54 results about "3d simulation" patented technology

The invention relates to the technical field of unmanned aerial vehicle logistics and path planning, in particular to an improved grey wolf optimization method for unmanned aerial vehicle logistics distribution planning. The method comprises the following steps: firstly, constructing a three-dimensional simulation environment containing an obstacle and setting a path constraint condition; a comprehensive objective function is established, and four sub-objectives of path length, collision penalty, smooth penalty and height violation penalty are integrated through weighted summation; in the algorithm level, Kent chaotic mapping is adopted to generate an initial population to improve diversity, control parameters are changed into a nonlinear adaptive updating strategy to balance global exploration and local development, and a particle swarm optimization algorithm idea is fused to introduce an adaptive inertia coefficient and a dynamic weight coefficient to improve a grey wolf position updating rule; and finally, performing iterative optimization through an improved hybrid algorithm, and outputting an optimal path. The method can effectively improve the quality and efficiency of path planning, and enables the generated path to be economical, safe and smooth.

This invention discloses a PCB characteristic impedance simulation optimization method and system based on 3D modeling, relating to the field of high-speed intelligent circuit technology. The method involves acquiring measured material parameters and process deviations of the PCB to generate twin parameter vectors; constructing a local 3D subdomain model; concatenating the local 3D subdomain model with the manufacturing twin dataset to obtain multi-dimensional physical feature vectors, which are then processed to obtain a sequence of key influencing factors; processing the key influencing factor sequence using an impedance prediction proxy model to obtain the time-domain reflection impedance curve and the corresponding coordinates of 3D spatial impedance abrupt change points; adjusting the coordinates of the 3D spatial impedance abrupt change points based on an impedance reshaping strategy to obtain optimal 3D compensation parameters; reconstructing the 3D simulation model using the optimal 3D compensation parameters to obtain updated PCB manufacturing data; and outputting impedance control parameters through a target verification rule engine to accurately locate the coordinates of impedance abrupt change points in 3D space, thereby improving design efficiency and quality.

This invention relates to the field of automotive braking technology, and specifically to a method for analyzing braking noise in an automotive braking system. The method comprises the following steps: S1: Obtaining the rotational stiffness of the brake pads during braking; S2: Establishing a 1D model of the automotive braking system based on the rotational stiffness of the brake pads to obtain the relative angular velocity between the brake disc and brake pads during the complete braking process; S3: Dividing the relative angular velocity interval between the brake disc and brake pads during the complete braking process into n equal intervals; S4: Establishing a 3D analysis model of the automotive braking system's braking noise based on the stick-slip effect between the brake disc and brake pads, based on the interval division of the relative angular velocity; S5: Obtaining the results of the braking noise analysis of the automotive braking system based on the stick-slip effect between the brake disc and brake pads during the complete braking process; S6: Verifying and correcting the 1D model of the automotive braking system and the 3D simulation analysis model of the automotive braking system's braking noise based on actual experimental results.

The invention relates to a weather scene image generation method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a first weather scene image corresponding to a first weather type; preprocessing the first weather scene image to obtain a weather scene image to be converted; inputting the to-be-converted weather scene image into an image conversion prediction model for weather type conversion prediction processing to obtain a target prediction scene image corresponding to a second weather type; and performing image adjustment processing on the target prediction scene image to obtain a second weather scene image. According to the technical scheme provided by the invention, the prediction error can be reduced, the stability and accuracy of the image conversion prediction model can be improved, the reality sense and visual quality of the weather scene image can be improved, a complex 3D simulation environment does not need to be constructed, and the deployment and maintenance cost is reduced.

This application relates to the field of rail transit technology, and in particular to a software and hardware development method and system for an inspection robot. The method includes: based on user-inputted task scenario requirements, calling multiple 3D hardware models from a physical modular hardware library to obtain a 3D simulation robot corresponding to the task requirements; based on the 3D simulation robot, the task scenario requirements, and the physical attributes of each 3D hardware model in the 3D simulation robot, calling multiple standard functional nodes from a pre-established node library to construct a task logic flowchart; and based on the task logic flowchart, performing operational simulation and logic verification on the 3D simulation robot to obtain a task execution strategy; and based on the task execution strategy, compiling and packaging the task logic flowchart to obtain executable code for the user to drive the physical robot to perform operations. This significantly improves the development efficiency of inspection robots while lowering the development threshold.

