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47 results about "Pattern vector" patented technology

Real-time interaction violation detection method, system and device and medium

The invention relates to a real-time interaction violation detection method, system and device and a medium. The method comprises the following steps: acquiring an online interaction session original information flow containing a user text sequence, a voice signal, an image file and an interaction behavior timestamp; extracting text semantic vectors, voice acoustic features and image visual content description, and integrating to generate an initial feature vector set; based on the interaction behavior timestamps, constructing an interaction time sequence diagram by taking the initial vectors as nodes, calculating multi-modal association weights among the nodes and updating connection edges to obtain a multi-modal fusion diagram; and inputting the fused graph into a graph neural network, outputting a global graph embedded vector through message passing and node aggregation, matching a preset violation mode vector library to calculate a similarity score, determining a violation type, and generating a risk assessment conclusion containing the violation type and confidence. According to the method, cross-statement and cross-modal context violation association is effectively captured, violation judgment accuracy is improved, and an intervention basis is provided for a platform.
Owner:薛羽心

Thangka generation method based on structure and pattern double-channel constraint diffusion model

The invention discloses a Thangka generation method based on a structure and pattern two-channel constraint diffusion model, and belongs to the technical field of Thangka image generation, and the method comprises the steps: obtaining a Thangka image, and carrying out the structure labeling and pattern labeling of the Thangka image; constructing a structure vector and a pattern vector; constructing a dual-channel constraint diffusion model; constructing a joint loss function, and training the dual-channel constraint diffusion model; in the training and production process, a structure-pattern adaptive coupling mechanism is introduced, and a structure constraint weight and a pattern constraint weight are dynamically adjusted; and executing a back diffusion generation process, and generating a target Thangka image through iterative denoising under double constraints of a structure vector and a pattern vector. According to the method, the structure normalization, the pattern definition and the overall style uniformity of the generated Thangka image are remarkably improved, and the method can be used for Thangka digital protection, virtual restoration, digital recarving, cultural education, auxiliary drawing and intelligent content generation in the literature and blog industry.
Owner:SOUTHWEAT UNIV OF SCI & TECH

A mold control equipment operating state monitoring method, device and medium

The application discloses a mold control equipment operation state monitoring method and device and a medium, relates to the technical field of intelligent equipment monitoring, and comprises the following steps: carrying out denoising, normalization and outlier rejection processing on a mold operation data set to obtain clean operation data; performing correlation analysis and feature extraction on the clean operation data to generate a sound-vibration coupling mode vector set, and performing feature index calculation and mode deviation evaluation to obtain a sound-vibration state feature set; performing state coding on the sound-vibration state feature set to generate a mold operation state table, and performing health degree calculation and state evaluation to output a mold operation feature set; performing operation level judgment and trend analysis on the mold operation feature set to output an operation state result; and performing information arrangement and instruction generation on the operation state result to generate an operation state report. The mold operation state is quantitatively monitored with high precision.
Owner:SHANDONG SHISHENG MASCH CO LTD

Mould control equipment operation state monitoring method, equipment and medium

The invention discloses a mold control equipment operation state monitoring method, equipment and a medium, and relates to the technical field of intelligent equipment monitoring, and the method comprises the steps: carrying out the denoising, normalization and abnormal value elimination processing of a mold operation data set, and obtaining clean operation data; performing correlation analysis and feature extraction on the clean operation data to generate a sound-vibration coupling mode vector set, and obtaining a sound-vibration state feature set through feature index calculation and mode deviation evaluation; state coding is carried out on the sound vibration state feature set, a mold operation state table is generated, health degree calculation and state evaluation are carried out, and a mold operation feature set is output; performing operation grade judgment and trend analysis on the mold operation feature set, and outputting an operation state result; and performing information arrangement and instruction generation on the operation state result to generate an operation state report. And high-precision quantitative monitoring of the operation state of the mold is realized.
Owner:SHANDONG SHISHENG MASCH CO LTD

