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78results about How to "High reference value" patented technology
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Data-driven cross-domain intelligent asset knowledge reasoning and value evaluation method and system
ActiveCN119476499AHigh precisionImprove reliabilityBiological modelsKnowledge representationGraph inferencePrediction algorithms
The invention discloses a data-driven cross-domain intelligent asset knowledge reasoning and value evaluation method and system, and relates to the technical field of intelligent assets, and the method comprises the steps: extracting multi-domain data features of intelligent assets based on a deep learning model, and constructing a cross-domain intelligent asset knowledge graph; analyzing a user evaluation target based on a pre-trained language model, retrieving related assets in a knowledge graph, and performing knowledge reasoning by using an attention mechanism and a graph reasoning algorithm; and on the basis of the value evaluation model of reinforcement learning training, a final evaluation value and an evaluation report containing a confidence interval are generated in combination with a time sequence prediction algorithm. According to the method, multi-source heterogeneous data can be effectively fused, knowledge reasoning and value evaluation of cross-domain intelligent assets are realized, and the evaluation efficiency and accuracy are improved.
Owner:北京科杰科技有限公司
Self-adaptive calibration method and device for coal quality detection environmental influence correction
ActiveCN119290810AImprove stabilityimprove accuracyColor/spectral properties measurementsOptical spectrometerEngineering
The invention discloses a self-adaptive calibration method and device for coal quality detection environmental influence correction, and belongs to the technical field of coal quality detection.The self-adaptive calibration method comprises the steps of (1) spectrum pretreatment and (2) LIBS spectrum characteristic peak intensity correction. The device comprises a control host, a spectrograph, a laser generator and a rotating disc type sample table. According to the invention, the problems of laser energy fluctuation, unstable spectral data quality and easy interference of environmental factors on the signal intensity of the characteristic peak in the use process of LIBS detection equipment are solved.
Owner:SHUNDE BRANCH GUANGDONG INST OF SPECIAL EQUIP INSPECTION & RES
Intelligent financial question-answering system realized based on large language model
InactiveCN119441404Aaccurate extractionaccurate analysisMathematical modelsFinancePersonalizationAdaptive learning
The invention discloses an intelligent financial question and answer system based on a large language model, and relates to the technical field of financial question and answer, the system solves the problems of financial term ambiguity and context ambiguity through cooperative work of a plurality of modules, and the system comprises the following modules: a context recognition module, a query module and a query module, a natural language processing algorithm is combined with a context analysis technology in the financial field to automatically extract context clues in user questions; and a financial term knowledge base module. According to the method, context recognition and a financial term knowledge base are combined, and the accuracy of understanding the term ambiguity and the complex context is improved through the graph neural network. And the intelligent recommendation module dynamically provides personalized financial suggestions by using collaborative filtering and content recommendation algorithms in combination with user history and market data, and performs real-time adjustment. The risk assessment and prompt module assesses risks through a Bayesian network and a logistic regression model, and the adaptive learning module continuously optimizes risk prediction and helps users to avoid financial risks.
Owner:HEBEI FINANCE UNIV +1
Comment display method and device, equipment, storage medium and program product
PendingCN119293350AHigh reference valueImprove reliabilityData processing applicationsSpecial data processing applicationsEvaluation resultInformation presentation
The invention provides a comment display method and device, equipment, a storage medium and a program product. Relates to the technical field of computers. The method comprises the steps that in response to a comment screening operation, to-be-displayed comment information and user behavior data of the comment information are obtained, and the comment information comprises a comment score and a comment text; based on the evaluation score and the user behavior data, emotion analysis is carried out on the comment text to obtain an emotion evaluation result of the comment text, and the emotion evaluation result comprises an emotion tendency and a corresponding emotion intensity value; based on a screening type indicated in the comment screening operation, screening out comment information of which the display association degree exceeds a preset threshold value, the display association degree being used for representing the correlation between the screening type and the emotional tendency of the comment text; and sorting and displaying the screened comment information based on the user behavior data of the comment information and the difference coefficient. The comment display effect is improved.
