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33 results about "Virtual modeling" patented technology

Flight control ICD protocol simulation verification system based on virtual modeling and flight control system

The application provides a virtual modeling-based flight control ICD protocol simulation verification system and a flight control system, comprising a network topology modeling module, a virtual bus modeling service module, an ICD modeling service module, a processing algorithm modeling service module and an ICD simulation running monitoring module, and each module cooperatively realizes a full-process closed loop from ICD analysis to virtual bus simulation verification. The application completes network construction of the system by simulating the commonly used system network bus in the design stage, and in combination with the data processing algorithm, the business data interaction between the system nodes can be simulated in the system design front end, the ICD design problem is identified, the compatibility verification of the ICD and the hardware bus interface is completed in the design front end, the rework waste caused by the design mismatch problem is reduced, and the reliability and delivery efficiency of the system are improved.
Owner:VISION MICROSYST (SHANGHAI) CO LTD

Virtual-real combined simulation method and real object device

The invention discloses a virtuality and reality combined simulation method and a real object device. The virtuality and reality combined simulation device comprises a data acquisition module, a virtual modeling module, a virtuality and reality fusion module, an interaction control module and a data storage and analysis module. The data acquisition module is used for collecting various data of a real scene, the virtual modeling module is used for building a virtual model according to the collected data, simulating an object and an environment in the real scene and building a virtual world, the virtual-real fusion module is used for fusing the virtual model and the real scene, and the transparency and the position of the virtual object are adjusted through an algorithm. The interaction control module is used for interaction between a user and a virtual-real fusion scene, receiving an operation instruction of the user and feeding back an operation result to the user, the fusion real feeling environment and algorithm influence in the prior art are common in effect, and the scheme is more vivid and natural; a system in the prior art is high in response delay, interaction experience is affected, and the scheme is high in real-time performance. Part of modules in the prior art are difficult to expand, and the scheme is easy to expand new functions.
Owner:HANGZHOU TIANCI HONGYE TECH CO LTD

Systems and methods for printing three-dimensional objects

Dental restoration technologies include dental prosthesis components such as implants, abutments, crowns, and the like that are mapped to a patient's mouth prior to and during installation. Fabricating at least a portion of one or more components of the dental prosthesis using a fully calibrated and characterized fabricator can reduce sources of error that affect the success of fabrication and installation processes. The components of the dental prosthesis are represented by library files that are tailored to reflect particular characteristics of the components of the prosthesis to be fabricated, the fabricator, the material used during fabrication, and / or the environment surrounding the fabricator. The library files may be determined based on an acquired scan of the patient and / or based on inputs received from a user during the design process. The library files may be generated using virtual modeling techniques, and / or based on a component design that falls within pre-determined parameters.
Owner:BIOMET 3I LLC

Optical cable line dynamic environment simulation method and system based on physical rendering

The invention provides an optical cable line dynamic environment simulation method and system based on physical rendering, and relates to the technical field of virtual modeling of electric power communication equipment. Comprising six steps of optical cable line basic data acquisition, dynamic environment parameter modeling, PBR-based material attribute definition, dynamic environment and optical cable interactive simulation, rendering optimization and simulation result verification. The system comprises a data acquisition module, an environmental parameter modeling module, a PBR material definition module, a dynamic interaction simulation module, a rendering optimization module, a result verification module and an application integration module. Real material characteristics of the optical cable and accessories are restored through a physical rendering technology, multi-scene real-time simulation is realized in combination with dynamic environment parameters, the influence and hidden defects of the environment on the optical cable are accurately presented, high-precision visual support is provided for optical cable line inspection, fault early warning and operation and maintenance training, and the method is suitable for popularization and application. And the intelligent level of external operation and maintenance of electric power communication is obviously improved.
Owner:CHINA YANGTZE POWER

