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139 results about "3d simulation" patented technology

Supervolume historic building three-dimensional simulation modeling method based on multi-source heterogeneous data

The invention relates to the technical field of cultural heritage digital protection, in particular to a super-volume historic building three-dimensional simulation modeling method based on multi-source heterogeneous data, and the method comprises the steps: firstly collecting node multi-source heterogeneous data such as laser point cloud, images, structural mechanical parameters and historical repair records, and then carrying out node feature enhancement through a node feature enhancement module; using an improved generative adversarial network to strengthen node edge features, adopting an adaptive threshold segmentation algorithm to extract surface texture features, converting mechanics and size data into a three-dimensional constraint condition parameter matrix, then using a topological relation verification algorithm, using a graph neural network to traverse and verify a component connection relation, and obtaining a three-dimensional confrontation model; and a re-calibration mechanism is triggered when the deviation exceeds the limit, the weight is adjusted based on a Bayesian optimization algorithm, fusion verification is carried out again, finally, hierarchical grid division is adopted to construct high-precision sub-models, and the sub-models are spliced into an integral three-dimensional model, so that the model precision and reliability are improved, and reliable digital support is provided for ancient building protection.
Owner:SHIJIAZHUANG TIEDAO UNIV +1

Clothing style 3D intelligent simulation generation method based on model library

The invention discloses a 3D intelligent simulation generation method for clothing styles based on a model library, and relates to the technical field of digital twinning, and the method comprises the steps: carrying out the entity relation extraction and semantic mapping of multi-source clothing data, constructing a cross-modal knowledge graph, and extracting a physical constraint rule of the cross-modal knowledge graph; performing association reasoning and cross validation on the physical constraint rule and the version library to obtain a basic version template set; inputting the basic model template set into an intelligent clothing model, performing structured feature decoupling by the parameter analysis layer, dynamically adjusting a topological structure by the geometric generation layer, and generating 3D simulated clothing; and carrying out digital modeling on the basic model template set through a digital twinning algorithm, constructing a digital twinning body, carrying out physical simulation and optimization verification on the 3D simulation clothing by using the digital twinning body, and outputting a clothing style 3D simulation scheme. According to the invention, by constructing the pattern library and the intelligent garment model, the efficiency, accuracy and individuation level of garment 3D simulation generation are improved.
Owner:JIANGSU SHUNTIAN YISHANG TECHNOLOGY CO LTD

Three-dimensional simulation design method and system based on elevator structure

The invention relates to the technical field of mechanical engineering, in particular to a three-dimensional simulation design method and system based on an elevator structure. The method comprises the following steps that an elevator structure drawing is obtained; a three-dimensional elevator assembly is constructed according to the elevator structure drawing; lift car static load simulation is conducted according to the three-dimensional elevator assembly, and lift car static load data are obtained; detecting the structural strength of the lift car based on the lift car static load data; evaluating welding defects based on the structural strength of the lift car, and generating welding defect data; identifying a weld weak area according to the welding defect data; determining the abrasion loss of the car structure based on the weld weak area; according to the lift car structure abrasion loss, the lift car bottom plate fracture risk is predicted; carrying out welding optimization design based on the fracture risk of the bottom plate of the lift car to obtain welding optimization design data; and traction and traction simulation is conducted according to the three-dimensional elevator assembly, and traction and traction data are obtained. Based on the mechanical engineering technology, the safety and stability of the elevator structure are improved, and the design precision and efficiency are remarkably improved.
Owner:JIANGXI RHINE ELEVATOR CO LTD

Digital twinning-based three-dimensional simulation and infection scene decision optimization system and method

The invention provides a three-dimensional simulation and infection scene decision optimization system and method based on digital twinning, and relates to the technical field of intelligent medical treatment and digital twinning crossing technologies. The three-dimensional simulation and infection scene decision optimization system and method based on digital twinborn comprises the following modules: a data acquisition module, a path optimization module, a risk analysis module, a disinfection scheduling module and a collaborative prevention and control module, by arranging an air microorganism sampler, ultra-wideband positioning equipment and a temperature and humidity sensor, pathogen concentration, personnel trajectory and environmental parameters are collected in real time. Through a multi-source sensor fusion algorithm and a space-time attention mechanism, weight fusion and noise filtering are carried out on pathogen concentration, personnel tracks and environmental parameters in a hospital environment, the problems of information isolation and noise interference in traditional data collection are solved, and the space-time relevance of multi-modal data is remarkably enhanced.
Owner:JIANG SU ZHI ZI NA MI KE JI YOU XIAN GONG SI

