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53results about How to "Accurate and effective judgment" patented technology

Consumer credit application evaluation system and realizing method thereof

The invention discloses a consumer credit application evaluation system and a realizing method thereof. The customer credit application evaluation system and the realizing method belong to the computer field and particularly relate to the field of financial information processing. The realizing method mainly comprises a consumer credit score setting method and a consumer credit evaluation rule setting method. Firstly, consumer credit application information is input. The score of each piece of credit application information is calculated according to the consumer credit score setting method, and then a total score is calculated. The result of the consumer credit application is calculated according to the total score and the consumer credit evaluation rule setting method. The result can be application refusal, transferring the application to artificial evaluation, or application passing in which the application information is stored. Automatic approval is realized through the consumer credit application evaluation system. A purpose of flexibly controlling an approval risk can be realized through flexibly setting an output role for the total score. The realizing method according to the invention has advantages of effectively reducing the approval cost of a financial institution, improving credit granting efficiency and accuracy, and effectively reducing credit risk of the financial institution.
Owner:BANK OF BEIJING CONSUMER FINANCE CO

Water quality abnormal event detection method based on spectral statistical characteristics

InactiveCN104777115AImprove fault toleranceMaintain analytical skillsColor/spectral properties measurementsKernel principal component analysisProbabilistic principal component analysis
The invention discloses a water quality abnormal event detection method based on spectral statistical characteristics. The water quality abnormal event detection method based on the spectral statistical characteristics comprises the following steps: S1. carrying out water quality online data acquisition; S2. carrying out normalization pre-processing on the original spectral data obtained in the step S1; S3. carrying out a principal component analysis on the normalized spectral data obtained in the step S2, and determining the number of principal components in the principal component analysis; S4. extracting principal component factors in the normalized spectral data on the basis of PPCA calculation for the maximum likelihood estimation; S5. carrying out a multi-dimensional statistical variable online detection control chart analysis, calculating control limit values corresponding to the principal component factors in the step S4 on each time point under a normal-state water quality frame, and marking the spectral data exceeding the value as abnormal; and S6. reporting a water quality abnormal event, and carrying out abnormal event probability analysis on an abnormal time sequence obtained in the step S5 to report the water quality abnormal event. The method combines probability principal component analysis and process statistics with a method for quality control for a monitoring chart, and online water quality abnormal event detection can be realized.
Owner:ZHEJIANG UNIV

Paper currency form detection method, paper currency form detection device, and self-service depositing and withdrawing equipment

The invention provides a paper currency form detection method, and belongs to the financial equipment field. The paper currency form detection method includes the steps: by means of two first sensorswhich are symmetrically arranged at two sides of the transmission surface of the first transmission path, acquiring the first state information of the paper currency transmitted on the first transmission path; and based on the first state information, acquiring the form of the paper currency. The paper currency form detection method can determine whether the paper currency are in the inclined state or the state that the neighboring paper currency are connected together, can make relatively more comprehensive prediction of the state of the paper currency, and can improve the determination accuracy. The invention also provides a paper currency form detection device. The paper currency form detection device includes a first transmission path, first sensors and a processor, wherein the two first sensors are symmetrically arranged at two sides of the transmission surface of the first transmission path in the transmission direction being perpendicular to the first transmission path; and thedistance between the two first sensors is not more than the standard length of paper currency. The paper currency form detection device has the advantages of being simple in structure, being convenient to use, being high in detection efficiency and being high in accuracy. The invention also provides self-service depositing and withdrawing equipment. The self-service depositing and withdrawing equipment includes the paper currency form detection device, and has higher usage stability.
Owner:SHENZHEN YIHUA COMP +2

Edge calculation method for low-voltage branch topology real-time analysis based on PV relationship