Owner:CHINA CONSTRUCTION BANK +1
Maximum oxygen uptake evaluation method and system
PendingCN119418841Aavoid inconvenienceavoid burdenHealth-index calculationSensorsVO2 maxBiomedical engineering
The embodiment of the invention provides a maximum oxygen uptake evaluation method and system. The maximum oxygen uptake evaluation method comprises the steps that physiological information of a user is obtained; based on a heart rate sensor assembly and an inertial sensor assembly, motion information and heart rate information of the user in the test motion execution period are collected; calculating the metabolic equivalent weight of the user based on the physiological information, the motion information and the heart rate information; and calculating and determining the maximum oxygen uptake of the user based on the metabolic equivalent and the heart rate information. The maximum oxygen uptake evaluation method provided by the invention is used for quickly and accurately evaluating and determining the maximum oxygen uptake of the user.
Owner:THE QUARTERMASTER RES INST OF THE GENERAL LOGISTICS DEPT OF THE CPLA
Large-aperture spatial columnar deployable thin film light shield
The invention belongs to the technical field of spaceflight, and particularly relates to a large-aperture spatial columnar deployable film light shield. According to the technical scheme, the large-caliber space columnar unfoldable thin film light shield comprises an unfoldable supporting mechanism and a thin film, the unfoldable supporting mechanism has the axial folding and unfolding functions, and the shape of the unfoldable supporting mechanism in the unfolding state is an irregular dodecagonal cylindrical surface with the upper portion beveled; the thin film is connected with the inner side of the extensible supporting structure and is folded and unfolded in the axial direction along with the extensible supporting structure. The large-aperture spatial columnar deployable film light shield provided by the invention can meet the development requirements of complex optical equipment, large field of view and wide band of an optical system, light weight of a deployable structure and high storage rate.
Owner:SHENYANG JIANZHU UNIVERSITY
Intelligent identification and corrosion grade evaluation method for steel structural building steel members and evaluation equipment thereof
PendingCN119540598Aeasy to manageeasy maintenanceCharacter and pattern recognitionNerve networkData set
The invention relates to an intelligent identification and corrosion grade evaluation method and evaluation equipment for a steel structural building steel member, and the evaluation method comprises the steps: collecting an original image of the steel member in a target building construction stage, carrying out the marking and distinguishing of the original image, and constructing an original image data set of the target building steel member; the method comprises the following steps: performing an indoor accelerated corrosion experiment on experimental samples of the same material of a target building steel member, collecting sample corrosion images, training a sample corrosion classification model through image recognition and a deep learning convolutional neural network, and constructing a sample corrosion image database; afterwards, collecting a target building steel member corrosion image in a target building maintenance stage, comparing the steel member corrosion image with the original image data set, identifying the type of the steel member in the steel member corrosion image and the position of the steel member in the target building, and comparing the steel member corrosion image with the sample corrosion image database; and determining the corrosion grade of the steel member in the steel member corrosion image.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
Method and system for testing performance of lubricating grease
ActiveCN119355051Aimprove accuracyHigh numerical accuracyMaterial analysis by electric/magnetic meansThermodynamicsProcess engineering
The invention relates to the technical field of lubricating material testing, in particular to a lubricating grease performance testing method and system, and the method comprises the steps: obtaining a test current data sequence and a control current data sequence of to-be-tested lubricating grease at different test temperatures; according to the difference condition between the test current data sequence and the contrast current data sequence, determining a lubrication performance index at each test temperature; analyzing the local test current data change stability condition according to the test current data sequence, and determining a lubrication performance stability index at each test temperature; determining a final quality index of the to-be-tested lubricating grease according to the lubricating performance index and the lubricating performance stability index; and judging whether the quality of the to-be-tested lubricating grease is qualified or not by utilizing the final quality index of the to-be-tested lubricating grease. The lubricating grease quality condition is analyzed by combining the influence degree of the temperature in the test environment on the lubricating grease performance test, and the accuracy of the lubricating grease performance test result is effectively improved.
