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164results about How to "Improve persuasiveness" patented technology

Power transmission and transformation equipment maintenance priority ordering method based on maintenance risk premium

The invention provides a power transmission and transformation equipment maintenance priority ordering method based on a maintenance risk premium. The method comprises the following steps of acquiring information of power transmission and transformation equipment, collecting and analyzing environment information, system information and equipment information of equipment required in an equipment risk source identification step and an equipment risk evaluation step; identifying a power transmission and transformation equipment risk source, performing identification and classified quantization on uncertain factors and safety hazards in the equipment by means of the information which is acquired in the information acquisition step, establishing an equipment operation stopping model; performing equipment fault result severity evaluation, performing topology analysis and trend calculation on a power grid according to an equipment operation stopping condition and fault probability of each set of operation equipment, simulating a power grid operation scene, and evaluating comprehensive result severity of the power grid after the fault of the equipment; and performing equipment maintenance ordering based on the maintenance risk premium for setting an equipment maintenance priority ordering problem on the condition of limited maintenance resource, and supplying theoretical and technological supports for maintenance arrangement. The power transmission and transformation equipment maintenance priority belongs to the field of power transmission and transformation equipment maintenance.
Owner:GUIYANG POWER SUPPLY BUREAU OF GUIZHOU POWER GRID CO LTD

Inertia-assisting GPS deep-integration semi-physical simulation system

The invention discloses an inertia-assisting GPS deep-integration semi-physical simulation system which comprises a GPS receiver, a satellite navigation signal simulator composed of a control mainframe and a radio frequency signal simulator, a ballistic trajectory generator, a strapdown inertia navigation system information simulator composed of an IMU simulator and an inertia navigation computer, a simulation analysis computer and a signal forwarder. The strapdown inertia navigation system information simulator processes the simulation information output by the ballistic trajectory generator to obtain inertia navigation data and transmits the inertia navigation data to the GPS receiver. The ballistic trajectory generator transmits guided missile flight path data to the radio frequency signal simulator. The control mainframe controls the radio frequency signal simulator to generate a satellite navigation simulation signal and sends out the satellite navigation simulation signal through the signal forwarder. The GPS receiver processes the inertia navigation data and the satellite navigation information comprehensively and outputs the final navigation information to the simulation analysis computer. By means of the inertia-assisting GPS deep-integration semi-physical simulation system, the influence of inertia-assisting on the acquisition tracking performance of the GPS receiver is analyzed, and a great significance is provided for research of the deep-integration navigation technology.
Owner:NANJING UNIV OF SCI & TECH

Flight delay conformance analysis and forecast system based on SOA and operation method thereof

InactiveCN101546484AInstant access to prediction resultsFlexible settingsForecastingAircraft traffic controlWeb serviceData acquisition
The invention relates to a flight delay conformance analysis and forecast system based on SOA and an operation method thereof, and belongs to the technical field of civil aviation. The flight delay conformance analysis and forecast system based on the SOA comprises an airport data acquisition front-end processor, a database server, an application server, a graphic server, a Web service calculation server, client equipment and a network communication system. The operation method comprises the following steps that: the application server acquires airport real-time operation data through the airport data acquisition front-end processor; after the airport real-time operation data is converted into forecast data in XML format, the forecast data is transmitted to the Web service calculation server for processing; the generated forecast result is transmitted back to the application server; after weighted processing, the forecast result is generated into a comprehensive forecast result and stores the comprehensive forecast result into the database server to generate delay forecast information with a proper format in a cooperation mode; and the delay forecast information returns to corresponding forecast display clients. The system and the method have excellent openness and interoperability, and provide effective flight large-scale delay conformance analysis and prewarning functions for the civil aviation airport and aviation companies.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Transformer area line loss abnormity associated user accurate positioning method based on data mining

The invention discloses a transformer area line loss abnormity associated user accurate positioning method based on data mining. The method comprises the steps: acquiring a given abnormal transformerarea line loss rate; carrying out the K-means clustering; establishing a transformer area line loss rate standard library and an abnormal library; determining an abnormal time period; preprocessing the power consumption data to obtain user electric quantity with research significance; calculating pearson coefficients of the electric quantity and the line loss rate of each user in the abnormal timeperiod respectively; carrying out preliminary screening by utilizing a set threshold value to obtain a user electric quantity set which is greatly associated with the line loss abnormity; respectively calculating the improved Euclidean distance between each user electric quantity curve and the line loss rate curve in the set; and based on the similarity measurement of the weighted Pearson coefficient and the Euclidean distance, calculating a weight coefficient of the Pearson coefficient and the Euclidean distance, and accurately positioning all abnormal users. According to the method, the relevance between the user electric quantity and the line loss rate of the transformer area in a single scene is considered, and the historical data analysis of the specific transformer area is combined,so that the rapidity and accuracy of accurate positioning are improved.
Owner:NANJING INST OF TECH

