Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
1314results about How to "Realize evaluation" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Device and method for evaluating oil paper insulation aging and predicting service life of transformer
InactiveCN103245519ALow mechanical strengthRealize evaluationStructural/machines measurementWater contentMass ratio
The invention discloses a device and a method for evaluating oil paper insulation aging and predicting the service life of a transformer, and belongs to the technical field of transformers of an electrical power system. The device comprises a long-term aging device, a polymerization degree test device, a tearing strength test device and the like. An accelerated aging test is performed in the long-term aging device at the temperature of 130 DEG C with an oil paper mass ratio of 20:1; furfuraldehyde content in oil and polymerization degree of a piece of insulation paper are measured; the insulation paper is subjected to a mechanical strength test; the concentration change of furfuraldehyde in oil during a process of insulation paper aging is analyzed; the paper and water content during a paperboard aging process are tested; and gas content in oil is tested. Most of transformers are subjected to insulation aging and quit operation primarily due to the fact that the mechanical strength of the insulation paper is lowered and cannot support sufficient insulation. The device and the method which are provided by the invention can evaluate the insulation state of the transformer and predict the residual operation life of the power transformer. Therefore, the examination and repair can be reasonably arranged according to the equipment aging condition, the optimization of equipment use ratio is facilitated; and the management level of power enterprises is improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Intelligentized digital grain depot monitoring system
ActiveCN103235572AImprove calculation accuracyAchieve normal startupTotal factory controlProgramme total factory controlControl engineeringMonitoring system
An embodiment of the invention provides an intelligentized digital grain depot monitoring system which comprises a hardware equipment unit, an intelligent sensor integrated terminal and a grain depot integrated management platform. The intelligent sensor integrated terminal is used for message-processing prior to converting business data, in different message formats, reported by the hardware equipment unit, into business data in an uniform message protocol format through the heterogeneous integration technology and forming data with business characteristics through processing, and the grain depot integrated management platform is used for performing storage capacity monitoring, fumigating control, ventilation control, temperature-humidity monitoring and / or gas concentration monitoring in a grain depot according to the data with the business characteristics and a set control algorithm. By linkage of a temperature-humidity monitoring module, a ventilation control module and the storage capacity monitoring module, startup control on ventilation work and fumigating work can be realized, and current storage capacity can be automatically calculated by the system, so that storage capacity calculation precision is greatly improved.
Owner:HUADI COMP GROUP
Enterprise network safety event management system and method thereof
ActiveCN104901838ARealize evaluationAchieve forecastData switching networksSystems managementData acquisition
The invention relates to the network safety, and provides an enterprise network safety event management system comprising safety devices, a safety event data acquisition module, a safety event data standardization module, a safety event situation assessment and prediction module, a safety device management linkage defense strategy generation module, a state protection module and a system management module. The method comprises the following steps: the system automatically collects safety event information generated by the safety devices in the enterprise network; the system carries out standardization format transition for the collected safety event information; the system analyzes the safety event information after standardization format transition so as to obtain network information safety situation, and predicts network safety trends; the system carries out association analysis for safety devices disposition safety application strategy according to the network information safety situation and the predicted network safety trends, thus generating the linkage defense strategy and sending the strategy to the safety devices. The enterprise network safety event management system and method are suitable for enterprise network safety event management.
Owner:POWERCHINA CHENGDU ENG
WLAN (Wireless Local Area Network) quality monitoring system and method and application
InactiveCN101938764AEnables automated assessmentOvercome subjective defectsWireless communicationComputer terminalTrend analysis
The invention discloses WLAN (Wireless Local Area Network) quality monitoring system and method and application, wherein the method comprises the following steps of: issuing a WLAN quality testing task to a monitoring terminal by using an operation maintenance center through a mobile communication network; monitoring the WLAN quality of a local WLAN access point by using the monitoring terminal according to the WLAN quality testing task, and then reporting a monitoring result to the operation maintenance center by using an WLAN; and carrying out statistic and trend analysis to the received WLAN quality monitoring result by using the operation maintenance center to evaluate the network quality of the local WLAN access point of the monitoring terminal. The system overcomes the subjective defect existing in an artificial route measuring method and greatly saves the monitoring cost.
