264results about How to "Evaluation results are objective" patented technology

The invention discloses a spectral image-based meat quality visual non-contact detection method. By means of spatial distribution information and spectral characteristic information which are contained in a spectral image and reflect the characteristics of an object to be detected, multiple indexes of meat quality (such as water content, water activity, volatile basic nitrogen, meat color, microorganism counts, acid value and pH value) are respectively or comprehensively evaluated, and evaluation results are given in an image mode according to spatial distribution conditions of specific indexes in the object to be detected. The method can be used for quick and non-contact inspection of meat production, processing, storage, transportation and marketing links, inspection results are accurate and objective, and the expression mode is intuitive, so that a guarantee means for supervising the production and marketing quality safety of meat is provided.

The invention discloses a power distribution network flexibility evaluation method. At present, the definition of the power distribution network flexibility is fuzzy, and therefore the problem that corresponding research on flexibility evaluation and analysis is deficient is generated. The method comprises the steps that structure parameters and operation data of a power distribution network are acquired; flexibility resources of the power distribution network are classified, and probability distribution of operation features of the flexibility resources is subjected to hypothesis testing by adopting a K-S method; the flexibility resource response accuracy degree is calculated, and the time scale of flexibility evaluation is determined; research objects of evaluation are classified, and corresponding two-way separation and calculation of regulation demands are conducted; system loads and wind-light output scenes are analyzed; a flexibility evaluation two-layer index system model is built and solved; and a flexibility evaluation result of the power distribution network in an evaluation cycle is calculated through weighting by means of an entropy weight method. According to the method, the flexibility in the operation cycle of the power distribution network is subjected to comprehensive quantitative evaluation, the index weight is determined by adopting the objective entropy weight method, the evaluation result is scientific and reasonable and can provide further reference and guidance for planning and optimizing operation of the power distribution network.

The invention discloses an electric energy quality analyzer based on Hilbert-Huang transform, which comprises an electric energy quality actual measurement data acquisition part and an electric energy quality analysis part. The electric energy quality actual measurement data acquisition part can be used for realizing the acquisition of electric energy quality data and is mainly used for conditioning signals and acquiring data; and the electric energy quality analysis part can be used for realizing the detection of transient disturbance characteristic of electric energy quality and the analysis of harmonics by using the Hilbert-Huang transform as a core algorithm. According to the electric energy quality analyzer disclosed by the invention, a method for automatically configuring a superposed high-frequency strong signal during mode mixing for improving the transient oscillation analysis as well as a self-adaptive design scheme of a filter during mode mixing for improving the harmonic analysis are established. The analyzer can be used for realizing the theoretical research on a power system together with a PSCAD /EMTDC ((Power System Computer Aided Design/Electro Magnetic TransientsIncluding DC) under a simulation analysis mode, realizing the quality detection for electric energy of a power grid together with an actual measurement data interface in an actual measurement analysis mode as well as analyzing the actual operation condition of the power system.

The invention discloses a natural resource asset off-office auditing evaluation method. The method comprises the following steps of S1: collecting natural resource geographic information data requiredfor off-office auditing; S2: preprocessing the natural resource geographic information data in sequence; S3: extracting various to-be-audited natural resource data and controlled area data from the data; S4: performing superposition analysis, extracting conflict area map spots among different data, and performing check to finally determine violation problems; S5: according to map spot data involved by the determined violation problems, correcting special data of to-be-audited natural resources, and performing summarization analysis on the corrected data to obtain areas of the to-be-audited natural resources; and S6: based on a preset natural resource asset off-office auditing evaluation index system, calculating an evaluation result of a to-be-audited object. Deep application of a geographic information technology is realized; and related natural resource quantities, variables, quality and the like can be audited and evaluated.

The invention provides a comprehensive evaluation method for primary frequency modulation performance of a generator set. The comprehensive evaluation method comprises the following steps of determining an index for evaluating the primary frequency modulation performance of the generator set; performing normalized processing on the index for the primary frequency modulation performance of the generator set; determining the weight of the index for the primary frequency modulation performance of the generator set by a subjective and objective weight combination method; and evaluating the grade of the primary frequency modulation performance of the generator set based on a matter-element extension method. According to the comprehensive evaluation method, the dynamic primary frequency modulation performance index is introduced; the advantages of the subjective weight and the objective weight are combined to solve the weight of the primary frequency modulation performance index; the comprehensive evaluation for the primary frequency modulation performance of the generator set can be carried out based on the matter-element extension method; and in addition, the evaluation result is objective, reasonable and safe, so that foundation is laid for assessment of a dispatching department of an electric power system.

