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21results about How to "Comprehensive performance evaluation" patented technology
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Tea quality detection and analysis method and system
InactiveCN119246441AImprove forecast accuracyImprove generalization abilityImage analysisScattering properties measurementsPattern recognitionRgb image
The invention relates to the technical field of tea quality detection, in particular to a tea quality detection and analysis method and system. The method comprises the following steps: performing hyperspectral image acquisition on a tea sample, and performing RGB image acquisition to obtain an original hyperspectral image and an RGB image; performing spatial information registration on the original hyperspectral image according to the RGB image to obtain a registered hyperspectral image; performing spectrum-space data fusion according to the registered hyperspectral image and the RGB image to obtain spectrum-space fusion data; performing endoplasm and appearance feature analysis on the spectrum-space fusion data to obtain a multi-modal feature vector; and performing feature vector decoupling on the multi-modal feature vector to obtain an endoplasmic decoupling feature and an appearance decoupling feature. According to the method, the internal quality evaluation and the appearance evaluation of the tea leaves are organically combined, a unified evaluation system is constructed, and the comprehensive, objective and refined evaluation of the tea leaf quality is realized.
Owner:QUANZHOULUOJIANGQUANYAN TEA CO LTD
Semiconductor probe card electrical parameter extraction method and system based on MEMS technology
InactiveCN119644086AEnsure real-time adjustmentsImprove the level of intelligenceIndividual semiconductor device testingTest efficiencyProbe card
The invention discloses a semiconductor probe card electrical parameter extraction method and system based on an MEMS technology, and relates to the technical field of semiconductor testing, the method comprises the following components: initialization setting: aligning an MEMS probe card to a target test area on a wafer to be tested, firmly fixing the probe card and the wafer together by using a mechanical clamping device, and setting the MEMS probe card and the wafer to be tested; by integrating the decision tree model and the genetic algorithm, accurate mapping and optimization of semiconductor wafer surface features and optimal probe contact parameters are achieved, the intelligent level of testing is improved, the test time is shortened, the test efficiency is improved, and the test cost is reduced. The self-adaptability and stability of the testing process are remarkably enhanced, real-time adjustment of probe contact parameters is ensured through a dynamic monitoring and closed-loop control mechanism, the testing error is effectively reduced, the testing precision is improved, the optimal contact parameter combination is found through an optimization algorithm, the testing period is further shortened, and the testing efficiency is improved.
Owner:DGT SEMICON TECH (JIANGSU) CO LTD
Method for evaluating corrosion degree of bridge corrosion cable steel wire
InactiveCN119509405AComprehensive performance evaluationUsing optical meansManufacturing computing systemsPoint cloudStructural engineering
The invention discloses a method for evaluating the corrosion degree of a bridge corrosion cable steel wire, and the method comprises the steps: carrying out the three-dimensional scanning of a to-be-evaluated corrosion cable steel wire corrosion surface, and carrying out the standardization processing of the appearance point cloud data of the corrosion surface, calculating by means of Matlab software to obtain the weakest cross-sectional area, the average cross-sectional area, the weakest cross-sectional loss rate, the average cross-sectional loss rate, the volume loss rate and the like of the steel wires with different corrosion degrees; geomagic and Design X software is utilized to flatten the surface of the rusted steel wire, a box counting method is adopted to calculate the fractal dimension of the corroded surface of the rusted steel wire, and the corrosion degree of the rusted cable steel wire is comprehensively judged according to the calculated evaluation indexes such as the weakest cross section loss rate, the average cross section loss rate, the volume loss rate and the fractal dimension. According to the method, the corrosion degree evaluation index of the rusted cable steel wire is calculated based on the real corrosion surface, so that the calculation structure is more accurate, the calculation efficiency is greatly improved, and efficient evaluation of the corrosion degree of the rusted cable steel wire is realized.
Owner:SOUTHEAST UNIV
Liquid-gas buffer with intelligent buffer remote monitoring system
PendingCN119244677Aimprove analysisImprove fault diagnosis abilityMeasurement of fluid loss/gain rateTransmission systemsControl engineeringData transport
According to the liquid-gas buffer with the intelligent buffer remote monitoring system, the working state of the buffer is monitored in real time by integrating a pressure sensor and a distance measuring sensor, the pressure of hydraulic oil and displacement data of a mandrel seat can be accurately obtained, and therefore the absorption energy of the buffer is calculated; and the performance analysis and fault diagnosis capabilities of the buffer are improved. Meanwhile, the data processing unit transmits real-time monitoring data to a remote monitoring platform, so that a user can carry out comprehensive performance evaluation and maintenance decision on the buffer conveniently. The system not only can monitor the working state, but also can detect oil leakage and gas leakage faults when the buffer does not work, ensures that management personnel can obtain fault information in time and take effective measures, and ensures normal operation of hoisting and transporting equipment, thereby remarkably improving the safety and reliability of the equipment, prolonging the service life and reducing the maintenance cost.
