119results about How to "Reliable evaluation" patented technology

The invention relates to a road running and virtual test parallel mapping experiment method of intelligent automobiles. The objectives of the invention are to improve efficiency and safety of intelligent automobile test. The method comprises steps of firstly acquiring track data of an automobile driven by a driver, interception data of an automatic driving system and planed track data (wherein theintelligent automobile fails to execute the planed track at this moment); then comparing an actual track and the planned track, and searching whether there is a remarkably different scene between thetwo tracks; and then, through the interception information of the intelligent automobile, reconstructing the scene, carrying scene replaying and simulating prediction, calculating safety of the two tracks and evaluating the safety of the tracks. According to the invention, there is no need to use an automatic driving system to control the automobile; and as long as the intelligent automobile runson a road (i.e., a driver is operating the automobile), the test and the experiment can be carried out. Thus, test efficiency can be improved and safety of the test can be ensured.

This invention belongs to internet information process field, which is characterized by the following: firstly it extracts user requirement information from index engine user visit log for sorting on this basis; then for different types of user requirement according to user visit log click information for automatic analysis to get relative click focus point; finally for evaluating index engine to catch index result and processing result evaluation according to user required click focus point to get index engine property data result.

The invention discloses a comprehensive evaluation method for wireless sensor network performance, relates to a least squares support vector regression (LSSVR)-based comprehensive evaluation method for wireless sensor network performance to comprehensively and reasonably evaluate running performance of small and medium-scale wireless sensor networks, and belongs to the technical field of wirelesssensors and network communication. The method is characterized by comprising the following four steps of: determining a network running performance index, determining an independent network running factor value by adopting a factor analysis method, establishing an LSSVR-based network performance comprehensive evaluation model, and performing LSSVR-based network performance comprehensive evaluation with low power consumption. The method solves the traditional problems of 'dimensionality curse' and 'over-learning' by skillfully using a kernel function, is quite suitable for the comprehensive evaluation of the small and medium-scale wireless sensor network performance with a plurality of indexes, assists an administrator in timely and accurately grasping the running condition and tendency ofthe WSN, and provides basis for network running evaluation and optimization.

The invention provides a test device of simulating well concentration cement slurry displacement efficiency. The test device of simulating well concentration cement slurry displacement efficiency comprises a shaft system, a device rack system, a slurry mixing system and a circulation displacement system, and the device rack system, the slurry mixing system and the circulation displacement system mate with the shaft system. The shaft system comprises a shaft and a sleeve which is sleeved in the shaft. The bottom end of the shaft is closed, and the top end of the shaft is an outlet which is connected with the circulation displacement system in a mobile mode. A gap which is arranged between the bottom end of the sleeve and the bottom end of the shaft forms a circulation passage, and the top end of the sleeve is an inlet which is connected with the circulation displacement system. The invention further provides a method of using the device of simulating well concentration cement slurry displacement efficiency to conduct a well concentration cement slurry displacement efficiency simulation experiment. The test device and the test method of simulating well concentration cement slurry displacement efficiency can simulate displacement action of cement slurry in different flow states, detect the displacement efficiency of the cement slurry under conditions of a plurality of well deviation angles, shafts with different sizes and different degree of eccentricity in real-time and can conveniently conduct a multi-angle omnibearing experiment.

The invention discloses a shale gas reservoir staged comprehensive evaluating method. Shale gas well core analysis and test data and logging information are collected, the corresponding relation of the development characteristics and logging parameters of a shale gas reservoir in a target area is determined, and the shale gas reservoir is identified qualitatively; and a key parameter system for evaluating of the shale gas reservoir is selected and determined, shale gas reservoir staged comprehensive evaluating standards are built according to the characteristics and correlation of key parameters, and the quality of the shale gas reservoir in the target area is divided and evaluated quantitatively. The multiple key parameters of the shale gas reservoir are composited, the logging response characteristics of the single-well shale gas reservoir section are combined, thus staged comprehensive evaluating of the shale gas reservoir is formed, and the shale gas reservoir can be evaluated quantitatively in the two aspects of geology and geophysical logging.

A monitoring unit for monitoring an environment outside of a motor vehicle includes a camera with an imaging sensor that has both color pixels and monochrome pixels. Pixel groups each include one or two color pixels and respectively three or two monochrome pixels. The pixel groups are arranged in a repeating pattern of partial color encoding.