Intelligent fire-fighting AI collaborative early warning system and method fusing GIS and multi-source data

The invention discloses an intelligent fire-fighting AI collaborative early warning system and method fusing GIS and multi-source data, and relates to the technical field of fire-fighting safety, and the system comprises a GIS space modeling module which is used for constructing a digital twinborn model through integrating a building BIM model, fire-fighting facility distribution, a population density thermodynamic diagram, sensing equipment layout and real-time environment data; the multi-source data fusion module is used for integrating sensing equipment data, real-time environment data, meteorological information, manually reported hidden dangers and a historical fire case library, and outputting the data after standardization processing; the AI collaborative early warning engine module is used for accessing standardized data, realizing building fire dynamic risk assessment and outputting graded warning information; the 3D simulation drilling platform is used for calling the digital twinborn model, receiving graded alarm information and supporting fire spreading simulation, emergency drilling and plan optimization; and the block chain evidence storage module is used for storing alarm information and drill records. According to the invention, risk assessment and accurate prediction of the fire hazard can be realized.
Owner:INSPUR SMART SUPPLY CHAIN TECH (SHANDONG) CO LTD

Three-dimensional simulation deduction and intelligent scheduling system for multi-scene collaborative operation

The invention relates to the technical field of three-dimensional simulation scheduling, and discloses a three-dimensional simulation deduction and intelligent scheduling system for multi-scene collaborative operation. The system comprises a scene fusion modeling module, a dynamic deduction period calculation module, a resource dimension analysis module and a deduction strategy generation module. The scene fusion modeling module is used for generating a three-dimensional collaborative operation space model containing different operation scene space coordinate mapping relations and inter-scene resource flow paths based on multi-scene parameters configured by a user; a dynamic deduction period calculation module obtains the remaining duration from the current time to the preset deduction ending time, and calls a first dynamic mapping relation to calculate an initial deduction period; a resource dimension analysis module identifies the number of types of resources participating in the collaborative operation, and calls a second dynamic mapping relation to generate a periodic regulation factor; and the deduction strategy generation module performs weighted fusion on the two to obtain a self-adaptive deduction period, and formulates a three-dimensional simulation deduction strategy according to the self-adaptive deduction period to adapt to multi-scene dynamic change so as to realize efficient coordination of simulation and scheduling.
Owner:山东中图软件技术有限公司

Garment customization 3D simulation and process sheet automatic generation method based on artificial intelligence

The invention is suitable for the technical field of garment customization, and particularly relates to a garment customization 3D simulation and process sheet automatic generation method based on artificial intelligence, and the method comprises the steps: providing basic data support through obtaining garment customization parameters; three-dimensional parameter modeling is carried out based on the garment customization parameters, a three-dimensional fitting model corresponding to the garment customization parameters is determined, and the garment upper body effect is visually displayed; performing discrete grid division on the three-dimensional fitting model to obtain a first triangular grid topology corresponding to the three-dimensional fitting model; performing physical constraint iteration on the first triangular mesh topology based on the garment customization parameters to obtain a second triangular mesh topology corresponding to the three-dimensional fitting model; based on the second triangular mesh topology, a customization process sheet corresponding to the garment customization parameters is obtained, simulation and process sheet integration is achieved, the garment making efficiency and quality are effectively improved, and cut-part sewing errors are reduced.
Owner:WENZHOU POLYTECHNIC

Underground environment data acquisition method and system for three-dimensional simulation environment modeling

The invention relates to the technical field of geological exploration, in particular to an underground environment data acquisition method and system for three-dimensional simulation environment modeling, working condition parameters are acquired and input into a CFD model, and an underground dynamic risk map is generated based on shock wave signals; the method comprises the following steps: collecting water mist data to construct a humidity field, and embedding humidity field data into a dynamic risk map generation process, which comprises the following steps: in an injection compression period, solving an N-S equation set, detecting and encrypting a key area grid through a pressure gradient, and generating a burst dust cloud form and density distribution. The results of four stages of turbulence evolution are fused to form a five-dimensional tensor structure including space coordinates, duration time, humidity compensation risk levels, a water film distribution thermodynamic diagram and a water mist light attenuation coefficient, different risk areas can be clearly marked, switching of data acquisition strategies is guided, the problems of artifacts and distortion are effectively solved, and the accuracy of data acquisition is improved. Accurate point cloud data can be obtained in a complex environment.
Owner:淮北矿业传媒科技有限公司

