105 results about "Evaluation Conclusion" patented technology

The invention relates to an on-line diagnosis and evaluation method of the insulation state of a large electric machine, aiming at accurately diagnosing and evaluating the insulation state by comprehensively considering the influences of working environmental factors, such as vibration, temperature, humidity, and the like, of the electric machine on partial discharge. The on-line diagnosis and evaluation method comprises the following steps of: firstly building a neural network used for identifying discharge modes; constructing a neural network frame in an MATLAB2007 (Matrix Laboratory 2007); extracting a sample from a sample library to train the neural network; respectively building relational models of various discharge modes and the working environmental factors influencing the discharge modes according to the action relationship of the working environmental factors on the different discharge modes; installing various sensors on the large electric machines, and acquiring data; establishing a database; calculating a characteristic value; correcting to obtain a Qm value at a standard working environment; longitudinally comparing corrected Qm historical data read from the database with the current corrected Qm value, and horizontally comparing Qm among three phases of same equipment and among all electric machines so as to obtain the insulation state according to corresponding rules. The invention provides a diagnosis and evaluation conclusion of an insulation fault.

The invention relates to the technical field of ship equipment maintenance guarantee, in particular to a ship equipment maintenance guarantee capability assessment method and system. The method comprises the steps of firstly determining an evaluation object; establishing an evaluation index system according to ship equipment maintenance support capability influence factors, and determining an evaluation object, an evaluation index and a requirement; and finally, constructing a ship equipment maintenance support capability assessment model through an index assignment method, a weight calculation method or an index integration method. According to the method and the system, the applicability of ship guarantee capability assessment in different occasions is improved. Through different index systems, comprehensive and wide data collection is realized, evaluation indexes are more comprehensive according to different index calculation methods, the evaluation conclusion is more objective andfair, and the applicability is wider.

The invention discloses a vertical lift safety evaluation method. An evaluation model is established based on a fuzzy mathematical modeling method and comprises a lift safety evaluation index system part, an index relative importance part and an index fuzzy evaluation standard part. The vertical lift safety evaluation method comprises the following steps of: establishing a hierarchical evaluation model of a safety evaluation index system of a general lift system; determining the index relative importance and determining the safety state fuzzy membership of the evaluation index; and calculating a comprehensive evaluation score F of the lift system so as to realize the lift safety evaluation according to the comprehensive evaluation score F and a corresponding safety level. The modeling evaluation method has the characteristics of successively splitting, refining and integrating, and an effective comprehensive evaluation conclusion can be formed according to the evaluation result of the evaluation index.

The invention discloses a breaker risk evaluation system and a risk evaluation method thereof. The system comprises data management equipment, diagnosis analysis equipment connected with the data management equipment, and search statistic equipment connected with the diagnosis analysis equipment, wherein the data management equipment is used for acquiring equipment machine-account data, technical parameter data, state evaluation conclusion data, environment and safety factor data and accumulated failure occurrence statistic data from a data center; the diagnosis analysis equipment is used for diagnosing and analyzing accessed data according to an optimal risk evaluation model and outputting a risk evaluation result; and the search statistic equipment is used for counting and searching the accessed risk evaluation result, outputting an evaluation conclusion report, and carrying out equipment pre-warning by combining state pre-warning. By adopting the breaker risk evaluation system and the risk evaluation method, information related to breaker equipment can be uniformly maintained and managed with environmental and historical failure data, accident occurrence is reduced, the management level of equipment is improved, and safe and stable operation of a power grid is guaranteed.

The invention relates to a wireless cellular communication technology, in particular to an operators coverage comparison method based on user measurement reports in different GSM (global system for mobile communications) mobile operator systems. The comparison method comprises the following steps: acquiring the user measurement reports, defining a field strength interval measurement threshold based on the measurement reports, and setting the range of frequency points for measurement; and after acquiring the data, processing the measurement reports based on the threshold setting of the covered measurement reports and a coverage model calculation method to obtain an evaluation conclusion of the network coverage level. By using the comparison method, the measurement reports on frequencies and levels of competitors can be collected so as to evaluate the coverage, so that the evaluation result is truer, the working efficiency is higher, and pertinent optimization can be made to the region having great disparity.

