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735 results about "Model extraction" patented technology

Multi-modal semantic and physical law driven remote sensing image generation method

The invention discloses a multi-modal semantic and physical law driven remote sensing image generation method, belongs to the technical field of computer vision and remote sensing image generation, and aims to solve the problems of insufficient cross-modal semantic alignment, low reliability of a generation result and insufficient physical mechanism fusion. The four-stage method comprises the following steps: firstly, rejecting low-quality samples from original data and unifying a spatial scale; then, extracting a multi-modal semantic vector by adopting a BLIP model and a CLIP model, and introducing a remote sensing physical rule to carry out vector optimization; then position coding and physical constraint conditions are embedded in the submerged space, and multi-source information joint modeling is achieved through a cross-modal encoder; and finally, by taking text description, physical priori knowledge and diffusion time steps as joint conditions, performing de-noising reasoning based on a Transform architecture, and completing back diffusion reconstruction by means of a trans-attention mechanism. According to the method, physical rationality and semantic consistency are improved, and a more reliable technical normal form is provided for remote sensing image generation in the fields of disaster monitoring, military simulation and the like.
Owner:CHINA UNIV OF MINING & TECH +2

Building elevator detection, diagnosis and decision-making method based on graph retrieval enhanced agent

The invention discloses a building elevator detection, diagnosis and decision-making method based on a graph retrieval enhanced agent. The method comprises the steps that 1, elevator detection data are prepared and processed; step 2), knowledge extraction; step 3), knowledge fusion; step 4), visualization and optimization of the knowledge graph; 5) performing graph retrieval enhancement generation; step 6), diagnosing a decision-making agent; according to the method, triple information can be extracted from structural data, text data, visual data and other multi-modal data in the elevator detection field by guiding a multi-modal large model through an elevator detection technical specification, and an elevator detection visual target entity and a text named entity are automatically aligned based on a pre-trained vision-language model; the multi-modal knowledge graph in the field of elevator detection is accurately and efficiently generated, and building elevator detection intelligent diagnosis is carried out on the basis of the multi-modal knowledge graph and the fusion graph retrieval enhancement technology.
Owner:FUJIAN AGRI & FORESTRY UNIV

Defect identification method and device for substation equipment and electronic equipment

The invention provides a defect identification method and device for substation equipment and electronic equipment, and relates to the field of image identification. According to the method, an infrared image, an electric field leakage map and a visible light image are obtained through a multi-channel imaging system deployed in a substation site, and a multi-channel image tensor is generated and input into a multi-channel recognition model to extract fusion features. And fusing the features, inputting the fused features into a YOLOv8 backbone network, constructing a joint attention domain in combination with an equipment prior structure, generating a high-confidence candidate box, and performing non-maximum suppression to obtain a detection result. And constructing an inter-frame residual tensor for a detection result to perform time sequence modeling, thereby improving the detection effect. And for equipment with complex shielding, complementing a structure contour through an edge prediction path, and finally outputting target boundary and defect positioning information. By implementing the technical scheme provided by the invention, defect identification of the substation equipment is facilitated.
Owner:HUBEI CENT CHINA TECH DEV OF ELECTRIC POWER

Large model driving type API document automatic generation system oriented to legacy system

PendingCN121092211AProgram documentationBiological modelsPython (programming language)Model extraction
The invention provides a legacy system-oriented large-model-driven API document automatic generation system, belongs to the crossing field of artificial intelligence and software development, and provides a multi-modal data fusion and closed-loop verification mechanism aiming at the defects of a traditional API document generation method in the aspects of semantic comprehension, dynamic context capture and multi-technology stack adaptation. A code static feature and a dynamic track during operation are analyzed through a multi-source data acquisition module, and an interface semantic feature is extracted in combination with a field self-adaptive large model of a semantic enhancement analysis module; deducing an implicit service rule by fusing static / dynamic characteristics through a graph neural network, and generating a standardized document conforming to an OpenAPI specification through a parameterized template generative adversarial network (PT-GAN); and finally, performing three-level verification and closed-loop optimization through a sandbox environment. The method supports a heterogeneous system of 16 programming languages such as Java / C + + / Python, interface version changes can be automatically recognized, document patches are generated, the problems of missing and outdated system documents and low maintenance efficiency are solved, and maintainability and integration efficiency of enterprise-level systems are remarkably improved.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Digital modeling method, medium and equipment for enhancing connectivity of low-porosity rock core