An electric power communication network survivability evaluating method comprises the following steps: a, parts of an electric power communication network are abstracted as nodes, and physical links are abstracted as edges; b, network efficiency in an original state is calculated; c, each node and each edge are deleted in order, and network efficiency of a newly generated graph is calculated; d, fault influence degrees of each node and each edge are calculated; e, a whole-network survivability degree is calculated; and f, evaluation is carried out on the survivability of the electric power communication network through utilizing the whole-network survivability degree. According to the electric power communication network survivability evaluating method of the invention, the importance degree of each part in the electric power communication system for network performance is taken into consideration, and at the same time, effects of the links in the network are taken into consideration, so that a whole destroy process of the electric power communication system can be reflected. The method eliminates one-sidedness of existing evaluating methods. According to the method of the invention, the evaluated results are more objective and reasonable. At the beginning of an electric power communication network topological structure design process, the method is utilized to carry out quantitative analysis on the survivability of the network, and accordingly a design scheme of the network can be optimized and the survivability degree of the network is raised.

The invention relates to a local solar energy resource abundance evaluating system for design of a photovoltaic power station, which can be widely applied to scientific research and engineering application in the fields related to solar energy. In the system, a data acquisition module is used for acquiring various indexes of four meteorological parameters from a meteorological observation system; an integrated operation module is used for operating and analyzing the acquired meteorological data by a representative meteorological year and month method; an evaluation and quantization value acquisition module is used for stacking annual daily total solar radiation data generated in the integrated operation module to acquire an evaluation and quantization value; and a solar energy resource evaluation module is used for comparing the quantization value with an evaluation system to acquire an abundance evaluation result of the solar energy resources. The system can be widely applicable to various areas and climate conditions, the generated annual daily solar radiation data have representativeness, the evaluation result is objective and reasonable, and the system can meet the requirements on design engineering application of the photovoltaic power station.

The invention discloses a method for constructing a cigarette cut tobacco quality evaluation model based on the analytic hierarchy process (AHP), and belongs to the technical field of cigarette technology evaluation. The method comprises the steps of firstly, determining cut tobacco quality evaluation indexes, constructing an evaluation index hierarchical structure model, and forming an evaluationindex system composed of a target layer, a criterion layer and an index layer; secondly, establishing a relative importance judgment matrix according to the relative importance of the evaluation indexes and the inter-layer structure relationship, and calculating the weight of each evaluation index by an AHP judgment matrix; thirdly, adopting different calculation methods for different types of index scores; and fourthly, constructing a cigarette cut tobacco quality evaluation model by using a statistical weighting method to make a comprehensive evaluation of the cut tobacco quality. Comparedwith the prior art, the method of the invention establishes a cigarette cut tobacco quality evaluation model based on the AHP, and can trace the causes of the cut tobacco quality and overcome the shortcomings that evaluation results are easily influenced by the experts' experience, level and subjective factors. The evaluation results are more scientific.

The invention provides a visual attention detection method based on eyeball movement and a system thereof. The method comprises the steps that visual attention test content is displayed through firstdisplay equipment; acquiring a plurality of face images when a testee reads the plurality of E-shaped marks, identifying eye images corresponding to the face images according to the plurality of faceimages, and determining pupil position data of the eye images according to the plurality of eye images, based on the pupil position data, determining fixation point position information of the visualattention test content of the testee on the first display equipment, and determining the visual attention level of the visual attention testee according to the fixation point position information andthe visual attention test content. According to the technical scheme, the visual attention of the visual attention testee can be evaluated automatically, so that the evaluation is more objective, andthe defects of an existing clinical visual attention detection technology are overcome.

The invention belongs to the field of land evaluations, and provides an improved mining industry derelict land reclamation appropriateness fuzzy synthetic evaluation method. The improved mining industry derelict land reclamation appropriateness fuzzy synthetic evaluation method comprises the step of establishing an evaluation index system, the step of determining evaluation index weights, the step of dividing evaluation units based on a mining industry waste map spot extracted from a remote sensing image, the step of determining the evaluation unit dividing sequence according to the evaluation index weights and data obtaining precision of the evaluation index weights, and the step of constantly adjusting the dividing line to enable the evaluation unit shapes and the areas to facilitate production practice to finally obtain the evaluation unit meeting the requirement according to the proportion of the index values of the evaluation indexes in the mining industry derelict land map spot grid area. In addition, the evaluation indexes are divided into a quantitative evaluation index and a qualitative evaluation index, different subjection functions are established for different types of evaluation indexes, and a reclamation appropriateness grade for a specific purpose is obtained. The improved mining industry derelict land reclamation appropriateness fuzzy synthetic evaluation method has the advantages that the evaluation result is more objective and accurate, the workload is low and the evaluation method can directly serve for production practical.

The invention discloses a machine-made particle-shaped evaluation method. The method comprises the following steps: (1) acquiring an image; (2) preprocessing the image; (3) extracting and calculating two-dimensional characteristic parameters of the image; (4) measuring apparent density and bulk density; and (5) extracting and calculating three-dimensional characteristic parameters of the image. The method has the characteristics of being convenient, quick, accurate and objective in evaluation result.