Owner:COMBA TELECOM SYST CHINA LTD
Test system and test method oriented to next-generation firewall
InactiveCN103746885AImplement automated testingRealize evaluationData switching networksComputer hardwareSpecific test
The invention discloses a test system and a test method oriented to a next-generation firewall. The test system is composed of five modules, namely a management module, a strategy module, a session generation module, a result evaluation module and a report module. The test method comprises the steps: (a) test strategy configuration: according to preset parameters, filling in data structure linked lists of test rules to generate specific test cases; (b) network session generation: constructing an independent client program and an independent server program, respectively simulating an attack host and a host in the network protected by a firewall, then respectively calling plugins corresponding to the test cases, passing the parameters of the test cases generated in the step a to the plugins, generating data packets in real time through the plugins, and delivering the data packets to a client or a server to be sent to generate a network session or network attack session; (c) test result evaluation: evaluating test results according to the completion status of the session, as well as behavior parameters and alarm information of the firewall. By adopting the test system and the test method oriented to the next-generation firewall, automatic test and evaluation of the next-generation firewall can be realized.
Owner:中国人民解放军信息安全测评认证中心 +1
Water quality automatic on-line monitoring system
InactiveCN101266254ATrack in timeGuaranteed operational safetyTransmission systemsTesting waterAir interfaceData center
The invention discloses a water quality monitoring system, namely a water quality online automatic monitoring system for drinking water and sewage and wastewater treatment. The continuous automatic monitoring system comprises a data acquiring module, a data transmission module and a data processing module, wherein the data acquiring module is a multi-parameter intelligent data acquiring device and the data transmission module is GPRS general grouping service network of mobile communication and transmits the data using a wireless data transmission terminal and the online automatic analyser of the data processing module analyzes and packs the data in form of UDP package to the mobile server through air interface and then to a server for monitoring central data through common Internet network and the application software interfaces of the GPRS data center and system transmits the data by dynamic link libraries in UCP / IP link.
Owner:HANDAN LONGDALI TECH DEV
Method for evaluating porosity of mud shale at objective layer segment
InactiveCN103822866ARealize evaluationEasy to operatePermeability/surface area analysisElectron micrographsUnit mass
The invention relates to a method for evaluating the porosity of mud shale at an objective layer segment, and belongs to the technical field of exploration and development of petroleum, geology and mining industry. The method can be used for evaluating the total porosity, the organic porosity and the inorganic porosity of the mud shale at the objective layer segment in a shale gas well. The method comprises the following steps: (1) determining the mass of various ingredients in a mud shale sample skeleton in unit mass at each depth point of the objective layer segment and the density of each dried sample block body and calculating the total porosity of the mud shale in all the depth points via the combination of the actual density of various minerals; (2) calculating the organic porosity (Phi organic') formed by the hydrocarbon generation of the mud shale at the objective layer segment by utilizing chemical kinetics; (3) seeking a solution of the organic porosity (Phi organic) according to scanning electron micrographs of multiple argon ion polishing samples in the same depth point; (4) calibrating the organic porosity (Phi organic') calculated according to the chemical kinetics by utilizing the organic porosity (Phi organic); and (5) seeking a solution of the inorganic porosity by utilizing a difference value of the total porosity and the calibrated organic porosity.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Intelligent quality inspection system and intelligent quality inspection method for customer service recording, and computer readable storage medium
InactiveCN109327632AIncrease coverageRealize evaluationSpecial service for subscribersSpeech recognitionStatistical ReportSpeech identification
The invention provides an intelligent quality inspection system for customer service recording. The system comprises a voice recognition unit, a quality inspection scoring module and a quality inspection platform, wherein the voice recognition module is configured to acquire a customer service voice file, perform voice recognition on the customer service voice file, and extract corresponding textdata; the quality inspection scoring module is configured to analyze the text data, score the quality inspection indicators according to the analysis result and a preset quality inspection scoring rule, and perform statistical analysis on the scoring results of each of the quality inspection indicators to obtain a corresponding quality inspection statistical report; and the quality inspection scoring module is further configured to push the scoring results of each of the quality inspection indicators and / or the quality inspection statistical report to the quality inspection platform. The invention also provides an intelligent quality inspection method for customer service recording and a computer readable storage medium. The intelligent quality inspection system for customer service recording solves the technical problem that the existing customer service recording quality inspection process has labor relying, low inspection coverage, and difficulty in comprehensively evaluating the quality of customer services.