Three-dimensional simulation verification method and system based on BIM

The invention relates to the related field of simulation verification of welding, discloses a BIM-based three-dimensional simulation verification method and system, and constructs a high-precision welding management implementation method in which reality is mapped to virtuality and reality data is corrected through virtual simulation in an analogue simulation mode. Simulation fitting can be carried out on thermal deformation of a workpiece joint at different positions in the welding process on the premise of condition synchronization, a small amount of change of the position of the joint relative to a cooling state when the current welding point is moved to the next welding point after welding is completed is judged, then a deviation correction value which should be made by the welding point is calculated, and the deviation correction value of the welding point is calculated. Compared with a welding control scheme in the prior art, more accurate welding seam positioning can be obtained, and the welding quality is improved.
Owner:GUONENG (ZHEJIANG ANJI) POWER GENERATION CO LTD +1

Integrated design method for three-dimensional simulation model of skid-mounted oil station

The invention relates to the technical field of fuel safety, in particular to an integrated design method for a three-dimensional simulation model of a skid-mounted oil station. The method comprises the following steps that a skid-mounted oil station structure drawing is obtained; constructing an oil station three-dimensional assembly according to a skid-mounted oil station structure drawing; virtual assembly is carried out based on the oil station three-dimensional assembly, and an oil station three-dimensional simulation model is generated; acquiring fuel oil data, transmitting the fuel oil data to the fuel station three-dimensional simulation model, and performing fuel oil flow simulation to generate fuel oil flow data; oil product backflow is detected based on the fuel oil flowing data, and oil product backflow data are obtained; according to the oil product backflow data, fuel oil pipeline cavitation detection is carried out, and fuel oil pipeline cavitation data are obtained; marking the cavitation position of the pipeline based on the cavitation data of the fuel pipeline, and continuously monitoring the thermal load of a fuel pipe body at the cavitation position of the pipeline; and evaluating the fuel gasification risk based on the thermal load of the fuel pipe body. Based on the fuel safety technology, the safety, the stability and the design optimization efficiency of the skid-mounted oil station are improved.
Owner:SUNTO

Vehicle management system based on smart traffic

The invention discloses a vehicle management system based on intelligent traffic. The vehicle management system comprises an acquisition preprocessing module, a traffic network analysis module, a query reasoning module, a track prediction module, a comprehensive monitoring module, a path optimization module, a scheduling management module, a 3D simulation module, a data management module and a report production module. The traffic network analysis module is respectively connected with the acquisition preprocessing module, the query reasoning module, the data management module, the report production module, the 3D simulation module, the comprehensive monitoring module and the trajectory prediction module, and the acquisition preprocessing module is connected with the data management module; the track prediction module is connected with the comprehensive monitoring module and the path optimization module. The comprehensive monitoring module is connected with the path optimization module and the 3D simulation module. The path optimization module is connected with the scheduling management module; and the 3D simulation module is connected with the scheduling management module. According to the invention, countermeasures can be rapidly taken for emergencies, the influence of the emergencies on traffic flow is reduced, and the event processing time is shortened.
Owner:TIANJIN MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO LTD

Method for strengthening stainless steel and titanium alloy welded joint based on CFD simulation

According to the stainless steel and titanium alloy welded joint strengthening method based on CFD simulation, a stainless steel component is a cylindrical tube shell, one end of the cylindrical tube shell is completely open, and a through hole is formed in the other end of the cylindrical tube shell; the titanium component is a thin plate, and the thin plate is arranged in the cylindrical tube shell and is fastened by applying pressure; a FLOW-3D simulation platform is adopted, boundary conditions applied to six surfaces of a computational domain are all constant-pressure boundary conditions, and laser power, pulse frequency, defocusing amount, welding speed and material attributes serve as input to predict temporal and spatial changes of temperature, fluid flow and element distribution in a molten pool; and based on the prediction result of the FLOW-3D simulation platform, the nanometer laser is incident from one side of the thin plate at the predicted laser power, pulse frequency, defocusing amount and welding speed, the laser scanning track is a circular path, cooling is conducted to the room temperature after welding is completed, a supersaturated solid solution in a welding seam is reserved, and the situation that intermetallic compounds are separated out again is avoided.
Owner:XI AN JIAOTONG UNIV

OSM-based urban traffic three-dimensional simulation scene modeling method and system

