiments of this application provide a graphical adaptive calculation method and system for user pressure drop of an aircraft hydraulic system, which at least partially solves the problems of low efficiency and error-proneness in calculating user-end pressure drop of an aircraft hydraulic system during the system solution iteration process in the prior art.

[0004] In a first aspect, embodiments of this application provide a graphical adaptive calculation method for user pressure drop in an aircraft hydraulic system, the method comprising: Based on the pressure drop calculation requirements of hydraulic system users, multiple graphical modules and a flow resistance analysis statistician are set up; Configure attribute parameters for each graphics module; Establish the correlation between each graphics module and the flow resistance analysis statistician; Based on the onboard piping layout plan, connect the various graphic modules to obtain the overall drawing; Based on the aforementioned correlation, the flow resistance analysis statistician automatically calculates the pressure drop value for each hydraulic system user according to the overall plot; The calculated pressure drop value is verified and an error message is displayed.

[0005] According to a specific implementation of an embodiment of this application, the step of setting up multiple graphical modules based on the user's pressure drop calculation requirements for the hydraulic system includes: Based on the pressure drop calculation requirements of hydraulic system users, user graphic modules, pipeline component graphic modules, hydraulic accessory graphic modules, and pipeline connector graphic modules are set up.

[0006] According to a specific implementation of an embodiment of this application, configuring attribute parameters for each graphics module includes: Configure attribute parameters for the user's graphical module, including maximum power requirement parameters, mission profile parameters, and power requirement percentage parameters. Maximum power requirement parameters include the user's maximum flow requirement under rated pressure; mission profile parameters include aircraft mission profile parameters for taxiing, takeoff, climb, cruise, and landing phases; and power requirement percentage parameters include the ratio of power requirement to maximum power requirement under different mission profiles. Configure attribute parameters for the pipeline component graphic module, including pipeline material attribute parameters, pipeline pressure type parameters, and pipeline specification parameters. Pipeline material attribute parameters include titanium alloy material attribute parameters, stainless steel material attribute parameters, and aluminum alloy material attribute parameters; pipeline pressure type parameters include high pressure parameters, oil suction parameters, and oil return parameters; pipeline specification parameters include the selection of different pipe diameter specifications. Configure attribute parameters for the hydraulic accessory graphics module, including accessory classification parameters and flow resistance information parameters. Accessory classification parameters include tank parameters, pump source parameters, and control valve parameters; flow resistance information parameters include accessory flow resistance parameters. Configure attribute parameters for the pipeline connector graphic module to connect various pipeline graphic modules between the hydraulic accessory graphic module and the user graphic module.

[0007] According to a specific implementation of an embodiment of this application, establishing the association between each graphics module and the flow resistance analysis statistician includes: Starting with any user graphics module, the flow resistance analyzer, pipeline component graphics module, and pipeline connector graphics module are used to sequentially establish the cross-linking relationship between the user graphics module and the hydraulic accessory graphics module.

[0008] According to a specific implementation of an embodiment of this application, establishing the cross-linking relationship between the user graphics module and the hydraulic accessory graphics module includes: Step 31: Determine the flow resistance parameter per unit length of the pipe assembly graphic module. One end of the pipe assembly graphic module is connected to the user graphic module, and the other end of the pipe assembly graphic module is connected to the pipe connector graphic module. Step 32: Using the graphic scale, automatically determine the length parameters of the pipeline component graphic module; Step 33: Multiply the unit length flow resistance parameter obtained in step 31 with the length parameter obtained in step 32 to calculate the actual flow resistance of the pipeline. Step 34: Set the flow resistance of the hydraulic accessory graphic module according to the actual flow resistance of the pipeline; Step 35: Based on the pipeline flow parameters under different task profiles, calculate, summarize, and sum the flow resistance of all pipelines from the hydraulic pump accessory module to the user module and the hydraulic accessory graphic module to obtain the flow resistance and value under each task profile. Step 36: Compare the flow resistance and values ​​under each task profile, and output the largest flow resistance and value as the user's voltage drop value.