Owner:YANAN SUIYUAN TECH DEV CO LTD +1
Experimental device and method for simulating partial spontaneous burst of dam
PendingCN119287815AHigh reference valueDistinctive scientific natureClimate change adaptationHydraulic modelsGlass chipStructural engineering
The invention provides an experimental device and method for simulating spontaneous burst of a dam part, the experimental device comprises an experimental water tank, the experimental water tank is supported and mounted at the top of a water tank bracket, a dam body is arranged in the experimental water tank, and a plurality of breaches with different shapes and sizes are formed in the dam body through cutting. A breach-shaped body used for temporarily plugging the breach is correspondingly arranged at the position where the breach is located; a tongue-and-groove seam is formed in the inner side wall of the experimental water tank, and the position where the tongue-and-groove seam is located is used for installing a blasting glass sheet; the water inlet end of the experimental water tank is provided with a reservoir, the reservoir is provided with a gate, the water outlet end of the experimental water tank is provided with a ground reservoir, and the top of the experimental water tank is provided with monitoring equipment for monitoring the experimental process. According to the device and the method, single-point and multi-point instantaneous spontaneous burst of the dam can be simulated, the shape and the size of a breach and the burst position can be self-defined, and the device and the method are applicable to experimental devices of water tanks with various sizes so as to solve the problems and defects in the prior art.
Owner:CHINA YANGTZE POWER +2
Dynamic performance testing device and method for electromagnetic shielding cabinet
ActiveCN121878314Aincrease authenticityHigh reference valueElectromagentic field characteristicsVibration testingStructural deformationData acquisition
The invention relates to the technical field of electromagnetic shielding cabinet testing, in particular to a dynamic performance testing device and method for an electromagnetic shielding cabinet, and the device comprises an environment testing cabin which is used for placing a to-be-tested cabinet and providing a controlled electromagnetic background environment; the dynamic load simulation system is mechanically connected with the to-be-tested cabinet and is used for applying physical excitation with preset strength to the to-be-tested cabinet so as to simulate structural deformation of the to-be-tested cabinet in a working state; and the signal transmitting system comprises a transmitting antenna arranged outside the to-be-tested cabinet and is used for generating an electromagnetic signal covering a preset frequency band. The dynamic load simulation system simulates vibration, cabinet door opening and closing and other actual dynamic working conditions, the temperature and humidity adjusting module is combined to simulate different climatic environments, meanwhile, the high-speed synchronous triggering module is used for achieving high-precision synchronization of dynamic load applying, electromagnetic signal transmitting and data collecting, multi-working-condition collaborative simulation and precise synchronous testing are achieved, and the testing efficiency is improved. And the authenticity and the reference value of a test result are greatly improved.
Owner:CHANGZHOU HENGLI ELECTROMAGNETIC SHIELDING EQUIP CO LTD
Device and method for testing dynamic stiffness of bearing under high-speed and heavy-load working conditions
PendingCN121804861ASolve the coupling problemsolve the errorMachine bearings testingMaterial strength using tensile/compressive forcesDynamic stiffnessRolling-element bearing
The invention discloses a high-speed heavy-load working condition bearing dynamic stiffness testing device and testing method, and relates to the field of bearing testing. The invention solves the problems that the existing bearing dynamic stiffness test technology and equipment only can load in a single direction, cannot simulate axial and radial composite loading, depends on contact transmission, is insufficient in heavy load bearing, lacks system vibration error suppression measures, and is poor in reliability. And the high-precision test requirement of the independent rolling bearing under the high-speed heavy-load composite working condition is difficult to meet. A shafting supporting module is arranged on the upper portion of a test bench support, a measuring module is located over the shafting supporting module, an axial loading module and a radial loading module apply axial force and radial force to a tested bearing respectively, and a driving module drives a supporting shaft and an inner ring of the tested bearing to rotate. Axial and radial composite loading under the high-speed heavy-load working condition can be achieved, axial and radial displacement can be monitored synchronously, system errors are reduced, and high-precision measurement of the dynamic stiffness of the bearing is achieved.