Owner:WEBANK (CHINA)
Anisotropism evaluation method for oil and gas generation quantity of shale
InactiveCN104700316ARealize evaluationEvaluate industrializationForecastingGeological measurementsRock evalOrganic matter
The invention relates to an anisotropism evaluation method for oil and gas generation quantity of shale. The method includes the following steps that firstly, different depth points on a section of the shale are densely sampled, basic parameter values are obtained through Rock-Eval pyrolysis detection, and organic matter types are determined; secondly, a conceptual model is established, and contents of organic carbon of different types are calculated; thirdly, a simulated experiment is designed, and a heavy hydrocarbon oil yield and natural gas yield evolvement model is established; fourthly, the total quantity of hydrocarbon generated and discharged by the different depth points of the shale and the quantity of heavy oil, light oil and gas generated and discharged by the different depth points of the shale are calculated, and the anisotropism of the oil bearing possibility and gas bearing possibility of the shale is evaluated. The models are established on the basis of a large number of sample data points of the section, anisotropism evaluation can be carried out on oil and gas resources of the shale, under the situation that samples are limited, the method is still suitable in combination with logging information, and therefore the method has a great significance in quantitatively representing the anisotropism of the oil bearing possibility and gas bearing possibility of the shale and accurately evaluating unconventional shale oil and gas resources.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Evaluation method of reliability of aerospace electronic product
InactiveCN106529090ATight performanceBoost Design ImprovementsProbabilistic CADSpecial data processing applicationsDependabilityReliability model
The invention discloses an evaluation method of reliability of an aerospace electronic product based on a failure mechanism. On the basis that an analysis method with a combination of physical simulation and a test is adopted, a physical simulation model of the electronic product is constructed, the means such as sensitivity analysis, Monte Carlo analysis, and stress analysis are adopted, and product key elements are identified and in combination with actual working conditions of the elements, a failure mechanism analysis is conducted. Currently, the failure mechanism analysis aiming at the elements is a means used for analyzing a failure reason after a failure occurs during the test or in the using process of the electronic product, thus pertinent improvement is conducted on the product, the service life of the product is prolonged, and the reliability of the product is improved; the failure mechanism analysis aims at finding key characteristic parameters which affect the service life and the reliability of weak elements as an independent variable of the reliability model.
Owner:CHINA AEROSPACE STANDARDIZATION INST
Active power distribution network assessment method
InactiveCN104636988AImprove work efficiencyImprove the quality of workData processing applicationsPower gridComputer science
Owner:STATE GRID CORP OF CHINA +2
Grid security risk assessment method and model based on situation awareness
InactiveCN103679296AImproving the ability to defend against blackoutsImprove asset utilizationForecastingResourcesPower gridSmart grid
The invention provides a grid security risk assessment method and model based on situation awareness. Decision-making objectives of dispatchers serve as cores, situation awareness technology is applied to grid security risk assessment, active prospective grid situation awareness abilities and blackout security defense abilities of the dispatchers are greatly improved, the asset utilization rate of grids can be increased, and strong, economical, secure and superior objectives of the smart grids are achieved. The method includes the steps: firstly, perceiving grid situations; secondly, understanding the grid situations; thirdly, forecasting the grid situations.
