A method and device for implementing animation simulation of rotor tilt mechanism of eVTOL 3D aircraft model

Abstract

The present invention proposes a method and device for implementing animation simulation of the rotor tilt mechanism of an eVTOL 3D aircraft model, comprising: using 3D animation rendering and production software to add an animation of the rotor tilt mechanism of the eVTOL 3D aircraft model and exporting the model file and animation effect file, and converting them into the .mdl file required by the Prepar3D visual simulation software; creating an AnimationDriven plug-in in the Prepar3D visual simulation software and establishing a mapping with the rotor tilt mechanism of the eVTOL 3D aircraft model; loading the .mdl file and the AnimationDriven plug-in into the Prepar3D visual simulation software to implement animation simulation of the rotor tilt mechanism. The present invention implements animation simulation of the rotor tilt mechanism in the Prepar3D visual simulation software, significantly improving the realism of the model animation simulation, and has strong portability and low learning cost.

Description

Technical Field

[0001] The present invention belongs to the technical field of flight simulation, and in particular relates to a method and device for implementing animation simulation of a rotor tilt mechanism of an eVTOL 3D aircraft model. Background Art

[0002] The eVTOL (electric vertical take-off and landing) simulator is a simulation device that can simulate eVTOL and the flight environment and can operate in real time. It can be used for pilot training, eVTOL design, development, testing and other purposes.

[0003] The working principle of the eVTOL simulator is to use computer technology and physical equipment to simulate the flight status and flight environment of the eVTOL, allowing the driver to experience operating procedures and visual effects similar to real flight in the simulated cockpit.

[0004] The rotor tilt mechanism is a core component of the eVTOL. In vertical takeoff and landing (VTOL) mode, the mechanism adjusts the rotors to a vertical position. In this state, the rotors, like those of a helicopter, generate lift through high-speed rotation, enabling the aircraft to take off and land vertically and hover. This capability allows the aircraft to take off and land in confined spaces or where runways are unavailable, greatly enhancing its operational flexibility and adaptability. When entering horizontal cruise mode, the rotor tilt mechanism gradually tilts the rotors from a vertical position to a horizontal position. During this process, the direction of lift generated by the rotors gradually shifts from vertical to horizontal, while also generating forward thrust. As the tilt angle increases, the aircraft's flight attitude gradually shifts from vertical to horizontal, ultimately achieving horizontal cruise, similar to a fixed-wing aircraft. In horizontal cruise mode, the aircraft's speed and range are significantly improved compared to helicopters, enabling longer-distance flight. The rotor tilt mechanism enables the eVTOL to flexibly switch between vertical takeoff and landing and horizontal cruise.

[0005] Given the importance of the rotor tilt mechanism, eVTOL simulators need to provide animation simulations of the rotor tilt mechanism's operation and switching in different modes to meet the pilot's need to experience the real operation of the rotor tilt mechanism in the simulated cockpit. Currently, in the field of eVTOL simulator technology, there are some UE-based visual simulation software that implements animation simulation of rotor rotation, such as helicopter rotors, but there is no real animation simulation of the rotor tilt mechanism. In particular, some professional visual software with stronger compatibility and more suitable for flight simulation and training, such as Prepar3D, lack methods for implementing animation simulation of the rotor tilt mechanism. Summary of the Invention

[0006] The present invention proposes a method and device for implementing animation simulation of the rotor tilt mechanism of an eVTOL 3D aircraft model, which realizes the animation simulation of the rotor tilt mechanism in the Prepar3D visual simulation software. By switching to a third perspective in the Prepar3D visual simulation software, the animation simulation process of the rotor tilt mechanism can be viewed, which significantly improves the realism of the animation simulation of the eVTOL 3D aircraft model in the eVTOL simulator, and has strong portability and low learning cost.

[0007] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0008] A method for implementing animation simulation of a rotor tilt mechanism of an eVTOL 3D aircraft model, comprising:

[0009] S1. Use 3D animation rendering and production software to add the rotor tilt mechanism animation of the eVTOL 3D aircraft model and export the model file and animation effect file;

[0010] S2. Convert the file exported in step S1 into the .mdl file required by the Prepar3D visual simulation software using a model conversion tool;

[0011] S3. Create an AnimationDriven plug-in in the Prepar3D visual simulation software and establish a mapping with the rotor tilt mechanism of the eVTOL3D aircraft model;

[0012] S4. Load the .mdl file described in step S2 and the AnimationDriven plug-in described in step S3 into the Prepar3D visual simulation software to realize animation simulation of the rotor tilt mechanism.