Social information based user attribute prediction method and system

ActiveCN107169063AIncrease credibilityDescribe the educational backgroundData processing applicationsData miningData acquisitionSocial analysis
The invention provides a social information based user attribute prediction method and system, which can predict a real identity attribute of a user according to a social group in which the user joins. The social information based user attribute prediction method includes: data acquisition, text analysis, social group analysis and user attribute prediction; acquiring nationwide school names and major names, constructing a prior knowledge base, extracting major/school short name features, using a classifier to predict short names, and perfecting the prior knowledge base; analyzing social groups on the basis of keyword matching, and describing a user education background; calculating valuable information for prediction provided by each group according to experience and a 3 sigma principle; considering differences of each groups, screening a corresponding social group according to the fact if there is class and grade group information in the group in which the user joins, estimating information provided by each group, and predicting the user attribute through weighting calculation. The social information based user attribute prediction method and system can be used for detecting the authenticity of the user attribute, can be used for detecting user social information, and can perform message accurate pushing and friend recommendation according to the predicted user attribute.
Owner:XI AN JIAOTONG UNIV

Prediction method of tight sandstone reservoir pressure

The invention relates to a prediction method of tight sandstone reservoir pressure. The prediction method comprises the following steps: comprehensively comparing an interval transit time well log, aresistivity well log, a density well log and a compensated neutron well log of a single well, and according to the synchronous change trend segment of the interval transit time well log, the resistivity well log, the density well log and the compensated neutron well log, determining the normal compaction segment of a stratum; using the interval transit time well logs corresponding to the normal compaction segments of multiple wells in the same region to establish a comprehensive normal compaction trend line equation; and obtaining an equivalent depth He according to the comprehensive normal compaction trend line equation, and then substituting into a calculation formula of an equivalent depth method to obtain the stratum pressure of a target point. By comprehensively comparing the synchronous change trend of the well logs, the normal compaction segment with high reliability can be determined. The comprehensive normal compaction trend line equation established based on the method has higher credibility and persuasion, thereby greatly reducing the error of predicting the stratum pressure by using the equivalent depth method.
Owner:SOUTHWEST PETROLEUM UNIV

Distribution network investment decision analysis model based on improved Topsis method

A distribution network investment decision analysis model based on an improved Topsis method relates to the field of distribution network investment benefit. The distribution network connects the mainnetwork of the power grid with the electric power users, and undertakes the important task of supplying and distributing electric energy. With the growth of power demand, the scale of distribution network investment is increasing day by day, and the lack of research on distribution network investment benefit evaluation has become a short board affecting the overall development of the power grid.The invention summarizes the present situation and problems of distribution network investment, the factors influencing the investment benefit of distribution network are identified by fishbone diagram, construct the evaluation index system of investment benefit, Combined degree of closeness including hamming closeness, european closeness and grey relational degree is introduced to improve the simplicity of european distance of traditional topsis method, and to strengthen the evaluation results, which can help investors to evaluate the quality of samples more effectively, and provide more powerful theoretical support for the choice of distribution network schemes with similar investment benefits.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Device for simulating coupling effect of foundation pit excavation stress field and underground water seepage field

The invention relates to the field of engineering model tests, and discloses a device for simulating a coupling effect of a foundation pit excavation stress field and an underground water seepage field. The device comprises a model case, a rainfall device, a water supply tank, two variable waterhead cases and a foundation pit excavation model box located in the model case, a displacement sensor isarranged on the foundation pit excavation model box, soil pressure sensor and water pressure sensors are arranged around the foundation pit excavation model box, a pressure measuring hole is formed in the model case, the pressure measuring hole is connected with a water pressure data collection device through the water pressure sensors, a drip hole is formed in the bottom of the rainfall device,a water pump is arranged in the water supply tank, the water pump is connected with the rainfall device through a rainfall conduit, and the bottom of the variable waterhead case is respectively connected with the water supply tank and the model case through a water supply tank connecting pipe and a model case connecting pipe. The device disclosed by the invention can simulate the mutual influenceof the stress field and the seepage field in an foundation pit excavation process under different underground water feeding conditions, and realizes the measurement of an underground water flow fieldand foundation pit settlement under different foundation pit excavation working conditions by the same experimental device.
Owner:HEFEI UNIV OF TECH +1

Intelligent switch equipment detection and debugging device and system, and intelligent switch equipment detection joint debugging method