This invention relates to the field of sewing machine control technology and discloses a sewing machine energy-saving operation control and power consumption optimization system, comprising: a data acquisition module, which includes power consumption sensors, operating status sensors, and fabric parameter acquisition components associated with the sewing machine, all installed in each working unit of the sewing machine. The fabric parameter acquisition components establish data interaction with the Style3D cloud fabric database. In this invention, the system relies on precise parameters such as fabric material, thickness, and elastic modulus obtained from the Style3D cloud fabric database, combined with a power consumption optimization model trained by 3D simulation, to output appropriate driving power, speed, and other operating parameters for different fabric characteristics, effectively reducing equipment operating energy consumption. Simultaneously, temperature and humidity data collected by environmental sensors can achieve parameter compensation and adjustment, preventing high-temperature overload energy consumption. Actual verification shows that it can reduce the overall power consumption of a single machine by 15%-25%, significantly reducing energy costs at the production end.

This invention belongs to the field of 3D simulation training technology and provides a lightweight modeling and real-time rendering 3D simulation training system. It includes a lightweight modeling module that optimizes 3D models to generate a lightweight model library that supports dynamic adjustment of detail levels; a real-time rendering and interaction module that uses a Unity3D or WebGL engine and dynamically adjusts the model detail levels based on LOD technology according to view distance; a multimodal training and assessment module that integrates question bank management, dynamic question loading, and automatic scoring functions; and a permission management and data security module that implements role-based permission isolation and uses the AES-128 algorithm to encrypt and protect data. This invention effectively eliminates the risk of unauthorized operations and data leakage in a single-machine environment through local role-based permission verification and multi-level database encryption mechanisms, ensuring system security in offline training scenarios. Compared to the plaintext storage and weak permission control of existing technologies, this invention significantly enhances the system's security capabilities.

The invention discloses a method for automatically generating a three-dimensional simulation wire harness standard production based on a wiring relation, and relates to the technical field of wire harness three-dimensional space simulation length and wire harness production, and the method comprises the steps: S1, drawing an electrical cabinet three-dimensional model according to electrical elements in an electrical cabinet; s2, placing the electrical element in the three-dimensional model of the electrical cabinet, and inputting wiring point character attribute data of the electrical element; s3, drawing a wiring harness path diagram with public target positioning according to the three-dimensional model of the electrical cabinet, the wiring point character attribute data of the electrical element and the public point character data; s4, automatically generating a three-dimensional wire harness with a bundling space distribution position based on an electrical wiring table and the obtained wire harness path diagram; and S5, according to the obtained three-dimensional wiring harness path model, each wiring harness is exported into a corresponding sequence lower line table according to a bundling space position sequence, and inflection point positions of each wiring harness form data to be output to the lower line table.

The invention relates to the technical field of filling mining processes, in particular to a method for reserving a stope dado frame column under the two-side heterogeneous filling condition, which comprises the following steps of: (1) investigating the strength of filling bodies: drilling and coring the filling bodies on the two sides of a panel ore pillar, and testing the strength distribution rule along the trend and the longitudinal direction; (2) self-supporting height calculation: calculating the self-supporting height of the filling body based on the South African formula and the empirical formula of the limit equilibrium theory, and taking the minimum calculation value as the final self-supporting height; and (3) blasting disturbance simulation: simulating the weakening effect of different dado thicknesses on blasting disturbance through LS-DYNA software, and determining the minimum dado thickness of the filling body without disturbance influence. According to LS-DYNA software, simulation determination is conducted on the retaining wall reserved thickness under the condition that the filling body is not subjected to blasting disturbance, the self-standing height of the filling body is compared with the self height of the filling body, and the retaining wall reserved thickness under the stable state of the filling body is determined through FLAC 3D simulation.

To provide a system which enables a user to confirm concrete exterior design in real time and generate an optimum plan while making necessary corrections.SOLUTION: The method includes a means for inputting a desire of an exterior structure by a user, a means for analyzing input data from the user by a server, a means for generating a 3D simulation image based on the analyzed data by the server, a means for displaying the simulation image and detailed information on a user terminal by the server, a means for requesting a change of the simulation result by the user, a means for receiving the change request by the server and updating the design data, and a means for generating a proposal to a construction company based on the final design data and transmitting the proposal by the server.SELECTED DRAWING: Figure 1

