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45results about How to "Implement Performance Evaluation" patented technology
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Network security protection method and network security protection system
InactiveCN109889476AImprove analytical accuracyImprove forecast accuracyTransmissionAnalysis dataReal time analysis
The invention discloses a network security protection method and system. The network security protection method comprises the steps of obtaining multi-dimensional data; preprocessing the acquired multi-dimensional data to generate to-be-analyzed data; analyzing the to-be-analyzed data and generating an early warning report, wherein the early warning report is used for forecasting threats; analyzing the to-be-analyzed data and generating an early warning report, wherein the early warning report at least comprises situation awareness, real-time analysis early warning or network intrusion attackpath and threat traceability analysis; wherein the situation awareness comprises the step of extracting a flow upper limit in a normal network state from the to-be-analyzed data by using machine learning, trusted flow data are divided from the to-be-analyzed data according to the flow upper limit, a flow assessment model is established according to the trusted flow data, network flow is assessed according to the flow assessment model, and the early warning report is generated if abnormal flow is monitored. And the real-time analysis early warning is used for carrying out early warning on abnormal data.
Owner:STATE GRID JIBEI ELECTRIC POWER COMPANY +1
Four-wheel drive pure electric vehicle hardware-in-loop simulation experimental system
InactiveCN103176472AAccurate analysisOptimal Control StrategyElectric testing/monitoringVehicle dynamicsFpga implementations
The invention relates to a four-wheel drive pure electric vehicle hardware-in-the-loop simulation experimental system. The system comprises a drive motor and controller subsystem, an electric dynamometer and controller subsystem, torque and rotational speed sensors, a vehicle dynamic model real-time simulation subsystem and a signal detection and analysis subsystem. The system achieves pure electric vehicle four-wheel independent drive via the motor and controller subsystem, and achieves simulation of vehicle travel load via the electric dynamometer and controller subsystem. Vehicle dynamic response is achieved by operating a real-time simulation model through a real-time controller, and signal input, output and conditioning of a vehicle control unit are achieved by the aid of an FPGA (field programmable gate array). The system is capable of performing hardware-in-the-loop simulation for four-wheel drive pure electric vehicles to achieve rapid development and product testing of a vehicle drive system, and has the advantages of energy saving, safety, rapidness and low cost.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Detecting system and method for partial discharge detecting sensor of GIS (gas insulated switchgear)
ActiveCN103336259AThe result is intuitive and accurateGood effectElectrical measurementsPhysicsPartial discharge
The invention provides a detecting system and method for a partial discharge detecting sensor of GIS. The method comprises steps as follows: detecting and verifying the GIS partial discharge detecting sensor; detecting and verifying a GIS partial discharge UHF (ultra high frequency) sensor; and detecting and verifying a GIS partial discharge ultrasonic and UHF sensor positioning system. The system comprises a system GIS tank, a high-voltage sleeve, grading rings, basin-type insulators, a built-in camera, typical GIS defect models, a standard UHF sensor, a to-be-detected UHF sensor, an ultrasonic signal injection port, a UHF signal injection port, ultrasonic sensors, an ultrasonic partial discharge positioning system and a UHF partial discharge positioning system. The system and the method solve the problems that performance differences of ultrasonic sensors and UHF sensors of manufacturers cannot be compared and the performance of GIS partial discharge detecting systems of the manufacturers cannot be compared.
Owner:STATE GRID CORP OF CHINA +2
Method and system for fault diagnosis of electrical equipment
ActiveCN103149475AImplement Performance EvaluationImprove accuracyElectrical testingState parameterPower equipment
The invention relates to a method and a system for fault diagnosis of electrical equipment. The method comprises the following steps: obtaining a state parameter data and confirming each abnormal state parameter according to the state parameter data; confirming each fault class related to each abnormal state parameter according to a preset fault diagnosis model which comprises an incidence relation between the fault class and the state parameter and a fault influence weight value of each state parameter to the fault class; and performing fault diagnosis on each related fault class according to the fault influence weight value of each abnormal state parameter to the related fault class. According to the method provided by the invention, the incidence relation between each state parameter and each fault class is established, the fault class is possibly related to a plurality of state parameters, and the fault diagnosis is performed on each related fault class according to the fault influence weight value of each abnormal state parameter to the related fault class, so that the comprehensive assessment for the state of the electrical equipment is realized and the accuracy of the fault diagnosis for the electrical equipment is increased.