Owner:YUNNAN ELECTRIC POWER DISPATCH CONTROL CENT +1
Single-difference filtering-based deformation monitoring GNSS (global navigation satellite system) signal multi-path correction method
ActiveCN106646538ARealize evaluationAchieve transformationSatellite radio beaconingAmbiguityDeformation monitoring
The invention discloses a single-difference filtering-based deformation monitoring GNSS (global navigation satellite system) signal multi-path correction method. On the basis of the spatial correlation characteristics of inter-receiver single-difference observation residuals, a single-difference filtering method is adopted to fix ambiguity and extract a carrier pseudo-range observation residual; fast Fourier transform analysis and wavelet de-noising are performed on the data residual, so that a discrete multi-path correction map and a reflection multi-path spatial correction map are established; and therefore, influence on GNSS carriers and pseudo-range observation values caused by a multipath effect in a bridge deformation monitoring environment can be decreased. According to the method of the invention, the spatiotemporal repetition characteristics of multiple paths are utilized. With the single-difference filtering-based deformation monitoring GNSS signal multi-path correction method adopted, the reliability and success rate of ambiguity fixation can be effectively improved, and single-epoch calculation accuracy of dynamic monitoring can be improved.
Owner:SOUTHEAST UNIV
Power grid vulnerability evaluation method based on membership function fuzzy comprehensive evaluation method
InactiveCN105976257AComprehensive evaluationIncrease credibilityData processing applicationsAssessment methodsPower grid
The invention relates to a power grid vulnerability evaluation method based on a membership function fuzzy comprehensive evaluation method. The power grid vulnerability evaluation method comprises the steps that 1) static safety analysis, dynamic safety analysis, power grid topology structure safety analysis and reliability analysis indexes of a power grid are defined; and 2) vulnerability fuzzy comprehensive evaluation is carried out based on membership functions. According to the invention, for a continuous and reliable power supply target of a load, the vulnerability level of the power grid is comprehensively measured from the aspects of voltage, current, structure, reliability and the like of the power grid; the vulnerability score is more comprehensive and more for reference; and the vulnerability state evaluation level of the power grid is improved.
Owner:STATE GRID CORP OF CHINA +3
Borehole stability evaluation method for highly-deviated well
InactiveCN103362503ARealize evaluationEasy to moveBorehole/well accessoriesInstabilityLaboratory test
The invention discloses a borehole stability evaluation method for a highly-deviated well. The borehole stability evaluation method includes steps of adopting interval transit time and density logging information to obtain formation pressure Pp, and determining the magnitude and direction of ground stress and formation rock strength parameters; converting the obtained ground stress into borehole stress of deviated well coordinates; determining the criterion of borehole instability judgment of the highly-deviated well; establishing a variation rule between borehole instability and deviation and azimuth angles thereof, and formulating borehole stability countermeasures of the highly-deviated well. In the borehole stability evaluation method, a set of complete and assorted mechanical evaluation methods combined with geology, well drilling, logging, core, laboratory tests and mechanics analysis methods takes shape, mechanical mechanism of borehole stability of the highly-deviated well can be evaluated, so that reliable basis is provided for determination of platform displacement optimization, borehole track optimization and a safe drilling fluid density window determination of the highly-deviated well.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Municipal drainage pipe network diagnostic assessment method giving consideration to key node
The invention relates to a municipal drainage pipe network diagnostic assessment method giving consideration to a key node. The method includes the following steps that (1) the key node of a municipal drainage pipe network is obtained, a water level monitor and a flow monitor are additionally arranged at the position of the key node, actual running water level and flow data of the key node are obtained, and on-site pipe data at the position of the key node are obtained through CCTV measurement; (2) in cooperation with the actual running water level and flow data, topological data of the drainage pipe network, the on-site pipe data, boundary water level data, GIS data, ground elevation data and other data of the key node, a municipal drainage pipe network hydraulic model giving consideration to the key node is built; and (3) calibration is carried out on the municipal drainage pipe network hydraulic model, the municipal drainage pipe network hydraulic model obtained after calibration is adopted for simulating the running state of an actual municipal drainage pipe network system, and the running state of the system is assessed. Compared with the prior art, the municipal drainage pipe network diagnostic assessment method has the beneficial effects of giving consideration to the key node, being accurate in modeling, capable of achieving combined assessment, real and effective, improving efficiency and the like.