Owner:SHANGHAI LIAO QING HUAN IND CO LTD
Quality evaluation system for preparing superconducting material and preparation process thereof
InactiveCN119624247AComprehensive perspectiveDynamically adjust analysis parametersDesign optimisation/simulationSpecial data processing applicationsProcess engineeringData profiling
The invention discloses a quality evaluation system for preparing a superconducting material and a preparation process thereof, which are used in the field of quality evaluation, and the quality evaluation system comprises a data collection module, a data analysis module, a multi-dimensional quality evaluation model construction module, a monitoring and adjusting module and a quality evaluation module. According to the method, various physical fields and various influence factors can be comprehensively considered, the performance of the superconducting material in a future environment is predicted by comprehensively considering the various influence factors and simulating different environmental conditions, optimization and adjustment are carried out according to an actual application result, different environmental conditions are simulated by utilizing simulation software, and the performance of the superconducting material in a future environment is predicted. The performance of the material under various conditions can be evaluated under the condition that the physical environment is not actually changed, the cost and time are saved, and the influence degree of different environmental factors on the performance of the superconducting material and the interaction among the different factors are analyzed through statistical methods such as variance analysis.
Owner:JIANGSU DUXING ZHIYUAN NEW MATERIAL TECH CO LTD
Method for predicting remaining service life of energy storage battery and related device
PendingCN119438905AImprove management efficiencyensure operabilityElectrical testingBiological modelsTest batteryElectrical battery
The invention discloses a method for predicting the remaining service life of an energy storage battery and a related device. The method comprises the following steps of: establishing maximum discharge energy-circulation circle data of a full life cycle of the battery; sG filtering smoothing is carried out, the maximum discharge energy value of the first circle is used as an initial energy value to convert the maximum discharge energy of the single circle of the battery into SOH, standardization processing is carried out, and a time window sliding method is adopted to divide an obtained standardized data set; constructing a time sequence prediction model based on the LSTM, and training the time sequence prediction model based on the LSTM by using the standardized data set X; the method comprises the following steps: collecting discharge energy data of a to-be-tested battery in an actual operation process in an energy storage system in the (1-n) th circle, inputting the discharge energy data into a pre-trained LSTM time sequence prediction model after standardization processing, outputting predicted SOH values of the (n + 1) th circle to the Nth circle, and establishing a complete battery SOH attenuation curve in combination with the data after standardization processing to obtain the remaining service life of the battery.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +1
A test method for evaluating the heat aging resistance of cable sheath materials
ActiveCN118837283BComprehensive performance evaluationjudge scienceMaterial thermal coefficient of expansionWeather/light/corrosion resistanceUltimate tensile strengthElectric cables
The present invention relates to the field of cable sheath testing technology, and specifically to a method for evaluating the heat aging resistance of cable sheath materials, comprising: marking the obtained cable sheath, recording the size and shape of the cable sheath, and determining the performance parameters of the cable sheath; the performance parameters include tensile strength, elongation at break, elastic modulus, and expansion coefficient; subjecting the cable sheath to hot air aging treatment to obtain the aged cable sheath; testing the aged cable sheath to determine the performance parameters of the cable sheath after aging; determining the stability index of the performance parameters at different temperatures and times according to the corresponding temperature and time of the aging treatment; determining the correlation between the performance parameters at various temperatures and times based on the stability index of the performance parameters, and determining the performance degradation time of the cable sheath according to the correlation between the performance parameters at various temperatures and times. Accurate prediction of the performance degradation time of the cable sheath is achieved.
Owner:JIANGSU DONGFANG CABLE MATERIAL
Clamping device for multi-dimensional mechanical detection of automobile steering pull rod
PendingCN119595414AEasy to detectImprove detection efficiencyMachine part testingMaterial strength using tensile/compressive forcesMotor vehicle partPhysics
Owner:SAILMADIT INTELLIGENT TECHNOLOGY (SUZHOU) CO LTD
Fusion test system and test method of laser radar component
PendingCN119439134Afast transferquick analysisElectromagnetic wave reradiationICT adaptationOptical probingOptical testing
The invention discloses a fusion test system and test method of a laser radar component, and relates to the technical field of laser radars, the system comprises a data mobile acquisition platform and a test data analysis terminal; the data mobile acquisition platform comprises optical detection equipment and a signal processing card; the data mobile acquisition platform is connected with the test data analysis terminal; wherein the data mobile acquisition platform is used for being in butt joint with a to-be-tested laser radar component; the optical detection equipment is used for carrying out optical test on the to-be-tested laser radar component to obtain optical test data; the signal processing card is used for carrying out an electrical test on the to-be-tested laser radar component to obtain electrical test data; and the test data analysis terminal is used for performing analysis according to the optical test data and the electrical test data. According to the invention, optical test data and electrical test data are simultaneously acquired through the data mobile acquisition platform, so that the test of the laser radar component is realized.