[0009] According to a specific implementation of an embodiment of this application, the calculation of the flow resistance parameter per unit length includes the following steps: Step 311: Connect the piping component graphic module to the user graphic module. The flow resistance analyzer is automatically activated. The flow resistance analyzer extracts the material information of the piping component graphic module, the specification information of the piping component graphic module, the maximum flow rate information of the user graphic module, and the power requirement percentage information of the user graphic module. Step 312: Based on the maximum traffic information using the user graph module and the percentage of power demand information using the user graph module, obtain the traffic demand under each task profile; Step 313: For each task profile, determine the maximum flow rate based on the pressure type parameters of the piping component graphic module, and obtain the piping specifications of the piping component graphic module based on the flow rate requirement and maximum flow rate under that task profile. Step 314: For each task profile, determine the flow resistance parameter per unit length based on the pipe material and pipe specifications of the pipe component graphic module.

[0010] According to a specific implementation of an embodiment of this application, the step of automatically determining the length parameter of the pipeline component graphic module in conjunction with the graphic scale includes: Step 321: Set the graphic scale; Step 322: Connect the piping component module to the piping connector or accessory piping using the user graphical module; Step 323: Compare the pipe component module with the graphic scale and automatically assign the length to obtain the pipe length parameter of the pipe component graphic module.

[0011] According to a specific implementation of an embodiment of this application, the step of connecting the various graphics modules according to the onboard piping layout scheme includes: According to the onboard piping layout plan, connect the piping component graphic module with the hydraulic user graphic module, the hydraulic accessory graphic module, and the graphic modules of each piping connector.

[0012] According to a specific implementation of an embodiment of this application, the step of automatically calculating the pressure drop value of each hydraulic system user based on the correlation relationship and the overall plotted graph includes: The pipeline attribute parameters, the maximum flow information of the user graphic module, and the flow resistance of the hydraulic accessory graphic module are set. Based on the above correlation, the flow resistance analysis and statistics unit automatically calculates the pressure drop value of each hydraulic system user.

[0013] Secondly, embodiments of this application also provide a graphical adaptive calculation system for aircraft hydraulic systems using user pressure drop, for implementing the graphical adaptive calculation method for aircraft hydraulic systems using user pressure drop as described in any embodiment of the first aspect, the system comprising: The graphics module setting module is used to set up multiple graphics modules according to the pressure drop calculation requirements of users of hydraulic systems. These multiple graphics modules include a flow resistance analysis statistician. The attribute parameter configuration module is used to configure attribute parameters for each graphics module; The relationship building module is used to establish the relationship between each graphical module and the flow resistance analysis statistician; The drawing module is used to connect various graphic modules according to the on-board piping layout plan to obtain the overall drawing diagram; The calculation module is used to automatically calculate the pressure drop value of each hydraulic system user according to the overall plot based on the correlation relationship and the flow resistance analysis statistician. The verification module is used to verify the calculated pressure drop value and provide error alerts.

[0014] Beneficial effects: The graphical adaptive calculation of the aircraft hydraulic system in this embodiment utilizes a user-defined pressure drop method and system. By fully leveraging user pressure drop technology, it achieves intuitive visualization and intelligent calculation of the hydraulic system's operating status. This method, through a graphical interface, significantly simplifies the operation process, allowing users to quickly get started without needing in-depth knowledge of complex hydraulic theory. The system integrates an automated processing module, significantly improving the intelligence level and response speed of operation, effectively reducing the need for manual intervention. Simultaneously, this solution greatly improves the efficiency of the design and analysis phases, shortens the development cycle, and ensures the accuracy and reliability of the calculation results. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A flowchart illustrating the user-defined pressure drop method used in the graphical adaptive calculation of an aircraft hydraulic system according to an embodiment of the present invention; Figure 2 Another flowchart of a user-defined pressure drop method for graphical adaptive calculation of an aircraft hydraulic system according to an embodiment of the present invention. Detailed Implementation

[0017] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0018] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0019] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0020] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The illustrations only show the components related to this application and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0021] Furthermore, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that the described aspects can be practiced without these specific details.

[0022] In a first aspect, embodiments of this application provide a graphical adaptive calculation method for user-defined pressure drop in an aircraft hydraulic system, referring to... Figure 1 The method includes: Step 1: Based on the pressure drop calculation requirements of the hydraulic system users, set up multiple graphical modules and a flow resistance analysis statistician; Step 2: Configure attribute parameters for each graphics module; Step 3: Establish the relationship between each graphical module and the flow resistance analysis statistician; Step 4: Connect the various graphic modules according to the onboard piping layout plan to obtain the overall drawing; Step 5: Based on the aforementioned correlation, the flow resistance analysis statistician automatically calculates the pressure drop value for each hydraulic system user according to the overall plot; Step 6: Verify the calculated pressure drop value and issue an error message.