The invention discloses a credit evaluation method based on an AHP (analytic hierarchy process). The credit evaluation method based on the AHP includes: confirming a credit evaluation grade set; confirming a multilevel evaluation index, and constructing an index evaluation system of a four hierarchy structure formed by an overall objective layer, a criterion layer, a discrimination layer and an index layer according to the confirmed evaluation index; confirming value ranges of the evaluation index of the index layer according to three modes of using an actual number, a percentage and a status value; using a matrix judgment method to calculate the weight of the evaluation index according to the importance degree of the evaluation index and structural relationships among the four layers, confirming the value of the evaluation index according to information which constitutes an index element, and then using a preset subordinating degree function to calculate the subordinating degree valued of the evaluation index according to the value of the evaluation index; using the AHP to evaluate the credit grade of an evaluated object. The credit evaluation method based on the AHP has the advantages of being objective, scientific and accurate, and can be widely used in the credit evaluation field.

The invention relates to a method and a system for integrated risk calculation of a computer information system, comprising the following functional modules: an original factor initial risk reliability valuator forms original factor initial risk reliability vector and a comprehensive risk reliability calculator connected with the original factor initial risk reliability valuator for calculating and evaluating the comprehensive risk reliability of the object; the method comprises the following steps: building risk level standard, analyzing the object and building weight, evaluating the original factor initial risk reliability, building risk reliability matrix, calculating the comprehensive risk reliability and quantizing the comprehensive risk. Evaluation factors are used as evidence of the evaluation object, and the risk of the evaluation object is calculated with an evidence synthesis method; the result of the evaluation factors is synthesized from the angle of the evidence, so as to be capable of directly expressing the uncertain or unknown factors in the evaluating process, and the information is kept in the synthesis process of the evaluation factors, thus leading the evaluation result to be more objective and real.

The invention discloses a solar power generation capacity prediction method for a photovoltaic power station. The method includes the steps of firstly, calculating the annual average peak sunshine hours of recent years of the region where the photovoltaic power station is located and the installed capacity of the photovoltaic power station; secondly, calculating the solar power generation capacity Wn of the nth year of the photovoltaic power station and the total solar power generation capacity Wtotal of set years of the photovoltaic power station according to the annual average peak sunshine hours, the installed capacity and photovoltaic module attenuation rates. The method has the advantages that the method is applicable to various regions and meteorological conditions, the generated daily average irradiance of each month, annular average irradiance, installed capacity, annual solar power generation capacity in N years and total solar power generation capacity are representative, solar irradiation data accuracy of regions away from a local solar irradiation observation station or regions without a solar irradiation observation station is increased, and prediction and evaluation results are objective and reasonable.

The invention discloses a meat quality visualization detection device based on a static hyperspectral imaging system, which comprises a light chamber, an imaging system, an image processing and detecting arithmetic unit and a display unit; the light chamber is internally provided with a high-sensitivity camera, a detected object and a light source; the light chamber comprises two independent spaces; a light insulation plate with an observation hole is arranged between the two spaces; the imaging system and the detected object are respectively arranged in the two spaces; the light source is arranged in the space where the detected object is located; for the space of the imaging system, a data output end of the high-sensitivity camera is connected with a data input end of the image processing and detecting arithmetic unit; a display signal output end of the image processing and detecting arithmetic unit is connected with a display signal input end of the display unit; and a data signal output end of the image processing and detecting arithmetic unit is connected with an external equipment interface. According to the device provided by the invention, the detection result is correct and objective, and the expression manner is intuitive, so that guarantee is offered for the quality safety supervision in the production, storage, transportation and sale links of meat.

The invention provides a data mining method based on entropy weight algorithm and analytic hierarchy process, which is characterized by including the following steps: S1, collecting original data used for enterprise evaluations; S2, establishing enterprise evaluation systems from four aspects: technology levels of enterprises, competitive capacities of enterprises, economic values of enterprises and social values of enterprises, and determining evaluation indexes; S3, using entropy weight algorithm and analytic hierarchy process to determine index weights of each evaluation index in enterprise evaluations; S4, according to the evaluation indexes and the corresponding index weights, using fuzzy comprehensive evaluation algorithm to conduct enterprise evaluations and get the results of the enterprise evaluations. By establishing an all-around enterprise evaluation system, the data-mining method can evaluate the technical advancements and practical values of enterprises. And by combining entropy weight algorithm, analytic hierarchy process and fuzzy comprehensive evaluation algorithm, the data-mining method makes the results of the enterprise evaluations more objective and scientific, thus revealing more accurately the strengths of science and technology capabilities of enterprises and offering important references for enterprises to make periodic strategic objectives.