Battery fault diagnosis method and system based on CCS module

The invention relates to the technical field of battery management, and discloses a battery fault diagnosis method and system for a CCS module, and the method comprises the steps: obtaining a multi-dimensional data sequence of the voltage, current and temperature of a battery pack, carrying out the abnormality detection, and obtaining a potential abnormal time period and a multi-dimensional data subset; performing clustering analysis on the multi-dimensional data subset to obtain an abnormal feature clustering center, and performing dynamic association analysis to obtain an association mode vector set; calculating the similarity of each single data and a fault propagation path, and matching the propagation path with a preset mode to obtain a fault propagation score; fusing the clustering center and the propagation score, positioning a fault monomer through a support vector machine regression model, and determining a fault monomer identifier; and carrying out segmented clustering and logic judgment on the data corresponding to the identifier, and determining a fault type. According to the invention, accurate positioning and type determination of fault monomers can be realized.
Owner:GUANGDONG ZHESI TECHNOLOGY CO LTD

Subway train dispatching optimization method based on Markov decision process model

The invention provides a metro train dispatching optimization method based on a Markov decision process model. According to the method, a Markov decision model taking a state-action pair as a core is constructed, a train stop mode vector is introduced to accurately represent different jump stop schemes, and the method adapts to typical working conditions such as large and small intersections and non-stop passing. Meanwhile, simulation output data of the four typical parking modes are used for establishing a train running time query table, and the calculation efficiency of the train running time under the variable parking strategy is greatly improved. According to the method, a dual deep Q network algorithm is adopted, an'optimal / worst experience pool 'mechanism is innovatively introduced, and key state transition data which are optimal and worst in the training process are stored respectively, so that the learning capability of high-quality experience and the avoidance capability of low-quality strategies are enhanced. Compared with a traditional single-working-condition optimization scheme, the method shows higher comprehensive performance and practical application potential in a multi-working-condition fusion scheduling task.
Owner:HARBIN INST OF TECH

Multi-station collaborative energy storage centralized control scheduling method

The invention discloses a multi-site collaborative energy storage centralized control scheduling method, which relates to the technical field of multi-site collaborative energy storage, and comprises the following steps of: after an ambiguity condition of a scheduling strategy is identified, constructing a response mode vector based on a site historical scheduling behavior, and utilizing a response prediction model fusing a multi-head attention mechanism and a behavior trajectory transformation network to obtain a multi-site collaborative energy storage centralized control scheduling strategy; determining a site response behavior difference under the condition that the scheduling strategy has ambiguity; according to a site response behavior difference result, a strategy analysis prompt instruction is generated through a behavior deviation value mapping mode, the strategy analysis prompt instruction and an original scheduling strategy are combined to construct a structured scheduling strategy with a consistent analysis path, and unified analysis and constraint control of scheduling strategy execution logic are achieved. According to the method, the problem of multi-site response behavior difference caused by an ambiguous scheduling strategy is solved, unified analysis and closed-loop control of the scheduling strategy are realized, and the consistency and stability of cooperative scheduling are guaranteed.
Owner:ANHUI DONGFANG HUANYU POWER TECH CO LTD

Hepatitis B antibody pattern classification method based on plasma protein profile

PendingCN122310281AProtein profilingMedical laboratory
This invention relates to the field of bioinformatics processing and medical laboratory data analysis, specifically a method for classifying hepatitis B antibody patterns based on plasma protein profiles. The method includes: acquiring host hardware information of the execution environment and extracting central processing unit (CPU) cache parameters; acquiring a high-dimensional sparse one-dimensional array and extracting non-zero feature indices; performing mapping calculations using a locality-sensitive hashing (LSH) algorithm to reconstruct the data into a locally dense two-dimensional matrix; dynamically segmenting the data into independent sub-blocks according to cache parameters and initial segmentation dimensions; performing low-rank tensor decomposition on the independent sub-blocks to extract local latent feature vectors; concatenating the sub-blocks, weighting them through a single-layer attention network, and inputting the result into a classifier function to output a target classification pattern vector; and generating dimension update instructions based on a preset dynamic adjustment mechanism to adjust subsequent segmentation dimensions. This invention achieves lower memory peaks, higher cache hit rates, and stable multi-label pattern output capabilities.
Owner:YUNNAN UNIV