Owner:HUBEI HUAZHONG PHOTOELECTRIC SCI & TECH CO LTD
A full-size drill-grinding-milling tool high-precision dynamic simulation analysis method based on an adaptive FEM-SPH coupling algorithm
PendingCN122287201ARealize the simulation functionrestore accuratelyBatch processingModel reconstruction
This invention relates to the technical field of simulation analysis methods for downhole tools in oil and gas fields, and discloses a high-precision dynamic simulation analysis method for full-size drilling and milling tools based on an adaptive FEM-SPH coupled algorithm. The method includes three processes: model establishment, model solving, and performance evaluation. The first process is model establishment, which involves obtaining the geometric model of the drilling and milling tool through model reconstruction technology, and establishing a high-precision dynamic simulation analysis model for the full-size drilling and milling tool based on a wear prediction model and the adaptive SPH-FEM coupled algorithm. The second process is model solving, which involves solving the model after successively changing the drilling pressure and rotational speed, and batch processing the simulation results using Python. The third process is performance evaluation, which evaluates the performance of the drilling and milling tool from three aspects: efficiency, safety, and lifespan. This invention improves simulation accuracy from three aspects: geometric modeling, wear simulation, and solution algorithm, and evaluates the performance of the drilling and milling tool from three aspects: efficiency, safety, and lifespan.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Illegal accident-based intervention effect analysis method, device and equipment
ActiveCN119600814AComprehensive performance evaluationOptimizationDetection of traffic movementForecastingCost effectivenessIntervention effect
The invention relates to an illegal accident-based intervention effect analysis method, device and equipment, and relates to the field of intelligent traffic. The illegal accident-based intervention effect analysis method provided by the invention not only pays attention to the change rate of illegal accident data, but also particularly emphasizes the effects of two key factors, namely intervention cost and intervention efficiency. Specifically, the method calculates the cost-benefit ratio of each intervention measure by dynamically monitoring illegal and accident data of a certain road section within a period of time and combining the condition change before and after the implementation of the specific intervention measures, thereby realizing more comprehensive and deeper effect evaluation of the intervention measures. Under the condition, which types of intervention measures are most likely to bring remarkable safety improvement can be revealed, meanwhile, strategies which possibly consume too many resources but are very effective can be recognized, and powerful data support is provided for policy formulators.
Owner:TRAFFIC MANAGEMENT RES INST OF THE MIN OF PUBLIC SECURITY
Intelligent cockpit target identification and supervision system and method based on large model
PendingCN121980406ARealize regulationRefined supervisionProgram initiation/switchingCharacter and pattern recognitionGoal recognitionMulti source data
The invention discloses an intelligent cockpit target identification and supervision system and method based on a large model, and relates to the technical field of multi-source data analys.The intelligent cockpit target identification and supervision system and method based on the large model comprises the steps that a key attention model of each target behavior is generated, a performance prediction model is generated, a fault prediction model is generated, and real-time comprehensive records in a real-time updating period are obtained; the method comprises the following steps: determining whether a real-time comprehensive record is a key record or not through a key attention model, predicting a real-time performance score of a next updating period through a performance prediction model, judging whether the real-time updating period is an abnormal period or not, and determining whether the intelligent cabin target recognition system has a fault or not through a fault prediction model. And the operation reliability and safety of the intelligent cabin target identification system are greatly improved.
Owner:REDOOR INFORMATION TECH CO LTD
Multifunctional C-shaped sealing ring testing tool
ActiveCN222635699UComprehensive performance evaluationImprove test efficiencyMaterial strength using tensile/compressive forcesUsing mechanical meansStructural engineeringContact force
The utility model discloses a multifunctional C-type sealing ring test tool, which comprises a mandrel assembly and a sealing cylinder sleeved outside the mandrel assembly, and is characterized in that the mandrel assembly comprises a cross mandrel and side mandrels arranged at two ends of the cross mandrel; a pressing hole and two exhaust holes are formed in the sealing cylinder in the radial direction. The side core shaft is in threaded connection with the cross-shaped core shaft, the C-shaped sealing ring is arranged outside the cross-shaped core shaft in a sleeving mode, and a cushion block is arranged between the C-shaped sealing ring and the side core shaft. The device is simple and convenient to use, improves the testing efficiency of the sealing ring, can test the sealing performance of the C-shaped sealing ring, can also detect the contact force and friction force of the C-shaped sealing ring passing through the sealing cylinder, is simple to produce and manufacture, is low in cost, and is easy to popularize.