Cloud sorting management system based on intelligent weighing

This invention discloses a cloud-based sorting management system based on intelligent weighing, belonging to the field of computer application technology. The system includes a data acquisition module, a process data association and integration module, a cloud-based centralized management and control module, a virtual modeling module, a collaborative pre-simulation optimization module, a sorting execution control module, a data closed-loop feedback module, and an anomaly early warning and emergency handling module. This invention constructs a multi-module integrated cloud-based sorting management system that integrates quantum sensing data acquisition, virtual image modeling, collaborative pre-simulation optimization, and data closed-loop feedback. It achieves virtual-real collaborative management and dynamic optimization of the entire product sorting chain. Compared with existing technologies, it can improve the accuracy of the sorting process and the adaptability of the entire chain. Therefore, it can solve the problems of low sorting efficiency and difficulty in controlling errors caused by the single data acquisition dimension, lack of virtual simulation pre-simulation mechanism, and insufficient coordination among various links in traditional sorting systems.
Owner:NANJING QIHONG CLOUD TECH CO LTD

Power distribution network non-power-cut operation simulation drilling and normative evaluation method and system

The invention discloses a power distribution network non-power-cut operation simulation drill and normalization evaluation method and system, and the method comprises the following steps: constructing a virtual environment of power distribution network non-power-cut operation, and carrying out the virtualization modeling of a typical operation task in the virtual environment; performing a virtual drill in the virtual environment based on a result of the virtualized modeling; in the virtual drilling process or after the virtual drilling process is finished, the execution process of the standardized operation steps is evaluated based on the constructed normative evaluation model; wherein the normative evaluation model integrates hard rule verification based on a rule engine and operation time sequence rationality analysis based on a machine learning model; and generating an evaluation report containing quantitative scores and risk points, and performing superposition display on the risk points in the form of warning marks when the execution process of the simulation drill is reproduced in the virtual environment. According to the invention, real-time and intelligent operation normative evaluation and feedback can be realized.
Owner:WUXI XINENG REAL ESTATE MANAGEMENT CO LTD

A multi-camera topology pre-optimization virtual modeling and performance pre-evaluation method

The application discloses a kind of multi-camera topology pre-optimization virtual modeling and performance pre-evaluation method, it is related to holographic communication field, this method is combined with holographic communication demand and model algorithm to be used, realize the digital modeling of multi-camera topology;Design and simulate the arrangement structure of a variety of adaptive scene such as matrix, ring, distributed, layered, clear arrangement basis and limiting condition of each arrangement;Multi-objective optimization algorithm is introduced, and the parameters of the arrangement correction parameter of virtual camera and the model algorithm to be used are iteratively optimized, and the quantitative evaluation system associated with holographic transmission quality is simultaneously established, to form "pre-simulation-optimal topology-test transmission" whole-process closed loop, can effectively improve imaging effect, reduce data volume and optimize delay.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Systems and methods for printing three-dimensional objects

Dental restoration technologies include dental prosthesis components such as implants, abutments, crowns, and the like that are mapped to a patient's mouth prior to and during installation. Fabricating at least a portion of one or more components of the dental prosthesis using a fully calibrated and characterized fabricator can reduce sources of error that affect the success of fabrication and installation processes. The components of the dental prosthesis are represented by library files that are tailored to reflect particular characteristics of the components of the prosthesis to be fabricated, the fabricator, the material used during fabrication, and / or the environment surrounding the fabricator. The library files may be determined based on an acquired scan of the patient and / or based on inputs received from a user during the design process. The library files may be generated using virtual modeling techniques, and / or based on a component design that falls within pre-determined parameters.
Owner:BIOMET 3I LLC

Virtual environment space generation method and device, electronic equipment and medium

The embodiment of the invention discloses a virtual environment space generation method and device, electronic equipment and a medium, and relates to the technical field of meta universe, and one specific embodiment of the method comprises the following steps: obtaining a panoramic image and depth information of a target real scene based on the user position of a user in response to a concentration mode starting request triggered by the user; constructing a virtual environment space based on the panoramic image and the depth information; and projecting the virtual environment space to a display interface of user equipment of the user, so that the user performs virtual operation based on the virtual environment space in the concentration mode. When a user carries out operations needing to be focused such as virtual modeling, interference situations such as sudden personnel intrusion in reality can be isolated, and an independent and interference-free focused operation environment is created for the user.
Owner:MIGU COMIC CO LTD +2

A physical store virtual modeling method and system based on multi-dimensional information collection