Owner:GUANGDONG POWER GRID CO LTD
Performance evaluation and operation optimization system for electrostatic precipitation system
ActiveCN107213990AHigh degree of informatizationAdvanced algorithmResourcesElectric supply techniquesEvaluation ConclusionProcess engineering
The invention relates to a performance evaluation and operation optimization system for an electrostatic precipitation system. The performance evaluation and operation optimization system comprises a state evaluation system, an on-line simulation system and the operation optimization system. Multiple key system data of the electrostatic precipitation system are acquired, the real-time operation state of the electrostatic precipitation system is exactly known, the operating data of the electrostatic precipitation system are analyzed through a data algorithm, and evaluation is conducted on the important indexes of the rate of putting into operation, the operating efficiency, energy efficiency and the like of facilities; and modeling is conducted through the system, a full-flow computer simulation model of the electrostatic precipitation system is built, the internal physical rule and the performance constraint condition of the electrostatic precipitation system are applied, the model optimization solution is conducted, the dynamic optimization parameters are determined, and the optimum control strategy of comprehensively considering the economic performance and the environment protection performance is obtained. By the adoption of the performance evaluation and operation optimization system, the performance evaluation and operation optimization of the electrostatic precipitation system can be achieved effectively, and the performance evaluation and operation optimization system has the beneficial effects of being fast in response speed, precise in evaluation conclusion, capable of remarkably improving the efficiency and saving energy and the like.
Owner:ZHEJIANG UNIV
Method and device for prompting password security of form filling component
The invention provides a method and a device for prompting password security of a form filling component. The method comprises the steps of: detecting that a form filling plug-in board adds new login information, obtaining password information in the new login information, generating a single password analysis value of the password information; generating an overall password analysis value of the password information according to the login information stored in the form filling plug-in board, and correspondingly displaying the single password analysis value and the overall password analysis value on the part of the new login information in the form filling plug-in board. According to the invention, assessment of the account password security can be enhanced; multi-password comprehensive assessment is achieved, and the risk of the password security is reminded.
Owner:360 TECH GRP CO LTD
Testing method and testing apparatus of network device
The invention discloses a testing method and a testing apparatus of a network device. The testing method includes obtaining a first transmission time slot between a first data packet and a second data packet according to a capture file obtained from the network traffic; obtaining a second first transmission time slot according to the first transmission time slot and a preset magnification of the data stream of the first data packet; configuring N test packets for N IP (Internet Protocol) addresses of a preset IP address pool of the data stream of the first data packet, wherein the numerical value of the N is identical with that of the magnification; sending the N test packets to a device to be tested according to the second transmission time slot; receiving the test data packet forwarded by the device to be tested; and obtaining test results according to the received test data packet. According to the testing method and the testing apparatus of the network device, the increase of network traffic can be simulated realistically.
Owner:HUAWEI TECH CO LTD
Power distribution network communication system performance evaluation method and device
InactiveCN107634866ASolve Compatibility IssuesImplement Performance EvaluationData switching networksAssessment methodsIndex system
The invention discloses a power distribution network communication system performance evaluation method and device. The method comprises the steps of obtaining performance index data of a power distribution network communication system; carrying out quantization processing on the performance index data; and evaluating the communication network according to the performance index data. According tothe method and the device, a communication performance evaluation index system adaptive to power distribution network communication business transmission is defined, various pieces of performance index data are obtained, fussy normalization processing is carried out on the performance index data, and the communication network is evaluated according to the performance index data. The matching between a communication technology and power distribution business is solved, and the guidance for the model selection of the communication technology in a power distribution communication network construction and transformation process is provided. The performance evaluation of the communication system under different power distribution network business type demands is realized.