Owner:SHANGHAI MUNICIPAL SEWERAGE CO LTD
Method for comprehensively estimating insulation state of sulfur hexafluoride electrical equipment
InactiveCN102034019AAccurate running statusAccurate assessmentSpecial data processing applicationsPower stationDecomposition
The invention relates to a method for comprehensively estimating the insulation state of sulfur hexafluoride electrical equipment and belongs to the technical field of monitoring and estimation on the insulation state of the sulfur hexafluoride electrical equipment. In the method, a computer and a comprehensively estimating device of the sulfur hexafluoride electrical equipment with the application number of 201020240900.0 are utilized, a fuzzy theory and a neural network method are applied by utilizing a program, and then the method carries out comprehensive estimation to the insulation state of the SF6 electrical equipment by adopting the working mode of an Windows interface. The method can be used for carrying out monitoring, intelligent analysis and comprehensive estimation to the running indexes comprising brackish water, mainly discharged decomposition products (HF, CO, SO2 and H2S) and the concentrations thereof and the like in SF6 gas of the SF6 electrical equipment, and has the characteristics of simple operation, high efficiency, flexible and convenient use, convenient on-site rapid diction and estimation and the like. The method can be widely applied to rapidly detecting and estimating the insulation state of the SF6 electrical equipment in power stations and transformer substations.
Owner:CHONGQING UNIV
Green wave coordination control method for artery facing to running speed section
ActiveCN103021193AImprove scienceImprove effectivenessRoad vehicles traffic controlControl mannerEngineering
The invention discloses a green wave coordination control method for an artery facing to a running speed section. The green wave coordination control method comprises the following steps of: collecting speed samples of vehicles running on the artery; setting a normal variable section of the running speed; setting a mean design vehicle speed in a green wave coordination control manner; generating green wave coordination control alternative offers of the artery; evaluating the alternative offers according to distribution of the running speed samples; selecting an optimal green wave coordination control alternative offer of the artery; and drawing a green wave band time-distance graph and a running speed-green wave band width curve. The green wave coordination control method for the artery provided by the invention can meet the green wave coordination control requirements of a motorcade within a certain running speed section to the greatest extent, so that the vehicles of the motorcade in the running speed section can be located within green wave band width of the artery as far as possible; and the adaptability, robustness and the like of the green wave coordination control alternative offer of the artery can be improved.
Owner:SOUTH CHINA UNIV OF TECH
Automatic detector for welding line of storage tank bottom plate based on wireless transmission
ActiveCN105158337ARealize non-destructive testingAchieve horizontal movementAnalysing solids using sonic/ultrasonic/infrasonic wavesWireless transmissionComputer module
The invention relates to an automatic detector for a welding line of a storage tank bottom plate based on wireless transmission. The automatic detector comprises a machine body, a synchronous positioning and map construction module, a wireless data communication module and a control mechanism, wherein front wheels capable of controlling steering are mounted on the two sides of the machine body; driving rear wheels are mounted on the two sides of the rack; a bottom plate is arranged at the front end of the machine body in a manner of stretching frontwards; a lossless detection mechanism is mounted on the bottom plate; the lossless detection mechanism is provided with two air coupling ultrasonic probes with adjustable positions; the two air coupling ultrasonic probes are obliquely arranged in a V shape; a laser welding line tracking device is arranged between the two probes; an infrared camera and an infrared sensor are mounted at the top of the machine body; the control mechanism is connected with the front wheels and the driving rear wheels respectively; and the synchronous positioning and map construction module, the wireless data communication module, the laser welding line tracking device, the infrared camera and the infrared sensor are connected with the control mechanism respectively. With the adoption of the automatic detector, intelligent detection and evaluation of the welding line of the bottom plate are realized, and the manual detection cost is greatly reduced.
