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667 results about "Model building" patented technology

In particle physics, the term model building refers to a construction of new quantum field theories beyond the Standard Model that have certain features making them attractive theoretically or for possible observations in the near future. If the model building physicist uses the tools of string theory, he or she is called "superstring model builder".

Engineering construction digital project management method and system

The invention relates to the technical field of engineering progress management, in particular to an engineering construction digital project management method and system, and the method comprises the steps: database building, real-time data collection, and model building: generating a visual construction progress model; progress deviation judgment: calculating progress deviation and performing judgment; deviation analysis: calculating a resource gap of an affected process, and generating a resource allocation priority list; resource adjustment: pushing an adjustment instruction to the construction terminal according to the priority list; simulation: simulating the adjusted construction progress, and if the deviation is not eliminated, executing a redistribution step; redistribution: executing the deviation analysis step again; and optimization: optimizing subsequent project progress plan generation logic. The system comprises a database building module, a real-time data acquisition module, a model building module, a progress deviation judgment module, a deviation analysis module, a simulation module, a redistribution module and an optimization module. The method and the device have the effect of facilitating fine management of the engineering project.
Owner:济南崇道智能科技有限公司

Engineering information management system based on BIM

A BIM-based engineering information management system of the present invention relates to the field of constructional engineering informatization management, and comprises a data processing module, a model construction module, a block chain evidence storage module, a verification module, a data fusion module and an authority management module. The data processing module receives original engineering data and generates a structured data signal. And the model construction module generates a BIM model according to the structured data signal. And the block chain evidence storage module encrypts and stores the metadata signal, generates an evidence storage completion signal and feeds back the evidence storage completion signal to the model construction module. And the verification module analyzes the dynamic operation log signal, and generates a risk early warning signal and a repair suggestion signal when abnormality is detected. And the data fusion module generates a fusion data signal, transmits the fusion data signal to the model construction module and triggers BIM model updating. And the authority management module adjusts the user authority according to the risk early warning signal. According to the invention, the problems of data islands, safety risks, low cooperation efficiency and insufficient intelligence in engineering information management can be solved.
Owner:临沂市金明寓建筑科技有限公司

Dynamic optimization system for energy consumption of refrigeration house based on digital twinning

A dynamic optimization system for energy consumption of a refrigeration house based on digital twinning is characterized by comprising a data acquisition module used for acquiring basic structure data of the refrigeration house, technical parameters of a refrigeration system, real-time operation data and historical operation data, preprocessing the data and then outputting a standardized multi-dimensional real-time data stream; the model construction module is used for constructing a 3D geometric model, a thermodynamic transfer model and a refrigeration system mathematical model according to the multi-dimensional real-time data flow, performing machine learning calibration on model parameters through historical operation data, and performing fusion to construct a refrigeration house digital twin model; the prediction analysis module is used for predicting future energy consumption demand and load change according to the refrigeration house digital twin model and the real-time operation data, and outputting an energy consumption prediction result and a load analysis report; a strategy generation module; an execution feedback module; and a learning optimization module. Overall energy consumption of the refrigeration house is reduced, energy utilization efficiency is remarkably improved, and goods storage safety is guaranteed.
Owner:NANTONG BAOXUE REFRIGERATION EQUIP CO LTD

Method and system for quickly constructing three-dimensional space model of multi-level building

The invention discloses a rapid construction method and system for a three-dimensional space model of a multi-level building, and relates to the field of building model construction, and the method comprises the following operation steps: S1, constructing a dynamic demand-oriented detail level model; s2, automatic component modeling based on image segmentation; s3, performing multi-version difference judgment and model updating; and S4, cloud collaboration and load optimization. According to the method and the system for quickly constructing the three-dimensional space model of the multilevel building, the region is dynamically divided through the semantic weight, so that the rendering efficiency during model construction can be effectively improved, the memory can be effectively reduced during rendering, the visual fidelity can be optimized, key curvature characteristics can be forcibly reserved for a high semantic weight region, and the construction efficiency is improved. Based on this, deformation distortion caused by simplification can be avoided, a visible area in the model can be automatically identified, an invisible area can be degraded, only the contour line frame of the building is reserved, and the overall memory occupation can be greatly reduced.
Owner:HUZHOU ZHONGHE SURVEY CO LTD