The invention provides an evaluation device and method of well cementation flushing efficiency. Designed according to the Reynolds number equality theory, the device comprises a simulated well casing, a heating water tank, a power pump and an electromagnetic flowmeter, wherein the simulated well casing mainly comprises an inner barrel and an outer barrel; the inner barrel comprises an inner barrel body, steel screen meshes with different mesh numbers and an inner barrel end cover; the inner barrel can simulate a stratum under the circumstance that the steel screen meshes are covered with filter paper or the inner barrel is filled with quartz sand; the outer barrel can rotate; guide vanes with different forms are designed to simulate a casing pipe. The method is easy to operate, high in comparability and low in workload, can effectively form a filter cake, simulate and evaluate the characteristics of the flushing efficiency under the circumstance that the casing pipe rotates or a spiral centralizer is used, can evaluate the flushing efficiency of flushing fluid for a first interface and a second interface, can evaluate and optimally select the flushing fluid system and design the dosage of the flushing fluid, and is wide in application.

The invention discloses a supplier evaluation method based on a quantifiable index system. The supplier evaluation method comprises the steps of: determining evaluation indexes used for evaluating supplier levels based on actual service data, wherein the evaluation indexes comprise offer, quality, fulfillment, service, technology, finance and social responsibility; acquiring detailed data corresponding to actual services, and calculating to obtain an evaluation value of each evaluation index according to a preset algorithm; utilizing an entropy method to calculate weight corresponding to each evaluation index; and adopting a TOPSIS scoring method and a GRAY scoring method for scoring suppliers, and endowing different scoring coefficients for calculation to obtain TOPSIS and GRAY comprehensive evaluation results. Therefore, the supplier evaluation method based on the quantifiable index system can be used for constructing a reasonable and effective supplier evaluation index system, the evaluation can reach the degree of quantifiable calculation, and finally accurate and reliable evaluation of the suppliers is realized.

The present invention provides an enhanced image evaluation method. The method comprises the following steps of acquiring the image sequences of a target scene shot at a plurality of different illuminances; selecting a template image for evaluating an enhanced image out of all image sequences; calculating the structure similarity between the template image and the enhanced image; according to the structure similarity, evaluating the enhancement effect of the enhanced image. According to the invention, the above enhanced image evaluation method can be used for objectively and reliably evaluating the image enhancement effects of different image enhancement methods.

An application of proanthocyanidin in preparing the medicines for treating ulcerative colitis and non-bacteria chronic colitis is disclosed.

The invention discloses an on-line evaluation system for thermal performance of a modular heat exchanger. The on-line evaluation system comprises an operation module, a heat exchanger module and a control module, wherein the heat exchanger module comprises a heat exchanger to be measured and temperature pressure test modules; a shell side inlet, a shell side outlet, a tube pass inlet and a tube pass outlet of the heat exchanger to be measured are respectively connected with a shell side inlet operation module, a shell side outlet operation module, a tube pass inlet operation module and a tube pass outlet operation module of the operation module through pipelines; a signal output end of each temperature pressure test module is connected with the control module; the control module is connected with the shell side inlet operation module, the shell side outlet operation module, the tube pass inlet operation module and the tube pass outlet operation module of the operation module through the pipelines. The on-line evaluation system for thermal performance of the modular heat exchanger has the advantages that the structure is simple, the implementation, transportation and operation are convenient, and is suitable for on-line evaluation system for thermal performance of various heat exchangers in various working conditions and operating environment.

The invention belongs to the technical field of control of fruit tree diseases and particularly discloses a method for screening citrus HLB (Huanglongbing) control agents through grafting. According to the method for screening the citrus HLB (Huanglongbing) control agents, a citrus scion infected with the disease is taken as an object, the content change of Candidatus liberibacter asiaticus in the scion infected with the disease and treated with the agents is detected quantitatively through a real-time PCR (polymerase chain reaction), and the control effects of the treating agents are evaluated on the basis. The citrus scion infected with the disease is taken as a study object directly, the agent efficacy evaluation more conforms to practical situations, and influence caused by an interhost such as Diaphorina citri Kuwayama or catharanthus roseus used in screening of Candidatus liberibacter asiaticus control agents is eliminated. The problems that a screening process of the Candidatus liberibacter asiaticus control agents is complicated, a reliable and effective evaluation system is absent and the like at present are solved, and reliable technical and theoretical bases are provided for control of citrus HLB.