The invention relates to an intelligent switch equipment detection and debugging device and system, and an intelligent switch equipment detection joint debugging method. The device comprises a system joint debugging device, a network switch and a sensor signal IO device that are connected in sequence. The system joint debugging device is used for conducting system joint debugging of intelligent switch equipment and carrying out inter-operating function tests on intelligent assemblies. The sensor signal IO device is used for carrying out sensor function tests as well as intelligent assembly and sensor interaction function tests. The system comprises the above intelligent switch equipment detection and debugging device and intelligent switch equipment connected and communicated with the intelligent switch equipment detection and debugging device. The method includes the following steps: automatically generating a network message after the intelligent switch equipment detection and debugging device receives control instruction parameters set by a user, sending the network message to an intelligent terminal, and finishing a control function test through comparison of consistency between switch actual motions and issued control instructions. The intelligent switch equipment detection and debugging device is improved in detection debugging efficiency, has a flexible configuration function of test functions, is easy and convenient to operate, and is high in automation.
Owner:PINGGAO GRP +2

Mathematical probability demonstration device

ActiveCN108922331AAutomate statisticsReduce automated statsEducational modelsMathematical probabilityEngineering
The invention relates to the technical field of teaching appliances, and provides a mathematical probability demonstration device. The mathematical probability demonstration device can realize automatic coin toss and ensure that the angle, direction and other factors of each coin toss are the same, greatly reduces the labor intensity of human, and meanwhile, further improves the persuasiveness ofthe experimental results. In addition, according to the mathematical probability demonstration device, a coin can be fed into first coin accommodating holes or second coin accommodating holes according to the orientation of the coin through a coin conveying block and a second driving device, and thus the automatic statistics of the coin orientation is realized. After an experiment is completed, students only need to observe the degree to which a first coin accommodating hole group and a second coin accommodating hole group are filled with coins, and then the students can intuitively judge theprobability of the situation that the front face of the coin faces upwards and the probability of the situation that the reverse face of the coin faces upwards. The mathematical probability demonstration device can help the students accurately understand the knowledge point of probability and greatly reduce the teaching difficulty.
Owner:李春浓

Information security discrimination method, device and equipment, and storage medium

The invention relates to the technical field of artificial intelligence. The invention discloses an information security discrimination method. A crawler system is built on the basis of a distributedsystem framework and a memory type computer engine to acquire information from different channels; then, the advantageous machine learning and semantic definition algorithm in various industries is used to continuously learn related entries of information security and continuously expand data sources for obtaining texts, network security information is analyzed from a more comprehensive field anda deeper level, an internal association relationship between data is constructed, the effectiveness and persuasion of an analysis result are increased, and information transmitted in a network is discriminated based on the learned internal association relationship in a knowledge base of entries. The invention further provides an information security discrimination device and equipment and a computer readable storage medium, internal relations of network information security knowledge are mined, fraudulent or vulnerable scenes existing in network services are identified in an assisted mode, andthe security of network transmission information is improved.
Owner:PING AN TECH (SHENZHEN) CO LTD

Bank service monitoring method and device

The embodiment of the invention relates to the technical field of data processing, in particular to a bank service monitoring method and device, which are used for comprehensively considering multi-dimensional attributes of services and improving the monitoring accuracy and persuasion. The method provided by the embodiment of the invention comprises the following steps: determining a service labelof a monitored service and values of a plurality of service attributes of the monitored service according to transaction data of the monitored service; aiming at any service attribute in the plurality of service attributes of the monitored service, taking the service attribute as a pixel point, and generating a service portrait of the monitored service, wherein the value of one pixel point of theservice portrait is equal to the value of the corresponding service attribute; inputting the service portrait of the monitored service into the convolutional neural network model to obtain probability distribution of the monitored service belonging to different service types, wherein the convolutional neural network model is obtained through training according to historical transaction data; andcomparing the service type with the maximum probability with the service label of the monitored service, and judging the monitored service.
Owner:CHINA UNIONPAY

Lock usage mode automatic static analysis system

Disclosed is a lock usage mode automatic static analysis system. The lock usage mode automatic static analysis system is run in an LLVM (low level virtual machine) analysis framework, and comprises an intermediate code compiler, a support engine and a lock analyzer, wherein the intermediate code compiler is used to compile and link a source code of a target program into an LLVM intermediate code of a single file, the support engine is used to provide support service to the lock analyzer according to the LLVM intermediate code, and the lock analyzer separately analyzes all functions in the target program according to the support service provided by the support engine, collects program language performance data relative to a lock, identifies each lock mode used in a lock sensitivity function, classifies the identified modes according to characteristics of common lock modes, and simultaneously counts occurrence times of the various common lock modes. The lock usage mode automatic static analysis system can identify different lock variables and different lock modes under a low analysis overhead condition, and then discovers a general rule of lock usage through the data, and furthermore provides suggestions to improvement of an analysis tool and concurrent program compiling of a programmer.
Owner:SHANGHAI JIAO TONG UNIV
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