Point cloud building component modeling method and system based on feature extraction

The invention relates to the technical field of three-dimensional modeling in engineering surveying, in particular to a point cloud building component modeling method and system based on feature extraction. Three-dimensional point cloud data of building components are obtained, a multi-scale local neighborhood calculation covariance matrix is constructed with each point as the center, eigenvalues are decomposed, an edge probability graph is generated, corresponding component categories are semantically output, and corresponding key feature point sets are screened; taking the feature point cloud as a control point, constructing a three-level B-spline surface model, and adjusting the corresponding spatial distribution density; a weighted complete graph is formed through a key feature point set, a non-planar area is identified and processed through a Kurtowski theorem, a QEM algorithm is applied to carry out lightweight processing on a three-dimensional model, screening and optimization are carried out through automatically extracting key feature points of building components, and a concise and accurate lightweight model is constructed based on feature point topological optimization and a graph theory algorithm. The automation degree and efficiency of modeling are improved, and the contradiction between model lightweight and precision is effectively solved.
Owner:CHINA CONSTR DONGFANG DECORATION CO LTD

Building construction simulation model construction method and system based on BIM model

The invention relates to the field of building construction simulation, in particular to a building construction simulation model construction method and system based on a BIM model. The method comprises the following steps of obtaining a multi-source design material of a building project, and performing BIM format heterogeneous conversion so as to generate multi-source heterogeneous conversion BIM data; generating a plurality of component independent sub-models based on the multi-source heterogeneous conversion BIM data; according to the multiple component independent sub-models, building component space position positioning calculation is carried out one by one, global BIM modeling is carried out, and a building global BIM model is constructed; performing inter-component structure collision identification on the building global BIM model, and performing collision conflict optimization so as to construct a conflict optimization BIM model; building construction behaviors are analyzed one by one based on the multi-source heterogeneous conversion BIM data, then construction sequential sequence fitting is conducted, and a construction process behavior sequence is constructed. Through efficient and refined building construction simulation model construction, the construction efficiency is improved, and construction resource allocation is optimized.
Owner:SHENZHEN CHENGZHUO ARCHITECTURAL DECORATION DESIGN CO LTD

Self-adaptive pressure regulation vacuum pump closed-loop control system and method

The invention relates to a self-adaptive pressure regulation vacuum pump closed-loop control system and method. The system comprises a model building module which is used for acquiring real-time data flow of a vacuum pump and building a nonlinear dynamic model to obtain a pressure-flow-power feature mapping relation; the predictive analysis module calculates a pressure-flow predictive value based on the relationship and compares the pressure-flow predictive value with the real-time power data for analysis. And generating a parameter adjustment instruction once the deviation value exceeds a preset threshold value. And the control scheme generation module corrects the control parameters according to the parameter adjustment instruction and generates an optimized power adjustment scheme. And if the data is abnormal, generating a state update value. And the control scheme updating module fuses the state updating value and the pressure-flow prediction value to obtain an optimized model parameter so as to adjust a weight coefficient of an adaptive control strategy and generate a control scheme. The system effectively improves the accuracy of vacuum pump pressure control, greatly enhances the ability of the system to deal with abnormal conditions and equipment performance changes, and ensures long-term stable operation of the vacuum pump.
Owner:QINGDAO QICHENG ENERGY SAVING EQUIP CO LTD

Method for constructing prediction model based on dynamic gating and cross-modal attention fusion