The invention discloses a heavy oil-based quantitative identification chart interpretation method with gas logging. An oil-water layer is quantitatively identified by comprehensively applying gas logging parameters, the concept that the oil-water layer is identified by use of a concentric circle chart of parameters of a methane-ethane logarithmic ratio and a light-heavy hydrocarbon logarithmic ratio is provided for the first time. The method is characterized by comprising the steps of: a step of parameter acquisition, selecting various parameters including a heavy hydrocarbon component in gas logging; a step of parameter preprocessing, carrying out parameter evaluation by use of the ratio of the sum of hydrocarbon components to total hydrocarbon, and excluding an oil layer with the thickness of less than 1m in consideration of the limitation of the gas logging technology; a step of parameter calculation, calculating two derivative parameters of the methane-ethane logarithmic ratio and the light-heavy hydrocarbon logarithmic ratio; and a step of establishment of an oil-layer quantitative identification chart, respectively drawing a graphic bar by use of gas logging hydrocarbon component derivative parameters of the methane-ethane logarithmic ratio and the light-heavy hydrocarbon logarithmic ratio according to a drilled measured result. According to the method, the oil-water layer in a reservoir stratum is qualitatively and semi-quantitatively identified by use of a comprehensive logging technology, the first-hand logging information can be fully discovered, and the oil-water layer can be evaluated rapidly and reliably.

The invention provides a brainwave real-time evaluation system. The system comprises a core module, a parameter selection module, a characteristic extraction module and a display module, wherein the core module is connected with the parameter selection module in a wired or wireless communication mode and the characteristic extraction module is connected with the display module in the wired or wireless communication mode; and the parameter selection module is connected with the characteristic extraction module for selecting and extracting various data. In the brainwave real-time evaluation system, the characteristic extraction module is a sensor and is used for extracting various signals and transmitting the various signals to the core module. The system has the advantages of quantitative determination, real-time evaluation, individual pertinence, wide application value, precise determination result and high universality; and the working efficiency and the consistency of an analysis result are improved.

An imaging system for imaging an environment outside of a motor vehicle combines color-coded pixels and non-color-coded pixels in a single imaging sensor of a camera. Pixel groups each include at least one color-coded pixel and at least two non-color-coded pixels. The pixel groups are arranged in a repeating pattern of partial color encoding.

The invention discloses a science and technology project investment and financing evaluation method which comprises a screening index method and an evaluation index method, wherein the screening index method comprises evaluating from five factors, including the policy factor, the product quality factor, the intellectual property factor, the environment influence factor and the industry permission factor; the evaluation index method comprises an evaluation index system which takes the economic benefits as the main investment project and an evaluation index system which takes the social benefits as the main investment project; the evaluation index system and the evaluation index system further comprise risk assessment subsystems and earning assessment subsystems; the risk assessment subsystems and the earning assessment subsystems evaluate science projects based on the demand factor, the technique factor, the capital factor, the design factor, the condition factor, the financial benefits, the economic benefits and the social benefits respectively. According to the characteristics of science project techniques, the science and technology project investment and financing evaluation method evaluates science projects in multiple dimensions and has the advantages of scientificity and relatively comprehensive and reliable evaluation result.

The invention discloses a water quality fluctuating range prediction method based on a combination of a deep learning algorithm and mixed integer linear programming, and belongs to the fields of water environmental protection and monitoring study. The method comprises the steps of firstly, introducing an LSTM (Long Short Term Memory) model architecture suitable for time series data prediction in the deep learning algorithm into modeling of water quality time series point prediction; and secondly, considering that the LSTM model has strong time series prediction performance but has common problems of deterministic prediction methods, namely cannot be used for estimating the indeterminacy of prediction, constructing a general range prediction model based on mixed integer linear programming according to the deviation of validation set sample LSTM point prediction and real values and a confidence parameter, thus giving a water quality fluctuating range prediction method under certain confidence. The method can provide a new solution for water quality prediction, and then provides reliable evaluation and early warning basis for water quality early warning.