[0013] Furthermore, the method of adding the rotor tilt mechanism animation of the eVTOL 3D aircraft model in step S1 includes:

[0014] S101, setting the length of the animation timeline;

[0015] S102. Select the rotor object of the eVTOL 3D aircraft model and add an animation that rotates 360 degrees along the Y axis.

[0016] S103, linking the rotor object and the tilt mechanism object of the eVTOL 3D aircraft model as a child object and a parent object;

[0017] S104 , selecting the tilt mechanism object, and adding an animation of rotating 90 degrees along the Z axis to realize the rotor tilt mechanism animation.

[0018] Furthermore, it also includes:

[0019] S105, binding the animation of the rotor tilt mechanism to an alias recognized by the Prepar3D visual simulation software; the binding method includes: building a 3ds Max environment with a Prepar3D plug-in; selecting the rotor tilt mechanism object, selecting "Prepar3D Tools", and performing alias binding.

[0020] Furthermore, in step S2, the file exported in step S1 is input through the ModelConverterX model conversion tool to output a .mdl file.

[0021] Furthermore, the method for creating the AnimationDriven plug-in in step S3 includes:

[0022] S301. Create a class for receiving the rotor tilt mechanism model offset sent by the flight control software of the eVTOL 3D aircraft model and for driving the rotor tilt mechanism animation;

[0023] S302, setting a receiving function in the class to receive in real time the model offset of the rotor tilt mechanism sent by the flight control software;

[0024] S303, setting a variable in the class to store the model offset of the rotor tilt mechanism received by the receiving function;

[0025] S304: Setting a function in the class to set the value of the alias corresponding to the rotor tilt mechanism object in real time according to the value of the variable, and updating the position change of the rotor tilt mechanism.

[0026] On the other hand, the present invention also provides an eVTOL 3D aircraft model rotor tilt mechanism animation simulation implementation device, comprising:

[0027] 3D file module: Use 3D animation rendering and production software to add rotor tilt mechanism animation to the eVTOL 3D aircraft model and export model files and animation effect files;

[0028] Conversion module: Use the model conversion tool to convert the files exported by the 3D file module into the .mdl files required by the Prepar3D visual simulation software;

[0029] Plug-in module: Create an AnimationDriven plug-in in the Prepar3D visual simulation software and map it to the rotor tilt mechanism of the eVTOL3D aircraft model;

[0030] Loading module: Load the .mdl file described in the conversion module and the AnimationDriven plug-in described in the plug-in module into the Prepar3D visual simulation software to realize the animation simulation of the rotor tilt mechanism.

[0031] Furthermore, the 3D file module includes an animation adding unit, which includes: setting the animation timeline length; selecting the rotor object of the eVTOL3D aircraft model, and adding an animation of rotating 360 degrees along the Y axis; linking the rotor object and the tilt mechanism object of the eVTOL3D aircraft model as a child object and a parent object; selecting the tilt mechanism object, and adding an animation of rotating 90 degrees along the Z axis to realize the rotor tilt mechanism animation.

[0032] Furthermore, the animation adding unit further includes:

[0033] Bind the animation of the rotor tilt mechanism to an alias recognized by the Prepar3D visual simulation software; this includes: setting up a 3ds Max environment with the Prepar3D plug-in; selecting the rotor tilt mechanism object, selecting "Prepar3D Tools", and binding the alias.

[0034] Furthermore, the conversion module uses the ModelConverterX model conversion tool to input the file exported by the 3D file module and output an .mdl file.

[0035] Furthermore, the plug-in module includes: creating a class for receiving the rotor tilt mechanism model offset sent by the flight control software of the eVTOL3D aircraft model and for driving the rotor tilt mechanism animation; setting a receiving function in the class to receive the model offset of the rotor tilt mechanism sent by the flight control software in real time; setting a variable in the class to store the model offset of the rotor tilt mechanism received by the receiving function; setting a function in the class to set the value of the alias corresponding to the rotor tilt mechanism object in real time according to the value of the variable, and update the position change of the rotor tilt mechanism.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] The present invention implements animated simulation of the rotor tilt mechanism of an eVTOL 3D aircraft model in the Prepar3D visual simulation software. By switching to a third-person perspective in the Prepar3D visual simulation software, the animation simulation process of the rotor tilt mechanism can be viewed, which significantly improves the realism of the eVTOL simulation and allows a better experience of the performance of the rotor tilt mechanism.