The invention provides a construction method of a prediction model based on dynamic gating and cross-modal attention fusion, and belongs to the technical field of model construction. Comprising the following steps: constructing a feature coding layer, and respectively coding multi-source input data to obtain each modal feature vector; constructing a multi-source data interaction layer, and performing deep interaction on each modal feature vector; and finally, carrying out weighted fusion on the main modal features and the cross-modal interaction features based on a dynamic gating mechanism. Constructing a feature fusion layer, and performing time sequence pooling and full-connection fusion on the interacted multi-modal features to obtain a fusion feature vector; and constructing a quantile regression layer, and outputting a prediction result based on the fusion feature vector. According to the method, the prediction model is constructed by fusing the dynamic gating mechanism and the cross-modal attention mechanism, so that the problems of an existing prediction model in the aspects of deep fusion of multi-source heterogeneous data, cross-modal dynamic interaction and accurate quantification of tail risks are solved, and then efficient prediction of stock price collapse risks is realized.
Owner:DALIAN UNIV OF TECH

Parameterized BIM modeling method

The invention relates to the technical field of building information modeling, and discloses a parameterized BIM modeling method, which comprises the following steps: step 1, acquiring specific design parameters of a modeling object in a project design requirement, marking key geometric parameters of the object, including length, width, height, volume and material characteristics, and defining units, physical meanings and application ranges of the parameters in a marking process, a basis is provided for subsequent entity model construction; and 2, based on the geometric parameters marked in the step 1, a solid model is constructed through a BIM modeling tool, and the solid model is a visual model with the shape, the size and the position determined through the geometric parameters in a three-dimensional space. The three-dimensional BIM model is dynamically generated and modified by modifying geometric parameters, model construction is more flexible and efficient due to introduction of parameterization logic, automatic adjustment and rapid iteration of the model are achieved, and the reusability of BIM modeling and the design efficiency of the building model are remarkably improved.
Owner:JIANGXI ZHONGWEI CONSTR GRP CO LTD

Model construction method and system based on indoor decoration interactive design

The invention discloses a model construction method and system based on indoor decoration interactive design, and relates to the technical field of intelligent design, and the method comprises the steps: generating a diversified design sketch through an AI generation tool, collecting customer feedback data, determining customer demands, and generating a basic design scheme; creating an interactive ecology home 3D model by using a parameterized design tool, and adjusting a basic design scheme according to customer requirements; based on the adjusted basic design scheme, optimizing visual requirements of the basic design scheme through a V-Ray rendering engine; based on visual requirements, acoustic simulation software and a sensor are utilized to analyze spatial acoustic performance, ecological integration is completed, and intelligent control and AR interaction of an ecological environment are performed in combination with IoT and a user interface. According to the method, the interactive ecology home 3D model is combined with the AI generation tool, the parametric design, the V-Ray rendering engine, the biological feedback technology, the acoustic simulation software and the IoT and AR application, so that an efficient, flexible and personalized design process is realized.
Owner:SHENZHEN YEZHIZHE INFORMATION TECHNOLOGY CO LTD

Earthquake first arrival pickup deep learning method based on attention mechanism and hybrid expert strategy

The invention relates to the technical field of seismic signal detection, in particular to a seismic first arrival pick-up deep learning method based on an attention mechanism and a hybrid expert strategy, which comprises three steps of model building, a training stage and first arrival prediction. The core components of the model comprise a front-end feature extraction module, a hybrid expert module and a time domain decoding module. According to the invention, a more efficient expert routing mechanism is adopted in the network to reduce calculation redundancy, a more optimized load balancing strategy is used to improve training stability, and quantification and sparse technologies are combined to further reduce calculation and storage cost. According to the method, high-precision seismic first arrival pickup can still be kept under the conditions of complex seismic phase superposition and regional noise interference, high adaptability and generalization ability to various scenes are achieved, and the computing resource occupancy rate and cost can be greatly reduced under a large number of model parameters.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Model construction method and device based on panorama, point cloud and BIM, equipment and medium

