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22results about How to "Intuitive reflection" patented technology
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High-voltage circuit breaker and heating fault prediction method and system for isolating switch of high-voltage circuit breaker
ActiveCN119441763AImprove training efficiencyImprove forecast accuracyBiological modelsInformation technology support systemData setFeature set
The invention relates to the technical field of machine learning, in particular to a heating fault prediction method and system for a high-voltage circuit breaker and an isolating switch of the high-voltage circuit breaker. The method comprises the following steps: carrying out multi-source data acquisition on a high-voltage isolation switch and an associated high-voltage circuit breaker through an SCADA system, and carrying out data preprocessing to obtain a preprocessed data set; performing operation feature correlation analysis on the preprocessed data set to obtain a correlation operation feature set; performing dynamic association network construction on the association operation feature set to obtain a dynamic association network graph; acquiring historical fault data; performing propagation risk path search according to the historical fault data and the dynamic association network diagram to obtain a candidate risk path set; and performing path propagation probability calculation on the candidate risk path set to obtain a path probability data set. According to the method, the influence of the associated high-voltage circuit breaker on the heating risk of the isolating switch is effectively identified, so that the accuracy of fault prediction and the timeliness of early warning are improved, and a more reliable guarantee is provided for safe and stable operation of a power system.
Owner:BEIJING HUIZHONG TECHNOLOGY CO LTD
Physical sign parameter monitoring method along with medication process of severe mental disease patient
ActiveCN119257567AIntuitive reflectionimprove accuracyDiagnostic signal processingHealth-index calculationDiseaseEfficacy
The invention relates to the technical field of physical sign monitoring, in particular to a physical sign parameter monitoring method accompanying the medication process of a severe mental disease patient. According to the method, the dynamic change of the physical sign parameters is captured by acquiring the physical sign parameter time sequence curves of the to-be-monitored patient in the two stages before and after medication. For each time sequence curve, data value differences and fluctuation duration are analyzed, and abnormal fluctuation data segments are identified. Furthermore, a historical normal time sequence curve is utilized to determine a historical normal fluctuation section corresponding to the abnormal fluctuation, and the overall state of the physical sign parameters is visually reflected through comparative analysis and calculation of a stable index. Meanwhile, the physical sign condition of the patient is monitored by combining the stability index of the same physical sign parameter before and after medication and the time sequence characteristics of the abnormal fluctuation data segment. According to the method, the physical sign state of the patient is reflected more accurately by comparing the change of the physical sign parameters of the patient with the historical normal condition, and data support with higher credibility is provided for doctors to carry out medicine effect judgment or illness state analysis.
Owner:JINAN TUANYING MEDICAL TECHNOLOGY CO LTD
Real-time detection method for subsynchronous oscillation of wind power plant
The invention discloses a real-time detection method suitable for subsynchronous oscillation of a wind power plant. The method comprises the following steps: firstly, continuously acquiring grid-connected line current by adopting a sliding time window, then performing noise reduction processing on acquired data by using a singular spectrum analysis method, then adaptively determining a VMD modal number according to a grouping effective order solved in an SSA process, and performing VMD decomposition on a signal after noise reduction to obtain an effective modal; and then applying a symmetric differential energy operator to the related mode to solve instantaneous frequency and amplitude, and further solving to obtain system oscillation parameters. And finally, performing a simulation test based on the grid-connected data of the direct-driven wind power plant. The subsynchronous oscillation real-time detection method has high time-frequency measurement precision and good dynamic performance, can accurately and continuously reflect the system operation state change process, and has certain guiding significance for system stability evaluation, oscillation analysis and suppression research and disturbance source positioning research.
Owner:NORTH CHINA ELECTRIC POWER UNIV
A method for detecting abnormalities on the surface of non-woven masks
The invention relates to the technical field of data processing, and in particular to a method for detecting anomalies on the surface of a non-woven mask. The method comprises the following steps: obtaining a grayscale image and a spectrum image of the mask surface, setting the length and width of an initial filter based on the spectrum image, shrinking the length of the initial filter according to a preset ratio to obtain filters of different sizes; using filters of different sizes to filter the spectrum image respectively to obtain a filtered image of the mask surface; obtaining a difference image between each filtered image and a grayscale image, performing a Hough transform on the difference image to obtain a highlight point and selecting a target point, obtaining a filtering effect value of a difference image where a target point that meets a preset condition is located to obtain an optimal image, performing edge detection on the filtered image corresponding to the optimal image, and judging whether the mask surface has an abnormality according to the edge detection result; performing anomaly detection on an image with a better filtering effect, so that the obtained result is more accurate and more efficient.