The invention provides a method and device for evaluating the fuel consumption of a hybrid electric vehicle. The method and device are applicable to the technical field of hybrid electric vehicles. The method includes the steps that an energy management strategy based on a Pontryagin minimum principle is applied to a computer model of the hybrid electric vehicle, and a plurality of sets of computer simulation result data are obtained by adjusting control parameters; an equivalence fuel consumption curve is obtained according to the multiple sets of computer simulation result data; the fuel consumption giving consideration to a difference between a final SOC value and an initial SOC value in an energy storage system is obtained according to the equivalence fuel consumption curve. By means of the method and device, the problems that in the prior art, when the fuel consumption of the hybrid electric vehicle under the condition that the final SOC value of the energy storage system is unequal to the initial SOC value of the energy storage system is evaluated, the wasted time is longer, and the effective evaluation basis cannot be obtained even though the initial SOC value is repeatedly converted are solved.

The invention discloses a quality control method for edaravone and an edaravone-containing preparation. In the method, an impurity, namely, 2,2',4,4'-tetrahydrophthalic anhydride-5,5'-dimethyl-2,2'-diphenyl-[4,4'-di-3H-parazole]-3,3'-dione in the edaravone and an edaravone preparation is determined quantitatively by photoelectric technology. By the technical scheme of the invention, the qualities of the edaravone and an edaravone-containing medicament preparation can be evaluated and controlled more reliably and accurately.

The invention discloses a method and device for determining an urban traffic operation state, relates to the technical field of road traffic, and mainly aims to determine the overall traffic operationstate of a city by determining traffic operation indexes in multiple different dimensions. According to the main technical scheme, the method comprises the steps of obtaining road section informationof each road section in a target city and a corresponding road section passing speed; based on a plurality of target dimensions, counting the road section information and the road section passing speed to acquire a plurality of traffic state indexes corresponding to each road section, and the target dimensions at least comprising a time dimension and a space dimension; and determining corresponding traffic operation indexes of the target city in a plurality of target dimensions according to the plurality of traffic state indexes corresponding to each road section.

The invention belongs to the technical field of cell engineering, and particularly relates to a method for evaluating cell quality. The method comprises the following steps: A, acquiring useful information of morphological characters of an object cell; B, acquiring the elasticity modulus of zona pellucida of the object cell; C acquiring a bio-electrical signal fed back by the object cell; D, comprehensively evaluating the object cell according to the performed steps. The method for evaluating the cell quality by adopting the technical scheme can be used for effectively reliably evaluating the cell quality with high throughput and high efficiency.

A fuel quality evaluation apparatus and evaluation method enable a reliable evaluation at a low cost. The apparatus includes a combustion chamber which causes an injected fuel to combust, temperature control means which adjusts an interior temperature of the combustion chamber before injection, injection control means which controls the injection, light intensity measurement means which measures flame combustion light intensity, and analysis means which analyzes the measurement result and evaluates a fuel quality. The analysis means causes the fuel to combust a plurality of times, identifies a transformation of a flame light intensity, and evaluates the quality of the fuel based on a variation in the light intensity transformations for each combustion.

A method for evaluating the oil displacing power of microbes includes filling the saline rich in nutrients and microbes in the bore bearing the residual oil after water displacement, slealing the both ends of said bore for culturing microbes, displacing to output fluid, repeating previous two steps utile no crude oil can be recovered, and calculating the ampletude of the covered rate of crude oil displaced by microbes.

The invention relates to a method for the quality evaluation of a component produced by means of an additive manufacturing method and device. In the framework of the method, at least the following steps are carried out: providing image data that characterize at least one component site of the component produced; converting the image data into a binary image (18); eroding the binary image (18) into a structure image (20); determining contour data (22) of the structure image (20); determining at least one image section (24) of the image data that is delimited by the contour data (22); inspecting the at least one image section (24) for the presence of an image region corresponding to a quality defect; and classifying the component as being qualitatively OK if no quality defect is present, or classifying the component as being qualitatively not OK if a quality defect is present.