The invention relates to the technical field of three-dimensional modeling, and discloses a panorama, point cloud and BIM-based model construction method, which comprises the following steps: acquiring multi-view point cloud data of a building, and aligning the multi-view point cloud data to the same coordinate system to obtain three-dimensional point cloud data; acquiring a plurality of panoramic images of the building, and splicing the plurality of panoramic images according to the feature points of the panoramic images to construct three-dimensional panoramic image data; performing standardization processing on the three-dimensional point cloud data and the panoramic image data to obtain standard point cloud data and standard panoramic image data; and obtaining building information model data from preset BIM software, and fusing the standard point cloud data, the standard panoramic image data and the building information model data based on a preset space coordinate system to construct a unified three-dimensional building model. The invention further provides a model construction device and equipment based on the panorama, the point cloud and the BIM and a storage medium. According to the invention, the accuracy of the constructed three-dimensional model can be improved.
Owner:SHENZHEN YUANJING DIGITAL TECHNOLOGY CO LTD

Smart park facility predictive maintenance system based on digital twinborn technology

The invention discloses a smart park facility predictive maintenance system based on a digital twinborn technology, and relates to the field of smart park facility maintenance. Comprising a data acquisition module, a preprocessing module, a digital twin model construction module, a fault prediction module, a maintenance decision module, a maintenance resource management module, a user interaction module, a system management module, a spatio-temporal data analysis and prediction module and a social-technical system fusion module. The method comprises the following steps: collecting and fusing a risk-dependent frequency modulation rate of quantum sensing, improving speed and precision by means of quantum calculation, fusing a digital twin model into a meta-universe concept and an intelligent agent, predicting a fault by combining quantum machine learning and causal inference, optimizing a maintenance decision based on a game theory and reinforcement learning, and managing resources by using a block chain-Internet of Things fusion technology. The invention discloses a brain-computer interface and holographic projection interaction and quantum encryption dual-protection management system. The system is accurate in data acquisition, vivid in model construction, accurate in fault prediction, scientific in maintenance decision, efficient in resource management, immersive in interactive experience and safe and stable in system, and ensures stable operation of park facilities.
Owner:ANQING MUNICIPAL ZHENGTONG DIGITAL TECHNOLOGY SERVICE CO LTD

Generative large model-based digital twin three-dimensional model construction method

The invention provides a digital twin three-dimensional model construction method based on a generative large model, and the method comprises the steps: obtaining multi-source monitoring data of a power distribution network, and processing the multi-source monitoring data into a training data set; the method comprises the following steps: mapping multi-source monitoring data into a multi-scale tensor subspace through tensor wavelet structured transformation, adaptively extracting spatial features through a learnable wavelet kernel, and keeping the structural continuity of a physical field in combination with a geometric prior regular term; constructing and training a generative adversarial network through a training data set; inputting and analyzing the physical parameter vector of the target scene, and if the topological similarity score is lower than a preset threshold value, adjusting noise vector regeneration; and if yes, outputting a three-dimensional model tensor and importing the three-dimensional model tensor into a digital twin platform, and driving real-time physical field visualization. According to the method, characteristics of a multi-scale space structure and a nonlinear physical field can be reserved, the physical rationality and generalization ability of the generated model are remarkably improved, and depth identification of topological attributes (such as hole connectivity and surface defects) and local geometric defects of the three-dimensional model is realized.
Owner:ZHENGZHOU DONGZE DIGITAL TECHNOLOGY CO LTD

Construction method and system of rock-soil shear strength parameter prediction model