Owner:CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD +1
Capacity detection method and system for automobile emergency power supply
InactiveCN119270104Areliable determinationComprehensive performance evaluationElectrical testingMathematical modelBattery capacity
The invention relates to the technical field of power supply capacity detection, and discloses a capacity detection method and system for an automobile emergency power supply. The method comprises the steps of determining the rated capacity of the automobile emergency power supply; according to the rated capacity, connecting the automobile emergency power supply to a load of an electricity measurer to carry out a discharge test, and recording discharge data; inputting the discharge data into an actual capacity mathematical model established based on a deep learning algorithm to obtain the actual capacity and the residual capacity of the automobile emergency power supply; calculating an electric quantity attenuation value of the automobile emergency power supply according to the actual capacity and the discharge data; and determining a power supply working scheme of the automobile emergency power supply according to the residual capacity, the actual capacity sum, the discharge data and the electric quantity attenuation value. According to the method, the accuracy of battery capacity detection can be effectively improved, and then a reasonable power supply working scheme is determined.
Owner:SHENZHEN AOSITUO TECH CO LTD
PVC sheath material performance detection method and system based on image processing
PendingCN119534451AAccurate detectionPrevent deviationWeighing by removing componentMaterial analysis by observing effect on chemical indicatorImaging processingHydrogen chloride
The invention relates to the technical field of image processing, in particular to a PVC sheath material performance detection method and system based on image processing, and the method comprises the following steps: obtaining a plurality of granular PVC sheath material samples with the same weight, and respectively placing the granular PVC sheath material samples in a closed heating space; acquiring an image of the sample in a heating temperature rise stage, and calculating a comprehensive temperature rise performance index according to data such as color and glossiness of the sheath material; acquiring an image of the sample in a melting stage, and calculating a comprehensive melting performance index according to data such as flow uniformity and bubble area variance; the release of the hydrogen chloride gas is judged by detecting whether ammonium chloride precipitates are generated; acquiring and processing an ammonium chloride image to obtain a volatility index; obtaining and treating the cooled sample to obtain a thermogravimetric analysis index; and finally, calculating a comprehensive performance index for measuring the overall performance stability of the sample. According to the invention, the image of the PVC sheath material is processed, so that the detection efficiency of the performance stability of the sheath material in the heating stage and the melting stage is improved.
Owner:RED RICE PLASTIC IND TECH (TAIZHOU) CO LTD
A method and system for evaluating the performance of a damping thermal barrier material for a battery pack
ActiveCN121656326Bimprove consistencyImprove stabilityMaterial analysis using wave/particle radiationMaterial heat developmentHeat managementData set
This invention discloses a method and system for evaluating the performance of damping and thermal insulation materials for battery packs, relating to the field of battery pack thermal management technology. The method includes: extracting a calibration sample set; applying transient thermal excitation and acquiring infrared thermographic sequences to extract thermal response features; performing industrial CT scans to obtain defect quantification indicators, which, together with the thermal response features, form a calibration dataset; establishing a quantitative correlation model based on the calibration dataset and determining batch quality thresholds according to the model output distribution; performing the same excitation and acquisition on online test samples to extract their features, inputting them into the model to obtain defect quantification prediction values, comparing them with the batch quality thresholds, and outputting the evaluation results; and supplementing the model and thresholds by extracting new samples and obtaining new calibration data when a preset period or trigger condition is met. This invention provides accurate material performance evaluation by establishing a quantitative model of thermal response features and defect quantification indicators, and enhances the consistency and stability of the evaluation through a dynamic update mechanism.
Owner:AIHUA (ZHEJIANG) NEW MATERIAL CO LTD
A method for picking first arrival of seismic data based on SimpleNet network
ActiveCN118968225Bimprove accuracyHigh precisionBiological modelsSeismic signal processingPattern recognitionData set
The present invention relates to the technical field of seismic data processing, and in particular to a method for picking up seismic data first arrival based on a SimpleNet network. The method comprises the following steps: acquiring seismic shot data, and performing grayscale image conversion on the seismic shot data, so as to obtain a set of enhanced grayscale images in a function set; dividing a data set according to the enhanced grayscale image set in the function set, so as to obtain a training image set and a test image set; performing low-speed body static correction on the training image set, so as to obtain a corrected training image set; constructing a seismic first arrival prediction model according to the enhanced grayscale image set in the function set, so as to obtain a seismic first arrival prediction model; performing sample training on the seismic first arrival prediction model according to the corrected training image set, so as to obtain a seismic first arrival training model; and optimizing model parameters of the seismic first arrival training model, so as to obtain an optimized seismic first arrival training model. The present invention improves the accuracy of seismic first arrival picking based on seismic data processing technology.