Owner:HAIMEN QIWEI SWEATER WEAVING
A method and system for monitoring moisture ingress in a capacitor transformer bushing
ActiveCN121542910BClarify physical directionalityIntuitive reflectionMeasurement devicesKnowledge based modelsData streamTransformer
The application relates to the technical field of electrical equipment state monitoring, and discloses a capacitor type transformer bushing dampness monitoring method and system. The method comprises the following steps: obtaining an initial monitoring data stream from a monitoring node arranged on a transformer bushing; performing feature extraction based on time evolution analysis on the data stream to obtain a preliminary humidity response sequence, a preliminary temperature response sequence and a potential disturbance identification sequence; performing relevance verification on the humidity and temperature sequences, and calculating the coupling influence degree of the disturbance identification sequence on the humidity and temperature sequences; constructing a dynamic probability response matrix according to the verification result and the coupling influence degree, and deducing a dampness evaluation index; and implementing multi-level signal correction on the initial monitoring data stream according to the index, and analyzing core humidity components and core temperature components reflecting a dampness progress. The application can separate dampness signals from temperature and disturbance effects, and realizes dynamic and accurate evaluation of the dampness state of the transformer bushing.
Owner:BOSHIYIN (BEIJING) HIGH VOLTAGE ELECTRIC CO LTD
A method and system for evaluating the consistency of multiple / subsequent vessel segmentation results
This invention provides a method and system for evaluating the consistency of multiple / subsequent vessel segmentation results. It involves reading the original data of a vessel dataset and multiple / subsequent vessel segmentation result matrices, then randomly selecting two vessel segmentation result matrices to calculate their union, intersection, and symmetric difference. Any point in the symmetric difference is selected, and iterative growth is performed using a convolution kernel to simulate a path diffusion process. Under the constraints of the union range and a given geodesic distance, a spherical set is obtained. The intersection of this spherical set with the union of the vessel segmentation result matrices and the intersection of this intersection with the two / subsequent vessel segmentation result matrices are calculated. The above calculations and statistical analysis are performed on each point to obtain statistical results, which are then mapped back to the original data and the two / subsequent vessel segmentation result matrices. This yields the statistical results for any two / subsequent vessel segmentation result matrices, and the visualized results are output. This invention can be used to measure the performance of vessel segmentation algorithms or compare their differences, accelerating the development and verification process of vessel segmentation algorithms.
Owner:SOUTHEAST UNIV
Image similarity determination method and device, equipment, medium and product
PendingCN119579927AIntuitive reflectionlow costImage analysisCharacter and pattern recognitionComputer graphics (images)Image pair
Owner:BEIJING QIYI CENTURY SCI & TECH CO LTD
Foundation pit displacement mechanical detection device
PendingCN119642782AIntuitive reflectionaccurately reflectParticular environment based servicesNetwork topologiesData controlStructural engineering
Owner:ANHUI TONGCHUN MACHINERY CO LTD
Synchronous multi-domain digital twinning simulation method for flexible production line
PendingCN119644792AIntuitive reflectioneffective reflectionSimulator controlProduction lineVirtual space
According to the synchronous multi-domain digital twinning simulation method for the flexible production line, a digital twinning shaft part production line is used as a synchronous multi-domain simulation model of a physical production line in a digital space, so that a system simulation effect of interactive three-dimensional dynamic scene and entity behavior of multi-source information fusion is realized; the method can be used for virtual debugging of a production line and real-time state monitoring, and then complete-cycle management of the machining process in a virtual space is achieved.
Owner:RES INST OF ZHEJIANG UNIV TAIZHOU +1
Carbonate gas reservoir reserve utilization effect evaluation method based on BP neural network
PendingCN119539543AEnhanced overall recoveryIntuitive reflectionData processing applicationsClimate change adaptationProcess engineeringNeutral network
The invention discloses a carbonate rock gas reservoir reserve utilization effect evaluation method based on a BP neural network, which belongs to the technical field of oil and gas field development, and is characterized by comprising the following steps: a, forming carbonate rock gas reservoir comprehensive classification; b, selecting characterization index parameters influencing the reserve utilization effect; c, determining influence factors of different types of gas reservoirs influencing the reserve utilization effect; d, determining weight values of different influence factors; e, establishing a gas reservoir reserve utilization quantification formula through nonlinear surface fitting; and f, by applying a BP neural network algorithm and combining with the reserve utilization effect evaluation method chart, establishing a reserve utilization effect evaluation model, and completing gas reservoir reserve utilization effect evaluation. According to the method, the change rule among the influence factors can be reflected more accurately and visually, and the established reserve utilization effect evaluation model can provide theoretical reference for further improvement of reserve utilization of the gas reservoir, deployment of the recovery ratio and optimization of the gas reservoir with excavation potential.