The invention provides a construction method and system of a rock-soil shear strength parameter prediction model, and relates to the technical field of model construction.The construction method comprises the steps that CT scanning data of a real rock-soil sample is obtained and preprocessed, and an irregular three-dimensional particle set for geometric modeling is obtained; performing particle surface roughness modeling analysis on the three-dimensional particle body set to obtain a surface roughness coefficient set of the three-dimensional particle body set; performing particle size cumulative distribution function segmentation processing and fractal dimension control on the surface roughness coefficient set to obtain a structure grading sample set; constructing a THMC multi-field coupling model based on the structure grading sample set to obtain a working condition particulate matter physical response parameter set; and performing a simulation experiment on the working condition particle physical response parameter set, and performing deep neural network modeling processing based on an experiment result to obtain a strength response model capable of predicting the cohesive force and the internal friction angle of the rock-soil body under any working condition input. According to the invention, the prediction efficiency and accuracy are significantly improved.
Owner:SOUTHWEST JIAOTONG UNIV

Real-time prediction method for three-dimensional stress field in deep tunnel excavation physical simulation test

The invention provides a deep tunnel excavation physical simulation test three-dimensional stress field real-time prediction method, and relates to the technical field of tunnel engineering. Comprising two stages of model construction and training and model use. In the model construction and training stage, a physical constraint reference model is constructed, and training optimization is completed; and in the model use stage, real-time prediction of a stress field of a deep engineering physical simulation test is realized through the trained and optimized model. The method has breakthrough advantages in the aspects of physical law constraint, real-time monitoring data fusion, training loss stability, boundary stress condition accuracy and the like, and is a high-reliability three-dimensional stress field prediction method oriented to a deep complex environment.
Owner:NORTHEASTERN UNIV CHINA

CO2 storage multi-field coupling safety evaluation method considering crack evolution

The invention discloses a CO2 storage multi-field coupling safety evaluation method considering fracture evolution, and relates to the technical field of complex oil and gas reservoir development, and the CO2 storage multi-field coupling safety evaluation method comprises the following steps: s1, constructing and solving a multi-field coupling model; s2, virtual crack grid construction and expansion: according to the updated model stress field parameters, judging whether cracks are generated or not, and if so, constructing and expanding a corresponding virtual crack grid; s3, evaluating the integrity of the cover layer: after each time step is finished, evaluating the integrity of the cover layer; and continuing numerical simulation of the next time step until the simulation is finished. According to the method, comprehensive coupling of multiple physical fields such as crack generation and expansion, CO2 seepage, heat transfer between the injected CO2 fluid and the reservoir and between the injected CO2 fluid and the reservoir fluid, geological stress redistribution and the like in the CO2 storage process is fully considered, so that the spatial and temporal change of each physical field in the reservoir in the CO2 injection process can be truly represented, the simulation precision is greatly improved, and the simulation efficiency is improved. And the uncertainty caused by fixed parameters or simplified processing is effectively reduced.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Multi-device cooperative control system and method for intelligent capsule bin of construction site

The invention discloses a multi-device cooperative control system and method for a construction site intelligent capsule bin, and relates to the technical field of industrial control, and the system comprises a data interface layer, a model construction module, a situation prediction module, a cooperative control unit, a self-adaptive cooperative optimization module, and a safety helmet positioning module. The method comprises a model construction step, a data acquisition step, a simulation prediction step, a situation judgment step, a cooperative control step and a self-adaptive cooperative optimization step. According to the method, unified data fusion and cooperative control are carried out on various devices, dynamic adjustment and strategy optimization of the devices can be carried out in time according to the actual situation of the site, the resource scheduling efficiency is improved, and the utilization efficiency of data is improved.
Owner:SHANDONG CAIWANG CONSTR CO LTD

Three-dimensional visualization analysis method for real scene of ancient earthquake exploring groove

The invention provides a three-dimensional visualization analysis method for a real scene of an ancient earthquake exploring groove, which belongs to the technical field of seismic geological survey and comprises a data acquisition module used for acquiring point cloud data of target exploring grooves in different regions. And the model building module is used for carrying out scene format conversion on the point cloud data of the target exploring grooves in different regions, and carrying out exploring groove three-dimensional model building by utilizing the converted SLPK file. And the visualization module is used for carrying out live-action three-dimensional display on the three-dimensional models of the target probe grooves in different regions through a three-dimensional scene Web server based on the SLPK files in different regions, and rendering node data of different detail levels of the probe grooves according to user requirements. The ancient earthquake event can be better understood, and a reliable three-dimensional digital file and a new shared analysis normal form are provided for the ancient earthquake.
Owner:CHINA EARTHQUAKE DISASTER PREVENTION CENT