The invention discloses a method for correcting excessive adsorption quantity of adsorbate gas in an isothermal adsorption experiment. The method comprises the following steps: (1) carrying out an isothermal adsorption experiment of the adsorbate gas on an adsorbate to obtain a curve between the excessive adsorption quantity of the adsorbate gas and pressure; (2) selecting at least three points with a linear relation on the curve, obtaining the gradient of a straight line expressed by the linear relation according to a least square method and recording the gradient as k; obtaining a free volume difference amount corresponding to the adsorbate gas with the unit mass according to a formula (1) and recording the free volume difference amount as Vfree-difference; (3) obtaining the corrected excessive adsorption quantity of the adsorbate gas according to a formula (2), so as to realize the correction of the excessive adsorption quantity of the adsorbate gas. In the experiment, a measurement error of the excessive adsorption quantity seriously misleads the exploration and exploitation of shale gas. The excessive adsorption quantity corrected by the method is used for evaluating shale gas resources and an evaluation result is more objective.

The invention discloses a solar wing spreading reliability estimation method based on a multilevel gray comprehensive model. The method comprises the following steps: determining a reliability estimation index set, and determining an index grade; organizing experts to score the index set; establishing an evaluation matrix, and determining an evaluation grey class; computing weight of each factor by using a matter element method and an analytic hierarchy process; computing a grey evaluation coefficient; and outputting a comprehensive evaluation result. The method provided by the invention is applied to the reliability estimation on a small sample and a limited information experiment object, and can accurately estimate the solar wing spreading reliability. The method has the advantages that the reliability factor can be layered, and the analytic hierarchy process is combined with the matter element method to determine the weight of the reliability factor, and the comprehensive estimation result is intuitive, objective and credible.

The invention provides a virtual ocean battlefield 3D visualization effect assessment method, and belongs to the technical field of virtual reality. Firstly, the hierarchical relation of indexes is assessed through the analytic hierarchy process according to the virtual ocean battlefield 3D visualization effect, and the subjective weight reflecting an expert knowledge base is obtained through qualitative and quantitative analysis; the objective weight is determined through the difference drive principle according to the variation degree of the indexes in index sets and the degree of influence on other indexes. The two methods are combined so that the insufficient data volume caused by objective empowerment can be avoided and randomness of subjective empowerment can also be overcome, and the evaluation result is more objective and reasonable. Besides, game theory weight sets become consistent and transigent between the subjective weight and the objective weight, the sum of deviations between the mixed weight and each weight is the smallest, and therefore weight optimization is achieved. Finally, aggregation of the indexes and the weights is achieved by means of double-base-point multi-attribute decision making, closing to an ideal solution and keeping away from a negative ideal solution are used as criterions for evaluating various feasible programs, and a virtual ocean battlefield simulation system is built at last.

The invention discloses a tourism resource recommendation method and system based on tour behaviors. Scenic spot identifiers are provided for intelligent tourist terminals through arranging Bluetooth position label equipment at each scenic spot, and detailed tour tracks of the tourists at the scenic spots can be accurately acquired by the intelligent terminals; tour behavior data of the tourists is acquired by the intelligent terminals of the tourists, evaluation on each tourism resource can be acquired through calculating the tour behavior data of each tourist, and the recommendation result can be dynamically generated. The method is advantaged in that the evaluation data and the recommendation result of each scenic spot of a scenic region can be accurately acquired, the result can be acquired through calculating the tourist tour behaviors, objective and comprehensive properties can be realized, moreover, tour prices of tour resources dynamically change along with seasons, through statistics of the tourist tour behaviors at different time segments, the dynamic scenic region and scenic spot recommendation results at the different time segments can be acquired.

The invention discloses a water resource bearing capacity evaluation method. The method comprises the following six steps of: firstly, determining an evaluation index weight by utilizing an information entropy principle; secondly, constructing a set pair model of an evaluation region and water resource bearing capacity evolution, introducing a concept of contact numbers, and contacting the identical discrepancy contrary of the set pair model; thirdly, based on an evaluation index system, calculating the contact numbers of each layer respectively from the bottom to the top, obtaining the contact number of the last layer in turn by combining a weight vector, and analogizing one by one by obtain the contact numbers of the overall system; fourthly, determining the values of the contact numbers of the systems at each level and a principal value of an n-component contact number by utilizing an equipartition principle; fifthly, equally dividing an interval [-1,1] into n levels by utilizing the equipartition principle according to the concept of the contact numbers to obtain n level intervals; and finally, comparing the values of the contact numbers of each level in the fourth step and the n level intervals divided equally in the fifth step, and analyzing the average mu is positioned in which interval, wherein the level corresponding to the interval in which the average mu is positioned is the evaluation level of the water resource bearing capacity.