Owner:PETROCHINA CO LTD
Data interaction method and system based on privacy protection, terminal and storage medium
PendingCN119128971AFacilitates transparencyachieve transparencyDigital data protectionData packPrivacy protection
The invention relates to a privacy protection-based data interaction method and system, a terminal and a storage medium. The privacy protection-based data interaction method comprises the following steps of performing a matching data processing flow in a rule database according to a data processing strategy, and sending the successfully matched data processing flow and received user data to an item processing host; processing the user data according to the data processing flow, generating a processed data packet and feeding back the processed data packet to the cloud server; the cloud server performs data packet verification according to a set privacy protection strategy and performs privacy protection grade scoring; the data processing process is stored in the block chain, and the generated access key of the block chain is fed back to the data owning end; by applying the method provided by the invention, an independent checking platform is constructed so as to realize transparency of data processing, and meanwhile, a scoring mechanism is also provided for performing privacy protection grade scoring, so that the privacy protection grade can be reflected more intuitively.
Owner:SHENZHEN WEIYAN TECH CO LTD
Teaching scene modeling method and system based on VR scene
ActiveCN119540009AOptimize dynamic display effectsReveal intrinsic connectionsData processing applications3D modellingAlgorithmModelSim
The invention relates to the field of data processing, in particular to a teaching scene modeling method and system based on a VR scene. The method comprises the steps of obtaining index values of preprocessed behavior data in teacher samples, and for the same teacher sample, taking any index value as a target index value, and taking the index values except the target index value as reference index values; taking the fluctuation degree of the data points in the calculated target index value as a first importance degree; taking a mean value of differences between the data point of the target index value and the data point of each reference index value as a second importance degree; the comprehensive importance degree of the target index value is calculated, the comprehensive importance degree serves as the weight of the index value, and teaching scene modeling is completed through a dimension reduction algorithm. Through the technical scheme of the invention, the modeling complexity can be reduced, so that rapid and vivid virtual experiment teaching component modeling and scene construction can be achieved.
Owner:BEIJING SEVEN DIMENSION VISION TECH CO +1
Wall surface cavitation erosion strength and protection effect evaluation method based on wall surface acting force measurement
ActiveCN119574044AReal-time reflectionIntuitive reflectionHydrodynamic testingApparatus for force/torque/work measurementOriginal dataStructural engineering
The invention discloses a wall surface cavitation erosion strength and protection effect evaluation method based on wall surface acting force measurement. The method comprises the following steps: measuring cavitation acting force of a test wall surface by using a force sensor; secondly, collecting acting force data to obtain the original data of the cavitation acting force of the test wall surface on which the protective measures are applied; according to the original data, obtaining the duration time and the maximum negative peak value of the normal acting force of the impact wall surface, and the duration time and the maximum positive peak value of the normal acting force deviating from the wall surface; then, according to the original data of the acting force and the acting force duration in the corresponding direction, the cavitation collapse acting force impulse is calculated, so that the cumulative effect of the cavitation acting force on the wall surface is evaluated; and finally, the attenuation degree of the cavitation acting force peak value and the impulse under the protection measure is calculated through the attenuation rate. The transient acting force borne by the wall surface is directly measured through the acting force measuring system, impulse evaluation is introduced, and the acting strength of the acting force on the wall surface in the impact direction and the deviating direction can be displayed respectively.
Owner:CHINA JILIANG UNIV
Business demand prediction method and device, equipment, storage medium and program product
PendingCN119151024AIntuitive reflectionimprove accuracyForecastingBiological modelsRelation graphFeature set
The invention discloses a business demand prediction method and device, equipment, a storage medium and a program product, which are used for rapidly and accurately predicting business demands and enabling a demand prediction process to have interpretability. The business demand prediction method comprises the following steps: constructing a first feature relation graph of a business object based on an object feature set of the business object; performing graph attention operation on the first feature relation graph to obtain an attention coefficient between nodes and node features of the nodes in the first feature relation graph; based on the attention coefficient between the nodes, reconstructing the first feature relation graph to obtain a second feature relation graph of the business object; and predicting business demand information of the business object based on the node features of the nodes and the second feature relation graph.