Owner:朱秋华
Power transformation material bending and fatigue testing machine
InactiveCN109540693AImplement Performance EvaluationCompact and reasonable structureMaterial strength using steady bending forcesMaterial strength using steady torsional forcesTransformerFlexural strength
The invention relates to the technical field of power transformation material performance test equipment, and provides a power transformation material bending and fatigue testing machine. The power transformation material bending and fatigue testing machine comprises a base, a loading device and a torsion head. The machine is reasonable and compact in structure and convenient to use. Based on thecooperative usage of the loading device, a first screw-nut mechanism, a rotating disc, a first driving mechanism, a tension load sensor and a torque sensor, the rotating disc is rotated or the torsionhead is horizontally moved on the same testing machine. As a result, the testing machine can be used for carrying out conventional bending strength and torsion strength tests on transformer substation insulators and hardware tools with various sizes. The testing machine can also be used for carrying out the fatigue test and simulating the working states of the transformer substation insulators and the hardware tools. Therefore, the performances of the transformer substation insulators and the hardware tools can be evaluated. The testing machine is especially important for evaluating the performances of transformer substation materials.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER +1
Distribution and scheduling method and system for virtual resources
InactiveCN107239337AImplement Performance EvaluationRealize distributionResource allocationSoftware simulation/interpretation/emulationVirtualizationManagement unit
The invention discloses a distribution and scheduling method and system for virtual resources. The distribution and scheduling method for the virtual resources is applied to multiple cloud environments and comprises the steps that (a) cloud environment parameters of each cloud environment are monitored and acquired; and (b) a resource request is acquired, a distribution and scheduling decision for the virtual resources is formed according to the cloud environment parameters and the resource request, and the resource request is distributed to the cloud environment meeting the resource request. The distribution and scheduling system for the virtual resources comprises a monitoring and data acquisition unit, an analysis and assessment unit and a scheduling management unit. Through the distribution and scheduling method and system, when a certain cloud environment has insufficient resources, a new resource request can be automatically deployed to other cloud environments with sufficient resources, the optimal cloud environment can also be obtained through automatic adaptation according to a resource request of a user, and a virtual product with best cost performance can be provided for the user.
Owner:BEIJING ZHIFAN NETWORK TECH CO LTD
Turbine data acquisition system based on industrial internet and edge computing
PendingCN108801441AReduce network bandwidth requirementsGuaranteed Versatility and SecuritySubsonic/sonic/ultrasonic wave measurementUsing electrical meansIndustrial InternetData analysis
The invention relates to a turbine data acquisition system based on industrial internet and edge computing. The turbine data acquisition system based on industrial internet and edge computing includesa shafting vibration signal acquisition module, an industrial soft gateway and a cloud module, wherein the shafting vibration signal acquisition module is used to perform shafting vibration signal acquisition and feature extraction on the shafting vibration signals, and realize remote transmission of the shafting vibration signals after feature extraction; the industrial soft gateway includes a communication module, a turbine data acquisition configuration module and a turbine data sending module; and the cloud service module includes a public cloud service module and a private cloud servicemodule, and the main function of the cloud service module is to perform efficient data management and data analysis. The invention provides a turbine data acquisition, analysis and diagnosis system with good applicability, strong portability, wide data resources and high diagnostic precision. The turbine data acquisition, analysis and diagnosis system effectively improves the problem that the prior art is lag in the detection means, is low in the utilization efficiency of big data, and is low in the accuracy of the analysis and diagnosis results.
Owner:HARBIN ELECTRIC CO LTD
Acquisition method and device for evaluating threshold value of perforation pattern performance
ActiveCN101753264AImplement Performance EvaluationError prevention/detection by using return channelWireless communicationSignal-to-noise ratio (imaging)Algorithm
The invention discloses an acquisition method and a device for evaluating a threshold value of perforation pattern performance. The method comprises the following steps of acquiring a perforation pattern used when encoding information bits according to an expansion matrix of a basic matrix, wherein the expansion matrix is obtained according to the quasi-cyclic basic matrix with low density and anodd-even check code; obtaining a perforation factor and a non perforation factor according to the perforation pattern; obtaining a first mutual information value according to a set signal noise ratio; obtaining a fourth mutual information value according to a conversion matrix, the perforation factor, the non perforation factor and the first mutual information value of the basic matrix; and obtaining the threshold value used for evaluating the perforation pattern performance according to the fourth mutual information value. The invention can enhance the working efficiency and is suitable for perforation pattern performance evaluation of perforations with arbitrary amount and perforation positions.