[0023] In this embodiment, a user graphical module for hydraulic systems is set up, configuring maximum power demand parameters and mission profile parameters; a pipeline component graphical module is set up, configuring pipeline material property parameters, functional classifications, and pipeline specification parameters; and a hydraulic accessory graphical module is set up, configuring functional parameters and flow resistance parameters. The system users and hydraulic energy are dynamically linked using the wiring, and a graphical method is employed to dynamically calculate and statistically analyze the pressure drop of the hydraulic system users. Through the setting and association of graphical modules, the pressure drop calculation is automated and intelligent, greatly reducing the workload and error rate of manual calculations. Simultaneously, this method can be flexibly adjusted according to the actual pipeline layout scheme, ensuring the accuracy and practicality of the calculation results. Furthermore, the introduction of a verification and error reporting mechanism further enhances the reliability and stability of the system, providing strong support for the design and analysis of aircraft hydraulic systems.

[0024] In one specific embodiment, the step of setting up multiple graphical modules according to the user's pressure drop calculation requirements for the hydraulic system includes: Based on the pressure drop calculation requirements of hydraulic system users, user graphic modules, pipeline component graphic modules, hydraulic accessory graphic modules, and pipeline connector graphic modules are set up.

[0025] Specifically, the system uses a user graphical module, a pipeline component graphical module, a hydraulic accessory graphical module, and a flow resistance analyzer to graphically connect the models using the pipeline component graphical module. Based on the graphical connections between the user and hydraulic system accessories, the system calculates the flow resistance values ​​of the pipeline components and statistically analyzes the flow resistance values ​​of the accessories, automatically performing statistical analysis based on the graphical connections. This embodiment features a simple model, streamlined steps, and is easy to operate, thus improving work efficiency.

[0026] In one specific embodiment, refer to Figure 2 The configuration of attribute parameters for each graphics module includes: Configure attribute parameters for the user's graphical module, including maximum power requirement parameters, mission profile parameters, and power requirement percentage parameters. Maximum power requirement parameters include the user's maximum flow requirement under rated pressure; mission profile parameters include aircraft mission profile parameters for taxiing, takeoff, climb, cruise, and landing phases; and power requirement percentage parameters include the ratio of power requirement to maximum power requirement under different mission profiles. Configure attribute parameters for the pipeline component graphic module, including pipeline material attribute parameters, pipeline pressure type parameters, and pipeline specification parameters. Pipeline material attribute parameters include titanium alloy material attribute parameters, stainless steel material attribute parameters, and aluminum alloy material attribute parameters; pipeline pressure type parameters include high pressure parameters, oil suction parameters, and oil return parameters; pipeline specification parameters include the selection of different pipe diameter specifications. Configure attribute parameters for the hydraulic accessory graphics module, including accessory classification parameters and flow resistance information parameters. Accessory classification parameters include tank parameters, pump source parameters, and control valve parameters; flow resistance information parameters include accessory flow resistance parameters. Configure attribute parameters for the pipeline connector graphic module to connect various pipeline graphic modules between the hydraulic accessory graphic module and the user graphic module.

[0027] In this embodiment, the graphics module has attribute setting functions, and the flow resistance analysis and statistics unit has logical judgment, statistical, and keyword recognition functions. The attribute settings of the graphics module cover various key parameters of the hydraulic system, ensuring the integrity and accuracy of the basic calculation data. The flow resistance analysis and statistics unit, through its built-in algorithm model, can automatically identify the topological relationships between graphics modules and perform iterative calculations of pressure drop values ​​based on fluid mechanics principles. The system supports parallel processing of multi-task profiles and can simultaneously generate pressure drop distribution maps under different flight phases, providing a visual basis for the dynamic performance evaluation of the hydraulic system. In terms of abnormal operating condition handling, the system's built-in error reporting mechanism can provide graded warnings for situations such as pipeline specification exceeding limits and abnormal flow resistance parameters. Through a modular design architecture, each functional component can run independently to complete specialized analyses or be combined to form a complete solution. This flexible configuration characteristic makes it suitable for the compatibility verification of hydraulic systems of different aircraft models.

[0028] In one specific embodiment, establishing the association between each graphics module and the flow resistance analysis statistician includes: Starting with any user graphics module, the flow resistance analyzer, pipeline component graphics module, and pipeline connector graphics module are used to sequentially establish the cross-linking relationship between the user graphics module and the hydraulic accessory graphics module.