The invention belongs to the technical field of dam safety reconnaissance, and discloses a comprehensive evaluation method for the dam safety. The method comprises the following steps that 1, a hierarchical structure model of a dam safety system is constructed to generate a tree diagram which takes an objective layer and a criterion layer as a father-son relationship and takes the criterion layer and a factor layer as a father-son relationship; 2, weights of all factors are obtained on the basis of an analytic hierarchy process; 3, objective weight values of all the factors are obtained on the basis of an entropy weight method; 4, a comprehensive weight of indexes is calculated; 5, the evaluation conclusion membership degree is judged; 6, comprehensive evaluation is performed on the dam properties. According to the comprehensive evaluation method for the dam safety, expert knowledge, engineering experiences and measurement data can be utilized more fully, and the dam working properties can be analyzed and evaluated more comprehensively and thoroughly; in addition, an algorithm is clear, easy to achieve and good in robustness, and the method can serve as a more reliable decision aid mean in dam safety management.

The invention relates to the technical field of transformer state evaluation and particularly relates to a multi-dimensional transformer operation state evaluation method which comprises the followingsteps: acquiring a chromatographic analysis data, an electrical test data and an oilation test data of the transformer oil operation state, and standardizing the acquired datas as sample datas; dividing the standardized datas into training samples and test samples; establishing a transformer operation state multi-dimensional evaluation model by use of the training samples as well as a support vector machine, and acquiring a target function for fault diagnosis; iterating to obtain the best feasible solution of the target function in the transformer operation state multi-dimensional evaluationmodel. According to the method provided by the invention, evaluation is performed in multiple dimensions such as gas dissolved in oil, partial discharge, winding deformation and hot-point temperaturerise and insulating micro water, and the method has the advantages of short fault diagnosis time, fast convergence and the like, and obtains relatively high accuracy; through evidence fusion using multiple factors, the method has the advantages of quite high credibility, clear and accurate evaluation conclusion and strong practicability and operability.

The invention discloses a classification risk evaluation method of lamination defects of plastic packaging devices. The method comprises the steps of carrying out quality consistency analysis on the devices, and checking the surface quality and internal quality of the devices; according to a preset sample size, sampling in batches of the devices which pass the quality consistency analysis, so as to obtain one device to be evaluated; determining the type of the lamination defect of the device to be evaluated by using an ultrasonic scanning microscopy method; carrying out a moisture sensitivity rating test to determine the moisture sensitivity level of the device to be evaluated; determining the grade of the lamination defect of the device to be evaluated according to the type of the lamination defect and the moisture sensitivity level; carrying out an interface fatigue acceleration test on the device to be evaluated; generating a evaluation conclusion of the device to be evaluated according to a test result of the interface fatigue acceleration test. The method has the advantages of clear process, clear and definite criteria and easy implementation; the obtained evaluation result has an intuitive guiding value for the use of a user.

The invention relates to a power cable state evaluation method based on momentum BP neural network, which comprises the following steps: momentum BP neural network with momentum factor is established;the neural network is trained by collecting multi-group data of power cable state index, the weight of the neural network is adjusted gradually by output value, target value, weight change and momentum factor of the neural network, so that the error between output value and target value is minimized globally, after the training, the power cable state index data to be evaluated is inputted to themomentum BP neural network, and the running state of the power cable is judged. Momentum BP neural network has fast convergence and minimal global error. The method can quickly and accurately establish the mapping relationship between power cable status index data and evaluation conclusion, evaluate power cable status comprehensively and accurately, and provide scientific basis for cable operationand condition-based maintenance.

The invention discloses a method for coal mine safety evaluation. The method for the coal mine safety evaluation is characterized in that the coal mine safety evaluation is achieved by means of the analytic hierarchy process, the genetic algorithm is used for realizing consistency of judging matrixes and determination of a sorting weight, and the coal mine safety evaluation is achieved by combination of the genetic algorithm and the fuzzy comprehensive evaluation method. The method mainly comprises establishment of a coal mine safety evaluation system indicator system, determination of a factor set, a comment set and the degree of membership, establishment of grading results and the judging matrixes, acquisition of the weight and a coincidence indicator function computed result, and acquisition of a safety evaluation conclusion. The method for the coal mine safety evaluation is capable of acquiring the weight of an element and realizing consistency of the judging matrixes by theanalytical hierarchy process, and can be widely used for the coal mine safety evaluation based on the analytical hierarchy process.