Multi-precision dynamic loading and performance optimization rendering method for hydroelectric generating set model

The invention discloses a multi-precision dynamic loading and performance optimization rendering method for a hydroelectric generating set model. The method comprises three stages of multi-precision model construction, multi-precision model dynamic loading and rejection, and adaptive rendering optimization. And a multi-precision model construction stage: performing component extraction on the original model file to generate high, medium and low resolution multi-precision models, and converting the models into a GLTF format to improve the loading efficiency. And a dynamic loading and rejecting stage: reading the multi-precision GLTF file, generating a geometric model by applying the conversion matrix, constructing an LOD model according to the sight distance, and rejecting only the visible part in the loading visual field through a view cone to reduce the rendering calculation amount. And an adaptive rendering optimization stage: monitoring the frame rate in real time, dynamically adjusting the resolution when the frame rate is relatively low, simplifying material illumination, forbidding special effects such as shadow and the like, ensuring stable rendering performance, and finally outputting an optimized three-dimensional scene. According to the method, the rendering speed and fluency of the water turbine model are remarkably improved, and the method is suitable for the real-time visualization requirement of a complex three-dimensional scene.
Owner:HOHAI UNIV +1

BNCT digital twinborn model construction and dynamic optimization method, equipment and medium

The invention relates to the technical field of data processing, and discloses a BNCT digital twinborn model construction method, a BNCT digital twinborn model dynamic optimization method, BNCT digital twinborn model dynamic optimization equipment and a medium, and the construction method comprises the following steps: carrying out data assimilation processing on obtained multi-physical field simulation data to generate equivalent measured data matched with physical characteristics of historical measured data, generating a data assimilation training set based on the historical measured data and the equivalent measured data; wherein the multi-physical field simulation data represents simulation data of the accelerator and the beam shaping device in various physical processes; based on the data assimilation training set, a first sub-model used for representing the physical process of the accelerator and a second sub-model used for representing the neutron beam analysis process are obtained through training; and constructing the BNCT digital twinborn model according to the first sub-model and the second sub-model obtained by training. According to the technical scheme provided by the invention, the calculation precision and the processing complexity of the BNCT digital twin system can be improved, and real-time response is ensured.
Owner:HUABORON NEUTRON TECH (HANGZHOU) CO LTD

Tunnel boring machine performance prediction and monitoring system based on digital twinning and machine learning

The invention discloses a tunnel boring machine performance prediction and monitoring system and method based on digital twinning and machine learning. The system comprises a data acquisition module, a data preprocessing module, a model construction module, a performance analysis module and a visual analysis module. The data acquisition module is used for acquiring initial data of a tunnel boring machine on a construction site; the data preprocessing module is used for preprocessing the initial data to obtain preprocessed data; the model construction module constructs a prediction model and a digital twinborn model of the tunnel boring machine based on the preprocessed data; the performance analysis module predicts the tunneling speed and the propelling speed of the tunnel boring machine by using the prediction model to obtain a prediction result, and integrates the prediction result with the digital twinborn model; and the visual analysis module is used for constructing a virtual environment and checking the construction progress and the performance prediction result of the tunnel boring machine in real time in a digital twinborn model in the virtual environment.
Owner:CHINA UNIV OF MINING & TECH

Three-dimensional live-action model construction system for building structure demolition and reconstruction