Owner:HARBIN INST OF TECH +1
Power sales prediction method based on big data analysis
ActiveCN119515434AImprove adaptabilityincrease flexibilityCommercePredictive methodsModel parameters
The invention relates to the technical field of data processing, in particular to a power sales prediction method based on big data analysis, and the method comprises the steps: obtaining historical power sales data; obtaining an electricity sale quantity fitting curve based on historical electricity sale data, and obtaining an electricity sale quantity fluctuation degree of each month; obtaining an initial sequence of each month and a plurality of corresponding differential sequences; the stability degree of each differential sequence of each month is obtained, and then the stability degree of the electricity sale quantity of each month in each year is obtained; obtaining a stability degree sequence of each month in each year; obtaining the importance of each month to a prediction month, and further obtaining an update importance degree sequence of the prediction month; and obtaining an electricity sale quantity adjustment weight of each month, adjusting the ARIMA model, and obtaining an electricity sale quantity prediction value of a prediction month in combination with the electricity sale quantity of each month. According to the method, historical power sales data are analyzed, ARIMA model parameters are adjusted, and the predicted power sales quantity with higher reference value is obtained.
Owner:NANTONG JIACHONG TECH SERVICE CO LTD
Wind tunnel rack
The utility model discloses a wind tunnel rack, and relates to the technical field of automobile part test and aerodynamic measurement. The device comprises an air pipe, a conical cover is fixedly arranged at one end of the air pipe, a pipe head is fixedly arranged at the other end of the air pipe, an air supply assembly is arranged at one end of the conical cover, and testing assemblies are arranged on the air pipe and the pipe head. The air supply assembly comprises an air blower; an air valve is assembled at an air suction opening of the air blower; according to the utility model, the whole device is composed of the fan module, the control module, the sensor module, the air duct system and the test cavity, and all the modules are connected through standard interfaces, so that rapid assembly, disassembly and maintenance are facilitated, and the device is suitable for multi-scene deployment; the rotating speed of the air blower is accurately adjusted through the frequency converter, and a full-range speed wind field from low speed to high speed can be simulated in combination with a pressure difference conversion algorithm, so that the test is closer to the actual driving working condition, and the reference value of data engineering is improved.
Owner:SUZHOU SUBO TESTING TECH SERVICE CO LTD
FPGA prototype verification method and system for smart meter chip
PendingCN122263759Aavoid modificationavoid normal workCAD circuit designSpecial data processing applicationsComputer hardwareDevice simulation
The application relates to an FPGA prototype verification method and system of a smart meter chip, and belongs to the field of integrated circuit testing and electric power metering. The method aims to solve the problems of ASIC design transplantation to an FPGA platform, large difference between a verification environment and a real power grid, and lack of a real-time closed-loop verification mechanism. A technical scheme efficiently transplants the design to the FPGA by optimizing ASIC front-end synthesis constraints and adopting a netlist-level IP replacement strategy; a hardware-in-the-loop system is constructed, which comprises a real power grid signal source, a separation device simulation front end, an FPGA verification board, a high-precision standard electric energy meter and a host computer. The system can generate a real power grid excitation and realize synchronous collection of prototype output and the standard meter, real-time error analysis and dynamic adjustment of parameters, thereby forming a closed-loop verification. The application significantly improves code transplantation efficiency, provides a highly consistent real power grid verification environment, and greatly improves verification iteration and defect positioning speed.