The invention discloses an interactive multilevel decision method of a comprehensive evaluation in power quality based on a cloud model. By using the cloud model, fuzziness and randomness are integrated together to constitute a mapping between qualitative and quantitative factors, and as a basis of information expression, the feature tallies with fuzziness and randomness of power quality grades. Subjectivity and objectivity can be well unified by an improved interactive multilevel decision model. Through combination of subjectivity and objectivity, a new comprehensive evaluation method of power quality based on the cloud model and the interactive decision is formed to achieve a more accurate, more objective and more scientific evaluation conclusion.

The invention discloses an improved Mond process used for safety evaluation. The improved Mond process for safety evaluation includes steps of 1) acquiring safety information and identifying and classifying the acquired safety information, determining substitution events according to fault tree analyzing method, analyzing various reason events including basic events and non-basic events layer by layer and establishing a fault tree according to the analysis; 2) determining structure importance coefficient of each basic event and sequencing the structure importance of all the basic events from big to small; 3) determining 'suggest coefficient' range of the basic events by the Mond process during safety evaluation; and 4) determining value of 'adoption coefficient' within the given 'suggest coefficient' range, preferably taking high values of the large structure importance coefficients, and taking small values of the small structure importance coefficients. The purpose of realizing rationality of safety evaluation conclusion by means of science of safety evaluation is achieved, and actions on risk prediction and accident prevention from the safety evaluation can be effectively played.

The invention aims at providing a clearance evaluation method for a highway aircraft runway. The method comprises the steps of firstly, establishing a three-dimensional digital model of the clearance of the highway aircraft runway; converting geographical coordinates of an obstacle p into airport coordinates; determining which clearance limit surface of the highway runway the obstacle is located on; calculating the permission height of the obstacle; judging whether or not the obstacle is super high according to a transition surface model; obtaining a clearance evaluation conclusion. The clearance evaluation method for the highway aircraft runway has the advantages that whether or not the obstacle in a clearance area of the highway runway meets clearance requirements can be accurately judged, and the accuracy of the clearance evaluation of the highway runway is improved.

The invention discloses a fuzzy comprehensive evaluation method for aging degree of a ZnO varistor. The method comprises collecting data of power loss change rate, space charge distribution change rate, grain boundary barrier height change rate and grain boundary capacitance change rate in aging process, classifying the collected data and establishing an initial data sample set; establishing an aging evaluation system, wherein the evaluation indexes include four characteristic parameters: power loss, space charge, grain boundary barrier and grain boundary capacitance; determining the comprehensive weights of each evaluation index by AHP; constructing the evaluation model to evaluate the aging degree and draw the evaluation conclusion. The fuzzy comprehensive evaluation method for aging degree of the ZnO varistor combines the macroscopic parameter power loss of ZnO varistor with the microscopic parameter space charge distribution, grain boundary barrier height and grain boundary capacitance, the aging state of ZnO varistor can be evaluated effectively, and the specific aging degree value can be given to show the aging degree intuitively.

The invention discloses a preprocessing method of text sentiment analysis characteristic verification. The preprocessing method comprises the following steps: preprocessing an original training set to obtain preprocessing information, and then, carrying out characteristic verification and characteristic selection on preprocessing information, wherein the step of preprocessing the original training set to obtain the preprocessing information comprises the following specific steps: determining the summary of the original training set, determining the summary of an original characteristic vector set, and expanding original data so as to construct integrated processing information. The preprocessing method has the active effects that analysis information is generated from two aspects of training set and characteristic vector, guarantees the rich degree of the information of an evaluation conclusion, and is simultaneously favorable for improving the accuracy of the whole sentiment analysis flow. The preprocessing method exhibits good universality and expandability, and can perform a good effect on various different modeling and implementation sentiment analysis algorithms.