The invention relates to the technical field of data processing, in particular to a three-dimensional live-action model construction system for building structure demolition and reconstruction. The system extracts event combinations with obvious transfer correlation features for localization and analysis of dangerous sound sources. Through simulation of transmission of test waves in an initial acoustic slowness field, a most probable dangerous sound source position for generating a current event combination under each test wave is obtained by using an objective function optimization solution method. And further performing statistics on simulation information of all test waves, establishing a residual curve, screening out a brittleness event position based on feature extraction, and adjusting a slowness value in a current voxel through various parameters corresponding to the brittleness event position in an initial acoustic slowness field. Through the dynamic correction method, the obtained corrected acoustic slowness field can more effectively represent the specific change of the building structure in the dismantling process, so that the internal damage can be more clearly quantified.
Owner:MCC COMM CONSTR GRP CO LTD

PINN model construction method for electrothermal coupling dynamic energy flow calculation and related device

The invention belongs to the technical field of electrothermal coupling system modeling, and discloses a PINN model construction method for electrothermal coupling dynamic energy flow calculation and a related device. The PINN model construction method comprises the following steps: acquiring an electrothermal coupling branch model; a deep neural network is constructed to serve as a main body of a PINN model, and the deep neural network is used for inputting related electric heating input parameters in the electric heating coupling branch model and outputting a predicted electric heating coupling dynamic energy flow result; and training the PINN model based on a defined loss function by adopting a pre-acquired training data set, and after a preset convergence condition is reached, obtaining a constructed PINN model for electrothermal coupling dynamic energy flow calculation. In the technical scheme disclosed by the invention, the weight value of each constraint rule in the loss function of the PINN model is calculated through the special parameter training network, so that the solving precision of the partial differential equation set can be improved.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD

Cross-modal large model construction method and system based on track spatio-temporal characteristics

The invention discloses a cross-modal large model construction method and system based on track spatio-temporal characteristics, and belongs to the crossing field of artificial intelligence and dynamic spatio-temporal data processing, and the method comprises the steps: carrying out the sliding sampling and spatial distribution difference judgment through the semantic dynamic segmentation of multi-scale track spatio-temporal data, and generating spatio-temporal data blocks with consistent semantics; designing a space-time encoder of a hybrid architecture, extracting track time sequence association and spatial features, and unifying dimensions; constructing a text space-time fusion mechanism, and dynamically adapting cross-modal features by means of an anchor interface and gating fusion; a staged instruction fine tuning strategy is adopted, semantic alignment of space-time and text features is optimized firstly, then model top-layer parameters are trained cooperatively, complex scene adaptation is enhanced in combination with instruction difficulty progression and hard sample mining, and space-time constraint regular terms are introduced to guarantee output rationality. According to the method, high-precision cross-modal reasoning capability is provided for scenes such as track analysis and track prediction.
Owner:10TH RES INST OF CETC

Coal seam fully-mechanized mining hydraulic support robot digital twinborn teaching system

The invention discloses a coal seam fully-mechanized mining hydraulic support robot digital twinborn teaching system, and relates to the technical field of coal industry teaching, and the system comprises the following components: a model construction module, a virtual simulation and operation module, a fault simulation and diagnosis module, a data interaction and remote monitoring module, and a teaching management and evaluation module. According to the invention, a comprehensive and systematized scheme is provided for the teaching of the coal seam fully-mechanized mining hydraulic support robot through integrating a plurality of modules of model construction, virtual simulation and operation, fault simulation and diagnosis, data interaction and remote monitoring, and teaching management and evaluation; students can perform operation practice and troubleshooting training of equipment in a virtual environment without contacting actual equipment, so that teaching cost is reduced, safety is improved, the system can feed back operation results and evaluation scores of the students in real time, teachers can know learning conditions of the students in time, targeted teaching guidance is performed, and teaching efficiency is improved. And the teaching effect and the learning efficiency are obviously improved.
Owner:贵州电子科技职业学院

Deep learning model building and forecasting method based on hydrological mechanism fusion