Owner:CHONGQING XINLONG SEMICONDUCTOR TECHNOLOGY CO LTD
A gypsum board moisture deflection test device
ActiveCN224681481UEvaluate deformation characteristicsImprove reliabilityStructural engineeringTest chamber
The utility model relates to plasterboard moisture deflection detection technical field, specifically disclose a kind of plasterboard moisture deflection detection test device, including the test box of the box door being arranged in outer wall, the bottom end parallel of the inside of test box is provided with two support beams, the inside of test box is provided with deflection detection structure;The deflection detection structure includes the crossbeam being arranged in the top of two support beams, fixedly connected in the bottom end of test box inner wall, and respectively located the column of two support beams both sides, the both sides of crossbeam are slidably connected with column, and three non-contact displacement sensors are installed in the bottom end of crossbeam, by simulating the condition of plasterboard in moisture environment, combined with non-contact displacement sensor carries out multipoint deflection measurement, can comprehensively, accurately assess the deformation characteristics of plasterboard. Overall structure is simple and reliable, can realize automatic monitoring, improve detection efficiency and the reliability of data.
Owner:TAISHAN GYPSUM (JIANGYIN) CO LTD
A machine learning-based intellectual property precise retrieval analysis method
The application discloses a kind of based on machine learning's intellectual property precision retrieval analysis method, it is related to artificial intelligence and information retrieval technical field, including: generating semantic vector and dimension spectrum vector to document library literature and query literature respectively;Recall candidate literature based on semantic vector and calculate semantic similarity;Based on dimension spectrum vector, calculate dimension spectrum distance, and determine the intensity of deviation of dimension semantics in combination with semantic similarity;Based on the statistical distribution of deviation intensity, calculate inhibition coefficient, calculate ranking score in combination with semantic similarity and deviation intensity and output result.The application can improve the precision and technical matching of retrieval result.
Owner:BEIJING AUGUST MELON TECHNOLOGY CO LTD
A multi-source clinical data aided decision method and system for childhood leukemia
ActiveCN121709134BImprove feature coverageImprove the degree of refinementDrug and medicationsOther databases queryingChildhood leukemiaData mining
The application discloses a multi-source clinical data aided decision method and system for childhood leukemia, and belongs to the field of medical informatization, and comprises the following steps: acquiring a clinical data set for representing disease characteristics, treatment characteristics and physiological characteristics of a target object; performing similarity retrieval in a case database based on the clinical data set to obtain a comparable case set of the target object; and generating medication aided information for the target object based on the clinical data set and the comparable case set. The application realizes fine support for the medication aided decision process of childhood leukemia, improves the accuracy of comparable case screening, enhances the reliability of medication aided information, and reduces decision deviation caused by insufficient data utilization.
Owner:NORTHWEST WOMEN & CHILDREN HOSPITAL
Cash flow processing method and device, computer equipment and readable storage medium
The invention provides a cash flow processing method and device, computer equipment and a readable storage medium, and relates to the technical field of computers. The method comprises the following steps: screening multi-dimensional transaction related data, and configuring an advanced repayment customer behavior model corresponding to an advanced repayment matching rule conforming to the multi-dimensional transaction related data as a target advanced repayment customer behavior model matched with transaction flow data; based on the target advanced repayment customer behavior model, obtaining an advanced repayment period number and an advanced repayment configuration value; different types of cash time axes are generated based on the transaction flow data, and the different types of cash time axes are combined to form a combined time axis; a cash flow amount is calculated based on the advanced repayment period number, the advanced repayment configuration value, and the merge time axis.