Owner:桐乡金橙云智科技有限公司
Method for detecting embryo chromosome abnormality by utilizing blastula culture solution
ActiveCN105368936AAvoid lostAvoid damageMicrobiological testing/measurementMedical automated diagnosisEmbryoNon invasive
Owner:XUKANG MEDICAL SCI & TECH (SUZHOU) CO LTD
Method for evaluating remote sensing inversion accuracy of chlorophyll a in water body
InactiveCN101852722AIncrease profitPracticalColor/spectral properties measurementsUncertainty principleAssessment methods
The invention relates to a method for evaluating the remote sensing inversion accuracy of chlorophyll a in a water body, which comprises the following steps of: (1) reading in chlorophyll a concentration data, water surface spectral data and a hyperspectral remote sensing image; (2) searching a regression model of the optimal parameter and chlorophyll a concentration; (3) calculating the difference between a model predicted value and a measured value by taking measured concentration as a true concentration value of a pixel, and taking the difference as an inversion error of a four-band remote sensing inversion model; (4) constructing two band models near a concentration node section based on the uncertainty principle by taking the calculated result in the step (3) as the inversion error; and (5) calculating the relative error and absolute error of the chlorophyll a concentration inversion result by using the band models.
Owner:BEIHANG UNIV
Device and method for estimating quality of experience (QoE) for internet protocol television (IPTV) user
ActiveCN102143388AImprove QoERealize evaluationSelective content distributionMean opinion scoreComputer terminal
The invention relates to a device for estimating the quality of experience (QoE) for an internet protocol television (IPTV) user, comprising a network transmission detection module, a video coding detection module and a comprehensive analysis module, wherein the network transmission detection module is connected with the comprehensive analysis module by the video coding detection module and provided with a video streaming input end. The invention also provides a method for estimating the QoE for an IPTV user, which is realized based on the device. In the method, after the network transmission detection module acquires video streaming, the network transmission detection module detects the video streaming to acquire network transmission influence parameters; then the video coding detection module detects the video streaming to acquire video coding influence parameters; and finally the comprehensive analysis module calculates the sensory mean opinion score (MOS) of the user in accordance with the network transmission influence parameters and the video coding influence parameters so as to realize the estimation for subjective video quality. The device and method provided by the invention can be used to effectively improve the QoE of the existing IPTV.
Owner:CERTUS NETWORK TECHNANJING
Smart antenna performance test method, apparatus and system
InactiveCN101500254AImplement joint testingRealize evaluationTransmission monitoringWireless communicationTD-SCDMASmart antenna
The invention discloses a test method for performances of an intelligent antenna, and a device and a system thereof, which are applied to a TD-SCDMA (time division synchronous code division multiple access) system. The method comprises the steps as follows: an up useful signal and an up interfering signal are generated according to preset data and the generated signals are merged and then input to a channel simulation device; the channel simulation device configures channel simulation parameters for a plurality of channels, generates simulation signals of the plurality of channels and inputs the generated simulation signals to all receive ports corresponding to array elements of the intelligent antenna; the intelligent antenna analyzes the simulation signals and obtains a data bit stream of the simulation signals; and an RNC simulator compares the data bit stream of the simulation signals with the corresponding bit stream of the preset data and then obtains a BLER (block error rate) or a BER (bit error rate). The method for carrying out united test to a plurality of array elements of the intelligent antenna can simulate complicated network situations sufficiently so as to lead the test to receiving and demodulating performances of the antenna to be more objective and accurate.