[0038] Since this invention uses the industry's mainstream Prepar3D visual simulation software to realize the animation simulation of the rotor tilt mechanism, it is compatible with most existing flight control programs and eVTOL simulators, has strong portability, low learning cost, has huge community support, and is also convenient for other developers to maintain and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1This is a schematic diagram of the method flow of Example 1 of the present invention;

[0040] Figure 2 This is a schematic diagram of the method flow of step 1 in Example 1 of the present invention;

[0041] Figure 3 This is a schematic diagram of the working process of the plug-in for implementing animation simulation in Example 1 of the present invention. DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0043] The design concept of this invention is to create an animation of the rotor tilt mechanism of the eVTOL 3D aircraft model through three-dimensional software, then receive data from the flight control software through a plug-in, and control the animation of the rotor tilt mechanism according to the data, thereby realizing animation simulation of the rotor tilt mechanism.

[0044] Based on the above design concept, further description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0045] Example 1:

[0046] In this embodiment, the method for implementing the animation simulation of the rotor tilt mechanism of the eVTOL 3D aircraft model in the Prepar3D visual simulation software is as follows: Figure 1 As shown, including:

[0047] Step 1: Use 3D animation rendering and production software to add the rotor tilt mechanism animation of the eVTOL 3D aircraft model and export the model file and animation effect file;

[0048] In this example, the rotor tilt mechanism animation of the eVTOL 3D aircraft model is produced using 3ds Max modeling, rendering and production software. First, the eVTOL 3D aircraft model with the rotor tilt mechanism is imported into 3ds Max. Then, the rotor tilt mechanism animation is added in 3ds Max software and exported. The .X and .xanim files are automatically generated. The specific process is as follows: Figure 2 As shown, including:

[0049] Step 1.1: Add rotor tilt mechanism animation;

[0050] In the 3ds Max software, first select the "Time Configuration" button to set the animation timeline length to 360, then select the rotor object of the eVTOL3D aircraft model, add an animation that rotates 360 degrees along the Y axis, then select the "Select and Link" button (by linking the two objects as child objects and parent objects, you can define the hierarchical relationship between them), and drag the rotor object of the eVTOL3D aircraft model to the tilt mechanism object. In this way, the rotor object has been linked to the tilt mechanism object, and the two objects are linked as child objects and parent objects, with the tilt mechanism object as the parent object and the rotor object as the child object; select the tilt mechanism object of the eVTOL3D aircraft model, and add an animation that rotates 90 degrees along the Z axis. The rotor object will rotate with the tilt mechanism object. In this way, the rotor tilt mechanism is constructed in 3ds Max and the animation effect of the rotor tilt mechanism is achieved.

[0051] In order to implement animation simulation of the rotor tilt mechanism in the Prepar3D visual simulation software, it is also necessary to bind the rotor tilt mechanism to an alias. The alias binding process includes:

[0052] Step 1.1.1: In 3ds Max, select "Customize (U)" from the menu bar, then select "Configure User and System Paths (C)." In the dialog box that pops up, select "Third-Party Plug-ins." Select "Add." In the pop-up folder, select the Plugins folder under the Prepar3D installation directory. Click "OK" to add the plug-in. Restart 3ds Max. Two buttons, "Prepar3D Tools" and "Prepar3D Documentation," will appear in the menu bar, completing the setup of the 3ds Max environment with the Prepar3D plug-in.

[0053] Step 1.1.2: In 3ds Max, select the rotor tilt mechanism object, select the "Prepar3D Tools" button, select the "Animation Manager" button in the pop-up list, the "Animation Manager" dialog box pops up, select "TiltingMechanism" in the "Animation List" list, and click the "Create" button to complete the binding of the rotor tilt mechanism animation. The rotor tilt mechanism is aliased as TiltingMechanism, which is the name recognized by the Prepar3D visual simulation software.