The invention provides a digital modeling method for enhancing connectivity of a low-porosity rock core, a medium and equipment, and relates to the field of digital modeling of rock cores, and the method comprises the following steps: reconstructing a Gaussian random field based on SAXS data to obtain an initial model of a three-dimensional digital rock core pore structure; extracting pore center points of the initial model, and constructing an initial network connecting all the pore center points; based on a minimum spanning tree algorithm, identifying mutually isolated pore clusters in the initial network, and selecting a most efficient seepage path skeleton connected with the isolated clusters; based on the seepage path skeleton, constructing a throat with fractal characteristics; and according to the total volume of the throat, performing morphological corrosion operation on an original pore area in the initial model, embedding the constructed throat into the corroded model, and then performing controllable morphological expansion operation until the volume variation of the final model is smaller than a preset error threshold. According to the method, the reconstruction precision of the digital rock core in microstructure and macroscopic connectivity is effectively improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Machine vision equipment operation and maintenance cost analysis intelligent management method

The invention relates to the technical field of industrial equipment predictive maintenance and asset management, in particular to a machine vision equipment operation and maintenance cost analysis intelligent management method, which comprises the following steps of: acquiring equipment operation state, external environment and historical operation and maintenance work order data through a sensor group and an equipment log interface, and fusing and removing redundancy to form a multi-source data stream; static and dynamic features are extracted by using a pre-trained health state evaluation model and fused by means of an attention mechanism, and a real-time health state index in a 0-1 interval is output; constructing a dynamic cost prediction model, taking health related parameters, spare parts, manpower and depreciation cost as input, and predicting expected operation and maintenance cost of a specific time window in the future; establishing an optimization decision model by taking minimization of the total operation and maintenance cost and maximization of the equipment availability rate as double targets, and generating an optimal maintenance, spare part purchasing and scheduling scheme; and executing the scheme and acquiring actual data, comparing the actual data with a predicted value for feedback, and iteratively optimizing the core model. The operation and maintenance management accuracy and economy are improved, and the method is suitable for intelligent operation and maintenance of the machine vision equipment.
Owner:XIAMEN BOSHIYUAN MASCH VISION TECH CO LTD

Lithium battery life prediction method based on EMD framework

The invention relates to a lithium ion battery life prediction method, and belongs to the field of battery life prediction and intelligent maintenance. The method comprises the steps that S1, a battery capacity degradation sequence is collected, and integrity is checked and normalized; s2, decomposing the sequence by using an improved complete set empirical mode decomposition algorithm, and dividing the sequence into a high-frequency component and a low-frequency component according to a zero-crossing rate; s3, modeling the high-frequency component: fusing multi-scale channel interactive attention, a time sequence convolutional network and a hybrid expert model, and extracting short-term fluctuation and capacity recovery features; s4, modeling a low-frequency component: introducing a two-way gating circulation unit network constrained by a double-index degradation model, and simulating a long-term trend; and S5, constructing a high-frequency migration module through tensor decomposition, improving cross-battery generalization, and fusing high and low frequency results to output a residual life prediction value. According to the method, a dual-channel framework combining signal decomposition, deep learning and physical modeling is combined, the prediction precision and adaptability under complex degradation are improved, and the method is suitable for various battery systems.
Owner:王鑫

Reverse power protection monitoring method and system for grid-connected photovoltaic power station