[0029] In practice, the pipeline component graphic module connects to the user graphic module and the hydraulic accessory module. The flow resistance analysis and statistics unit is automatically activated, automatically calculating the flow resistance within that pipeline section based on pipeline specifications, materials, and pressure type. After calculation, it searches for keywords containing "hydraulic pump" in the hydraulic accessory graphic module, using this as the starting point for counting. Simultaneously, it extracts and records the flow resistance information passing through the pipeline component graphic module and the hydraulic accessory graphic module, terminating when all hydraulic user graphic modules are reached. If there are multiple "hydraulic pumps" in the system, the above steps are repeated, and the data is recorded and statistically analyzed. The flow resistance from the "hydraulic pump" to the "user module" under each mission profile of the aircraft is statistically summed, and the maximum value is selected as the pressure drop value for the user.

[0030] In one specific embodiment, establishing the cross-linking relationship between the user graphics module and the hydraulic accessory graphics module includes: Step 31: Determine the flow resistance parameter per unit length of the pipe assembly graphic module. One end of the pipe assembly graphic module is connected to the user graphic module, and the other end of the pipe assembly graphic module is connected to the pipe connector graphic module. Step 32: Using the graphic scale, automatically determine the length parameters of the pipeline component graphic module; Step 33: Multiply the unit length flow resistance parameter obtained in step 31 with the length parameter obtained in step 32 to calculate the actual flow resistance of the pipeline. Step 34: Set the flow resistance of the hydraulic accessory graphic module according to the actual flow resistance of the pipeline; Step 35: Based on the pipeline flow parameters under different task profiles, calculate, summarize, and sum the flow resistance of all pipelines from the hydraulic pump accessory module to the user module and the hydraulic accessory graphic module to obtain the flow resistance and value under each task profile. Step 36: Compare the flow resistance and values ​​under each task profile, and output the largest flow resistance and value as the user's voltage drop value.

[0031] In one specific embodiment, the calculation of the flow resistance parameter per unit length includes the following steps: Step 311: Connect the piping component graphic module to the user graphic module. The flow resistance analyzer is automatically activated. The flow resistance analyzer extracts the material information of the piping component graphic module, the specification information of the piping component graphic module, the maximum flow rate information of the user graphic module, and the power requirement percentage information of the user graphic module. It is then in standby calculation mode. Step 312: Calculate and statistically analyze the traffic requirements of each task profile using the user graph module, including: obtaining the traffic requirements for each task profile based on the maximum traffic information of the user graph module and the percentage of power requirements of the user graph module. Step 313: Set the pressure type of the pipeline component graphic module. The flow resistance analyzer calculates the pipeline specifications based on the pipeline material, flow velocity, and flow parameters of the hydraulic actuator graphic module. Specifically, for each task profile, the maximum flow velocity is determined according to the pressure type parameters of the pipeline component graphic module. Based on the flow requirements and maximum flow velocity under the task profile, the pipeline specifications of the pipeline component graphic module are obtained. Step 314: For each task profile, determine the flow resistance parameter per unit length based on the pipe material and pipe specifications of the pipe component graphic module, and record the flow resistance parameter per unit length of the user graphic module.

[0032] In one specific embodiment, automatically determining the length parameter of the pipeline component graphic module by combining the graphic scale includes: Step 321: Set the graphic scale; Step 322: Connect the piping component module to the piping connector or accessory piping using the user graphical module; Step 323: Compare the pipe component module with the graphic scale and automatically assign the length to obtain the pipe length parameter of the pipe component graphic module.

[0033] In one specific embodiment, connecting the various graphics modules according to the onboard piping layout scheme includes: According to the onboard piping layout plan, connect the piping component graphic module with the hydraulic user graphic module, the hydraulic accessory graphic module, and the graphic modules of each piping connector.

[0034] In one specific embodiment, the flow resistance analysis statistician automatically calculates the pressure drop value for each hydraulic system user according to the overall plot based on the correlation relationship, including: The pipeline attribute parameters, the maximum flow information of the user graphic module, and the flow resistance of the hydraulic accessory graphic module are set. Based on the above correlation, the flow resistance analysis and statistics unit automatically calculates the pressure drop value of each hydraulic system user.