The invention discloses an edge calculation method for low-voltage branch topology real-time analysis based on a PV relationship. The method comprises the following steps: S01, acquiring voltage and current signals of a transmission cable, performing wavelet packet denoising processing; S02, performing EMD decomposition on the signals to obtain a plurality of IMF components, and using a normalization algorithm to obtain an EMD energy entropy as a feature vector; S03, establishing a credible model based on the edge computing entity according to the feature vector; S04, performing credibility evaluation on the edge computing entity by adopting an analytic hierarchy process, and computing comprehensive credibility; S05, calculating low-voltage information through EMD energy entropy, and converting identification of the current signal into identification of a fault position feature vector; and S06, performing classification detection on the test samples of the fault position feature vectors so as to detect whether the signals are fault low-voltage signals or not, so that the low-voltage line loss positions and the numerical values thereof can be accurately and effectively judged, and meanwhile, an extremely high recognition rate is ensured.
Owner:GUANGDONG POWER GRID CO LTD +1

Comprehensive evaluation method for selection of favorable zones of medium-order coalbed methane reservoirs in small and medium-sized fault-subsidence basins

The invention relates to a comprehensive evaluation method for selection of favorable zones of medium-order coal bed gas reservoirs in small and medium-sized subsidence basins. The comprehensive evaluation method comprises the following steps: 1, evaluating the gas production capacity of a target coal seam; 2, evaluating the reservoir capacity of the target coal seam; 3, evaluating the storage condition of the target coal seam; 4, evaluating the permeability of the target coal seam; 5, defining coal bed methane accumulation main control factors of the target zone, predicting distribution characteristics of the main control factors by utilizing logging, earthquake and experiment analysis data of the research zone, superposing favorable zones of the main control factors, and comprehensivelyanalyzing and predicting favorable high-permeability enrichment zones. The method aims at the actual situation that the exploration degrees of a plurality of coal-bearing basins are different; according to the method, the parameters are reasonably classified, through comprehensive evaluation of the evaluation parameters, the coal bed methane reservoir area can be accurately and effectively judgedto the maximum extent, and the problems that according to an existing evaluation method, due to limitation of the evaluation parameters, evaluation is inaccurate, the selection target of coal bed methane is not clear, and manpower and material resources are wasted are solved.
Owner:NORTHEAST GASOLINEEUM UNIV

Method and device for detecting page overlapping area

The invention discloses a method and device for detecting a page overlapping area, and relates to the technical field of computers. A specific embodiment of the method comprises the steps of hiding other blocks except a target block in a page, and determining a content region boundary of the target block; obtaining a first pixel matrix of the content area of the target block according to the content area boundary of the target block; restoring to display other blocks, and extracting a second pixel matrix of the content area of the target block; and detecting an overlapping area in the page according to the first pixel matrix and the second pixel matrix. According to the implementation mode, on the basis of realizing automatic detection, the accuracy and intelligence are improved, the use and operation are simple and convenient, the time and labor cost are saved, the method has universality, the problem of overlapping misjudgment caused by overlapping of the blank edge distances of the pages is dynamically solved, whether the actual content in the page is overlapped or not can be accurately and effectively judged, so that the overall quality of the webpage can be improved, and the user experience is improved.
Owner:BEIJING WODONG TIANJUN INFORMATION TECH CO LTD +1

Method for selecting grounding lines on basis of initial current traveling waves and wavelets

The invention discloses a method for selecting grounding lines on the basis of initial current traveling waves and wavelets. A novel and reliable method for discriminating the problems in the aspect of selection of single-phase grounding lines for power distribution systems with ineffectively grounded neutral points urgently needs to be created at present. The method includes that amplitude and polarity characteristics of the initial current traveling waves on various loop lines can be represented by modulus maximum values of wavelet transformation, and grounding circuits can be determined according to amplitude and polarity difference of modulus maximum values of the initial current traveling waves of various circuits; traveling wave information in different wave bands can be representedby the modulus maximum values of the wavelet transformation in different scales for power distribution networks with N return outgoing lines on bus when the certain return outgoing lines are subjectedto single-phase grounding, and is used as line selection criteria for single-phase systems, and accordingly line selection results corresponding to the different scales can be obtained. The method has the advantages that the method is based on traveling wave theories, propagation laws and characteristics of transient current traveling waves and traveling wave grounding fault characteristics described by the wavelet transformation used as a tool are utilized, and accordingly the problems in the prior art can be effectively solved by the aid of the method.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +2