The invention discloses a grid-connected photovoltaic power station reverse power protection monitoring method and system, and the method comprises the steps: collecting the time sequence data of each grid-connected node, and carrying out the normalization and time sequence alignment processing; inputting the standardized data into a TimesNet model, extracting time sequence features and predicting a reverse power risk; generating a mathematical expression through symbol regression in combination with historical abnormal data and model output; a protection strategy is generated according to the prediction result and the expression, and the linkage device executes and collects feedback; and the feedback data is used for updating the model and the expression, and a self-adaptive closed-loop control mechanism is constructed. According to the invention, by introducing the time sequence depth model and the symbol regression fusion method, accurate prediction and adaptive protection control of a reverse power event are realized.
Owner:STATE GRID JIBEI ELECTRIC POWER COMPANY LIMITED CHENGDE POWER SUPPLY +2

Archive structured information extraction method and system based on multi-modal large model, and medium

The invention relates to the technical field of natural language processing, in particular to an archive structured information extraction method and system based on a multi-modal large model and a medium, and the method comprises the following steps: S1, establishing a mapping table of fields to be extracted; s2, data annotation; s3, constructing a layout analysis model, an archive structured extraction model and an archive structured integration model; s4, screening key information pages based on the layout analysis model; s5, extracting single-page structured information based on an archive structured extraction model; and S6, based on the archive structured integration model, integrating single-page structured information results. Through application of the multi-modal large model, accurate layout analysis, strong structured extraction capability and efficient information integration are realized, automatic extraction and integration from archive image data to structured information are realized, manual intervention is reduced, and processing efficiency is improved.
Owner:HUNAN QINHAI DIGITAL

Knowledge graph generation method based on multi-source data integration

The invention discloses a knowledge graph generation method based on multi-source data integration, and relates to the technical field of knowledge graph generation. The method comprises the following steps: collecting multi-format data, and performing cleaning, standardization and desensitization preprocessing to ensure that the data is integrated; using the fusion model to extract entities and relationships, and adapting to multi-source data types; similarity is calculated in combination with multi-dimensional features, and entity alignment disambiguation is achieved; carrying out weighted fusion on multi-source knowledge to construct a triple, and processing relation conflicts; evaluating the quality of the atlas through multiple indexes; triggering conditions are set, incremental updating and version management are adopted, and dynamic iteration of the atlas is guaranteed. According to the method, the multi-source data preprocessing quality is improved, the entity recognition and alignment precision is enhanced, relation conflicts are solved, and a high-quality time sequence knowledge graph is constructed; incremental updating is efficient and energy-saving, version management is traceable, and multi-field dynamic application requirements are met.
Owner:SHANGHAI HONGJI INFORMATION TECH CO LTD

Intelligent marketing document generation device and method based on multi-source data fusion

The invention discloses an intelligent marketing document generation device and method based on multi-source data fusion. The method comprises four processes of user instruction analysis, regular cleaning, model parameter extraction, Neo4j knowledge graph verification and structured parameter output. External data acquisition: calling a Baidu large model to acquire data according to parameters, and screening high-quality data through duplicate removal, semantic enhancement and weighting; internal cases are processed, timed slicing cases are stored in a library, filtering, propagation calculation and multi-dimensional scoring are combined, and a CoT inference chain report is generated; and performing multi-modal output, adapting formats, integrating data by means of a BART model and outputting a document with metadata. The device and the method cooperate with each other, through multi-source fusion, knowledge graph association and multi-mode conversion, high-quality marketing documents adaptive to multiple industries are efficiently generated, support is provided for decision making, and enterprises are assisted to improve market response and output efficiency.
Owner:SHIQU INTERACTIVE (BEIJING) TECH CO LTD

Self-adaptive spraying mechanical arm based on multi-modal perception and control method thereof