Owner:HUAWEI TECH CO LTD
Processing system for intelligently judging and predicting occurrence of events
InactiveCN109636012AReduce omissionsProcessing speedForecastingNatural language data processingInformation processingPrediction algorithms
The invention discloses a processing system for intelligently judging and predicting occurrence of events, and aims to provide a processing system which is high in processing speed efficiency, high inprediction accuracy and high in real-time performance. The system is realized through the following technical scheme: a data acquisition and convergence terminal acquiring related data by using various acquisition devices; on the basis of keyword search, associated search is carried out in combination with knowledge base associated content; sending the multi-channel data into a server cluster forconvergence and transmission; a user-defined data interface is gathered to an Ali cloud platform for intelligent information processing, a prediction algorithm module, an intelligent resource configuration module, an evidence element attack and defense algorithm module and a model training algorithm module are utilized, and processing such as prediction of a multifunctional thread support event,evidence closed loop, model training and resource configuration is carried out. The analysis result is sent to a visual display platform through a data interface for processing, and realizing visual display of a functional algorithm and man-machine interaction command input by adopting a B / S architecture and a control input terminal.
Owner:10TH RES INST OF CETC
Capability evaluation method for thrust descending fault of low-thrust engine
PendingCN111666672AImplement Performance EvaluationAvoid remodelingGeometric CADCosmonautic vehiclesClassical mechanicsAxial thrust
The invention discloses a capability evaluation method for a thrust descending fault of a low-thrust engine. The capability evaluation method comprises the following steps: (1) calculating the residual degree D of the axial thrust of an engine; (2) performing fault severity grading judgment on the residual degree D of the axial thrust of the engine; (3) predicting and calculating the remaining flight time ts; (4) calculating theoretical residual flight time tsl; and (5) comparing the remaining flight time ts with the theoretical remaining flight time tsl. According to the capability evaluationmethod, for the small-thrust engine, the shutdown amount information within a certain time period is used for carrying out capacity evaluation, and the influence of quantization errors, inertial measurement unit tool errors and other interference on capacity evaluation is eliminated, and the evaluation accuracy is improved.
Owner:BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
Phase-based partial discharge generation device and method with adjustable discharge capacity and density
PendingCN111060786AGuaranteed safe operationGuarantee stabilityTesting dielectric strengthElectrical measurement instrument detailsVoltage regulationHemt circuits
The invention provides a phase-based partial discharge generation device and a phase-based partial discharge generation method with adjustable discharge capacity and density. The phase-based partial discharge generation device comprises a main control unit, a PWM circuit, a filtering circuit, a pulse generation circuit, a phase shaping circuit, a key and a knob switch, wherein the pulse generationcircuit is used for generating a discharge pulse according to an instruction of the main control unit; the PWM circuit is used for generating a pulse voltage according to the instruction of the maincontrol unit, after the pulse voltage is stabilized and smoothed into a DC voltage by means of the filtering circuit, inputting the DC voltage into the pulse generation circuit to perform voltage regulation on the pulse generation circuit, and further outputting stable discharge voltage; and the phase shaping circuit is used for shaping a phase pulse output from the main control unit into a sinusoidal signal to serve as a phase output signal. The phase-based partial discharge generation device and the phase-based partial discharge generation method can realize verification and performance evaluation of a partial discharge monitoring system and equipment thereof, thereby guaranteeing the safe operation of the partial discharge monitoring system, finally guaranteeing the safe operation of cables, and guaranteeing the stability and reliability of power supply.
Owner:康威通信技术股份有限公司
Multi-mode bus network effectiveness evaluation method
InactiveCN104063613AImplement Performance EvaluationSpecial data processing applicationsThree levelSimulation
The invention discloses a multi-mode bus network effectiveness evaluation method. The multi-mode bus network effectiveness evaluation method includes the following steps of firstly, establishing three levels for evaluating a multi-mode bus network, wherein the three levels include the bus network level, the bus mode level and the bus route level; secondly, determining evaluation criteria and indexes influencing effectiveness of evaluation objects at each level; thirdly, determining the effectiveness evaluation method for each level according to the evaluation criteria and the indexes influencing the effectiveness of the evaluation objects at the level; fourthly, conducting effectiveness evaluation on the evaluation objects at each level according to the effectiveness evaluation method, determined in the third step, for the level and the input and output index data of the evaluation objects at the level. When the multi-mode bus network effectiveness evaluation method is used for multilevel effectiveness evaluation of the multi-mode bus network, effectiveness evaluation on the multi-mode bus network and components or key routes of the multi-mode bus network can be achieved, and the multi-mode bus network effectiveness evaluation method has important theory and practical application significance in achieving multilevel comprehensive effectiveness evaluation on the multi-mode bus network.