The application relates to a physical store virtual modeling method and system based on multi-dimensional information collection, which comprises the following steps: receiving physical store space layout data and modeling parameters, demarcating a modeling range to generate a digital map and a parameter configuration file; acquiring geometric, texture and environmental sound effect data, and generating environmental fusion data set after fusion processing; associating a commodity list with space coordinates to construct a commodity database with space coordinates; building a three-dimensional grid model based on geometric data, mapping texture data and embedding commodity information to generate a three-dimensional virtual scene model; deploying a holographic projection device to generate an optical school correction projection stream by adjusting parameters according to the model; setting a virtual point single interface in the scene to receive an interactive instruction to call a database to generate an order synchronization operation system; and updating the three-dimensional model and the database in real time when receiving environmental change or commodity update data. The application realizes dynamic construction, interactive management and real-time updating of a physical store virtual-real fusion scene.
Owner:BEIJING HOLOGRAPHIC JULANG TECH CO LTD

A virtual simulation teaching method for helicopter ditching escape training

The application discloses a kind of virtual simulation teaching methods for helicopter water escape training, it is related to simulation teaching field, comprising the following steps: S1, data acquisition builds system, while screening trainees;S2, to qualified trainees carry out single training, and grouping division of labour;S3, simulate the water condition and carry out grouping cooperative escape training, and strategy and scheme are formulated based on monitoring data;S4, according to strategy and scheme, carry out entity teaching operation in system, and carry out supplementary training comparison analysis;S5, based on the result of supplementary training comparison analysis, optimize and adjust virtual simulation teaching system to carry out comprehensive capability evaluation, and generate trainee ability report based on comprehensive capability evaluation result.The application is obtained by data, combined with three-dimensional virtual modeling technology, and the logic of the four core structures, key components and working conditions of the entity cabin are copied, and the virtual simulation teaching system is built by building interactive modules and fault emergency interactive nodes.
Owner:武汉河洋科技有限公司

Unmanned aerial vehicle formation keeping, transformation, obstacle avoidance and collision avoidance system based on artificial potential field method

The invention provides an unmanned aerial vehicle formation keeping, transformation, obstacle avoidance and collision avoidance system based on an artificial potential field method. The system comprises a formation structure module, a parameter measurement and calculation module, an artificial potential field module and an instruction integration module. The formation modeling module is used for performing virtual modeling on the formation through a virtual structure method, giving a target position of the current unmanned aerial vehicle, calculating a relative position and a relative speed with the target position according to the target position, calculating each obstacle according to the obstacle information, setting an emergency degree for the obstacles, and determining the formation according to the emergency degree. And calculating the gravitation and the repulsive force of the target position and the obstacle, finally synthesizing an initial resultant force, limiting the resultant force, and finally outputting a control instruction which can be actually executed by the optimized unmanned aerial vehicle. According to the method, the overall stability of the formation is ensured, flexible and efficient formation change can be realized, and real-time and reliable obstacle avoidance and collision avoidance capabilities are realized, so that the autonomous collaborative operation level of a multi-unmanned aerial vehicle system in a complex environment is improved.
Owner:CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST

A cultural heritage virtual reconstruction display system based on a meta universe

The application belongs to the technical field of virtual reality and cultural heritage protection, in particular to a cultural heritage virtual reconstruction display system based on a meta universe, which comprises a data acquisition module, a virtual modeling module, a meta universe engine module, an immersive display module, a blockchain authentication module and a user behavior analysis module; the scheme combines a new method of multi-source data acquisition and deep learning repair, uses a laser scanner, a drone and a high-definition camera to collect high-precision data of cultural heritage from multiple angles, and adopts an enhanced U-Net network to accurately position and preliminarily restore irregular damaged areas in the image, thereby enhancing the learning and expression ability of the network to complex visual features; the scheme introduces an edge-guided diffusion model, uses edge information as prior guidance, finely repairs the damaged areas in the cultural heritage, and realizes higher-quality digital repair and protection of the cultural heritage image.
Owner:CENT SOUTH UNIV