This invention discloses a method and system for dynamic motion simulation of scraper conveyor chains based on 3D modeling, belonging to the field of digital simulation technology for industrial equipment. The method includes acquiring a 3D model of the basic components of the scraper conveyor, reading the vertex coordinates of an auxiliary motion trajectory model, and generating a motion trajectory curve; parameterizing the arc length of the motion trajectory curve to generate uniform motion control parameters; generating chain instances based on a preset chain repetition number, and binding the chain instances to the motion trajectory curve; receiving chain motion state parameters, and driving the chain instances to displace along the motion trajectory curve according to the uniform motion control parameters, dynamically adjusting the motion simulation effect. Compared with traditional implementation methods, the method of this invention effectively solves the performance bottleneck problem, reduces resource consumption, and has certain guiding significance for equipment fault diagnosis and predictive maintenance. It provides a practical approach for 3D simulation of industrial equipment and is a key technology for the digital and intelligent transformation of the industrial field.

This invention belongs to the field of simulation modeling technology, and particularly relates to a power equipment fault simulation analysis modeling system. It includes at least an interaction layer, a logic processing layer, and a data management layer. The interaction layer includes model editing interaction components, simulation interaction components, and interaction control components. The logic processing layer includes modeling processing components, simulation parameter editing components, and import / export components. The data management layer includes a power equipment model database and a power equipment fault database. This application is intended for power equipment simulation teaching, fault analysis, and other purposes, meeting the application needs of teaching, experimentation, verification analysis, and other fields. Its main purpose is to provide a solution based on current simulation platforms that better achieves compatibility with various 3D simulation modeling software and simulation analysis data platforms, simplifies the power equipment fault simulation system, and enables better application in teaching analysis.

The invention provides an unmanned aerial vehicle nest position planning method and system based on a communication iron tower and a medium, and relates to the field of unmanned aerial vehicles, in the method, existing infrastructure resources are integrated by constructing a comprehensive database, site selection planning is carried out based on multi-objective optimization and an adaptive genetic algorithm, and dynamic adjustment and optimization are carried out in combination with three-dimensional simulation verification. According to the method, system integration and optimal utilization of urban infrastructure resources are realized, the nest deployment cost is reduced, and the scientificity and feasibility of a site selection scheme are improved; meanwhile, through multi-objective optimization and simulation verification, the coverage efficiency and the operation reliability of the unmanned aerial vehicle nest network are ensured, and reliable infrastructure support is provided for urban unmanned aerial vehicle application.

The invention relates to the technical field of electricity utilization inspection, in particular to an electricity utilization inspection hidden danger detection method based on intelligent image recognition and three-dimensional simulation. According to the technical scheme, the power utilization inspection hidden danger detection method based on intelligent image recognition and three-dimensional simulation comprises the following steps that S1, image data and environment parameter data of power field equipment are collected through a mobile terminal provided with a multispectral imaging module, and a multi-modal input set is formed; wherein the multispectral imaging module synchronously collects visible light, infrared thermal imaging and ultraviolet corona discharge data, and obtains temperature, humidity and noise level parameters in combination with an environment sensor; s2, carrying out adaptive preprocessing on the collected data, wherein the adaptive preprocessing comprises data cleaning, feature extraction and quality evaluation; the data quality is effectively improved through multispectral synchronous acquisition and self-adaptive preprocessing, so that the hidden danger detection accuracy is remarkably improved; and secondly, the intelligent identification model enhances the capability of capturing tiny defects, and the risk of missing detection is greatly reduced.

We provide the system. [Solution] A computer processing means for collecting user characteristic data and analyzing the user's personality characteristics, A generation engine means that generates specific driving situations based on the aforementioned personality characteristics and creates 3D simulation images, An interface device means that provides 3D simulations to the user and collects the user's driving information in real time, An evaluation unit means that analyzes collected driving information and generates specific driving improvement advice for the user, A training planning module means for customizing the next training situation based on the evaluation results, A system that includes this.

The invention provides a shield / TBM visual editing automatic evaluation system and method, the system comprises a main analog machine and at least one sub analog machine, the main analog machine and the sub analog machine are respectively provided with an evaluation system, and the evaluation system judges the operation process of the analog system according to a set algorithm and outputs an evaluation result; custom examination question design and automatic scoring of simulation operation are realized; the input end of the evaluation system of the main analog machine is connected with the OPC server, the output end of the evaluation system of the main analog machine is connected with the 3D analog unit, the OPC server is connected with the analog data processing unit and the PLC control unit, signals are input to the PLC control unit, and the PLC control unit carries out operation according to program logic and sends a processing result to the OPC server; the analog data processing unit reads operational data of the PLC control unit and calculates data of actions of the 3D analog unit; and the 3D simulation unit reads the data read and calculated by the simulation data processing unit and performs adjustment according to the numerical value.