Deep-learning based identity resolution to improve match rates

A system and method for improving identity resolution match rates using deep learning techniques that enable privacy-preserving fuzzy matching of personally identifiable information (PII) employs a deep learning model trained with transformer architecture and contrastive learning on third-party identity graph data. Custom tokenizers process different Pll types by leveraging hierarchical structures and domain-specific characteristics. The trained model generates vector embeddings that enable fuzzy matching to account for variations in spellings, typographical errors, and data inconsistencies without requiring adherence to strict data schemas. A vector database stores embeddings for nearest neighbor searches to identify potential identity matches based on distance calculations between embeddings. A match filter applies logic to determine valid matches, and the system can operate without requiring movement of raw Pll data from secure environments.
Owner:LIVERAMP

A method for generating a Thangka based on a structure and pattern double-channel constrained diffusion model

The application discloses a Thangka generation method based on a structure and pattern double-channel constraint diffusion model, and belongs to the technical field of Thangka image generation, and comprises the following steps: acquiring a Thangka image, and performing structure labeling and pattern labeling on the Thangka image; constructing a structure vector and a pattern vector; constructing a double-channel constraint diffusion model; constructing a joint loss function, and training the double-channel constraint diffusion model; in the training and production process, introducing a structure-pattern adaptive coupling mechanism, and dynamically adjusting a structure constraint weight and a pattern constraint weight; and performing a reverse diffusion generation process, and generating a target Thangka image through iterative denoising under the double constraints of the structure vector and the pattern vector. The application significantly improves the structure standardization, pattern clarity and overall style uniformity of the generated Thangka image, and can be used for Thangka digital protection, virtual restoration, digital replication, cultural education, auxiliary drawing and intelligent content generation in the cultural and museum industry.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Law case recommendation method and system based on large model

The invention provides a law case recommendation method and system based on a large model, and relates to the technical field of intellectual property, and the method comprises the steps: obtaining document data of an intellectual property case, a user operation sequence corresponding to a to-be-analyzed technical scheme, and law text information of a to-be-queried case, and constructing a technical knowledge graph based on the document data; inputting the technical knowledge graph and the user operation sequence into a time sequence graph neural network, and generating a mode vector and weight information; generating technical association data based on the mode vector and the weight information, and processing the technical association data by using a variational auto-encoder to obtain enhanced technical feature data; and finally, inputting the enhanced technical feature data and the legal text information into a large legal model, generating a joint query vector, and performing case retrieval to obtain a class case recommendation result. According to the method, the association accuracy of the class case recommendation result and the technical facts is improved.
Owner:BEIJING NEW ORANGE TECH CO LTD

Mobile printing robot based on Mecanum wheels

The invention provides a mobile printing robot based on Mecanum wheels. The mobile printing robot aims at solving the problems that an existing automatic printing device is limited in printing breadth, poor in moving flexibility and low in complex path printing precision. The robot comprises a robot body, Mecanum wheels, an ink-jet printing assembly, a position sensor, an AI trajectory planning module and a linkage control module. The four Mecanum wheels at the bottom of the robot body are arranged in a four-wheel rectangle mode and are connected with independent driving motors correspondingly, and omnidirectional movement is achieved. And the ink jet head is vertically aligned with the center of motion of the Mecanum wheel. The AI trajectory planning module disassembles a path based on target pattern vector data, plans movement parameters by combining with equipment parameters and performs real-time correction according to feedback of a position sensor; and the linkage control module realizes linkage of the AI algorithm, the driving motor and the ink jet head. The method breaks through the limitation of the printing breadth, effectively reduces the printing error of a complex path, greatly improves the printing efficiency, and is suitable for automatic printing of scenes such as large-area paper surfaces, grounds and wall surfaces.
Owner:SHENZHEN BELON TECH CO LTD +1

CFB boiler operation safety domain fault early warning method based on multi-source data fusion

The application relates to the technical field of fault early warning and discloses a CFB boiler operation safety domain fault early warning method based on multi-source data fusion, which comprises the following steps: acquiring multi-source monitoring data of a CFB boiler to generate a multi-dimensional space-time data matrix; analyzing the multi-dimensional space-time data matrix by using multi-resolution wavelet transform to generate a multi-scale feature tensor; analyzing the multi-scale feature tensor based on a tensor network, calculating a cross-scale coupling weight matrix according to a physical constraint equation, and extracting a cross-scale fault correlation mode vector through tensor contraction operation; carrying out similarity matching on the cross-scale fault correlation mode vector and a fault semantic prototype library to generate layered fault situation information comprising a summary layer, a detail layer and a deep analysis layer; and outputting an adaptive layered fault situation awareness result; the application realizes intelligent adaptive perception of a complex multi-scale fault situation, guarantees the integrity of fault information, and improves the efficiency of man-machine interaction.
Owner:SHENYANG TSINGHUA BOILER