Robot education virtual and real analysis method and system

The invention provides a robot education virtual and actual analysis method and system, and relates to the technical field of robot education virtual and actual analysis, a scene operation simulation model is obtained, a virtual level and an actual level of an education level are set, and then type virtual operation data and actual operation data are obtained; calculating a type virtual operation average value, and respectively comparing, analyzing and judging the type virtual operation average value with the type virtual operation data and the actual operation data so as to obtain virtual deviation judgment information and actual deviation judgment information; actual operation right and wrong judgment information is obtained, whether virtual modeling deviation exists or not is judged, the type scene model is updated, and virtual operation right and wrong judgment information is obtained according to virtual deviation judgment information; complexity adjustment and conversion are carried out on the education level information, adjustment and conversion information is obtained, and the accuracy and intelligence of virtual simulation are enhanced through the schemes of deviation obtaining, operation judgment, complexity adjustment and the like.
Owner:CHONGQING CHEM IND VOCATIONAL COLLEGE

Virtual modeling system and electronic device

The invention provides a virtual modeling system and electronic equipment, and the virtual modeling system comprises a motion capture and collaborative synchronization module which is used for capturing gesture operation data of a first user under the condition that the first user logs in the virtual modeling system, synchronizing the gesture operation data to a second user in real time through a synchronous rendering algorithm, determining an operated virtual object according to the gesture operation data, and performing operation conflict detection on the first user and the second user; wherein the second user is another user who logs in the virtual modeling system; the physical feedback module is used for determining physical parameters of the operated virtual object; and the rendering and modeling module is used for performing virtual modeling based on the physical parameters and synchronizing the modeling state of the virtual modeling to the second user in real time through a distributed rendering algorithm.
Owner:GOERTEK INC

Aquaculture multi-parameter intelligent monitoring system based on Internet of Things

The invention relates to the cross technical field of the Internet of Things and intelligent agriculture, and discloses an aquaculture multi-parameter intelligent monitoring system based on the Internet of Things. The system comprises an edge access module which is used for establishing a sensing network and processing original data into a standard time sequence data stream; the virtual modeling module is used for dynamically distributing resources for the data flow at the edge node and creating a virtual environment field model matched with the physical topology; the situation construction module is used for extracting core fluctuation characteristics from the model to construct a multi-dimensional abnormal situation map; the factor traceability module is used for reversely tracing the key influence factors according to the atlas and calculating contribution weights of the key influence factors; the regulation and control equipment intelligent matching module is used for matching an optimal physical regulation and control device according to the key factors; and the collaborative regulation and control instruction generation module is used for generating a nonlinear collaborative regulation and control instruction sequence for the matching device based on the contribution weight. According to the invention, closed-loop intelligent management of the aquaculture water environment from overall situation awareness to precise cooperative regulation is realized.
Owner:SICHUAN WATER CONSERVANCY VOCATIONAL & TECH COLLEGE

Map-guided scene-aware few-shot acoustic modeling method, device, equipment and medium

The application discloses a kind of scene perception few sample acoustic modeling methods, device and equipment based on map guidance and medium, wherein method includes: obtaining image data, visual feature is extracted according to image data, scene semantic feature is extracted from visual feature;According to the extracted scene semantic feature, the scene feature map is obtained by aligning and fusing the scene features obtained in different postures;Obtain query coordinates, obtain query features according to query coordinates and scene feature map, obtain target RIR according to query features.The application proposes a map-guided scene perception scheme, by extracting acoustic-related semantic features in different visual observations, and by means of depth mapping, the feature alignment and fusion are performed, the feature information of the entire scene is obtained, and the understanding of the spatial information such as house structure, house layout, and object semantics by the model is enhanced.The application can be widely applied in the field of virtual modeling such as AR and VR.
Owner:SOUTH CHINA UNIV OF TECH

Mixed reality based construction equipment and material intelligent transportation analysis system