The application discloses a mine underground personnel safety system applying digital twinning and augmented reality technology, which comprises a server, a 3D virtual scene, a plurality of digital twinning bodies, and a data acquisition device and an augmented reality display terminal which are respectively in communication connection with the server; the plurality of digital twinning bodies are respectively in bidirectional communication connection with a plurality of physical entities; the augmented reality display terminal comprises a display screen, a 3D simulation scene and a 2D simulation scene which are mapped on the display screen, and a 3D range adjusting module for controlling the mapping range of the 3D simulation scene and a 2D range adjusting module for controlling the mapping range of the 2D simulation scene. Through the above mode, the three-dimensional model of the current environment is synchronously transmitted to the underground operation personnel by using the digital twinning technology and the augmented reality technology, a two-dimensional model is constructed according to the three-dimensional model, the surrounding environment information is acquired in a more simple mode, the range of the visual scene can be adjusted and presented according to the corresponding proportion, and the information of a farther place can be conveniently viewed.

The invention discloses a data fusion driven turbine blade global mechanical property inversion method, which belongs to the field of material science and technology and calculation, and constructs a layered correction data system: high-temperature nanoindentation experiment data is the highest fidelity reference, 3D finite element simulation is high fidelity, and 2D finite element simulation is low fidelity. The elastic-plastic training parameter range is set as follows: the hardening index is 0.1-0.3, the elastic modulus is 100-230 GPa, and the yield stress is 500-1400 MPa. A cascading correction strategy is adopted, a 3D simulation result is corrected through high-temperature experimental data, the precision of low-fidelity 2D data is improved through corrected high-fidelity 3D data, data fusion is achieved through residual feature learning, and the optimal ratio of 2D simulation data to 3D simulation data is determined under the condition of the minimum loss value. The mechanical properties of different parts of the turbine blade have differences, the method provides a new direction for characterization of the global mechanical properties of the turbine blade, and the accuracy and calculation efficiency of nanoindentation mechanical property inversion are improved through efficient data fusion and proportion optimization.

The invention discloses an incremental joint space master-slave mapping method oriented to imitation learning and a three-dimensional simulation teaching system. The system is composed of a master end mechanical arm, a slave end simulation mechanical arm, a master-slave mapping module, a control execution module and a data acquisition module. The master-end mechanical arm obtains action information of an operator through a joint angle sensor, the system calculates the joint angle variation at adjacent moments, joint space incremental mapping is achieved through a master-slave mapping matrix, and the slave-end simulation mechanical arm is driven to complete synchronous action. In order to improve motion smoothness and control stability, the system adopts a low-pass filtering and null-space attitude compensation strategy, and singularity and instability caused by inverse Cartesian solution are avoided. In combination with a AppeliaSim simulation platform and an RLBench simulation platform, the system can synchronously collect multi-modal data such as visual images, joint tracks and tail end postures, and a data set which can be directly used for simulating learning algorithm training is generated.

An organ deformation estimation device includes a 3D model acquisition unit configured to acquire a 3D model generated based on a 3D image of an organ captured in advance at a time before a treatment is performed and showing a shape of the organ, a captured image acquisition unit configured to acquire a captured image in which an interior of the organ is captured in a course of the treatment, a partial image extraction unit configured to extract a partial image from the 3D image, a registration unit configured to perform registration between the captured image and the partial image, a target position calculation unit configured to calculate a target position based on a result of the registration, and a displacement estimation unit configured to estimate deformation of the organ in the course of the treatment by deforming the 3D model based on a 3D simulation so as to displace a position of the part that corresponds to the interior among parts constituting the 3D model to the target position.

This application provides a no-code programming method, system, and medium for robots based on event-driven and asset graphs. The method includes: importing physical asset models into a 3D simulation environment; assigning predefined functional labels to each physical asset model; generating basic motion events for non-robot assets based on functional labels and configuration parameters; generating composite events for robot assets based on process types and key work points defined in an interactive interface; constructing an asset graph based on asset functional labels, assembly relationships in 3D space, and defined work space points; traversing the asset graph and automatically generating logical control events in an event tree; compiling the final constructed event tree and logical relationships to generate underlying control code; and automatically deriving and establishing logical dependencies between events by analyzing the graph relationships composed of asset types, spatial position relationships, and work point identifiers, thereby achieving efficient and intuitive no-code programming.