Electromechanical coupling system fault diagnosis method and system based on multi-level vector library

The invention discloses an electromechanical coupling system fault diagnosis method and system based on a multi-level vector library, and belongs to the technical field of fault diagnosis. The electromechanical coupling system is sequentially divided into a plurality of hierarchies according to functional composition of the electromechanical coupling system, each hierarchy comprises a plurality of units with different functions, and the method comprises the following steps: converting a fault mode into a fault mode vector x through an embedded model; the adjacent agent An evaluates and awards the fault reason of the corresponding unit retrieved by the agent An-1 from the PHM multi-level vector library, and retrieves the fault reason of the unit in the PHM multi-level vector library according to the fault mode vector x and the fault reason; and fusing the N fault causes of the intelligent body search through a fusion device. According to the invention, the fault part of the electromechanical coupling system can be accurately positioned.
Owner:HANGZHOU INTERNATIONAL INNOVATION INSTITUTE OF BEIHANG UNIVERSITY

Fault prediction and early warning system for energy storage box type transformer substation

PendingCN121834531AEffectively filter out causal topology fluctuationsReduce false alarm rateElectrical testingKnowledge representationMacroscopic scaleTransformer
The invention relates to the technical field of energy storage equipment monitoring, and discloses a fault prediction and early warning system for an energy storage box-type substation. The multi-modal data acquisition and preprocessing module, the macroscopic operation mode vector extraction module, the real-time causal calculation engine module, the real-time dynamic causal entropy map construction module and the working condition causal baseline dynamic mapping module generate a theoretical health baseline map corresponding to the current working condition in real time according to the macroscopic operation mode vector; an atlas topology difference and anomaly detection module generates a difference atlas by comparing the real-time dynamic causal entropy atlas with the theoretical health baseline atlas; the topology fingerprint and fault diagnosis module analyzes the difference atlas to extract topology fingerprint vectors and matches a fault knowledge base to output a diagnosis conclusion. By constructing the health base line which is dynamically adjusted along with the working condition, normal operation fluctuation can be effectively filtered out, the accuracy of fault detection is improved, and diagnosis from abnormal detection to specific fault attribution is realized.
Owner:JIANGXI TRANSFORMATION EQUIP CO LTD

AGV digital twin monitoring method based on three-dimensional simulation model

The application discloses an AGV digital twin monitoring method based on a three-dimensional simulation model, relates to the technical field of digital twin monitoring, and comprises the following steps: performing multi-dimensional feature extraction on a target AGV to form an AGV behavior mode vector set; generating a nonlinear coupling matrix representing the correlation strength between AGV motion state parameters and environmental constraint parameters based on the vector set and environmental geometric information; dividing a three-dimensional digital twin model into a plurality of simulation units, and independently simulating local AGV disturbance responses of the units according to the matrix; mapping high-frequency motion events and low-frequency task events into the simulation units based on the local AGV disturbance responses to form a nonlinear disturbance coupling field; and dynamically adjusting a virtual AGV state based on the disturbance propagation trend of the disturbance coupling field. The application realizes nonlinear behavior synchronization of a virtual AGV and a physical AGV, thereby solving the problem that virtual and real behaviors of an AGV are difficult to be consistent in the prior art.
Owner:合肥焕智科技有限公司

Method for identifying an object in a search image, method for generating a pattern vector and using the method for determining the position and / or orientation of a security element of a banknote

The invention relates to a method for recognizing an object (2) in a search image (1), comprising the following steps: a) providing a pattern vector (5) describing the object (2) by means of coordinates of characteristic pixels (7); b) moving the pattern vector (5) over different positions of the search image (1); c) determining a respective success value (15) at the different positions; and d) recognizing the object (2) at the positions depending on the success values (15); wherein a first direction (8) and a second direction (9) different from the first direction (8) are associated with each characteristic pixel (7), wherein a first total intensity value (10) of a first number (11) of one-dimensionally arranged pixels in the first direction (8) and a second total intensity value (12) of a second number (13) of one-dimensionally arranged pixels in the second direction (9) are determined, respectively, wherein a difference value (14) between the first total intensity value (10) and the second total intensity value (12) is determined, respectively, wherein the success value (15) is determined depending on the respective difference value (14).
Owner:GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH

Question and answer system model training method and device, electronic equipment and storage medium

Embodiments of the present disclosure provide a model training method and device of a question and answer system, an electronic device, and a storage medium, wherein the model training method of the question and answer system comprises: obtaining a question text sample; inputting the question text sample into an initial question analysis model for iterative training to obtain a question analysis model; the initial question analysis model comprises a first encoding layer and a conversion layer; the first encoding layer is configured to perform encoding processing according to the question text sample to obtain a corresponding first sentence pattern vector; the conversion layer is configured to generate a preset number of initial intent vectors under the condition of receiving the first sentence pattern vector, perform filling processing on each initial intent vector according to the first sentence pattern vector to obtain a corresponding target intent vector, and convert the target intent vector into a corresponding text segment; and the text segment is configured to query an answer corresponding to the question text sample in the question and answer system, thereby improving the intent recognition capability of the question and answer system.
Owner:MASHANG CONSUMER FINANCE CO LTD

Method for comparing die systems and alignment vectors

PendingJP2026122956AAlgorithmPattern vector
This provides a method for comparing die systems and alignment vectors. [Solution] The die system 100 includes a plurality of dies 101 arranged in a desired pattern. Alignment vectors, such as die vectors, can be determined from the edge features of the dies. Alignment vectors can be compared with other dies or die patterns 111 in the same system. A method for comparing dies and die patterns includes comparing die vectors and / or pattern vectors. By comparing the alignment vectors, the die pattern can be modified for the next processing round. The provided method enables accurate comparison between deposited edge features so that precise die splicing can be achieved.
Owner:APPLIED MATERIALS INC

Intelligent data cataloging method and system for heterogeneous data guided cross-modal fusion and continual learning

This invention belongs to the fields of data governance and artificial intelligence technology, and discloses an intelligent data cataloging method and system for cross-modal fusion and continuous learning guided by heterogeneous data. The method encodes structured metadata, unstructured text, and unstructured images into structured pattern vectors, text content vectors, and image visual vectors, respectively; it performs cross-modal attention fusion using the structured pattern vector as the query vector and the combined vectors formed by concatenating the other two along the feature dimensions as key-value vectors; it classifies the fused semantic tensor through a classification model; when learning new categories, it constructs a parameter update offset penalty term based on the diagonal elements of the Fisher information matrix of each parameter to update the parameter offset; and it uses the classification results as anchors to determine the business subject domain, sensitivity level, and field-level data lineage to form multi-dimensional cataloging information. This invention improves cross-modal semantic alignment accuracy, maintains the performance of old categories, and reduces manual intervention in multi-dimensional cataloging.
Owner:CHENGDU JIUZHOU ELECTRONIC INFORMATION SYSTEM CO LTD

Graph type identification method and device, electronic equipment and readable storage medium

The present disclosure relates to a pattern type recognition method and device, electronic equipment and readable storage medium. The method comprises: obtaining an initial image to be recognized, the initial image comprising a pattern to be recognized; obtaining a feature vector of the pattern to be recognized in the initial image based on a preset pattern vector extraction model; obtaining a similarity between the feature vector and each candidate feature vector in a preset database to obtain at least one target candidate feature vector; and determining a type of the pattern to be recognized according to a pattern type of the at least one target candidate feature vector. In this embodiment, the problem that an existing pattern recognition model needs to be retrained for recognition when the pattern to be recognized is a new type can be solved without retraining the model when the pattern to be recognized is a new type, which is beneficial to improving the use efficiency of pattern type recognition.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Substation flood prevention material allocation method and device

The invention provides a transformer substation flood prevention material configuration method and device, and the method comprises the steps: obtaining a predefined triple mode which is a head entity type-relation type-tail entity type; the method comprises the following steps: acquiring multi-source static data of a transformer substation, and extracting triple data of the multi-source static data by taking a triple mode as a constraint so as to construct a static flood database; obtaining dynamic meteorological data, constructing a meteorological mode vector based on the dynamic meteorological data and the static disaster resistance level in the multi-source static data, and embedding the meteorological mode vector into the static flood database to obtain a dynamic flood database; and performing scene matching and reasoning decision based on the dynamic flood database, and generating flood prevention material configuration for the target substation. According to the invention, the fundamental transformation from a static plan to a dynamic context awareness decision is realized. In other words, the adaptability of the flood prevention material allocation decision process and the real-time scene is improved.
Owner:WUHAN UNIV OF TECH