The invention discloses a method for determining the gas content of a coalbed methane reservoir. First, a gas content calculation model is established according to the response characteristics of the coal core gas content, coal core component ash, density data and logging data measured by experiments, and the original Gas content: Then, considering the impact of structure and hydrodynamic action on gas content, measured formation water salinity measurement data, and established formation curvature calculation formula; using the measured formation water salinity measurement data and the established formation curvature calculation formula to The gas content is corrected to evaluate the current gas content of the coal reservoir. The present invention comprehensively considers the influence of structural strength and hydrodynamic strength in the coal reservoir to obtain the gas content of the coal seam, and can reliably obtain the original gas content of the reservoir based on the experimental component data of the gas content of the coal core, and according to the formation curvature and formation water The salinity data characterizes the impact of structure and hydrodynamics on the gas content of coal reservoirs, evaluates the current gas content, and provides reliable technical support for the current exploration and development evaluation of coalbed methane in my country.

The invention particularly relates to a method for background noise removal by an electromagnetic measuring technology. The method belongs to the technical field of the electromagnetic environment detection and comprises synchronously performing electromagnetic radiation field intensity detection on different detection points along the same direction of radiation source through a detection system which is formed by three same detecting devices; measuring comprehensive field intensity of electromagnetic radiation field intensity and noise field intensity; utilizing a data processing program of the detection system to obtain noise field intensity; and calculating electromagnetic radiation field intensity after noise is eliminated. Accordingly, the method for the background noise removal by the electromagnetic measuring technology has the advantages of enabling measuring results to be accurate and guaranteeing accurate and reliable electromagnetic radiation environmental assessments.

A wind tunnel test balance assessment method based on strain signal energy mainly includes the steps that a model three-dimensional strain gauge, a framework three-dimensional strain gauge and a balance three-dimensional strain gauge are installed on the inner wall of the top end of an aircraft model, a model framework and a balance respectively; Fourier transformation is carried out on strain signals measured out by the three strain gauges in different directions, then a frequency spectrum signal is obtained, energy normalization characteristic values of six frequency bands within 0-300 Hz are calculated out, the difference value between the energy normalization characteristic values of the strain signals in the same direction of the model and the framework is calculated out, and the difference value between the energy normalization characteristic values of the strain signals in the same direction of the model and the balance is calculated out; when the two difference values between the energy normalization characteristic values in the different directions are within the specialized range, an assessment result determines that test data of the balance are credible, and when the two difference values are not within the specialized range, the assessment result determines that the test data of the balance are not credible. Consequently, model mechanical data measured out through the balance are accurate and reliable in a wind tunnel test, and more accurate and reliable test data are provided for aerospace aircrafts.

The invention discloses method and device for evaluating service relative trust. The method comprises the following steps of: obtaining the evaluating value of the main body on the services with the same function and grouping a service evaluating matrix by the evaluating values of the services with the same function; ordering the evaluating values of all services provided by the same main body for all service platforms in the service evaluating matrix in an ascending sequence, using the ordered values as the relative evaluating values for the relative services by the main body and grouping a service relative evaluating matrix by the relative evaluating values of all services; and obtaining the relative trust of the services according to the relative evaluating values of the services in the service relative evaluating matrix. In the network service application, the invention can obtain the relative trust of the services with the same function in different service platforms, the service evaluation is accurate and reliable, and the services with high trust can be provided for users.

The invention discloses an evaluation method of an integrated energy system. The method comprises the following steps: establishing an integrated evaluation index system; calculating the subjective weight of the index of each level relative to the index of the previous level; calculating the objective weight of the index of each level relative to the index of the previous level; calculating to obtain a comprehensive weight; and evaluating the integrated energy system. According to the invention, based on four criteria of economy, energy efficiency, environmental protection and reliability, all aspects of performance of the system are considered; a subjective weight is given to each criterion by adopting the FAHP of a triangular fuzzy number, so that fuzziness and randomness of expert scoring are effectively avoided; EWM is adopted to give objective weights to all indexes, and a strong mathematical theory basis is provided; a comprehensive weight is obtained by adopting a linear weighting method, and experience judgment of experts and objective laws of sample data are comprehensively considered; finally, the evaluation result is more scientific and accurate by adopting a method approaching positive and negative ideal solutions, and the comprehensive energy system can be evaluated more objectively and reliably.