Owner:SOUTHEAST UNIV
Operation deduction system and method based on digital twinborn technology
PendingCN112949170AGuaranteed safe operationImplement Performance EvaluationDesign optimisation/simulationResourcesDecision systemSoftware engineering
The embodiment of the invention provides an operation deduction system and method based on a digital twinborn technology, and the system comprises: a deduction parameter input interface module which is used for transmitting input deduction parameters to a parameter interaction database module, and providing data for deduction; the parameter interaction database module that is used for storing the deduction parameters and the actual operation data of the system, transmitting the stored deduction parameters and the actual operation data of the system to the digital twin kernel module, and providing materials for deduction analysis for the digital twin kernel module; the digital twin kernel module that is used for providing a deduction platform, generating various data of operation deduction in combination with actual operation data, storing the data into the system operation database module, comparing actual data and deduction data, and realizing system capability evaluation and operation decision making; and the system operation database module that is used for storing various data generated by operation deduction according to categories and a result obtained by analysis of the digital twin kernel module, realizing reading and transmitting the data and the result to the visual display module.
Owner:BEIJING QIANSIYU ELECTRIC
Intelligent constructional engineering quality acceptance management system
InactiveCN114745399AGuaranteed accuracyImplement Performance EvaluationData processing applicationsCharacter and pattern recognitionManagement systemData science
The invention relates to an acceptance management system, in particular to an intelligent constructional engineering quality acceptance management system, which can accurately identify a to-be-accepted area from an acceptance image by using an image identification detection module, detect the to-be-accepted area according to an identification result and generate detection data. The data comparison module obtains a corresponding related acceptance rule from the acceptance rule generation module based on the identification result, performs comparative analysis on the detection data and the related acceptance rule, generates related acceptance information through the acceptance information generation module, and authenticates the acceptance information by the user network node; the objective of ensuring the accuracy of the final acceptance result of the acceptance project while comprehensively evaluating the quality of the construction project is achieved; the technical scheme provided by the invention can effectively overcome the defects that the accuracy of the acceptance result is poor and the construction engineering quality cannot be comprehensively evaluated in the prior art.
Owner:安徽金蓓检测认证股份有限公司
Correlation assessment method for Internet of Things object information searching and sorting
ActiveCN110020228ASupport personalized query needsImplement Performance EvaluationDigital data information retrievalSpecial data processing applicationsPersonalizationInformation searching
The invention relates to a correlation evaluation method for Internet of Things object information searching and sorting. The method comprises the following steps: 1) establishing a user personalizedinterest model based on user historical query information; 2) establishing a quality scoring mechanism of the article based on the historical query information of the user; and 3) constructing a tripartite graph based on the two contents, and obtaining a correlation score through a random walk algorithm. The method has the beneficial effects that the personalized interest model of the user is mainly established, the quality scoring mechanism of the article attributes is established according to the historical query information of the user, and the correlation evaluation model of the candidatearticles is established. After the model is established, a user-article-article attribute tripartite graph is constructed based on the preference weight of the user and the article attribute quality score; correlation scores of the target user and different candidate items are obtained through a random walk propagation algorithm according to the item attribute tripartite graph, and correlation evaluation of the candidate articles is achieved.
Owner:LINKWELL SCI & TECH CO LTD
A performance evaluation and prediction method of mechanical wear parts based on emd-svd and mts
InactiveCN103674511BSave math featuresImprove real-time performanceMachine part testingFeature vectorSingular value decomposition
The invention provides a mechanical wearing part performance assessment and prediction method based on based on EMD (empirical mode decomposition)-SVD (singular value decomposition) and an MTS (Mahalanobis-Taguchi system), and belongs to the technical field of mechanical wearing part fault diagnosis. The method comprises: first of all, performing noise reduction processing on acquired signals of a monitored object, then performing EMD on the signals, selecting effective IMF (intrinsic mode function) components and residual functions to form an initial matrix, performing SVD on the initial matrix, and performing normalization processing on obtained characteristic values to obtain characteristic vectors; then using an MTS method to calculate an MD (Mahalanobis Distance), and using a Taguchi method to perform optimization and reduction on the characteristic vectors; and converting the MD into a confidence value, performing assessment on the performance of mechanical wearing parts through tracking the trend of the confidence value, and performing prediction on a fault through a correlation module or a matching matrix between the confidence value and conditions of the monitored object. The method provided by the invention avoids the problem of easily occurring errors when a conventional method is used for processing non-linear non-stationary signals, and reduces fault generation probability, thereby being suitable for industrial real-time monitoring.