The invention provides a method for comprehensively evaluating coating protection performance. The method comprises steps of selecting evaluation indexes according to the application occasion of the coating, converting the actually measured values of the selected evaluation indexes into index evaluation values; calculating the comprehensive weight value of each evaluation index by integrating a subjective weighting method and an objective weighting method; and giving an evaluation conclusion of the coating protection performance based on the comprehensive weight values and a comprehensive evaluation standard of the coating protection performance. The invention provides a new evaluation method for the evaluation field of coating protection performance, and the method provides an accurate and reliable basis for the optimal and reasonable use and maintenance of a coating material. The invention also provides a device for evaluating coating protection performance. The device for evaluatingthe coating protection performance greatly simplifies evaluation processes, improves work efficiency, and achieves accurate and reliable evaluation results.

The invention discloses a patent value evaluation method, which includes step 1) establishing a full-dimensional index system F; step 2) establishing a patent information database D; step 3) obtaining the index system FX of the patent to be evaluated; step 4) finding out the Multiple comparative patents with search conditions; step 5) establish market willingness transaction price system; step 6) calculate the m-th potential buyer’s evaluation tendency index βm for the comparative patent DHJ with price data; step 7) get the m-th The revised willing transaction price mPEJk of a potential buyer; Step 8) Obtain the virtual transaction price PEJk; Step 9) Obtain the transaction guidance price of the patent X to be appraised. The invention solves the problem of lack of patent transaction data, comprehensively uses patent transaction price data, authorization price data, infringement compensation amount and patent value evaluation amount data, and makes appraisal conclusions more accurate.

The invention relates to a method for evaluating access of an electric vehicle charging and replacing facility to a power distribution network. The method comprises the following steps of: setting five types of evaluation indexes of technicality, economy, normalization, electric energy quality and system secondary; refining the set five types of evaluation indexes of technicality, economy, normalization, electric energy quality and system secondary; carrying out weight calculation evaluation on the obtained detailed indexes, wherein the indexes are evaluated by adopting a percentage system scoring mode; according to the index system and method, scoring each evaluation index of the power distribution network accessed to the charging and replacing facility one by one; calculating to obtain afinal evaluation score according to the obtained weight of each index; and repeating the above steps to obtain an evaluation value of the scheme of connecting each electric vehicle charging and replacing facility to the power distribution network, and indicating that the scheme is high in comprehensive level with a high evaluation value. An evaluation conclusion is divided into three levels of higher level, middle level and lower level. The method can be widely applied to the field of evaluation of power distribution network access of electric vehicle charging and replacing facilities.

The invention provides an intelligent electric energy meter supplier evaluation method which comprises the following steps: selecting a metering performance index and a business index which comprehensively reflect the error condition of an intelligent electric energy meter to form basic influence factors in an evaluation system; Quantifying the basic influence factors according to corresponding strategies according to actual conditions; an analytic hierarchy process is adopted, basic influence factors are converted into a comprehensive index capable of achieving intelligent electric meter supplier evaluation, and an evaluation conclusion is formed for the supply priority of the intelligent electric meter according to the comprehensive index. An existing evaluation method describes the metering performance of an electric energy meter too roughly, a unified reference is lacked when the index priority is measured and influenced, and a comprehensive and fine transverse comparison conclusion is difficult to form. Therefore, the metering performance of the electric energy meter is refined to four dimensions, the business competitiveness of the supplier is comprehensively considered, andby means of an analytic hierarchy process, a plurality of influence indexes are converted into comprehensive scores under a preset priority reference to form an evaluation conclusion of the prioritiesof different suppliers.

The invention discloses an IPTV service health degree evaluation method based on MLR indexes. The method includes the steps that quality reports uploaded by an IPTV quality analysis system are collected, and normalizing processing is conducted on the MLR indexes; a mean MDI_MLR(medium loss rate) value of an IPTV service of a certain user within an observation period is calculated according to the standard quality reports; the health degree indexes of the IPTV service within the period are calculated according to the mean MDI_MLR value of the user within the observation period; a health degree evaluation conclusion of the user is drawn according to a health degree index H value. By the adoption of the method, timeliness of the evaluation result is guaranteed, accuracy of the evaluation result is improved, and the evaluation result difference caused by superfine record granularity can also be avoided.