The invention provides a self-adaptive spraying mechanical arm based on multi-mode perception and a control method of the self-adaptive spraying mechanical arm. The method comprises the steps that multi-source perception data of a to-be-repaired area is obtained through a dual-mode vision system and a laser scanning device, a two-dimensional repairing area segmentation map is generated, and space registration and local geometric modeling are achieved in combination with three-dimensional point cloud; on the basis of local geometric features extracted by the model, retrieving matched process parameters from the knowledge graph, generating a digital spraying instruction set containing tracks, postures and dynamic process parameters, and performing simulation verification in a digital twin environment; the mechanical arm state and the virtual model are synchronized in real time in the execution process, the paint film thickness is dynamically monitored, and compensation adjustment is triggered; and after spraying is completed, the coating quality is detected, and a result is fed back to the knowledge graph to update the parameter mapping relation. According to the method, closed-loop control from sensing, decision making, execution, evaluation to learning is achieved, and the spraying uniformity, the self-adaptability and the intelligent level under the complex working condition are improved.
Owner:NANJING HUAWEN YIXUN TECHNOLOGY CO LTD

Force sense feedback control method of intelligent mechanical arm and control system thereof

The invention discloses a force sense feedback control method for an intelligent mechanical arm, which comprises the following steps of: 1, acquiring data through a multi-modal sensor and fusing the data to obtain a multi-dimensional perception vector; 3, calculating a force sense tracking error and a change rate and triggering an event-driven control decision mechanism; 4, designing a nonlinear compensation control rule and outputting a control torque instruction, wherein a control system comprises a multi-mode sensing module, a dynamic prediction module, an event-driven control module and a cooperative calculation module; according to the method, multi-mode sensing information is fused with the lifting force sense representation capacity, advanced adjustment is achieved in combination with a dynamic force sense prediction mechanism, event-driven control is used for reducing calculation redundancy, robustness to complex interference is enhanced through a nonlinear compensation strategy, and finally high-precision and low-delay force sense control of the mechanical arm in a dynamic interaction scene is achieved.
Owner:ANSTEEL GROUP ALUMINIUM POWDER CO LTD +1

Subway key component fault detection method and system based on AI visual large model

The invention relates to the technical field of artificial intelligence and computer vision, discloses a subway key component fault detection method and system based on an AI visual large model, and aims to solve the problems of low detection precision, weak generalization ability, insufficient multi-mode understanding, poor real-time performance and lack of state evolution modeling in the prior art. The method comprises the following steps: acquiring images of key components through a multi-view industrial camera array, and performing distortion correction, illumination normalization and noise suppression; a pre-trained visual large model is utilized to extract deep space features, and modeling is carried out on a continuous frame feature sequence through bidirectional LSTM to capture a time sequence change trend. By introducing the large-scale visual large model and spatio-temporal joint modeling, the identification capability of tiny defects is improved, the discrimination stability is enhanced, high-precision and low-delay automatic detection is realized, the false alarm rate and the omission ratio are remarkably reduced, and the detection efficiency and the system maintainability are improved.
Owner:GUANGDONG HUANENG ELECTROMECHANICAL GRP CO LTD

Lithium ion battery life prediction method and collaborative driving model training method

The embodiment of the invention discloses a lithium ion battery life prediction method and a training method of a cooperative driving model. The prediction method comprises the following steps: acquiring a trained cooperative driving model and multi-modal data of a target battery; constructing a feature matrix including time sequence features, mechanism features and material features based on the multi-modal data; a weighted fusion vector is obtained based on the feature matrix by using a self-attention mechanism, and the weighted fusion vector is used as the input of a collaborative driving model; extracting mechanism features based on the mechanism model, and extracting data features based on a deep learning model; and obtaining a predicted life value of the target battery corresponding to the mechanism characteristic and the data characteristic based on the full connection layer. The defect that physical and chemical data in the battery and battery operation data are not fully utilized in a traditional lithium ion battery life prediction method is overcome, and the adaptive capacity and prediction precision of the prediction method under the dynamic working condition are improved.
Owner:天能新能源(湖州)有限公司