Owner:CHINA MOBILE COMM GRP CO LTD
Ship cabin indoor explosion structure damage evaluation method based on equivalent scale model
InactiveCN104568613ARealize evaluationReduce research costsStrength propertiesWave pressureScale model
The invention discloses a ship cabin indoor explosion structure damage evaluation method based on an equivalent scale model. The ship cabin indoor explosion structure damage evaluation method comprises the following steps: obtaining an impact wave pressure curve and a quasi-static pressure curve of explosion of equivalent filling in a scale cabin by adopting a pressure sensor; processing test data to obtain a pressure peak value and corresponding pressure impulse; determining a damage rule of the explosion in the equivalent cabin according to the positive pressure acting time of pressure born by the cabin wall and the natural vibration period of the cabin; dividing damage grades and determining a structure damage threshold value of the equivalent cabin; and evaluating damage effects of a ship cabin structure by taking the structure damage threshold value as the basis. The invention provides the ship cabin indoor explosion structure damage evaluation method based on the equivalent scale model by taking a ship cabin indoor explosion effect scale equivalent model as a test carrier, so that the testing cost can be reduced, the researching period is shortened, and the development and application of anti-ship weapons are effectively supported.
Owner:XIAN MODERN CHEM RES INST
Method and system for service quality detection for call center
ActiveCN101662550AEvaluation results are objectiveImprove implementation efficiencySpecial service for subscribersSupervisory/monitoring/testing arrangementsQuality of serviceComputer science
The invention discloses a method and a system for service quality detection for a call center. The method comprises the following steps of: obtaining service sound recording of the call center; extracting the attribute information in the service sound recording; determining a parameter value used for quality detection according to the attribute information and the corresponding relationship between the attribute information and a parameter for quality detection; and determining the service quality assessment value of the telephone traffic service according to the parameter value. The method can objectively detect the service quality of the telephone traffic service each time and has high realizing efficiency and high universality.
Owner:ZTE CORP
Multi-classifier training method and classifying method based on non-deterministic active learning
ActiveCN104657744AGuaranteed optimizationAvoid redundancyCharacter and pattern recognitionAlgorithmClassification methods
The invention discloses a multi-classifier training method and a classifying method based on non-deterministic active learning. The method comprises the following steps: 1) selecting or initializing a multi-classifier and calculating the overall information quantity info of each sample in an unlabeled sample set by the utilization of the multi-classifier, wherein the overall information quantity is the sum of model change information quantity and model tuning information quantity; 2) clustering the unlabeled sample set to obtain J subclasses; 3) selecting a plurality of unlabelled samples with minimum overall information quantity Info from each subclass; selecting, labeling and adding K samples from the selected sample into a labeled sample set L; 4) training the multi-classifier again through taking the updated labeled set L as training data; 5) iteratively executing the steps 1)-4) to set the number of times and then classifying the unlabelled set by the utilization of the finally-obtained multi-classifier. According to the multi-classifier training method and the classifying method, the comprehensive evaluation on the sample information quantity is realized, so that the efficient and intelligent classifier is obtained.