The invention discloses a middle and primary school classroom teaching effect big data auxiliary analysis and evaluation system and a method thereof. The system is characterized in that a computer vision and auditory technology which develops rapidly and is based on facial expression recognition, voice recognition and optical symbol recognition is adopted, useful information is mined from collected and generated big data, a classroom teaching effect evaluation conclusion can be obtained conveniently and rapidly, and after-class tutoring suggestions which are clear in direction and extremely high in purposiveness are generated. The method is characterized by comprising the following steps of determining the teaching progress, recognizing the facial expression, judging whether the current knowledge point is taught or not, evaluating the teaching effect of the knowledge point, generating the report, pushing the report and the like. The method is scientific, reasonable, high in applicability and good in effect, students, parents and teachers can benefit from the method, and the academic performance is improved with as little time as possible.

The invention discloses a calculation and risk judgment method for a service dominance degree of a local ecological system. The calculation and risk judgment method comprises the following steps: on the research basis of service consumption of an ecological system, calculating ecological system service provided by ecological system functions in an area and corresponding service consumption essential for living of human beings inside the area, establishing a local ecological system service dominance degree model, taking the ecological system endurance capability and the sustainable developmentpotential into account, judging a service dominance degree threshold which can affect the risks of the ecological system by using a positive / negative bidirectional watershed algorithm, quantitativelypre-judging the risk degree of the ecological system, and performing degree quantitative analysis upon the ecological system service risk situations according to calculation results. The evaluation conclusions of ecological system service are highly related to natural environment data and social economic data of an evaluated area, reasonable utilization of local ecological resources is effectivelyinstructed, excessive consumption of ecological resources is warned in advance, and disordered damage of social economic activities to ecological environments is avoided.

The invention relates to a method for evaluating quality of a mud cake formed in the drilling process of a high-density water-based drilling fluid system. The overall characteristics of the high-density water-based drilling fluid mud cake can be well evaluated so as to provide evidence for instructing the quality control of the mud cake. The problems such as stability of a well wall, underground safety and protection of an oil-gas reservoir caused by the poor quality of the drilling fluid mud cake can be reduced or eliminated. A technical scheme is as follows: the method comprises the following steps: first taking out a drilling fluid mud cake formed by drilling fluid in a high-temperature high-pressure filtration instrument, placing the drilling fluid mud cake in a mud cake test instrument, testing parameters Hc, Hd, Hs, Pi and Pf, and drawing a strength-thickness curve; placing the drilling fluid mud cake into a medium-pressure filtration instrument, measuring Kf, and evaluating overall characteristics of the quality of the mud cake according to the strength-thickness curve as well as an actual thickness, flexibility, compactness, smoothness, strength and lubricating property; and finally obtaining an evaluation conclusion and a comprehensive evaluation report. The method has good instruction significance for the on-site construction and is used for evaluating the quality of the high-density water-based drilling fluid mud cake.

The invention provides a medical care assessment conclusion generation method and device and a storage medium. The method comprises: providing an assessment scale test interface; Obtaining answer dataof the tested person in the evaluation scale test interface; Calculating an evaluation score of the tested person according to a preset evaluation scale scoring standard and the answer data of the tested person; According to a preset score interval division rule, determining a score interval in which the evaluation score of the tested person falls; And determining an evaluation conclusion of thetested person according to a mapping relation between a preset score interval and the evaluation conclusion. According to the invention, the score can be calculated according to the answer data of thetested person to match the evaluation conclusion so as to provide a more targeted evaluation conclusion, and the evaluation conclusion can be bound with the tested person and can be applied to more different scenes to assist an evaluation practitioner in making a rapid decision.

The invention discloses a finance data analysis method. The finance data analysis method comprises the steps of crawling associated data of a target finance company through a crawling program; preprocessing the associated data; conducting text word-splitting on the preprocessed associated data to obtain a text set; analyzing the text set to obtain a topic set through an LDA topic model; calculating a keyword set of the text set through a TF-IDF algorithm; selecting keywords matched with the topic set in the keyword set; selecting expected words of the public to the target finance company, andcalculating the concurrence degree of the expected words and the keywords though a preset model; outputting an evaluation conclusion of the target finance company based on the concurrence degree. Theinvention further provides an application server and a computer readable storage medium. By means of the finance data analysis method and the application server, attitude data about opinions of the public about implemented policies of the target finance company can be quickly obtained, and the development of related businesses is promoted.