Owner:INST OF GEOMECHANICS
Evaluation system of power distribution network control system
InactiveCN119494468AComprehensive performance evaluationAccurate performance assessmentResourcesAc network circuit arrangementsData acquisitionPower usage
The invention relates to the technical field of power distribution networks, and discloses a power distribution network control system evaluation system, which comprises a data acquisition module used for acquiring power consumption data of a target area according to a fixed time interval in a first preset time period; the data clustering module is used for clustering the power utilization data of the target area in a first preset time period to obtain a plurality of characteristic power utilization time periods; the shielding module is used for carrying out at least one power distribution station shielding experiment on each characteristic power utilization time period to obtain evaluation data of each characteristic power utilization time period; the data processing module is used for performing multi-dimensional analysis on the evaluation data to obtain an evaluation result of the power distribution network control system in each dimension; and the comprehensive scoring module is used for obtaining a comprehensive score of the power distribution network control system according to the evaluation result of the power distribution network control system in each dimension.
Owner:CHINA THREE GORGES UNIV
Automatic detection device for performance of a heating element semi-finished product
ActiveCN224416965UComprehensive performance evaluationGuarantee quality and safetyElectrical resistance and conductanceProcess engineering
The utility model discloses a kind of automatic detection device of semi-finished product performance of heating device, including detection waiting placement seat, resistance detection component, high pressure detection component, empty burning heating detection component and three inferior product blanking component;Resistance detection component, high pressure detection component and empty burning heating detection component are sequentially spaced from left to right, detection waiting placement seat is located at the left side of resistance detection component, three inferior product blanking components are respectively located between resistance detection component and high pressure detection component, between high pressure detection component and empty burning heating detection component and the right side of empty burning heating detection component.The present scheme solves the problem that the existing semi-finished product performance detection device of heating device can only complete the detection of basic electrical parameters such as resistance, voltage or current, cannot simulate extreme working conditions such as high pressure, empty burning heating to test the performance of products, resulting in the problem of insufficient comprehensiveness of semi-finished product performance evaluation of heating device.
Owner:HEATING LEADER ELECTRONICS TECH CO LTD
An integrally cast axe rock drilling test system
ActiveCN118817521BComprehensive performance evaluationAccurate performance assessmentMachine part testingImage enhancement
The present invention provides an integral cast axe rock drilling test system, the system comprising a test setting module, an operation control module, a data acquisition module, a wear analysis module and a performance evaluation module; the test setting module is used to set the test parameters of the integral cast axe rock drilling process according to the test environment; the operation control module is used to perform the operation control of the integral cast axe rock drilling test process according to the test parameters; the data acquisition module is used to obtain the laser scanning data of the integral cast axe after the rock drilling test is completed; the wear analysis module is used to establish a three-dimensional wear model of the integral cast axe after the rock drilling test according to the laser scanning data; the performance evaluation module is used to analyze the three-dimensional wear model and output the evaluation result of the integral cast axe used in the test environment; the present invention simplifies the test process and improves the accuracy of performance evaluation of the rock drilling device in the actual application environment by combining laser scanning and three-dimensional modeling technology.
Owner:CCCC GUANGZHOU DREDGING CO LTD +2
A sensor system for monitoring port infrastructure performance
ActiveCN118913752Bimprove accuracyincrease diversitySubsonic/sonic/ultrasonic wave measurementOpen water surveyData acquisitionReliability engineering
The present invention proposes a port infrastructure performance monitoring sensor system, which relates to the technical field of intelligent monitoring systems. Aiming at the technical problems of low data collection efficiency, incomplete coverage of the monitoring system, and lack of scientific basis for sensor selection in the existing port infrastructure performance monitoring sensor system, the present invention integrates the sensor measurement module, data processing module, calibration module, transmission module and data analysis module into a unified monitoring system, selects chloride ion sensors, strain sensors, vibration sensors and wave height sensors according to the data requirements of the port infrastructure to be monitored, and the system can more comprehensively monitor the performance of the port infrastructure, and designs a scientific evaluation value calculation method to provide a more comprehensive performance evaluation, thereby improving the accuracy of prediction and diagnosis.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T