Owner:MASHANG CONSUMER FINANCE CO LTD
Method, device and equipment for mangrove coverage estimation of lidar point cloud data
ActiveCN121385840BEliminate height errorsHigh precisionElectromagnetic wave reradiationPoint cloudLidar point cloud
The application discloses a mangrove coverage estimation method and device based on unmanned aerial vehicle (UAV) laser radar point cloud data and equipment, relates to the technical field of vegetation coverage estimation, and comprises the following steps: acquiring original point cloud data of a mangrove region scanned by an UAV laser radar; preprocessing the original point cloud data to obtain normalized point cloud data; dividing the spatial range of the mangrove region into a plurality of grid units according to a preset grid pixel size; for each grid unit, performing coverage calculation of the grid unit on the normalized point cloud data falling into the grid unit by using a first echo proportion model to obtain the coverage of the grid unit; and generating a coverage spatial distribution map of the mangrove region based on the coverage of all the grid units. The first echo proportion model is used to calculate the coverage of the mangrove point cloud data, and finally, the coverage spatial distribution map of the mangrove region is generated, so that high-precision estimation and spatial visualization of the mangrove coverage are realized.
Owner:RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY
A click data display method and device
ActiveCN113220381Breduce complexityIntuitive reflectionExecution for user interfacesInput/output processes for data processing
The present invention discloses a click data display method and device, and relates to the field of computer technology. A specific implementation of the method includes: according to the address information of the first page, obtaining the click data of the buried point of the first page, the buried point has a buried point identifier; opening the browser to render the first page, and rendering the click data of the buried point of the first page to the corresponding buried point position according to the buried point identifier to obtain the click effect page of the first page; generating a screenshot of the click effect page according to preset rules and displaying it. This implementation can accurately display the click data of the page click position, without recording the click coordinates, and without drawing an additional background image. The click data can still be correctly displayed when the page changes, and the display cost is almost unchanged, and is not affected by page scrolling or login passwords, etc., with low complexity, and can more intuitively, accurately, efficiently, and flexibly reflect the click situation of the buried point position, and can flexibly and independently select the display style and its saving format.
Owner:BEIJING WODONG TIANJUN INFORMATION TECH CO LTD
Full bore lapping and polishing controllable annular band removal method
ActiveCN117733690BAchieve controlled removalIntuitive reflectionOptical surface grinding machinesGrinding feed controlPolishingPressure data
Full caliber grinding and polishing controllable ring belt removal method relates to the field of full caliber polishing and grinding technology, solves the problems that the existing technology cannot accurately predict the surface removal amount distribution of the measured element, and has poor controllability, the method obtains the ring belt to be removed by detecting the actual ring belt characteristic representation of the surface of the workpiece to be polished and ground; and carries out processing simulation to obtain the simulated removal amount distribution; the simulated ring belt characteristic representation is compared with the actual ring belt characteristic representation obtained by detection, when the characteristics coincide, the speed and pressure data used in the processing simulation are used as the optimal processing parameters, and the ring belt is removed according to the optimal processing parameters. In the method, the ring belt characteristic representation is a simplified representation method of the workpiece surface, which can quantify the surface information and more intuitively reflect the surface characteristic information, and can realize the preliminary ring belt controllable removal of the full caliber polishing technology.
Owner:XIAN TECH UNIV
Method for monitoring vital sign parameters during medication in patients with severe mental illness
ActiveCN119257567BIntuitive reflectionaccurately reflectDiagnostic signal processingHealth-index calculation
The present invention relates to the field of vital sign monitoring technology, and specifically to a method for monitoring vital sign parameters accompanying the medication process of patients with severe mental illness. The present invention captures the dynamic changes of vital sign parameters by obtaining the time series curves of the vital sign parameters of the monitored patient in two stages before and after medication. For each time series curve, the data value difference and the fluctuation duration are analyzed to identify the abnormal fluctuation data segment. Further, the historical normal time series curve is used to determine the historical normal fluctuation segment corresponding to the abnormal fluctuation, and the stable index is calculated through comparative analysis to intuitively reflect the overall state of the vital sign parameters. At the same time, the patient's vital signs are monitored in combination with the stable index of the same vital sign parameters before and after medication and the time series characteristics of the abnormal fluctuation data segment. The method more accurately reflects the patient's vital sign status by comparing the changes in the patient's own sign parameters with the historical normal situation, and provides doctors with more credible data support for drug efficacy judgment or disease analysis.