The application discloses a mixed reality-based building equipment and material intelligent transportation analysis system and relates to the transportation technical field in the construction process.The system comprises a data acquisition module, a virtual model construction module, a transportation path planning module, an equipment disassembly degree calculation module, a scheme economic evaluation module and an optimal scheme output module.Relying on the mixed reality equipment and the unmanned aerial vehicle telemetry technology, the system can complete efficient collection of transportation channel and equipment data and high-precision three-dimensional virtual modeling, break through the limitation of manual measurement, dynamically simulate passing, screening path and disassembly, guarantee the safety of the structure and adapt to complex scenes.The cost-benefit balance algorithm is introduced to construct a multi-dimensional evaluation system, comprehensively consider the cost and influence, dynamically trigger additional evaluation and adjust special scenes, so that scientific support is provided for intelligent transportation management.
Owner:SHANGHAI INSTALLATION ENGINEERING GROUP CO LTD

An artificial intelligence-based bionic flapping-wing aircraft performance optimization method and system

The application discloses a kind of based on artificial intelligence's bionic flapping wing aircraft performance optimization method and system, it is related to artificial intelligence technical field, including management center, the management center is connected with intelligent acquisition module, bionic processing module, flight analysis module and optimization decision module;Data transformation is carried out to the flapping wing comprehensive data collected, obtains flapping wing comprehensive signal, sets up coefficient extraction to flapping wing comprehensive signal with normal wave variable coefficient, obtains flapping wing uniform signal coefficient;Through flapping wing uniform signal coefficient, obtain matching flapping wing coefficient factor and construct flapping wing factor set by accompanying matching;Virtual modeling space is constructed to scheme quasi-state adjustment is carried out to flapping wing factor set, obtains adjustment flapping wing coefficient factor, carries out statistical screening and optimizes update to adjustment flapping wing coefficient factor, obtains best flight optimization strategy;Reduce artificial intervention, improve optimization efficiency, improve aircraft research and development efficiency and aircraft adaptability.
Owner:YANGTZE DELTA REGION INST OF UNIV OF ELECTRONICS SCI & TECH OF CHINE (HUZHOU)

System and method for monitoring the quality of an analog tail fiber interface

The application discloses a kind of analog quality monitoring systems and methods of tail fiber interface, system includes virtual simulation modeling module, is configured to construct end face three-dimensional optical model based on optical fiber geometric parameter and optical property, write into the three-dimensional optical model and generate virtual optical response atlas by deformation parameter, the virtual optical response atlas includes theoretical reflection light spot position, refraction / reflection intensity ratio and theoretical transmission attenuation rate;Abnormal diagnosis module is configured to receive measured optical data and the virtual optical response atlas, calculate the deviation value of measured book Korea drama and virtual atlas, according to the combination rule of deviation value, output defect classification result.The application monitors the quality of tail fiber interface by virtual modeling and actual measurement.
Owner:GUANGCHANG ZHONGGUANG INNOVATION ELECTRONIC TECH CO LTD

Dynamic adaptive costume design system based on 3D scanning

The invention relates to the technical field of virtual modeling, and discloses a dynamic adaptive costume design system based on 3D scanning. Comprising a model construction module for constructing a virtual human body model of a user; the model mapping module is used for initializing design parameters of test clothes; the environment simulation module is used for constructing a simulation environment with a multi-level virtual scene; the reverse adjustment module is used for reversely adjusting the design parameters of the test clothes and outputting the reversely adjusted design parameters; by constructing the simulation environment with the multiple virtual scenes, the independent test environment can be provided for the virtual adaptation design of the test clothes in different postures, the independence of the dynamic clothes adaptation design is improved, the phenomenon of mutual interference easily occurring when one simulation environment is used for carrying out centralized simulation on the multiple postures is avoided, and the test efficiency is improved. And an accurate theoretical reference basis is provided for reverse adjustment of subsequent design parameters, so that the accuracy and the reliability of dynamic adaptive costume design are enhanced.
Owner:YANGZHOU POLYTECHNIC COLLEGE

Urban drainage system virtual modeling method oriented to drainage pipe network data missing condition