Owner:CHINA CITIC BANK CO LTD
Intelligent analysis method and system for pile foundation vibration monitoring data
PendingCN122196513AImprove capture abilityimprove accuracySubsonic/sonic/ultrasonic wave measurement
This invention relates to the field of data analysis technology, specifically to an intelligent analysis method and system for pile foundation vibration monitoring data. The method includes: acquiring a current vibration subsequence and a sample vibration subsequence; acquiring the energy intensity characteristic value and main frequency characteristic value of the vibration subsequence; obtaining a reference subsequence set corresponding to the current vibration subsequence based on the difference in influence data between the current vibration subsequence and the sample vibration subsequence; obtaining the relative amplitude anomaly index value and the relative frequency anomaly index value of the current vibration subsequence based on the characteristic value difference, time distance, and difference in influence data between the current vibration subsequence and the reference subsequences in the reference subsequence set; and performing pile foundation vibration anomaly early warning based on the relative amplitude anomaly index value and the relative frequency anomaly index value of the current vibration subsequence. Furthermore, this invention can improve the accuracy and reliability of pile foundation vibration anomaly early warning.
Owner:AVIC GEOTECHN ENG INST +2
Vehicle road spectrum generation method and related device
PendingCN119223644AHigh precisionHigh reference valueVehicle testingReal-time computingAutomotive engineering
Owner:WEICHAI POWER CO LTD
Nerve treatment detector and detection method thereof
InactiveCN119650025AHigh reference valueimprove accuracyRespiratory organ evaluationSensorsAnalytic modelPhysical medicine and rehabilitation
The invention relates to the technical field of detection equipment management, in particular to a nerve treatment detector and a detection method thereof.The detection method comprises the steps that S100, sleep and respiration data of a user are detected through the nerve treatment detector, S101, used historical data and historical power consumption data of the nerve treatment detector are collected, and S104, the used historical data and the historical power consumption data of the nerve treatment detector are stored; the method comprises the following steps of S102, analyzing a current change state coefficient which is adjusted in the past of the nerve treatment detector, S103, preprocessing the current change state coefficient and used historical data and historical power consumption data of the nerve treatment detector to generate training data, and S104, fitting the training data to establish a power consumption analysis model of the nerve treatment detector. And S105, acquiring data of the current to-be-used nerve treatment detector, predicting whether the current to-be-used nerve treatment detector has an abnormal power consumption condition in a use process, selecting whether to carry out pre-use prompt of the equipment according to a prediction result, and carrying out planned pre-use prompt of the equipment to guarantee and maintain a normal working state of the nerve treatment detector.
Owner:CHANGZHOU YASI MEDICAL TREATMENT EQUIP CO LTD
Large-scale electric vehicle charging load calculation method and device
PendingCN119448194AHigh precisionReduce computational complexityData processing applicationsLoad forecast in ac networkElectric-vehicle batterySimulation
The invention relates to the field of load prediction of energy optimization, and discloses a large-scale electric vehicle charging load calculation method and device. According to the method, the user behavior and daily mileage problems of common electric vehicles are considered, probability modeling is carried out on the mileage of the electric vehicles in cities and towns, and a daily mileage probability model is obtained; the method comprises the following steps: carrying out probability modeling on initial charging time of an electric vehicle within one day by considering actual requirements of an electric vehicle user to obtain an initial charging time probability model; analyzing charging power behaviors of different electric vehicles, and establishing corresponding charging power probability models; the battery capacity of common electric vehicles on the market is considered, modeling is carried out on electric vehicle battery capacity probability distribution, a battery capacity probability model is obtained, and theoretical support is provided for fusion and interaction of a power distribution network and the electric vehicles.
Owner:HUBEI ELECTRIC POWER TRADING CENT CO LTD +1
Method, device, storage medium and electronic device for constructing critical disease knowledge base
ActiveCN112579790BHigh reference valueKnowledge representationText database indexingDiseaseData pack
The present disclosure relates to a method, device, storage medium and electronic device for constructing a knowledge base of serious diseases, so as to construct a knowledge base of serious diseases with high reference value in clinical diagnosis. The construction method includes: obtaining relevant data of multiple types of serious diseases, the relevant data including first structured data and unstructured data; inputting the unstructured data into a preprocessing model to obtain second structured data output by the preprocessing model, the preprocessing model is trained based on labeled unstructured sample data of serious diseases; constructing a storage structure based on the attribute items included in the first structured data and the second structured data, and filling the attribute values included in the first structured data and the second structured data into the corresponding positions in the storage structure to obtain the knowledge base of serious diseases, wherein the structured data includes a mapping relationship between attribute items and attribute values.