The invention discloses software capable of achieving quick access, and relates to the technical field related to software design, and the software comprises a software main body which comprises a first menu, a second menu and a third menu; the 3D simulation ball is located in the first menu, and the 3D simulation ball simulates the memory of the mobile phone and displays various software of the mobile phone; the second menu is a sub-menu of software in the 3D simulation ball and serves as an option menu; and the third menu is a display area of the sub-menu and is used for displaying contents in the sub-menu, the software main body comprises setting software, and the setting software comprises preset software, a signal connection system, a camera, a fingerprint and a voiceprint. The first interface, the second interface and the third interface are displayed at the same time, entering can be rapidly selected, blind clicking or entering through memory is not needed, time is saved, more humanized design is achieved, more design feeling is achieved in the 3D simulation ball mode, and better experience is provided for a user.

The invention discloses a 3D development engine and an operation simulation system, and belongs to the technical field of 3D development engines, the 3D development engine comprises a model construction unit, an interactive calculation unit and a risk early warning unit, the model construction unit generates a 3D model according to imported medical image data, the interactive calculation unit receives operation data of external operation equipment, and the risk early warning unit performs risk early warning on the operation data. A 3D simulation scene is updated in real time, and a risk rule base in the risk early warning unit is matched with the real-time monitoring unit, so that real-time recognition and early warning of surgical risks can be realized; the operation simulation system comprises an external operation device, a display device, a data storage server and the 3D development engine, the defects that an existing system is heavy in process and low in risk are overcome, simulation training can cover core skills such as risk pre-judgment and coping, the clinical emergency capacity of medical staff is remarkably improved, and the operation simulation system is suitable for popularization and application. And the operation simulation system has higher practicability and safety.

The application relates to a 3D simulation head movement method and device, a storage medium and an electronic equipment, and relates to the technical field of data processing. The method comprises the following steps: acquiring posture data of the actual head posture of a target patient at present through a nine-axis IMU built in a convenient eyepiece; pre-processing and calibrating the posture data respectively to obtain processed data; fusing gyroscope data, accelerometer data and magnetometer data in the processed data through a complementary filtering algorithm to obtain a head posture solution result of the target patient; generating a target quaternion under a world coordinate system according to the head posture solution result, the target quaternion being a quaternion representing the actual head posture; adjusting the posture of a head three-dimensional model of the target patient to the actual head posture according to the target quaternion; and synchronously displaying the head three-dimensional model in the actual head posture and the actual video frame of the target patient at present in a terminal. The application has the effect of improving the accuracy of examination results.

This invention belongs to the field of power device thermal simulation technology and discloses a power device thermal simulation method based on flow field dimensionality reduction. This invention achieves high reconstruction accuracy and dimensionality restoration, enabling precise characterization of flow field characteristics under complex heat dissipation topologies of power modules. For the geometric consistency of heat sinks (such as PinFin) in the Z-axis direction, the mainstream velocity characteristics are obtained by analyzing the 2D Navier-Stokes equations, effectively capturing the core contribution of convective heat transfer. This method solves the shortcomings of extremely high computational cost and slow convergence in full-order 3D simulation, ensuring engineering accuracy in macroscopic thermal-fluid coupling scenarios while significantly reducing dimensionality. The data mapping efficiency is extremely high, achieving second-level search response and reconstruction for large-scale mesh nodes with millions of nodes. Traditional data reconstruction uses a point-by-point traversal method, which has high computational complexity and low processing efficiency when dealing with high-density meshes.

The invention relates to the technical field of sewing machine control, and discloses a sewing machine energy-saving operation control and power consumption optimization system which comprises a data acquisition module which comprises power consumption sensors, operation state sensors and fabric parameter acquisition assemblies associated with a sewing machine, and the power consumption sensors and the operation state sensors are arranged on all working units of the sewing machine. And the fabric parameter acquisition assembly establishes data interaction with the Style3D cloud fabric database. According to the invention, the system depends on the Style3D cloud fabric database to obtain the fabric material, thickness, elastic modulus and other accurate parameters, combines with the power consumption optimization model of 3D simulation training, can output adaptive driving power, rotating speed and other operation parameters for different fabric characteristics, effectively reduces the operation energy consumption of equipment, and improves the performance of the equipment. Meanwhile, parameter compensation adjustment can be achieved through temperature and humidity data collected by the environment sensor, high-temperature overload energy consumption is prevented, the comprehensive power consumption of a single machine can be reduced by 15%-25% through actual verification, and the energy cost of a production end is greatly reduced.