Production workshop carbon flow twin mapping method

The invention relates to a production workshop carbon flow twinborn mapping method, and belongs to the technical field of carbon emission optimization. The method comprises the steps of collecting production workshop data in real time to perform multi-modal data fusion; constructing a carbon flow dynamic accounting mechanism model, and calculating the real-time carbon emission intensity of the process; constructing a carbon flow intensity tensor model, extracting multi-granularity carbon flow features based on the carbon flow intensity tensor model, and realizing real-time digital twinborn deduction of carbon flow propagation by using an intelligent prediction algorithm; establishing a differential equation to describe double-flow real-time interaction of the carbon flow and the value flow, constructing a carbon value incidence matrix, and performing carbon flow value analysis; and on the basis of the carbon value incidence matrix, a space-time carbon chain-oriented cooperative adjustment strategy is dynamically generated through a multi-objective optimization algorithm, a double-layer topological optimization model is constructed, and a closed-loop feedback mechanism is introduced to drive the economic sustainability of the control strategy in an industrial environment. The workshop carbon footprint can be displayed in real time, the workshop carbon emission condition can be truly reflected, and the carbon emission data can be analyzed and optimized in time.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Command and control system resource trend prediction method based on fusion of long and short time sequence characteristics

The invention discloses a command and control system resource trend prediction method based on fusion of long and short time sequence characteristics. The method comprises the following steps: acquiring a public power load or similar time sequence monitoring data set, and preprocessing the data in the data set; a deep learning network model based on a TCN-Transformer hybrid model is constructed, a TCN model and a Transformer model are adopted for parallel computing to achieve feature extraction, the TCN model extracts short-term information, the Transformer model extracts long-term features, then fusion features are obtained through a cross attention mechanism and multi-layer perceptron (MLP) weighting, and finally prediction output is generated through full connection layer mapping. Taking data in the training set as input, training the constructed TCN-Transform hybrid model, and continuously optimizing the model until convergence meets a set requirement; and performing prediction by using the trained network model. According to the method, the TCN-Transform hybrid model is constructed, so that local fine-grained features are reserved, the global time trend is effectively captured, and the accuracy of command decision making is improved.
Owner:NANJING UNIV OF SCI & TECH

Self-adaptive dynamic control method and system for machining process of numerical control machine tool

The invention discloses a self-adaptive dynamic control method and system for the machining process of a numerical control machine tool, and relates to the field of intelligent control, and the method comprises the steps: collecting machining data in real time through physical and virtual sensors, and constructing a standardized data set after layering preprocessing; a CNN-LSTM hybrid model is utilized to extract spatial-temporal characteristics to realize working condition classification, and an NSGA-II algorithm is combined to solve a multi-objective optimization problem to generate an optimal control parameter solution set; parameters are dynamically adjusted through fuzzy PID, and a GRU model is adopted to predict machining errors for feed-forward compensation, so that closed-loop control of perception-decision-execution-feedback is formed. The system continuously monitors the actual machining deviation, parameters are optimized again when the actual machining deviation exceeds a threshold value, and cooperative improvement of machining precision and efficiency is achieved. The method has the advantages that NSGA-II multi-target optimization, fuzzy PID correction and GRU error prediction compensation are recognized through CNN-LSTM working conditions, closed-loop feedback iteration is combined, the machining precision and efficiency are improved in a balanced mode, the service life of a tool is prolonged, and the method is suitable for complex working conditions.
Owner:SHANDONG HUASHU INTELLIGENT TECH CO LTD

XY motion platform positioning error compensation method and system

The invention relates to the technical field of precise motion control, in particular to an XY motion platform positioning error compensation system and method, which extracts spatial-temporal characteristics through multi-modal data fusion and normalization processing in combination with a neural network hybrid model, and dynamically manages time sequence errors by using a forgetting gate, an input gate and an output gate. And a compensation parameter is updated by adopting an online adaptive training mechanism of error source classification. The problems that in the prior art, due to mechanical abrasion and thermal deformation of an encoder, precision is attenuated, nonlinear errors are difficult to process through a PID algorithm, pure vision positioning is prone to interference and complex in calibration, and an online learning mechanism is lacked can be effectively solved, the positioning comprehensive error is reduced to the micron order, the anti-interference robustness and the real-time compensation capacity of a system are improved, and the system reliability is improved. And the positioning precision and the production efficiency are obviously improved.
Owner:DONGGUAN PRECISION INTELLIGENT TECH CO LTD