Precise de novo sequencing method for top-down proteomics

Computerized methods and systems of de novo sequencing from a mass spectrometer and identifying a biological polymer using mass invariant charge patterns in the spectrometer data by transforming spectra to a natural logarithmic space where peaks arising from the same analyte mass align along a predictable pattern defined solely by charge state. In some embodiments, the computerized method employs an operation that iterates the residue mass in the transformed natural logarithmic space, e.g., minimizing charge state difference errors between corresponding isotopologues assigned to different charge states. In some embodiments, the de novo sequencing of the present disclosure also allows for viewing the mass-to-charge (m / z) spectrum in a natural logarithmic manner (e.g., Equation 1—ln(m / z−q)) to provide confidence in any reassignment of peaks in an observed charge pattern vector.
Owner:FLORIDA STATE UNIV RES FOUND INC

Livestock and poultry state evaluation method and system based on multi-modal sensor and artificial intelligence

The invention provides a livestock and poultry state evaluation method and system based on a multi-modal sensor and artificial intelligence, and relates to the technical field of livestock and poultry health monitoring, and the method comprises the steps: firstly obtaining the physiological metabolism, activity track and field microenvironment data of a livestock and poultry individual, and constructing a multi-modal time sequence diagram; then, a space-time diagram neural network is combined with a group normal behavior atlas database to identify an individual abnormal mode and generate an abnormal mode vector; then, calculating the importance of each node in the time sequence diagram based on a historical epidemic disease case database and a gradient boosting tree to extract key index data; then, state evolution is carried out in combination with the key indexes and time sequence information in the abnormal mode vector, and a dynamic state sequence is generated; finally, a random forest model is adopted to carry out feature learning on the sequence, a state evaluation report is generated, abnormal individuals can be accurately locked, key pathogenic factors can be efficiently recognized, and then the accuracy and timeliness of livestock and poultry epidemic disease early warning are improved.
Owner:庄浪县畜牧兽医中心 +1

Electromechanical coupling system fault diagnosis method and system based on multi-level vector library

A kind of multi-level vector library-based electromechanical coupling system fault diagnosis method and system belong to the technical field of fault diagnosis.Electromechanical coupling system is divided into multiple levels according to its function composition, each level includes multiple functionally different units, the method comprises the following steps: convert fault mode into fault mode vector x by embedding model;Adjacent agent A n To agent A n‑1 The fault cause of the corresponding unit retrieved from PHM multi-level vector library is evaluated and rewarded, and the fault cause of the unit is retrieved according to the fault mode vector x and the fault cause in the PHM multi-level vector library;The fault causes retrieved by the N agents are fused by the fuser.This application can accurately locate the fault position of electromechanical coupling system.
Owner:HANGZHOU INTERNATIONAL INNOVATION INSTITUTE OF BEIHANG UNIVERSITY

Scene feature-based storage cluster load pattern recognition and scheduling trigger method

PendingCN122152511AResource allocationMachine learningFeature vectorPattern vector
The application relates to the technical field of distributed storage systems, and particularly discloses a storage cluster load mode recognition and scheduling triggering method based on scene characteristics, which comprises the following steps: extracting a multi-dimensional feature vector from the monitoring log of a distributed storage cluster; recognizing the business scene corresponding to the current load by using a load mode recognition model based on the multi-dimensional feature vector; wherein the load mode recognition model adopts an attention mechanism, dynamically adjusts the weight of each feature vector according to the correlation between the current feature vector and the historical feature mode vector, and outputs the probability distribution of each business scene in the current window; determines the scheduling strategy weight at the current moment according to the highest confidence in the probability distribution and a historical cost function; and triggers the corresponding scheduling strategy based on the numerical interval of the scheduling strategy weight.
Owner:SINOSOFT

Data quality evaluation and abnormal root cause analysis method and system based on Internet of Things, terminal and medium