The invention discloses an OSM-based urban traffic three-dimensional simulation scene modeling method and system, and the method comprises the steps: obtaining map data of a target simulation region, carrying out the preprocessing of the map data, and obtaining the preprocessing data; road shoulders, curbs and sidewalks are subjected to parameterization batch filling according to the preprocessed data, and a two-dimensional simulation model is correspondingly generated; defining a target data standard, generating a target high-precision map according to the target data standard and the two-dimensional simulation model, and converting the target high-precision map into a three-dimensional road network model through target software; based on three-dimensional visualization software, a three-dimensional simulation model is generated according to the three-dimensional road network model, and three-dimensional visualization simulation is generated based on a digital twinborn tool and a blueprint tool. Aiming at traffic simulation modeling requirements, the OSM map is used as a data source, the data conversion relation between the simulation model and the three-dimensional model is deeply explored, the automatic modeling efficiency of traffic simulation is improved, and the three-dimensional visualization capability of the simulation model is enhanced.
Owner:SHENZHEN UNIV

Three-dimensional simulation design method and system for light-weight glass bottle production digital mold

The invention relates to the technical field of glass bottle production, in particular to a three-dimensional simulation design method and system for a light-weight glass bottle production digital mold. The method comprises the following steps: constructing a digital mold geometric model for a glass bottle mold; a bubble escape priority path is identified according to the digital mold geometric model, and a glass bottle digital simulation model is constructed; executing molten glass flow-heat transfer-bubble evolution coupling simulation based on the glass bottle digital simulation model to extract a potential bubble nucleation and aggregation area; calculating a bubble defect tendency value of the potential bubble nucleation and aggregation area, and performing glass bottle production defect space mapping to generate a glass bottle production defect risk area; differentiated defect risk optimization is carried out on the glass bottle production defect risk area, so that the production design requirement of the light-weight glass bottle is met. According to the invention, through bubble escape path identification and three-dimensional coupling simulation, accurate positioning and differential optimization of the bubble defect risk of the glass bottle are realized.
Owner:SHANDONG JINGYAO GLASS GRP

Simulation test method for electronic packaging equipment

The invention discloses a simulation test method for electronic packaging equipment, which comprises the following steps of: importing PCB (Printed Circuit Board) design data to form a unified intermediate format; multi-dimensional parameter mapping association is carried out on the geometric entity and an equipment execution module of packaging equipment in the digital twin model library, and multi-dimensional parameters comprise space coordinates, thermal characteristics and electrical characteristics; according to the correlation result, a dynamic rule engine is called to generate and update process rules in real time, and the process rules comprise the solder paste jet printing speed, the dispensing pressure, the surface mounting force threshold value and the backflow peak temperature curve; loading the updated process rule to a digital twin model of the electronic packaging equipment, and driving the model to generate an executable control program; and running the control program in a 3D simulation environment to obtain a virtual running track, a heat distribution field and a stress field. According to the method, the trajectory, the thermal field and the stress field are output in advance through 3D simulation, the collision, warping and overheating risks are eliminated in the virtual stage, the number of real object proofing rounds is reduced, and the overall introduction cost is saved.
Owner:CHONGQING THREE GORGES UNIV

Parameter optimization method, device and system for wireless slip ring magnetic coupling mechanism

PendingCN120562069AGeometric CADCircuit arrangementsMultivariable optimizationComputational physics
The invention discloses a parameter optimization method, device and system for a wireless slip ring magnetic coupling mechanism, and belongs to the technical field of electromechanical equipment design, and the parameter optimization method comprises the steps: carrying out the optimization from the aspects of coil parameters, coil turns and magnetic core parameters; performing parameter scanning and optimization selection on the coil parameters in the 2D simulation model to obtain optimized coil parameters, and performing optimization selection on the number of turns of the coil and the magnetic core parameters in the 3D simulation model to obtain optimized number of turns of the coil and optimized magnetic core parameters; further, whether the safety condition that the main magnetic circuit of the magnetic core is unsaturated is met or not is judged, if not, optimization continues, and if yes, a parameter optimization result is output. According to the method, a multivariable optimization problem is equivalent to a multi-single-variable and double-variable optimization problem, and compared with other parameter optimization methods of a magnetic coupling mechanism in a wireless power transmission system, parameter optimization of a coil magnetic core composite system is comprehensively considered, so that the performance of the wireless slip ring magnetic coupling mechanism can be greatly improved.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Implementation Method of Fog Principle in 3D Simulation Visual Scene