Steel coil end face defect detection method and system, training method and electronic equipment

The invention discloses a steel coil end face defect detection method and system, a training method and electronic equipment, and the steel coil end face defect detection method comprises the steps: driving a two-dimensional image and three-dimensional point cloud collection equipment to synchronously scan the end face of a steel coil through a movement mechanism, and obtaining registered RGB-D multi-modal data; inputting the data into a special detection model, extracting surface texture and geometric structure features, performing dynamic weighted fusion through channel splicing and a cross-modal attention mechanism, and outputting a suspected defect result containing defect types, positions, three-dimensional depth information and confidence; and carrying out geometric feature consistency verification on the suspected defect by combining the original point cloud, and finally determining a real defect. According to the model, deep synergy of texture and geometric features is innovatively realized, the recognition accuracy and robustness of complex defects such as micro cracks and recesses under reflection interference are remarkably improved, and meanwhile, the detection efficiency is guaranteed.
Owner:上海研视信息科技有限公司

Multi-target tracking method, system, device, medium and product

The invention discloses a multi-target tracking method, system and device, a medium and a product, and relates to the technical field of computer graphic vision, and the method comprises the steps: based on a plurality of single-view two-dimensional images, employing a lightweight key point detection model to extract human body two-dimensional key point coordinates under different views; based on the camera parameters corresponding to different visual angles and the human body two-dimensional key point coordinates under different visual angles, performing three-dimensional reconstruction on the human body key points by using a triangulation method to obtain a three-dimensional reconstruction model; projecting the three-dimensional reconstruction model, and determining a projection frame corresponding to each target in the tracked area; and a tracking algorithm and Kalman filtering are combined to complete real-time tracking of a plurality of targets in the tracked area. According to the method, the three-dimensional target tracking problem is reduced into the two-dimensional target tracking problem based on the projection frame of the three-dimensional reconstruction model relative to the horizontal plane, the accuracy and robustness of the model can be improved in a multi-target tracking scene, and meanwhile, the calculation amount is reduced.
Owner:BEIJING JINGCAI INTELLIGENT TECH CO LTD

Park enterprise space performance evaluation method and system based on machine learning AI model

The invention relates to the technical field of data analysis, and particularly provides a park enterprise space efficiency evaluation method and system based on a machine learning AI model, and the method comprises the steps: collecting space efficiency correlation parameters including a space utilization parameter, an economic energy efficiency parameter, an innovative output parameter, a shared resource consumption parameter and a collaborative correlation parameter; constructing a space efficiency evaluation model, extracting basic indexes and value-added indexes, training the model by taking industry characteristics as constraints, and outputting an evaluation result; generating spatial configuration schemes such as spatial layout optimization and resource allocation adaptation; and monitoring dynamic parameters in real time, and dynamically optimizing an evaluation result and a configuration scheme through a hierarchical correction strategy. According to the method, the problems of single index, static solidification, insufficient industry adaptation, closed-loop deficiency and the like in the prior art are solved, full-dimension accurate evaluation and dynamic optimization of space efficiency are realized, the feasibility of a configuration scheme and the refinement level of park operation are improved, and support is provided for intelligent park operation.
Owner:URBAN PLANNING & DESIGN INST OF SHENZHEN UPDIS

Remote monitoring method and system for operation state of electromechanical equipment

The invention discloses a remote monitoring method and system for the operation state of electromechanical equipment, and the method comprises the steps: building a multi-dimensional parameter monitoring system, obtaining the vibration frequency, temperature and other operation parameters of the electromechanical equipment in real time through a sunflower remote control end, extracting semantic features through an optimized ERNIE model, dividing feature subsets according to the operation stage of the equipment, and carrying out the remote monitoring of the operation state of the electromechanical equipment. And an optimized ERNIE model is combined with a fault feature library to mine potential fault features, a fault recognition result is generated, and a maintenance instruction containing fault positions, types and priorities is generated through a sunflower remote control end according to the fault recognition result. The system comprises a monitoring network construction unit, a data acquisition and transmission unit, a feature extraction unit, a stage division unit, a fault identification unit and an instruction generation and sending unit which are sequentially connected to cooperatively work. Accurate monitoring and intelligent maintenance of the operation state of the electromechanical equipment are realized, and the operation and maintenance efficiency and reliability of the equipment are effectively improved.
Owner:SUZHOU WANHENG AUTOMATION TECH CO LTD