Owner:NEUSOFT CORP
Detection device for frameless motor
ActiveCN224066954UGuaranteed stabilityHigh reference valueMachine part testingMeasurement instrument housingElectric machineClassical mechanics
The embodiment of the utility model relates to the technical field of detection devices, and discloses a detection device for a frameless motor, and the detection device comprises a bottom plate and a first installation seat which is detachably connected to the bottom plate. The fixing seat is detachably connected to the bottom plate; the sleeve is arranged in the fixed seat in a penetrating manner and is used for mounting a stator of the frameless motor; the rotating shaft penetrates through the sleeve, is rotationally connected with the first mounting seat and is used for mounting a rotor of the frameless motor; when the frameless motor is connected with the sleeve and the rotating shaft, the stator and the rotor are in a coupled state, and the rotor is driven by the rotating shaft to rotate synchronously with the rotating shaft. Through the cooperation of the fixed seat, the sleeve and the rotating shaft, the stator and the rotor of the frameless motor can be accurately installed and fixed at specific positions, and the stability of the frameless motor in the detection process is ensured, so that the detection reliability is improved; the real working condition of the frameless motor is simulated, and the connection firmness between the rotor and the rotating shaft and the connection firmness between the stator and the sleeve are tested after fatigue use for a certain time and a certain number of times.
Owner:HANGZHOU WISEKING MEDICAL ROBOT CO LTD
Blast furnace molten iron silicon content flexible prediction method based on data fusion and time embedding
ActiveCN119226708AEfficient integrationHigh reference valueNeural learning methodsTime domainProcess engineering
The invention discloses a blast furnace molten iron silicon content flexible prediction method based on data fusion and time embedding, and relates to the field of industrial production. According to the method, time label information of data is utilized, a time domain relation between the data is mined through a learnable mapping method, and a sequence with non-uniform time intervals is mapped into a uniform sequence; through the structural design of the neural network, high-frequency uniformly sampled industrial data and low-frequency non-uniformly sampled data can be simultaneously input into a prediction model, and data fusion is performed, so that the problem of effective information loss caused by downsampling is avoided; the complete sequence-to-sequence architecture based on the attention mechanism is utilized, the prediction model can output molten iron silicon content prediction data of any length, and the requirement for any prediction duration is met. The prediction precision of the silicon content of the molten iron is improved, the prediction flexibility and usability are improved, and the method has more reference value for field production.
Owner:SHANGHAI JIAOTONG UNIV
Cloud platform data security risk prediction method and system, and storage medium
ActiveCN119544259Aimprove matchHigh reference valueDigital data protectionDigital data authenticationPathPingAttack
The invention discloses a cloud platform data security risk prediction method and system and a storage medium, and relates to the technical field of data security, and the method comprises the steps: obtaining at least one data storage node and at least one data storage path of a cloud platform; acquiring data importance levels of the data storage nodes; data of the cloud platform is backed up, and the backed-up data is stored in the block chain; obtaining at least one network attack category, and calculating the proportion of the network attack category; calculating to obtain an average influence factor of the network attack category on the cloud platform attack; calculating to obtain an overall influence factor of the at least one network attack on the cloud platform attack; and using the overall influence factor as a cloud platform data security risk prediction level. By arranging the security classification module, the exception acquisition module, the factor calculation module and the risk prediction module, different conditions of various network attacks and different influences on data are considered, and the obtained prediction result has high reference value.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD +1
Photovoltaic output information generation method and device, equipment and storage medium
PendingCN121810065Afully excavatedImprove matching accuracyData processing applicationsData matchingData set
The embodiment of the invention provides a photovoltaic output information generation method and device, equipment and a storage medium. The method comprises the steps that meteorological factors are screened based on correlation analysis, a comprehensive meteorological factor curve is generated through dimensionality reduction, and a photovoltaic output curve is synchronously generated. Five types of results of cloudy days, cloudy days, sunny days, sunny-to-cloudy days and multi-cloud-to-sunny days are extracted through three-stage clustering, an error distribution estimation model is constructed based on historical data of each scene, a classification historical data set is used for training a Bayesian neural network, an integrated model is constructed, a path is matched according to input data, and an error distribution estimation model is constructed; and inputting the generated comprehensive curve into an integration and error model, and outputting a photovoltaic daily output curve with a confidence interval as final information. Refining input with high reference value is provided for time sequence production simulation, and the refinement degree and the uncertainty quantification capability of output prediction are improved.