The present invention discloses a method for realizing the fog principle in a three-dimensional simulation visual scene, which includes the following steps: S1. Calculate the fog effect concentration fog according to the relative height h between the camera and the object; S2. Calculate the total attenuation Ifinal of the fog under sunlight and atmospheric scattering; S3. Calculate the fog scattering color Cinscattering; S4. Calculate the fog color change FogColor according to the fog effect concentration fog, the total attenuation Ifinal of atmospheric light transmission, and the fog scattering color Cinscattering. This method for realizing the fog principle in a three-dimensional simulation visual scene solves the problem in the prior art that the change of the fog color cannot be calculated according to the height between the camera and the fog.
Owner:BEIJING SEASTARS SCI & TECH INC CO LTD

Improved grey wolf optimization method for unmanned aerial vehicle logistics distribution planning

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.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

3D Simulation Design Method and System for Putty Smearing Device Structure

The present invention relates to the field of computer simulation technology, and particularly to a three-dimensional simulation design method and system for a putty scraping device structure. The method includes the following steps: performing parameterized description processing and three-dimensional modeling design on the putty scraping device structure to generate a three-dimensional space model of the putty scraping device structure; performing scraping simulation environment parameter design and kinematic dynamic simulation analysis on the three-dimensional space model of the putty scraping device structure to obtain kinematic characteristic simulation results of the putty scraping device under different simulation environment parameter conditions; performing multi-physical field coupling simulation analysis on the three-dimensional space model of the putty scraping device structure to obtain scraping structure performance simulation results of the putty scraping device under different physical field coupling simulation conditions; and performing model parameter optimization processing on the three-dimensional space model of the putty scraping device structure to obtain a three-dimensional optimized model of the putty scraping device structure. The present invention can realize dynamic simulation modeling and optimized design of the scraping device.
Owner:JIANGSU ZHONGJIE JIANZHAO INTELLIGENT EQUIP CO LTD

A method and system for simulating and displaying plastic surgery effects based on 3D simulation technology

The present invention discloses a method and system for simulating and displaying plastic surgery effects based on 3D simulation technology, which relates to the field of medical information technology. The method includes collecting facial data of a patient and constructing an initial model of a multi-level facial structure; constructing a hybrid deformation model; extracting individualized characteristic parameters of the patient and generating a personalized set of biomechanical parameters through a biomechanical parameter prediction network; applying the personalized set of biomechanical parameters to the hybrid deformation model; receiving operation input parameters of a plastic surgery, and calculating and displaying the deformation results of each layer structure in real time based on a GPU parallel computing framework; constructing a tissue healing and recovery dynamics model, combining the deformation results, and generating appearance prediction data at different time points after the surgery; and performing three-dimensional visualization processing on the appearance prediction data. The present invention creatively integrates CT / MRI, 3D structured light scanning and expression dynamic video sequences, breaks through the limitations of traditional single-modal data modeling, and significantly improves the accuracy of soft tissue boundary recognition.
Owner:GUIZHOU LI MEI KANG MEDICAL HLDG CO LTD

A PCB characteristic impedance simulation optimization method and system based on three-dimensional modeling

PendingCN122366338AAlgorithmEngineering
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.
Owner:SHENZHEN AIYONGTE ELECTRONIC TECH CO LTD

A method for analyzing braking noise in automotive braking systems

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.
Owner:CHENZHI(CHONGQING)BRAKE SYSTEM CO LTD

Vehicle-mounted screen 3D simulation seat adjustment interaction method and system and electronic equipment

The invention discloses a vehicle-mounted screen 3D simulation seat adjustment interaction method, and relates to the technical field of vehicle control, and the method comprises the steps: obtaining a 3D engine, and constructing a 3D virtual model corresponding to an automobile physical seat according to the 3D engine; displaying the 3D virtual model on a user interaction interface; establishing a dynamic binding relationship between the 3D virtual model and the seat unit, and completing initial calibration according to a spatial state; obtaining a touch operation of a user on a target adjusting part in the 3D virtual model, analyzing the type and track of the touch operation and target part information, and generating an interaction instruction; the target adjusting component comprises a headrest, a backrest and a leg support; the interaction instruction is converted into a seat motion control signal, the seat motion control signal is sent to a seat motion control module, and a physical seat is driven to execute corresponding adjusting actions; a highlight semitransparent guide rail projection is generated through the visual feedback unit, and continuous click type vibration is provided through the tactile feedback unit; the real-time state of the physical seat is obtained, and the 3D virtual model is driven to be synchronously updated.
Owner:CHINA FAW CO LTD