Land space planning and surveying and mapping engineering collaborative measurement method

The invention relates to a land space planning and surveying and mapping engineering collaborative measurement method, which comprises the following steps: collecting multi-source surveying and mapping data of a target area, and constructing a live-action three-dimensional semantic model bearing ground feature semantics through fusion processing; key planning elements are extracted based on the model, the spatial relation of the key planning elements is quantified, and a spatial relation graph with geometric entities as nodes and the spatial relation as edges is generated; the planning management and control terms are formalized into computable logic assertions, and a machine executable planning rule base is constructed; performing collaborative traversal and logical reasoning on the spatial relation graph based on the rule base, automatically comparing and identifying violation situations, and generating a planning conflict report; and carrying out fusion mapping on the report and the three-dimensional model to generate a three-dimensional visual review layer for intuitively indicating the position, type and degree of the violation. According to the method, deep fusion of surveying and mapping data and planning rules is realized, planning conformity review can be automatically and intelligently completed, and the problems that the prior art depends on manpower, and is low in efficiency and different in standard are effectively solved.
Owner:孙文婧

Load monitoring system and method for power distribution network

PendingCN120879927ACircuit arrangementsData abstractionModel extraction
The invention relates to the technical field of power distribution network monitoring, and discloses a power distribution network load monitoring system and method, and the system comprises a load data collection module which can carry out the hierarchical division of an operation region to obtain basic monitoring units and extract a collection interval; the multi-source data integration processing module collects multi-category data such as load power and voltage fluctuation according to a sampling period and generates time sequence integration data; the state feature construction module abstracts a load state according to time sequence data to obtain a model, and extracts multi-dimensional features such as capacity bearing and operation stability; the abnormal working condition discrimination and evaluation module identifies local anomalies according to the multi-dimensional features and determines overall anomalies; and the monitoring strategy regulation and control module dynamically adjusts monitoring parameters and monitors the real-time load state of the power distribution network in real time. According to the system, layered monitoring and abnormity identification of the load of the power distribution network are realized, and the monitoring accuracy and the dynamic regulation and control capability are improved.
Owner:YANCHENG ELECTRIC POWER DESIGN INST CO LTD

New energy station equipment state evaluation and early warning method

The invention relates to the technical field of equipment health management, and provides a new energy station equipment state evaluation and early warning method. Comprising the steps of S1, collecting operation, environment and inspection image data in real time through multi-source sensing equipment, and generating a data set after standardization processing; s2, selecting an AI large model supporting multi-modal input, injecting a fault knowledge graph and an industrial standard, and generating an adaptive model through general power data pre-training and station exclusive data fine tuning; s3, time domain / frequency domain features and image damage information are extracted, and a unified health index is constructed through dynamic weighting; s4, predicting an HI value in the next 24 hours based on LSTM, dynamically adjusting a threshold value in combination with a working condition, and executing early warning in three stages; and S5, updating the model every quarter, verifying the index requirements, and analyzing and optimizing the rule through misinformation. According to the invention, intelligent evaluation and accurate early warning of multi-source data fusion are realized, the operation and maintenance efficiency is improved, non-planned shutdown is reduced by more than or equal to 100 hours per year, and unattended transformation of a new energy station is promoted.
Owner:四川电力设计咨询有限责任公司

Heterogeneous animal robot cooperative navigation system based on large language model