PendingCN121959824AImplement computable modelingImplement numerical simulationGeometric CADDesign optimisation/simulationEnvironmental resource managementData set
The invention discloses an urban drainage system virtual modeling method for drainage pipe network data missing conditions, and the method comprises the steps: obtaining urban road center line data and a digital elevation model covering a research area, and carrying out the data preprocessing, and forming a standardized road network data set; road intersection points and end points serve as virtual drainage nodes, road line segments between adjacent nodes are constructed into virtual drainage pipe segments, and virtual drainage network topology data are obtained; and performing hydraulic parameter configuration on the virtual drainage pipe section and the drainage node to obtain a complete virtual drainage system data set. According to the method, on the premise of not depending on real drainage pipe network data, computable expression of an urban drainage system structure is achieved, the requirement of rainfall flood simulation for basic data completeness is remarkably reduced, the consistency and repeatability of the modeling process are improved, and the modeling efficiency is improved. And a technical path with engineering feasibility is provided for carrying out urban inland inundation simulation and risk assessment in an area with drainage pipe network data loss or large research scale.
Owner:SICHUAN UNIV

Method for recovering power facility of data center

Disclosed in one embodiment of the present disclosure is a power facility management method of a data center for maintaining data center availability. The method may comprise the steps of: constructing a monitoring system by virtual modeling of components of a power facility for supplying power to data center equipment; monitoring the power facility through the monitoring system; recognizing and identifying a problem-occurrence component on the basis of the monitoring of the power facility; and generating a recovery power supply path by searching for a power supply path from the power facility to the data center equipment in order to recover power supply to the data center equipment.
Owner:KT CLOUD CO LTD

Vehicle door testing method and vehicle door testing system

The invention provides a vehicle door test method and a vehicle door test system, and relates to the technical field of obstacle detection. The method comprises the following steps: performing simulation processing based on a vehicle door system simulation model of a vehicle in response to a test instruction to obtain a vehicle door control logic; controlling a vehicle door of the vehicle to execute operation based on the vehicle door control logic, and acquiring a state signal in the process of executing the operation by the vehicle door; determining the state of the vehicle door based on the state signal and a preset test duration; and performing simulation processing again based on the vehicle door system simulation model of the vehicle and the state of the vehicle door to obtain a new vehicle door control logic, and controlling the vehicle door to execute operation based on the new vehicle door control logic until the vehicle door test is completed. According to the method, a full-link closed loop from virtual modeling to physical execution is constructed, so that the integrity and the traceability of the test are improved, and the function verification capability and the safety of the vehicle door system are also improved.
Owner:CRRC TANGSHAN CO LTD

Switch cabinet maintenance system based on virtual reality technology

The invention discloses a switch cabinet maintenance system based on a virtual reality technology, which comprises a main control module, a virtual building module, an external detection module, a device detection module, an access detection module, a terminal detection module and a virtual maintenance module, and is characterized in that the virtual building module collects real scene data of a switch cabinet and builds a virtual model; according to the invention, the virtual switch cabinet is built through the virtual reality technology, the external structure of the switch cabinet is checked, the damaged position is determined, the maintenance position is continuously reduced, and the internal electrical components, paths, wiring terminals and grounding terminals are detected, so that the internal check is orderly and efficient. The switch cabinet is optimally used virtually, and the damage condition is simulated, so that people can determine the position needing to be overhauled from the detection of the virtual switch cabinet and predict the possible damage in the future, the overhaul information can be mastered more comprehensively, and the overhaul is helped.
Owner:HAINAN ELECTRIC POWER SCHOOL (HAINAN ELECTRIC POWER TECH SCHOOL)

A sea-sky integrated safety production method

The application provides a sea-sky integrated safe production method, comprising the following steps: collecting a sea operation environment to obtain sea operation environment data; transmitting the sea operation environment data through a sea-land-sky-ground integrated basic network; performing sea virtual modeling on the sea operation environment data to obtain a sea environment model; introducing production factors into the sea environment model to perform production analysis and obtain a production scheme; and adjusting and controlling production equipment according to the production scheme to complete a production process. The application provides a sea-sky integrated safe production method, an offshore oil and gas exploration production public service platform based on an industrial internet, accelerates the layout of the industrial internet in irregular and complex production environments generated under field or offshore conditions, builds a new ecology of digitally driven offshore oil and gas exploration production, and meets the requirements of lean and safe production.
Owner:CHINA OILFIELD SERVICES LTD