PendingCN121859045APrecise physical propertiesPrecise operationDigital data information retrievalEnsemble learningData streamData set
The invention relates to the field of industrial internet of things, in particular to a data quality evaluation and abnormal root cause analysis method and system based on the internet of things, a terminal and a medium, and the method comprises the steps: collecting monitoring data, and calling a dynamic threshold value for preprocessing based on a business scene type; inputting the data into the optimized isolation forest basic model for preliminary screening, and outputting normal and suspected abnormal data sets; constructing an equipment association graph and a node feature matrix by using the equipment spatio-temporal topological relation and the suspected abnormal data set, inputting the graph convolutional network enhancement model for secondary verification, eliminating pseudo anomalies, and outputting a final abnormal data set; the normal data and the pseudo-abnormal data are merged into an effective normal data stream, and multi-dimensional quality evaluation is carried out; and constructing a feature mode vector based on the final abnormal data set, matching the feature mode vector with a power equipment knowledge base, and determining an equipment fault type. According to the invention, data quality evaluation and abnormal root cause positioning are realized, and the data management operation and maintenance efficiency of the Internet of Things is improved.
Owner:INSPUR ARTIFICIAL INTELLIGENCE RES INST CO LTD SHANDONG CHINA

Sensor network monitoring method, system and equipment based on industrial Internet of Things

The invention discloses a sensor network monitoring method, system and device based on the industrial Internet of Things, and relates to the technical field of sensors, and the method comprises the steps: determining at least one working condition cluster according to the performance time sequence data and the energy consumption time sequence data; constructing a first operation energy consumption correlation tensor based on the performance time sequence data and the energy consumption time sequence data corresponding to the sensor node, and determining a first operation energy consumption mode vector of the sensor node according to the first operation energy consumption correlation tensor; for the same working condition cluster, constructing a second operation energy consumption incidence matrix of the working condition cluster according to the corresponding first operation energy consumption mode vector, and determining a second operation energy consumption mode vector of the working condition cluster according to the second operation energy consumption incidence matrix; and determining an evaluation index of the sensor node according to the first operation energy consumption mode vector and the second operation energy consumption mode vector. The method and the device have the effect of improving the accuracy of monitoring the sensor network.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Behavior recognition and warning system for real-time video streams

The application relates to the technical field of video behavior recognition, and discloses a behavior recognition and early warning system for real-time video streams. The system comprises a space-time feature modeling module, a behavior segment extraction module, an abnormal propagation modeling module, a risk area positioning module and an early warning strategy generation module. The space-time feature modeling module builds a dynamic model based on historical data, captures a three-dimensional coordinate sequence of a skeleton key point, a motion optical flow vector field and a micro-expression intensity spectrum, and outputs a theoretical behavior mode vector; the behavior segment extraction module generates a multi-modal difference feature tensor through cross-modal difference analysis; the abnormal propagation modeling module generates an abnormal propagation path risk probability distribution cloud map in combination with space constraints and trajectory information; the risk area positioning module identifies a high-risk area and labels a boundary; and the early warning strategy generation module dynamically configures monitoring parameters, enables high-frame-rate micro-expression capture for the high-risk area, and applies trajectory disturbance testing to adjacent areas.
Owner:GAOZI TECHNOLOGY (SHENZHEN) CO LTD

A chip automatic test method for resource-limited ATE

PendingCN122652259AMultiplexingTest efficiency
The application relates to the technical field of integrated circuit testing, and proposes a chip automatic testing method for resource-limited ATE. The testing task is divided into three types of dynamic scanning, differential simulation and static driving, and a timing scheduling table containing several mutually non-overlapping time windows is constructed according to a testing dependency relationship. In each time window, a relay switching network is used to perform configuration, and a device power supply and a parameter measurement unit are dynamically allocated to target pins of a chip to be tested. The dynamic scanning type applies a scanning voltage through the device power supply and compares preset functional pattern vectors to determine functions; the differential simulation type applies a driving voltage through time-sharing multiplexing of the device power supply, and combines the parameter measurement unit to obtain an output to determine a gain; and the static driving type performs direct-current parameter measurement through the parameter measurement unit. The application realizes multiple complex tests under limited ATE resources, effectively solves resource competition and manual line changing problems, and improves testing efficiency and system utilization.
Owner:GUANGZHOU CITY UNIV OF TECH