The invention provides a heterogeneous animal robot collaborative navigation system based on a large language model, which comprises a centralized control center, and is provided with a visual perception conversion module and an instruction generation module. The visual perception conversion module extracts semantic information by using a visual large model SAM, generates a bird's-eye view (BEV) representation in combination with a space-time attention mechanism, constructs a global semantic map through a semantic segmentation decoder, and converts the global semantic map into natural language description by means of a BLIP-2 model. The instruction generation module inputs visual description, navigation information, historical tracks and human expert instructions as cues into the large language model, outputs a navigation thinking chain including task allocation and instruction selection, and includes four intermediate steps of state prediction, filtering, action prediction and instruction output. According to the system, through a centralized control structure and a cooperative sensing control method, the sensing, cooperation and communication capabilities of the heterogeneous animal robot are improved, and efficient navigation and decision execution of the heterogeneous animal robot in a complex environment are ensured.
Owner:ZHEJIANG UNIV

Intelligent network connection automobile active safety teaching control method based on digital twinning

The invention discloses an intelligent network connection automobile active safety teaching control method based on digital twinning. The method comprises the steps that S1, multi-source sensor data are collected and preprocessed to generate a driving state data set; s2, inputting the state data into a digital twin model to drive a traffic scene and outputting a synchronous state; s3, based on Dueling-DDQN, executing strategy learning to generate an active safety control instruction; s4, the instruction response effect is simulated and verified in the virtual environment; s5, collecting driver operation behaviors, inputting the improved MHA-BiLSTM model to extract time sequence features, and outputting behavior features; and S6, comparing the driving behavior with a standard instruction item by item, calculating an operation deviation and a response difference, and generating a personalized active safety teaching task. According to the invention, efficient comparison and teaching feedback of the driving behavior and the active control strategy can be realized, and the intelligent level of driving training is improved.
Owner:ANHUI MECHANICAL IND SCHOOL ANHUI MECHANICAL TECHNICIAN COLLEGE

Tunnel or mine water gushing space-time prediction method coupled with hydrodynamic numerical model

The invention discloses a tunnel or mine water gushing space-time prediction method and system coupled with a hydrodynamic numerical model, and the method comprises the steps: outputting multi-source data based on an identified and verified underground water numerical model, complementing the missing of measured data, quantifying the difference between the permeability characteristics of a fault and a normal stratum, and coupling the difference to a data system, and tunnel or mine excavation space data are merged. And constructing an LSTM-isolated forest-K neighbor regression coupling model, and configuring a multifunctional module to realize multi-scene data co-training. The preprocessed multivariate time series data is divided into a training set and a test set, hidden features are extracted through a coupling model, anomaly detection results are fused, a residual error correction model is synchronously trained, and hyper-parameters and weights are adaptively optimized according to multi-engineering prediction error feedback. And based on the trained coupling model, carrying out synchronous water gushing space-time prediction by adopting a window rolling strategy, and outputting prediction data meeting engineering precision in combination with residual correction. And reliable technical support is provided for safety prevention and control of engineering construction.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN) +1

Operation and maintenance workflow cooperation system and method

The invention discloses an operation and maintenance workflow cooperation system and method, and relates to the technical field of business process.The method comprises the steps that after a natural language operation and maintenance requirement is received, a subtask set containing task attributes is extracted through a semantic model built based on a pre-training operation and maintenance field language model; inputting the sub-tasks into a causal mining model, capturing an implicit dependency relationship between the tasks through an attention mechanism which takes task types and resource demands as weight regulation factors, and generating an operation and maintenance relationship graph which contains dependency confidence coefficients and dependency types and does not have cyclic conflicts; splitting the atlas into a task chain set and a free task point set by adopting a causal-oriented greedy pruning algorithm based on a directed edge association subtask maximum aggregation and task chain set scale minimization principle; task chains are distributed through a weighted matching algorithm in combination with the chain overlap ratio and the to-be-handled task amount of the intelligent agent, remaining free task points are distributed according to the balance principle, and accurate disassembly and efficient cooperation of operation and maintenance tasks are achieved.
Owner:SHANGHAI SUQING SOFTWARE CO LTD