Owner:CHINA YANGTZE POWER
Corrugated carton simulated transportation vibration detection device and detection method
The invention discloses a corrugated carton simulated transportation vibration detection device and method, and relates to the technical field of corrugated carton strength detection.The corrugated carton simulated transportation vibration detection device comprises a protection cover, a vibration motor and a corrugated carton, a base is fixedly installed in the protection cover, and a supporting frame is installed on the base through a reset mechanism; two bottom longitudinal beams are fixedly installed on the supporting frame, and a driving mechanism is installed between the vibration motor and the supporting frame. The corrugated carton transportation vibration simulation device has the advantages that the real vibration condition in the corrugated carton transportation process is simulated through irregular swinging, meanwhile, the stress of each supporting angle of the corrugated carton in the vibration process is changed, so that the most real corrugated carton transportation vibration simulation is achieved, the obtained vibration parameters are more close to the reality, and the reference value is higher.
Owner:NANTONG YIFENG PACKAGING & DECORATION CO LTD
NO2 gas sensing material, NO2 gas sensor and preparation method and application thereof
PendingCN122084696Ahigh selectivity detectionRealize reversible detectionMaterial resistancePhysical chemistrySemiconductor
The invention discloses an NO2 gas sensing material, an NO2 gas sensor and a preparation method and application of the NO2 gas sensing material and the NO2 gas sensor. The NO2 gas sensing material is a semiconductor substrate material doped with variable-valence metal elements; the material of the semiconductor substrate is BiOX, and the element X is at least one of Cl, Br and I; the variable-valence metal element is a variable-valence transition metal element. The invention provides a design and preparation method of a gas sensor capable of rapidly detecting NO2 at room temperature. The method can realize reversible detection of NO2 at room temperature.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES
Establishment method and application of mouse gastric cancer model
PendingCN119184035ASimulation is accurateHigh simulationMicrobiological testing/measurementVector-based foreign material introductionDiseaseCancer Model
The invention belongs to the technical field of biotechnology, and discloses an establishment method and application of a mouse gastric cancer model, which not only can further reveal the biological mechanism of Tibetan in Qinghai to adapt to hypoxia, but also has important reference significance for developing therapeutic target drugs for preventing and treating digestive tract tumor diseases of plateau crowds. According to data provided by NCBI (National Center of Biotechnology Information), the HIF-1alpha gene is located on a chromosome 14, the human-derived HIF-1alpha and the mouse HIF-1alpha both have an encodable transcript, the corresponding protein transcript numbers are respectively NP001834.1 and NP031609.5, and the homology of the human-derived HIF-1alpha and the mouse HIF-1alpha is 95.3% through comparison. The amino acid at the human 582nd site is proline, and the target mutation site of the mouse HIF-1alpha gene is also located at the 582nd site, so that a corresponding gene editing mouse is designed on the site.
Owner:QINGHAI UNIV AFFILIATED HOSPITAL