[0054] Step 1.2: Export .X and .xanim files;

[0055] In 3ds Max, select "File" -> "Export" -> "Export (I)...", in the pop-up "Select File to Export" dialog box, select the save type as "Prepar3D v5 DirectX File (*.x)", click the "Save" button, and the "Prepar3D v5 Model Export Option" dialog box will pop up. In this dialog box, select "Export Prepar3D v5 Material" and "Export Animations" by default, and click the "OK" button to complete the export of .X and .xanim files.

[0056] Step 2: Use the model conversion tool to convert the exported file into the .mdl file required by the Prepar3D visual simulation software;

[0057] In this embodiment, the model conversion tool selects ModelConverterX software, clicks the "Import" button in the ModelConverterX software, selects the .X file in the pop-up dialog box, completes the loading, and the .xanim file is automatically loaded. Then click the "Export object" button, select the save file type as "P3D v4.4MDL object (*.mdl)" in the pop-up dialog box, and export the .mdl file required by the Prepar3D visual simulation software.

[0058] Step 3: Create an AnimationDriven plug-in in the Prepar3D visual simulation software and map it to the rotor tilt mechanism of the eVTOL3D aircraft model.

[0059] The purpose of this step is to map the rotor tilt mechanism offset with the rotor tilt mechanism of the eVTOL3D aircraft model through the AnimationDriven plug-in of the Prepar3D visual simulation software that can receive the rotor tilt mechanism offset, so as to achieve the rotor tilt mechanism animation simulation effect.

[0060] The specific process includes: creating a new plug-in in the Prepar3D visual simulation software and naming it AnimationDriven. In the AnimationDriven plug-in, define the following variables and functions:

[0061] eVTOL Animation: The plugin defines a class that receives rotor tilt mechanism model offsets from the eVTOL3D aircraft model's flight control software and drives the rotor tilt mechanism animation simulation in the Prepar3D visual simulation software.

[0062] TiltingMechanism Input: Define a FLOAT variable in the class to store the model offset of the rotor tilting mechanism sent by the flight control software;

[0063] GetTiltingMechanism Processing: Define a receiving function in the class to receive the rotor tilt mechanism model offset sent by the flight control software in real time through a communication protocol such as UDP or TCP, and store the offset in the TiltingMechanism Input variable;

[0064] SetPitch Processing: Defines a function in the class that sets the value of the TiltingMechanism alias bound to the rotor tilt mechanism in real time based on the value of the TiltingMechanism Input variable. This achieves the purpose of updating the position change of the rotor tilt mechanism of the eVTOL3D aircraft model. After continuity, the animation effect is simulated.

[0065] Step 4: Load the .mdl file described in Step 2 and the AnimationDriven plug-in described in Step 3 into the Prepar3D visual simulation software to implement animation simulation of the rotor tilt mechanism.

[0066] The loading process specifically includes:

[0067] Step 4.1: Copy the AnimationDriven plug-in to the %USERPROFILE%\Documents\Prepar3D v5 Add-on folder of the Prepar3D visual simulation software;

[0068] Step 4.2: Copy the .mdl file to the %USERPROFILE%\Documents\Prepar3D v5 Add-on\AnimationDriven\SimObjects\eVTOL\model folder of the Prepar3D visual simulation software. At the same time, modify the content of model.cfg in this folder to normal=.mdl. This completes all loading operations.

[0069] The following is the working process of implementing animation simulation through the AnimationDriven plug-in in this embodiment. Figure 3 As shown, the process is as follows:

[0070] After the Prepar3D visual simulation software loads the .mdl file and the AnimationDriven plug-in, the AnimationDriven plug-in is initialized and the value of the TiltingMechanism Input variable is set to 0.

[0071] After the pilot begins operating the eVTOL3D aircraft model in the simulated cockpit, the AnimationDriven plug-in uses the GetTiltingMechanismProcessing function to receive and process the rotor tilt mechanism model offset sent by the eVTOL3D aircraft model's flight control software in real time, storing it in the TiltingMechanism Input variable. It then calls the SetPitchProcessing function to update the rotor tilt mechanism position of the eVTOL3D aircraft model in the .mdl file with the value of the TiltingMechanism Input variable. By continuously calling the GetTiltingMechanismProcessing and SetPitchProcessing functions, the eVTOL3D aircraft model's rotor tilt mechanism animation simulation is implemented in the Prepar3D visual simulation software.