The invention discloses a method for optimizing and evaluating green space projects of a power grid enterprise. According to the invention, an evaluation model and an index system are formulated through summarizing basic requirements and general steps of optimizing and evaluating the power grid green space projects, index weights are set, and the development of evaluation software for the power grid green space projects is completed. The green space projects are divided according to the scale and the return and according to project factors and enterprise factors, thereby achieving a purpose ofoptimizing the green space projects scientifically and systematically. The method provides a basis for comparing and evaluating the quality of a kind of green space projects with the same attributes,statistical analysis is performed in allusion to evaluation conclusions and historical data of the green space projects, and scientific and reasonable suggestions are provided on the project implementing effect for decision-makers to refer to.

The invention provides a quantitative evaluation method for scientific and technological project evaluation. The method comprises the phases of index system weight setting and index data fusion processing. In the stage of weight setting, according to a determined evaluation index system, an AHP method is used to calculate the index weight on the basis of the relative importance of an index layer by layer. In the stage of expert data fusion, if the results of expert evaluation are more, the variance of the evaluation value given by each expert relative to the mean of all expert evaluation values is calculated for each evaluation index, and the conclusion that the variance is more than twice the average variance is removed to ensure the accuracy of the evaluation conclusion. If the number of the results of expert evaluation is limited, a final result is acquired through a weighted processing method based on the expert's personal evaluation ability as the weight. According to the invention, the method takes into account the influence of experts on the fairness and accuracy of the evaluation conclusion; different processing policies are adopted for the number of available expert evaluation results; and the neutrality and objectivity of the evaluation conclusion are improved.

The embodiment of the application discloses a task performance evaluation method and system. The task performance evaluation method is used for evaluating rationality of utilization of cluster resources in the task execution process in a distributed cluster system. The method comprises the steps that task identification allocated for tasks by the distributed cluster system is acquired; task attribute values recorded after operation of the tasks are acquired in the distributed cluster system according to the task identification; the task attribute values are compared with the preset rules so that an evaluation conclusion is generated; and the evaluation conclusion is fed back. According to the task performance evaluation method, the task attributes of the tasks are acquired, the tasks are evaluated according to the task attributes based on the preset rules and the evaluation conclusion of the tasks is given so that defects influencing task performance can be pointed out, developers can be assisted to improve, waste of the resources in the cluster can be reduced and execution efficiency of the cluster overall tasks can be enhanced.

The invention provides a market competitiveness analysis and evaluation method for an AC and DC parallel power transmission system. The method comprises the following steps: A, a computer is used for building a transmitting-end power generation grid cost measurement model; B, the computer is used for building a power transmission line power transmission cost measurement model; C, the computer is used for building a receiving-end thermal power and alternative energy power generation cost measurement model; D, the transmitting-end power generation grid cost, the power transmission line power transmission cost and the receiving-end power generation grid cost are calculated respectively; E, the transmitting-end power generation grid cost and the power transmission line power transmission cost are overlapped to form a landing cost; and F, the landing cost and the receiving-end thermal power generation cost are compared, when the landing cost is higher than the thermal power generation cost, the landing cost and the receiving-end alternative energy power generation cost are then compared, and according to evaluation standards, an evaluation conclusion is obtained for a different condition. A different early warning signal is sent according to the comparison result. The invention provides a device for realizing the above method at the same time.

The invention relates to an evaluation method and system suitable for regional energy internet planning and design. The method comprises the following steps: 1) establishing an evaluation index systemfor evaluating regional energy internet planning and design; 2) calculating each evaluation index in the established evaluation index system to obtain an evaluation index value; 3) dividing each evaluation index according to the effect type, the cost type, the approach type and the qualitative type evaluation indexes, correspondingly giving a scoring standard, and calculating a scoring value of each evaluation index in combination with the obtained evaluation index value of each evaluation index; 4) performing weighted average on the obtained score values of the evaluation indexes to obtain acomprehensive score value, and 5) giving an evaluation conclusion through comparison according to the obtained comprehensive score value of the energy internet planning and design scheme of each evaluated area, The method can be widely applied to the field of regional energy internet evaluation.