Weather scene image generation method and device, electronic equipment and storage medium

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.
Owner:CHINA AUTOMOTIVE INNOVATION CORP

Intelligent terminal device for 3D simulation teaching based on nasal endoscope operation technology

The objective of the invention is to provide the intelligent terminal device based on the 3D simulation teaching of the nasal endoscope operation technology, through a three-cavity integrated advanced nasal endoscope, a trainee can carry out a simulation teaching experiment in a nasal cavity model, and the knowledge and operation experience of the trainee on the mechanical structure, fluid control, man-machine interaction and other aspects of the device are cultivated. Artificial blood is injected into the semi-visual nasal cavity model to form a set of complete endoscope teaching process integrating optical, flushing and suction modules.
Owner:宁德市闽东医院 +1

Method, device, product and medium for real-scene modeling based on air-ground fusion of oblique photogrammetry

This invention discloses a method, device, product, and medium for real-world modeling using oblique photogrammetry for air-ground fusion. By acquiring image data using oblique drones, low-altitude drones, and ground cameras according to specific rules and performing fusion calculations, the method satisfies the requirements for aerial triangulation while ensuring efficient field work time. This method significantly improves modeling effectiveness and accuracy, resulting in a constructed 3D model with picture-level texture and pixel-level precision. The method boasts strong feasibility, realistic texture effects, and a high degree of precision, providing reliable and authentic surveying and mapping geographic information for applications such as engineering planning, design, display, and 3D simulation.
Owner:POWERCHINA ZHONGNAN ENG

High-performance low-cost double-sided skin self-sensing super-sub-gloss furniture board

The utility model relates to the technical field of furniture material plates, in particular to a high-performance low-cost double-sided skin self-sensing super-sub-gloss furniture plate, which structurally comprises a base material layer, and a front decorative composite coating and a back decorative composite coating symmetrically positioned on two side surfaces of the base material layer. The base material layer is a high-performance low-cost odorless formaldehyde-free additive wood composite artificial board; the front skin texture super-gloss and sub-gloss decorative composite coating comprises four composite coatings and a front UV-3D simulated texture skin texture super-gloss transfer finish coat, wherein the four composite coatings and the front UV-3D simulated texture skin texture super-gloss transfer finish coat are sequentially overlaid from inside to outside; the utility model discloses a back skin texture super-gloss and sub-gloss decorative composite coating which comprises four composite coatings and a back UV-3D simulated texture skin texture super-gloss transfer finish coat, wherein the four composite coatings and the back UV-3D simulated texture skin texture super-gloss transfer finish coat are sequentially overlaid from inside to outside. According to the utility model, a better skin texture super-sub-gloss paint surface effect is obtained, and meanwhile, the paint has the characteristics of being more odorless, high in stain resistance, high in yellowing resistance, high in hardness, high in efficiency, high in performance and low in cost.
Owner:XIAOSEN NEW MATERIAL TECH CO LTD

A method and system for developing software and hardware of a patrol robot

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.
Owner:GUANGZHOU INST OF RAILWAY TECH

New energy ship cable wiring system

The invention relates to the technical field of cable wiring systems, in particular to a new energy ship cable wiring system which comprises a line planning unit, a trunking preassembling unit, a wiring position positioning unit and a wiring mechanism. The line planning unit adopts a 3D simulation software digital modeling technology, combines a ship structure, equipment layout and power requirements, automatically calculates an optimal wiring path, optimizes cable trend, wire diameter matching and safety spacing configuration, and meanwhile, automatically generates a wiring scheme in cooperation with an AI auxiliary decision-making system, so that high-energy-efficiency and low-loss cable layout is realized; the trunking preassembling unit is used for installing a plurality of fixed trunkings on a cable wiring path at equal intervals according to the wiring path provided by the line planning unit, and recording trunking installation positions and trunking information at the same time; high-energy-efficiency and low-loss cable layout is achieved, high-precision positioning of cable laying is achieved by automatically checking the installation position, manual errors are reduced, and the cable wiring efficiency is improved.
Owner:ZHEJIANG INT MARITIME COLLEGE

Energy-saving operation control and power consumption optimization system of sewing machine

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.
Owner:LINGDI (ZHEJIANG) TECHNOLOGY CO LTD