3D ground surface modeling method and system for farmland scene

The application discloses a 3D GS modeling method and system for farmland scenes, and belongs to the technical field of virtual modeling. The method comprises the following steps: acquiring an RGB image set of a target farmland carrying camera pose information, performing feature extraction and semantic segmentation on the RGB image set, and generating an initial sparse point cloud and a target mask graph; a multi-view voting mechanism is constructed, semantic information of the target mask graph is mapped into the initial sparse point cloud, a covering label is given to each three-dimensional point, a sparse point cloud set is generated, and the sparse point cloud set is divided into a plurality of semantic subsets; a layered Gaussian initialization strategy is configured, Gaussian merging is performed on different semantic subsets, a layered initialized 3D Gaussian set is generated, a control threshold and an optimization weight are configured, regional parallel optimization is performed, and a layered farmland model is generated; a monitoring area is divided for the target farmland, local supplementary collection is performed, a change area is identified and locally optimized, and thus the layered farmland model is locally updated.
Owner:SHANGHAI AITAO INFORMATION TECH DEV CO LTD

Tightening machine traction control method and system based on discrete method and considering thermal coupling

The invention discloses a stringing machine traction control method and system based on a discrete method and considering thermal-mechanical coupling, and the method comprises the steps: firstly collecting the operation state data of an electric stringing machine in real time, constructing a virtual scene containing a person, a machine, an object and an environment in combination with a real scene, and integrating the data to form a digital twin system; constructing a wire traction force control algorithm based on a discrete method and considering thermal-mechanical coupling, and obtaining an ideal control quantity through virtual simulation of a digital twin system; and finally, adjusting the actual control quantity according to the ideal control quantity to realize traction force control of the electric wire tightening machine. According to the method, the operation data of the wire tightening machine are collected, virtual modeling is carried out in combination with a real scene, the characteristics and change rules of a physical entity are simulated and predicted, a control algorithm based on a discrete method and considering thermal-mechanical coupling is constructed, the wire expansion phenomenon caused by temperature change is calculated, temperature-tension-deformation collaborative feedback is achieved, and the temperature-tension-deformation collaborative feedback performance is improved. And the traction control accuracy of the wire tightening machine is ensured.
Owner:ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC

Power equipment intelligent operation and maintenance decision-making method and system based on AR and Internet of Things

The invention provides a power equipment intelligent operation and maintenance decision-making method and system based on AR and Internet of Things, and relates to the technical field of power communication equipment operation and maintenance. According to the method, real-time operation and environment parameters of equipment are acquired through an Internet of Things sensor, and preprocessing is performed in combination with third-party system data; a hierarchical modeling strategy is adopted to construct an AR virtual model, BIM and GIS data are integrated, and PBR rendering and SLAM technologies are applied to realize accurate virtual-real alignment; constructing an equipment health degree evaluation model, and identifying an abnormal state through a convolutional neural network; generating an operation and maintenance decision scheme including first-aid repair, inspection, maintenance and spare part allocation; the AR terminal provides visual operation guidance and remote assistance; and acquiring execution data to optimize the evaluation model and the decision rule. The system comprises an Internet of Things data acquisition module, an AR virtual modeling module, an intelligent evaluation module, an operation and maintenance decision module, an AR interactive execution module, a feedback optimization module, a safety protection module and a data storage module. According to the invention, intelligentization and visualization of power equipment operation and maintenance are realized, and the operation and maintenance efficiency and accuracy are improved.
Owner:CHINA YANGTZE POWER

Model making and developing method and device based on unreal engine, medium and product

The embodiment of the invention relates to the technical field of model making, and discloses a model making and developing method and device based on an unreal engine, a medium and a product. The method comprises the following steps: acquiring GIS location data, wherein the GIS location data comprises location edge position coordinates and GIS data for depth rendering; using a vector cross multiplication algorithm to extract drawable point locations in the GIS location data and compiling the drawable point locations into groups; making a location model at a corresponding position in the scene through the data set capable of drawing the point location, and dynamically controlling the material of the location model; and dynamically carrying out secondary processing on the location model according to the positions of different data sequences by using a user-defined rendering depth function in an unreal engine. The method can be at least used for solving the problem of low virtual modeling efficiency of large-scale GIS zone bit data.
Owner:TUS CLOUD CONTROL (BEIJING) TECH LTD