Owner:JINAN TUANYING MEDICAL TECHNOLOGY CO LTD
Surface water extraction model training method, surface water extraction method and related system
The present application provides a kind of surface water extraction model training method, surface water extraction method and related system, it is related to remote sensing technology monitoring surface water field, wherein training method mainly includes: constructing training sample set;According to each surface water remote sensing image in training sample set, select spectral band set;Water body index set is obtained according to water body index calculation according to spectral band set;According to spectral band set and water body index set, get labeled clustering result;With the spectral band set corresponding to the surface water remote sensing image, water body index set as input, with the labeled clustering result corresponding to the surface water remote sensing image as output, train random forest model, obtain surface water extraction model;Surface water extraction model is used to obtain the corresponding labeled clustering result based on the surface water remote sensing image, and generate surface water mask according to the labeled clustering result, not only can improve the accuracy of model extraction surface water, also can be applied to large-scale high-resolution surface water mapping.
Owner:BEIJING NORMAL UNIVERSITY
Drug storage components and water tank cleaning base station
ActiveCN224278270UAvoid situations where water quality cannot be effectively adjustedeasy to usePackagingChemical storageProcess engineering
This utility model discloses a chemical storage component and a water tank cleaning base station. The chemical storage component includes a storage chamber and a detection mechanism. The storage chamber stores the chemical, and the outlet allows the base station to supply the chemical to the water tank and / or cleaning equipment, meeting the need for adding chemical during water tank maintenance. The detection mechanism can detect the chemical level, solving the problem in existing technologies where users cannot know the chemical level in the base station in a timely manner. Users no longer need to spend time and effort checking the chemical level periodically, reducing maintenance costs. Moreover, it avoids situations where the water quality in the tank cannot be effectively adjusted due to the failure to detect the chemical depletion in time, ensuring the normal use and hygiene of the water tank.
Owner:VANTREK INNOVATION (SUZHOU) CO LTD
Cigarette moisture distribution detection method and system
PendingCN119515823AIntuitive reflectionaccurately reflectImage enhancementImage analysisSoil scienceMoisture distribution
The invention relates to a cigarette moisture distribution detection method and system, and belongs to the technical field of cigarette detection. The method comprises the following steps: determining a full-cigarette pixel map of a cigarette according to a low-field nuclear magnetic image of the cigarette to be detected, obtaining the moisture content of the full cigarette to be detected by utilizing a relationship between a pixel value of the cigarette and the moisture content, performing segmentation processing on the full-cigarette pixel map of the cigarette to be detected, calculating an average pixel value of each segment of the pixel map, and calculating the moisture content of the cigarette to be detected according to the average pixel value. According to the average pixel value of each section of to-be-detected cigarette and the moisture content of the whole to-be-detected cigarette, the moisture content corresponding to each section of to-be-detected cigarette is calculated, so that the moisture content distribution change condition of the to-be-detected cigarette is obtained. The method does not need to damage the cigarette, and the detection is more accurate.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC +1
Agar gel plate puncher
PendingCN119589760AResidue reductionimprove continuityMetal working apparatusPressure generationStructural engineering
The invention relates to an agar gel plate puncher, and relates to the field of agar gel punching devices.The agar gel plate puncher comprises a negative pressure generation assembly, a punching pipe, a switch control assembly and a display assembly, a negative pressure space can be generated in the negative pressure generation assembly, the negative pressure space communicates with the punching pipe, and the switch control assembly is connected with the display assembly; the negative pressure generating assembly is arranged between the negative pressure space and the punching pipe so that agar blocks can be sucked into the punching pipe, the switch control assembly is arranged between the negative pressure generating assembly and the punching pipe so that connection and disconnection of a pipeline between the negative pressure space and the punching pipe can be controlled, and the display assembly is communicated with the negative pressure space and can display the pressure state of the negative pressure space. According to the device, continuity of punching and agar block taking-out steps is achieved, a needle is not needed to take out the agar block, damage to the hole edge is effectively avoided, residues of the agar block are reduced, influences on experimental results are reduced, and the accuracy of the experimental results is improved.
Owner:JIANGSU WUZHONG NATURE BIOTECH CO LTD