[0072] The above method realizes the animation simulation effect of the rotor tilt mechanism in the 3D model of the eVTOL aircraft. By switching to the third perspective in the Prepar3D visual simulation software, the animation simulation process of the rotor tilt mechanism can be viewed, which significantly improves the realism of the animation simulation of the eVTOL aircraft 3D model in the eVTOL simulator.

[0073] The above method has been proven in practice to be a general method suitable for animation simulation of other mechanisms in the eVTOL aircraft 3D model, such as rudders, elevators, ailerons, doors, and lift propellers.

[0074] Practice has also proven that the above method can also be used as a method for implementing animation simulation of the joystick, throttle lever, foot pedal, etc. in a 3D cockpit.

[0075] In addition, practice has proven that the above method can also be used as a method for animation simulation of other aircraft mechanisms, such as helicopter rotors, helicopter cabin doors, fixed-wing aircraft flaps and slats, fixed-wing aircraft cabin doors, etc.

[0076] Example 2:

[0077] This embodiment provides a device for implementing animation simulation of a rotor tilt mechanism of an eVTOL 3D aircraft model, including:

[0078] 3D file module: Use 3D animation rendering and production software to add rotor tilt mechanism animation to the eVTOL 3D aircraft model and export model files and animation effect files;

[0079] Conversion module: Use the model conversion tool to convert the files exported by the 3D file module into the .mdl files required by the Prepar3D visual simulation software;

[0080] Plug-in module: Create an AnimationDriven plug-in in the Prepar3D visual simulation software and map it to the rotor tilt mechanism of the eVTOL3D aircraft model;

[0081] Loading module: Load the .mdl file described in the conversion module and the AnimationDriven plug-in described in the plug-in module into the Prepar3D visual simulation software to realize the animation simulation of the rotor tilt mechanism.

[0082] Among them, the 3D file module includes an animation adding unit, which includes: setting the animation timeline length; selecting the rotor object of the eVTOL3D aircraft model and adding an animation of rotating 360 degrees along the Y axis; linking the rotor object and the tilt mechanism object of the eVTOL3D aircraft model as a child object and a parent object; selecting the tilt mechanism object and adding an animation of rotating 90 degrees along the Z axis to realize the rotor tilt mechanism animation.

[0083] The animation adding unit also includes:

[0084] Bind the animation of the rotor tilt mechanism to an alias recognized by the Prepar3D visual simulation software; this includes: setting up a 3ds Max environment with the Prepar3D plug-in; selecting the rotor tilt mechanism object, selecting "Prepar3D Tools", and binding the alias.

[0085] In the conversion module, the ModelConverterX model conversion tool is used to input the file exported by the 3D file module and output the .mdl file.

[0086] The plug-in module includes: creating a class for receiving the rotor tilt mechanism model offset sent by the flight control software of the eVTOL3D aircraft model and for driving the rotor tilt mechanism animation; setting a receiving function in the class to receive the rotor tilt mechanism model offset sent by the flight control software in real time; setting a variable in the class to store the rotor tilt mechanism model offset received by the receiving function; setting a function in the class to set the value of the alias corresponding to the rotor tilt mechanism object in real time according to the value of the variable, and updating the position change of the rotor tilt mechanism.

[0087] The eVTOL 3D aircraft model rotor tilt mechanism animation simulation implementation device proposed in this embodiment 2 can be used to implement the eVTOL 3D aircraft model rotor tilt mechanism animation simulation implementation method proposed in embodiment 1, and has the same technical effect as embodiment 1.

[0088] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for implementing animation simulation of a rotor tilt mechanism of an eVTOL 3D aircraft model, characterized in that: include: S1. Use 3D animation rendering and production software to add the rotor tilt mechanism animation of the eVTOL 3D aircraft model and export the model file and animation effect file; S2. Convert the file exported in step S1 into the .mdl file required by the Prepar3D visual simulation software using a model conversion tool; S3. Create an AnimationDriven plug-in in the Prepar3D visual simulation software and establish a mapping with the rotor tilt mechanism of the eVTOL3D aircraft model; S4, loading the .mdl file described in step S2 and the AnimationDriven plug-in described in step S3 into the Prepar3D visual simulation software to realize animation simulation of the rotor tilt mechanism; The method for creating the AnimationDriven plug-in in step S3 includes: S301. Create a class for receiving the rotor tilt mechanism model offset sent by the flight control software of the eVTOL 3D aircraft model and for driving the rotor tilt mechanism animation; S302, setting a receiving function in the class to receive in real time the model offset of the rotor tilt mechanism sent by the flight control software; S303, setting a variable in the class to store the model offset of the rotor tilt mechanism received by the receiving function; S304: Setting a function in the class to set the value of the alias corresponding to the rotor tilt mechanism object in real time according to the value of the variable, and updating the position change of the rotor tilt mechanism.