Method for utilizing hollow electric compensation electrode to monitor vertical calculating capacitor

The invention provides a method for utilizing a hollow electric compensation electrode to monitor a vertical calculating capacitor and belongs to the field of metrological primary standard testing. The method comprises the steps of: utilizing the hollow electric compensation electrode to measure the measurement sensitivity kONE thereof to the position change of a single metal main electrode; utilizing the hollow electric compensation electrode to measure the measurement sensitivity kALL thereof to the interval change among all the four metal main electrode; and utilizing the hollow electric compensation electrode to monitor the vertical calculating capacitor in such a manner that after the vertical calculating capacitor device runs for a long time, a commercial capacitance bridge to measure the capacitance differences between a circular auxiliary electrode in the hollow electric compensation electrode, each metal main electrode in the vertical calculating capacitor device and all the four metal electrodes respectively when a movable shielding electrode in the vertical calculating capacitor device is arranged on the lowest position and the highest position, and comparing the five capacitance differences with an initial standard value measured when the vertical calculating capacitor is installed and runs normally.
Owner:NAT INST OF METROLOGY CHINA

Building curtain wall safety detection method and system

The invention discloses a building curtain wall safety detection method and system. When the scheme is applied, firstly, the obtained index parameters of the target building curtain wall are analyzedto collect the target parameters, secondly, the first parameter set is screened, the second parameter set is extracted to serve as the reference parameter set, the reference parameter set forms the target sequence unit, the stress distribution information is further obtained, and the label information is found out; and whether the label information changes relative to the index information in thereference information or not is judged, if so, a corresponding potential safety hazard classification table is generated according to the determined potential safety hazard coefficient, further a safety weight value of the target building curtain wall is determined, and finally the safety weight value is compared with a preset safety score weight table and judgment is performed to obtain a safetyscore of the target building curtain wall. And if not, the safety level of the target building curtain wall is judged according to the target weight value. In this way, the safety level of the building curtain wall can be accurately and effectively detected, and then the accuracy of safety judgment of the building curtain wall can be ensured.
Owner:浙江工正工程管理有限公司

Frontier technology information quick pushing method and system based on cosine distance

The invention discloses a frontier technology information quick pushing method and system based on cosine distance. The method comprises two steps of construction of a cosine distance index and information pushing; firstly, scientific and technological information articles are crawled and stored into a scientific and technological information database, and indexes are established for the crawled scientific and technological information articles; then, through quickly comparison of newly increased articles and original articles of the database, whether or not same or similar articles exist is queried, whether or not the contents of the newly increased articles are pushed is judged, and if not, the newly increased articles are selected and pushed to users. The system comprises a cosine distance index module, the scientific and technological information database and an information pushing module. According to the frontier technology information quick pushing method and system based on cosine distance, similarity redundancy of the frontier scientific and technological information which is pushed to the users is avoided, similarity judgement of the articles can be accelerated by adopting cosine distance indexes, and the frontier information is pushed to the users in time.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

An early warning control method and system for a rapid drop in steam temperature of a thermal power unit

This application relates to an early warning control method and system for a rapid drop in steam temperature of a thermal power unit, including: (1) divide the early warning period evenly into several sub-time periods, and when the cycle time reaches different sub-time periods, count the sub-time periods respectively The maximum value of the steam temperature in the time period, and the maximum value of the steam temperature in the early warning time period is obtained after the high value is selected; (2) Calculate the steam temperature drop value in the early warning time period; (3) The steam temperature drop in the early warning time period When the value exceeds the alarm limit, an alarm will be issued, and when it exceeds the warning shutdown threshold, after the quality judgment of the additional measuring point, a steam temperature rapid drop protection signal will be generated; (4) different steam temperature rapid drop protection signals of multiple measuring points will be judged by switching value , to determine the trip protection signal. The invention can accurately and effectively judge the rapid drop of the steam temperature, send a trip protection signal in time, and is beneficial to the safe and stable operation of the generator set.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +2
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