Owner:BEIHANG UNIV
Radar performance test and assessment method without third party data
InactiveCN108549057AAvoid missingImplement Performance EvaluationWave based measurement systemsAssessment methodsEquations of motion
The invention discloses a radar performance test and assessment method without third party data. The method includes collecting information data, building a motion model, performing non-linear fitting, performing motion equation solving and non-linear fitting calculating, and performing data integration and comparison. The method overcomes the limitations that the conventional radar equipment performance assessment needs a third party to participate, and therefore, the function of self-test and self-assessment of radar equipment itself can be realized, and the BIT function of the radar equipment can be enhanced; and research findings can be used for radar performance assessment, and also used for developing and building models which are used for performance assessment of other parameters of the radar equipment.
Owner:HEFEI RONGKE INFORMATION TECH DEV
Complex device performance evaluating and predicting method of multi-source no-label data machine learning
ActiveCN107545112AFully consider nonlinear dominant factorsAvoid dependenceSpecial data processing applicationsAviationPredictive methods
The invention discloses a complex device performance evaluating and predicting method of multi-source no-label data machine learning. Standard pretreatment is conducted on multi-source no-label degradation data of the complex device at different rotating speeds and different initial degradation degrees, and a mapping relation between the multi-source no-label degradation data and system comprehensive degradation features is established; the nonlinear mapping relation between the comprehensive degradation features and the performance state of the complex device is established, model hyperparameter optimization is conducted, a non-homogeneous implicit semi-Markov model with optimized structure and parameters is obtained; aero-engine multi-source no-label degradation test data is analyzed based on the established model to obtain the initial value, the change time and the duration of each state of the aero-engine implicit performance state, and finally the evaluating of performance and thepredicting of the rest of service life are achieved. The feasible method is provided for evaluating and predicting the performance state by considering the nonlinear factors of the complex device under multi-source no-label data.
Owner:XI AN JIAOTONG UNIV
Test method, device, equipment and system of relocation module and medium
PendingCN114445496AImplement Performance EvaluationImage analysisPositioning aidsMechanical engineering
The invention discloses a testing method, device, equipment and system for a repositioning module and a medium. The method comprises the steps of obtaining first positioning auxiliary data collected by a to-be-positioned object; repositioning the to-be-positioned object based on the first positioning auxiliary data by using a repositioning module; the processing data is used for reflecting the performance of the repositioning module, and in this way, repositioning can be conducted through the repositioning module on the basis of the first positioning auxiliary data collected by the to-be-positioned object, and the repositioning accuracy of the repositioning module is improved. And processing data in the repositioning process is acquired to reflect the performance of the repositioning module, so that performance evaluation on the repositioning module is realized.
Owner:SHENZHEN TETRAS AI TECH CO LTD
Method and device for measuring dissolution rate of solid paraffin inhibitor
PendingCN110687001AImplement Performance EvaluationWeighing by absorbing componentRock coreDissolution
The embodiment of the invention provides a method and device for measuring the dissolution rate of a solid paraffin inhibitor. The method comprises a step of preparing condensate gas by adopting single degassing gas and condensate oil according to standards and putting prepared condensate gas into a condensate gas intermediate container, a step of uniformly mixing the solid paraffin inhibitor anda propping agent and then filling a rock core model with a mixture and weighing the filled rock core model to obtain a first rock core model weight, a step of setting experimental pressure, enabling the condensate gas in the condensate gas intermediate container to flow through the rock core model according to a preset flow rate and contact time under the action of a pressure difference, weighingthe rock core model again to obtain a second rock core model weight, and a step of calculating to obtain a dissolution rate of the solid paraffin inhibitor according to the first rock core model weight, the second rock core model weight, a total condensate gas volume flowing through the rock core model and the contact time of the condensate gas and the solid paraffin inhibitor. The effect evaluation of the solid paraffin inhibitor is achieved.