2. The method for implementing animation simulation of the rotor tilt mechanism of an eVTOL 3D aircraft model according to claim 1, characterized in that: The method for adding the rotor tilt mechanism animation of the eVTOL 3D aircraft model in step S1 includes: S101, setting the length of the animation timeline; S102. Select the rotor object of the eVTOL 3D aircraft model and add an animation that rotates 360 degrees along the Y axis. S103, linking the rotor object and the tilt mechanism object of the eVTOL 3D aircraft model as a child object and a parent object; S104 , selecting the tilt mechanism object, and adding an animation of rotating 90 degrees along the Z axis to realize the rotor tilt mechanism animation.

3. The method for implementing animation simulation of the rotor tilt mechanism of an eVTOL 3D aircraft model according to claim 2, characterized in that: Also includes: S105, binding the animation of the rotor tilt mechanism to an alias recognized by the Prepar3D visual simulation software; The binding method includes: building a 3ds max environment with the Prepar3D plug-in; Select the rotor tilt mechanism object, choose "Prepar3D Tools", and bind the alias.

4. The method for implementing animation simulation of the rotor tilt mechanism of an eVTOL 3D aircraft model according to claim 1, characterized in that: In step S2, the file exported in step S1 is input through the ModelConverterX model conversion tool to output a .mdl file.

5. An eVTOL 3D aircraft model rotor tilt mechanism animation simulation implementation device, characterized in that: include: 3D file module: Use 3D animation rendering and production software to add rotor tilt mechanism animation to the eVTOL 3D aircraft model and export model files and animation effect files; Conversion module: Use the model conversion tool to convert the files exported by the 3D file module into the .mdl files required by the Prepar3D visual simulation software; Plug-in module: Create an AnimationDriven plug-in in the Prepar3D visual simulation software and map it to the rotor tilt mechanism of the eVTOL3D aircraft model; Loading module: Loading the .mdl file of the conversion module and the AnimationDriven plug-in of the plug-in module into the Prepar3D visual simulation software to realize the animation simulation of the rotor tilt mechanism; The plug-in module includes: creating a class for receiving the rotor tilt mechanism model offset sent by the flight control software of the eVTOL3D aircraft model and for driving the rotor tilt mechanism animation; setting a receiving function in the class to receive the rotor tilt mechanism model offset sent by the flight control software in real time; setting a variable in the class to store the rotor tilt mechanism model offset received by the receiving function; setting a function in the class to set the value of the alias corresponding to the rotor tilt mechanism object in real time according to the value of the variable, and updating the position change of the rotor tilt mechanism.

6. The device for realizing animation simulation of rotor tilt mechanism of eVTOL 3D aircraft model according to claim 5, characterized in that: The 3D file module includes an animation adding unit, which includes: setting the animation timeline length; selecting the rotor object of the eVTOL3D aircraft model and adding an animation of rotating 360 degrees along the Y axis; linking the rotor object and the tilt mechanism object of the eVTOL3D aircraft model as a child object and a parent object; selecting the tilt mechanism object and adding an animation of rotating 90 degrees along the Z axis to realize the rotor tilt mechanism animation.

7. The device for realizing animation simulation of rotor tilt mechanism of eVTOL 3D aircraft model according to claim 6, characterized in that: The animation adding unit also includes: Bind the tilt rotor animation to an alias recognized by the Prepar3D visual simulation software. This includes: setting up a 3ds Max environment with the Prepar3D plug-in; selecting the tilt rotor object, choosing "Prepar3D Tools," and binding the alias.

8. According to the claim 5 The device for realizing animation simulation of rotor tilt mechanism of eVTOL 3D aircraft model is characterized in that: In the conversion module, the ModelConverterX model conversion tool is used to input the file exported by the 3D file module and output the .mdl file.

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