[0035] In one embodiment, the step of verifying the calculated pressure drop value and issuing error alerts specifically includes: changing the connection of the pipeline component graphic module and hydraulic accessory graphic module, checking the update status of statistical data, and issuing error alerts, such as if the pipeline path information in a single system has not been updated. After the statistical information is updated and confirmed, the alerts are automatically cleared.

[0036] Secondly, embodiments of this application also provide a graphical adaptive calculation system for aircraft hydraulic systems using user pressure drop, for implementing the graphical adaptive calculation method for aircraft hydraulic systems using user pressure drop as described in any embodiment of the first aspect, the system comprising: The graphics module setting module is used to set up multiple graphics modules according to the pressure drop calculation requirements of users of hydraulic systems. These multiple graphics modules include a flow resistance analysis statistician. The attribute parameter configuration module is used to configure attribute parameters for each graphics module; The relationship building module is used to establish the relationship between each graphical module and the flow resistance analysis statistician; The drawing module is used to connect various graphic modules according to the on-board piping layout plan to obtain the overall drawing diagram; The calculation module is used to automatically calculate the pressure drop value of each hydraulic system user according to the overall plot based on the correlation relationship and the flow resistance analysis statistician. The verification module is used to verify the calculated pressure drop value and provide error alerts.

[0037] The embodiments provided by this invention achieve full automation and intelligence in the calculation of pressure drop in aircraft hydraulic systems through the collaborative work of various modules. This method not only significantly improves computational efficiency and reduces the risk of errors caused by manual operation, but also adapts to the differentiated needs of different aircraft models and pipeline layouts through dynamic graphical modeling. Particularly in complex system analysis, the flow resistance analysis statistician ensures the accuracy of pressure drop values ​​under multi-task profiles by identifying topological relationships and iteratively calculating in real time. The system's built-in verification mechanism automatically detects data consistency and provides graded warnings for situations such as pipeline specification exceeding limits and abnormal flow resistance parameters, effectively ensuring the reliability of calculation results. Furthermore, the modular design architecture supports the independent operation and combined application of functional components, allowing for specialized analysis of specific components as well as the construction of complete hydraulic system models for comprehensive verification. This flexibility makes it highly valuable in the development of new aircraft models and the modification of existing models. The resulting visualized pressure drop distribution map provides intuitive data support for hydraulic system optimization design, energy efficiency assessment, and fault prediction.

[0038] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A graphical adaptive calculation method for pressure drop in an aircraft hydraulic system using a user-defined approach, characterized in that... The method includes: Based on the pressure drop calculation requirements of hydraulic system users, multiple graphical modules and a flow resistance analysis statistician are set up; Configure attribute parameters for each graphics module; Establish the correlation between each graphics module and the flow resistance analysis statistician; Based on the onboard piping layout plan, connect the various graphic modules to obtain the overall drawing; Based on the aforementioned correlation, the flow resistance analysis statistician automatically calculates the pressure drop value for each hydraulic system user according to the overall plot; The calculated pressure drop value is verified and an error message is displayed.

2. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 1, characterized in that, Based on the user's pressure drop calculation requirements for the hydraulic system, multiple graphical modules are set up, including: Based on the pressure drop calculation requirements of hydraulic system users, user graphic modules, pipeline component graphic modules, hydraulic accessory graphic modules, and pipeline connector graphic modules are set up.

3. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 2, characterized in that, The configuration of attribute parameters for each graphics module includes: Configure attribute parameters for the user's graphical module, including maximum power requirement parameters, mission profile parameters, and power requirement percentage parameters. Maximum power requirement parameters include the user's maximum flow requirement under rated pressure; mission profile parameters include aircraft mission profile parameters for taxiing, takeoff, climb, cruise, and landing phases; and power requirement percentage parameters include the ratio of power requirement to maximum power requirement under different mission profiles. Configure attribute parameters for the pipeline component graphic module, including pipeline material attribute parameters, pipeline pressure type parameters, and pipeline specification parameters. Pipeline material attribute parameters include titanium alloy material attribute parameters, stainless steel material attribute parameters, and aluminum alloy material attribute parameters; pipeline pressure type parameters include high pressure parameters, oil suction parameters, and oil return parameters; pipeline specification parameters include the selection of different pipe diameter specifications. Configure attribute parameters for the hydraulic accessory graphics module, including accessory classification parameters and flow resistance information parameters. Accessory classification parameters include tank parameters, pump source parameters, and control valve parameters; flow resistance information parameters include accessory flow resistance parameters. Configure attribute parameters for the pipeline connector graphic module to connect various pipeline graphic modules between the hydraulic accessory graphic module and the user graphic module.

4. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 3, characterized in that, The process of establishing the association between each graphics module and the flow resistance analysis statistician includes: Starting with any user graphics module, the flow resistance analyzer, pipeline component graphics module, and pipeline connector graphics module are used to sequentially establish the cross-linking relationship between the user graphics module and the hydraulic accessory graphics module.

5. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 4, characterized in that, The establishment of the cross-linking relationship between the user graphics module and the hydraulic accessory graphics module includes: Step 31: Determine the flow resistance parameter per unit length of the pipe assembly graphic module. One end of the pipe assembly graphic module is connected to the user graphic module, and the other end of the pipe assembly graphic module is connected to the pipe connector graphic module. Step 32: Using the graphic scale, automatically determine the length parameters of the pipeline component graphic module; Step 33: Multiply the unit length flow resistance parameter obtained in step 31 with the length parameter obtained in step 32 to calculate the actual flow resistance of the pipeline. Step 34: Set the flow resistance of the hydraulic accessory graphic module according to the actual flow resistance of the pipeline; Step 35: Based on the pipeline flow parameters under different task profiles, calculate, summarize, and sum the flow resistance of all pipelines from the hydraulic pump accessory module to the user module and the hydraulic accessory graphic module to obtain the flow resistance and value under each task profile. Step 36: Compare the flow resistance and values ​​under each task profile, and output the largest flow resistance and value as the user's voltage drop value.

6. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 5, characterized in that, The calculation of the flow resistance parameter per unit length includes the following steps: Step 311: Connect the piping component graphic module to the user graphic module. The flow resistance analyzer is automatically activated. The flow resistance analyzer extracts the material information of the piping component graphic module, the specification information of the piping component graphic module, the maximum flow rate information of the user graphic module, and the power requirement percentage information of the user graphic module. Step 312: Based on the maximum traffic information using the user graph module and the percentage of power demand information using the user graph module, obtain the traffic demand under each task profile; Step 313: For each task profile, determine the maximum flow rate based on the pressure type parameters of the piping component graphic module, and obtain the piping specifications of the piping component graphic module based on the flow rate requirement and maximum flow rate under that task profile. Step 314: For each task profile, determine the flow resistance parameter per unit length based on the pipe material and pipe specifications of the pipe component graphic module.

7. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 5, characterized in that, The automatic determination of the length parameters of the pipeline component graphic module by combining the graphic scale includes: Step 321: Set the graphic scale; Step 322: Connect the piping component module to the piping connector or accessory piping using the user graphical module; Step 323: Compare the pipe component module with the graphic scale and automatically assign the length to obtain the pipe length parameter of the pipe component graphic module.

8. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 2, characterized in that, The process of connecting the various graphic modules according to the onboard piping layout scheme includes: According to the onboard piping layout plan, connect the piping component graphic module with the hydraulic user graphic module, the hydraulic accessory graphic module, and the graphic modules of each piping connector.

9. The user-defined pressure drop method for graphical adaptive calculation of aircraft hydraulic systems according to claim 6, characterized in that, Based on the aforementioned correlation, the flow resistance analysis statistician automatically calculates the pressure drop values ​​for each hydraulic system user according to the overall plot, including: The pipeline attribute parameters, the maximum flow information of the user graphic module, and the flow resistance of the hydraulic accessory graphic module are set. Based on the above correlation, the flow resistance analysis and statistics unit automatically calculates the pressure drop value of each hydraulic system user.

10. A graphical adaptive calculation method for aircraft hydraulic systems using a user pressure drop system, for implementing the graphical adaptive calculation method for aircraft hydraulic systems using a user pressure drop as described in any one of claims 1-9, characterized in that, The system includes: The graphics module setting module is used to set up multiple graphics modules according to the pressure drop calculation requirements of users of hydraulic systems. These multiple graphics modules include a flow resistance analysis statistician. The attribute parameter configuration module is used to configure attribute parameters for each graphics module; The relationship building module is used to establish the relationship between each graphical module and the flow resistance analysis statistician; The drawing module is used to connect various graphic modules according to the on-board piping layout plan to obtain the overall drawing diagram; The calculation module is used to automatically calculate the pressure drop value of each hydraulic system user according to the overall plot based on the correlation relationship and the flow resistance analysis statistician. The verification module is used to verify the calculated pressure drop value and provide error alerts.

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