This application relates to the field of plastic packaging bottle processing technology, providing a method for precise molding of plastic packaging bottles driven by three-dimensional simulation analysis. The method includes: interactive processing orders to extract basic molding information and construct a three-dimensional simulation model; fitting the precision of the production line equipment to generate a first molding influence coefficient; setting a molding tolerance bandwidth; deriving a three-dimensional simulation model based on the influence coefficient and tolerance bandwidth; processing samples according to preset parameters; acquiring simulated molding samples using multi-point images; matching the derived model to obtain a target model; generating adjustment parameters through twin analysis; and controlling the molding of the target plastic bottle. This application solves the technical problem of low control efficiency in existing technologies that adjust based solely on the three-dimensional simulation model of the finished product, ignoring the influence of the processing line's own processing capacity. It achieves improved control efficiency by comprehensively considering the processing line's processing capacity and the finished product's quality tolerance range when determining molding adjustment parameters.

The invention discloses a multi-degree-of-freedom differential transmission mechanical arm which is composed of a six-degree-of-freedom mechanical arm structure, a driving device, a controller and an upper computer. A track precision test module is arranged in the controller; a coordinate system construction module, an obstacle detection module, a trajectory planning module and a three-dimensional simulation module are arranged in the upper computer. The invention further discloses a multi-station grabbing method of the multi-degree-of-freedom differential transmission mechanical arm, a connecting rod coordinate system of the six-degree-of-freedom mechanical arm is established, and motion parameters of the mechanical arm are defined; planning a motion track of the mechanical arm from the grabbing point to the grabbing preparation point and the placing preparation point to the placing point, and calculating end point coordinates of each track section; grabbing track data of the mechanical arm is generated based on a track planning algorithm, and the three-dimensional simulation module is driven to conduct track feasibility verification; and after verification, the trajectory data is compiled to generate a robot instruction file capable of being issued so as to drive the mechanical arm to operate. By reasonably customizing the coordinate system, the accuracy of track motion can be well tested.

The invention provides a three-dimensional simulation assisted metal pipe cutting servo correction system, and relates to the technical field of metal cutting, and the system comprises the steps that metal pipe data are collected through a multi-dimensional image and a multi-dimensional laser array, and a multi-dimensional image set and a point cloud set are obtained; fusing the image set to generate a metal tube contour, and fitting a point cloud to construct a three-dimensional model; in the simulation space, comparing the standard three-dimensional model with the actually-measured three-dimensional model, and determining transverse and longitudinal displacement deviations; a precision threshold value is set, and if the deviation exceeds the threshold value, the servo control parameters are corrected; adjusting the position of the metal pipe according to the correction strategy, and executing cutting operation. According to the method, the cutting precision and quality of the metal pipe are improved. By means of the metal pipe cutting device, the technical problems that due to the fact that tiny displacement deviation during metal pipe cutting cannot be perceived in time, the metal pipe cutting precision and cutting quality are poor, and the expected cutting machining requirement cannot be met can be solved, and the technical effects that the metal pipe cutting precision and cutting quality are improved, and it is ensured that cutting machining meets the expected requirement are achieved.

The invention discloses a calculation method and device for gravity acting in the vehicle door opening and closing process, equipment and a medium, and belongs to the technical field of vehicle development. The calculation method comprises the following steps that inherent parameters and the rotation angle range of a vehicle door are obtained; upper hinge coordinates are determined according to the inherent parameters; determining a gravity center movement track of the vehicle door in the rotation angle range according to the inherent parameters and the upper hinge coordinates; and determining gravity acting data of the vehicle door in the rotation angle range according to the gravity center movement track. According to the inherent parameters and the rotation angle range of the vehicle door, the gravity acting of different opening angles of the vehicle door can be calculated in real time under the conditions of different vehicle models and different hinge arrangements, three-dimensional simulation software does not need to be repeatedly adjusted, and the calculation efficiency of gravity acting is improved.