Owner:PETROCHINA CO LTD
Fan hub center constant-current hot-wire wind speed sensing system and method
PendingCN112761903ANo impact on operationOperation impactMachines/enginesEngine control parametersHigh spatial resolutionSCADA
The invention discloses a fan hub center constant-current hot-wire wind speed sensing system and method, and belongs to the technical field of wind power generation. A constant-current hot-wire probe is fixed on the front end surface of a fairing and is exposed out of the front end surface of the fairing; and the constant-current hot-wire probe is connected with a probe temperature sensor, the probe temperature sensor is connected with a temperature signal collector, the constant-current hot-wire probe and the temperature signal collector are respectively connected with current shunts, the current shunts are respectively connected with a constant-current power supply and a signal conversion controller, and the signal conversion controller is connected to an SCADA system. According to the fan hub center constant-current hot-wire wind speed sensing system and method, the design is reasonable, the total cost is low, and the installation method is simple; the advantages of small geometric dimension, small thermal inertia, high response frequency, continuous measurement, high spatial resolution, small interference on a measurement flow field and the like of a hot-wire anemograph are fully exerted, the wind speed can be accurately measured, and the interference of wind wheel rotation on wind speed measurement is effectively avoided; and meanwhile, measured data can be used for correcting and checking the traditional anemograph.
Owner:HUANENG CLEAN ENERGY RES INST
A space-based information network performance evaluation system and method based on data mining
ActiveCN107919983BImplement Performance EvaluationImprove computing efficiencyWeb data indexingData switching networksAnalysis dataInformation networks
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI
Method and device for prompting password security of form filling component
The invention provides a method and a device for prompting password security of a form filling component. The method comprises the steps of: detecting that a form filling plug-in board adds new login information, obtaining password information in the new login information, generating a single password analysis value of the password information; generating an overall password analysis value of the password information according to the login information stored in the form filling plug-in board, and correspondingly displaying the single password analysis value and the overall password analysis value on the part of the new login information in the form filling plug-in board. According to the invention, assessment of the account password security can be enhanced; multi-password comprehensive assessment is achieved, and the risk of the password security is reminded.
Owner:360 TECH GRP CO LTD
Method and system for estimating property of embedded type system
ActiveCN101620562BImplement Performance EvaluationHigh precisionProgram initiation/switchingHardware monitoringTemporal informationEvaluation system
The invention discloses a method for estimating the property of an embedded type system, comprising the following steps: continuously collecting the time information of a function and the state information of a corresponding function in real time; and realizing the property estimation of the embedded type system in a way of collection result statistics. The invention also discloses a system for estimating the property of the embedded type system, comprising a collection unit, a statistic unit and an estimation unit, wherein the collection unit is used for continuously collecting the time information of the function and the state information of the corresponding function in real time and sending a collection result to the statistic unit; the statistic unit is used for carrying out the statistics on the collection result and sending a statistic result to the estimation unit; and the estimation unit is used for realizing the property estimation of the embedded type system according to the statistic result. The method and the system can precisely estimate the property of the embedded type system.
Owner:ZTE CORP
Data mining system for transformer
InactiveCN110632406AOvercome the shortcomings of monitoringImplement Performance EvaluationElectrical testingElectricityLine sensor
The invention discloses a data mining system for a transformer. The data mining system comprises a sensor module, a micro-processing chip and a data storage; the sensor module is used for acquiring parameters of the transformer, and an output stage of the sensor module is electrically connected with an input stage of the micro-processing chip; and a first output end of the micro-processing chip iselectrically connected with an input end of the data storage. The sensor module comprises a sleeve sensor, an oil temperature sensor, an iron core sensor, a mechanism sensor, a lead sensor, a coolersensor and a pressure regulating sensor. According to the data mining system for the transformer provided by the invention, different types of sensors are arranged on components of a main transformer,then comprehensive analysis and diagnosis are carried out through data of the sensors, the overall performance evaluation of the main transformer is realized, and the service life of the main transformer is effectively prolonged.
Owner:GUANGDONG POWER GRID CO LTD +1
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