Owner:INST OF INFORMATION ENG CAS
Geological survey method of tunnel face based on digital image
The invention discloses a geological survey method of a tunnel face based on a digital image. The geological survey method comprises the following steps of: A, confirming a target object and marking the tunnel face; B, photographing to the tunnel face by using a high-resolution digital camera to shoot a complete tunnel face region; C, calculating the proportion conversion coefficient of a real object and an image according to the distance of two marking points on the tunnel face and the pixel value of two points in the image; D, performing grey level transformation, color equalization, brightness / contrast adjustment, hue / saturation control and image filtering to logarithms; E, calculating all pixels in the digital image; F, calculating extended length of structural surface, total extension of unit area crack, linear fit of structural surface, viewing dip angle of structural surface and space structural surface parameter of structural surface by the binary image of the structural surface to obtain geological survey achievements of the tunnel face. The geologic sketch map of the tunnel face is obtained by the method, so that the geological sketch speed and the geological survey precision and accuracy are improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
Method and device for detecting cotton diseases based on multisource light information technology
ActiveCN103018180ARealize evaluationColor/spectral properties measurementsSupport vector machineSample image
The invention relates to a method and device for detecting cotton diseases based on a multisource light information technology. The device comprises a computer, a control module, a light information sensor, an LED combination light source, an electric control displacement table and an instrument rack. The method comprises the steps as follows: acquiring a multisource light information data cube of cotton leaves, comparing differences between sample images and backgrounds and differences between scab images and normal parts at different wavelengths, and dividing the backgrounds and scabs by utilizing a normalized difference vegetation map; extracting a main component image, and determining the characteristic wavelength distribution of the diseases; obtaining the polarization characteristics at the characteristic wavelengths by applying a VirtualLab software, and extracting the reflection strength distribution of a visual spectrum in a target region and the grey-scale and texture features of the image; and dividing the characteristic information of the cotton diseases into three types, establishing polarization characteristic space, strength characteristic space and image characteristic space respectively, and carrying out fusion decision judgment by utilizing three SVM (Support Vector Machine) sub-classifiers and a D-S (Dempster-Shafer) evidence theory reasoning method. The method can be used for accurately identifying and evaluating the cotton diseases.
Owner:JIANGSU UNIV
Hand-eye calibration evaluation method and robot
InactiveCN111070199AAccurately determineRealize evaluationProgramme-controlled manipulatorComputer graphics (images)Radiology
The embodiment of the invention provides a hand-eye calibration evaluation method and a robot. The hand-eye calibration evaluation method comprises the following steps: acquiring a first transformation relation of a tail end coordinate system of a mechanical arm relative to a marker coordinate system where a marker is located; determining a standard hand-eye calibration transformation relation based on the first transformation relation, first pose information and second pose information; acquiring a measurement hand-eye calibration transformation relation of the mechanical arm, and determiningcalibration precision of the measurement hand-eye calibration transformation relation based on the standard hand-eye calibration transformation relation, wherein the marker is positioned at a presetposition at the tail end of the mechanical arm, the standard hand-eye calibration transformation relation is used for representing the transformation relation of a camera coordinate system where a vision sensor is located relative to a base coordinate system, the first pose information is the pose information of the tail end of the mechanical arm in the base coordinate system, and the second poseinformation is the pose information of the marker in the camera coordinate system. By applying the scheme provided by the embodiment of the invention, the accuracy of hand-eye calibration can be evaluated.
Owner:HANGZHOU HIKVISION DIGITAL TECH
Device and method for testing influence of tunnel excavation on existing close-distance parallel tunnels
The invention discloses a device and a method for testing influence of tunnel excavation on existing close-distance parallel tunnels. The device comprises a model box, panels at two ends of the model box are replaceable, and a plurality of orifices can be processed on the panels according to the requirements of a test and respectively correspond to the positions of existing tunnel orifices and the positions of a plurality of designed newly-excavated tunnel orifices so as to simulate iron sheet pipes of the existing tunnels, polyvinyl chloride (PVC) plastic pipes of newly-excavated tunnels, a movable type loading platform frame, a loading jack, a pipe wall displacement meter for measuring pipe wall displacement, an earth surface displacement meter for measuring characters of earth surface displacement, a strain gauge for recording pipe wall strain, a static-state strain meter and a computer. The testing device can simulate influence of round-section tunnel excavation and construction on the existing close-distance parallel tunnels under different stratum conditions at different close connecting distances and evaluate earth surface sedimentation caused by parallel excavation of a plurality of tunnels beside the existing tunnels, and test data are accurate and reliable.
Owner:SHANGHAI JIAO TONG UNIV
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com