The invention relates to the technical field of water resource management and forecasting, in particular to a deep learning model building and forecasting method based on hydrological mechanism fusion. The method specifically comprises the following steps: constructing a snow melting calculation module and a soil calculation module, splicing to form a runoff production model, constructing a confluence calculation module, executing confluence evolution simulation of a calculation result of the runoff production module by using the confluence calculation module, and constructing a confluence model. In confluence model simulation calculation, according to the number of calculation units, a broadcast calculation strategy and an array-based ordinary differential equation solving method are adopted, parallel calculation of the multiple calculation units is achieved, and runoff production calculation results of the multiple units are obtained; and integrating and calculating runoff production calculation results of each unit through a confluence model to obtain a runoff prediction result of the modeled drainage basin after confluence. The method provided by the invention solves the problems of low model construction efficiency and poor practical application effect faced by the application of the deep learning technology in the hydrological model at present.
Owner:XIAN UNIV OF TECH

Double-track evaluation driving optimization processing method, device, equipment and medium

The invention relates to the technical field of model construction, can be applied to business scenes such as financial science and technology, and discloses a double-track evaluation driven optimization processing method, device and equipment and a medium, and the method comprises the steps: constructing a double-track evaluation system, analyzing training data, generating optimized training data, and building a target model; generating a capability index by utilizing a double-track evaluation system and multi-role agent simulation, and generating an alignment analysis result in combination with reinforcement learning performance; obtaining real service feedback indexes to form a training evaluation index set, and determining an attribution link; and generating training adjustment information based on the attribution link and driving the target model to be retrained to obtain an optimized target model for processing the service input data and outputting a service processing result. According to the method, the evaluation result and the service feedback are linked to realize a training closed loop, so that the capability gap of the model can be identified and corrected, and the compliance, the reliability and the application effect of the model in the actual service are improved.
Owner:PING AN TECH (SHENZHEN) CO LTD

Elevator safety detection system based on vision and multi-modal data fusion

The invention relates to the technical field of elevator safety monitoring, and discloses an elevator safety detection system based on vision and multi-modal data fusion, comprising: a data preprocessing module for collecting and preprocessing original multi-modal sensor data of elevator operation; the feature extraction module is used for identifying operation conditions and extracting multi-scale features for different conditions; the multi-modal fusion module is used for calculating the reliability coefficient of each modal and carrying out adaptive fusion; the anomaly detection module is used for extracting transient characteristics of working condition switching, carrying out anomaly judgment and mining an anomaly evolution trend; the sample enhancement module is used for extracting normal samples and rare fault samples, generating synthetic samples and performing quality screening; the model construction module is used for training a multi-level fault identifier and fusing a multi-modal feature library to carry out optimization learning; the intelligent early warning module is used for calculating a safety level and reasoning a fault reason and a disposal measure; accurate dynamic safety monitoring of the super high-rise building elevator under the extreme load switching working condition is achieved.
Owner:SHANDONG UNIV +1

A furnace temperature adaptive control system and method based on MPC

The invention relates to the technical field of temperature control, and discloses a furnace temperature adaptive control system and method based on MPC. A model building module builds a dynamic prediction model based on thermodynamic characteristics and kinetic characteristics; a data output module obtains historical operation data and outputs a future temperature change prediction table; a factor determination module analyzes the historical operation data and determines the temperature influence indirect factors and the temperature influence direct factors; a data calculation module calculates the degree value of the temperature influence factor; an update optimization module sets an adjustment coefficient based on the degree value of the temperature influence factor, updates and optimizes the future temperature change prediction table, and obtains a target future temperature change prediction table; a temperature control module performs furnace temperature adaptive control according to the target future temperature change prediction table, and can automatically adjust temperature control parameters according to changes in actual working conditions, thereby improving the adaptive ability, realizing high-precision and high-stability control of the furnace temperature, and improving product quality and production efficiency.
Owner:北方联合电力有限责任公司乌海热电厂