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33 results about "Fuzzy operators" patented technology
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Diagnostic method of electrical life of high-voltage circuit breaker based on fuzzy theory
InactiveCN103698698AFast and accurate electrical life diagnosisEasy programmingCircuit interrupters testingEngineeringPower equipment
The invention discloses a diagnostic method of electrical life of a high-voltage circuit breaker based on a fuzzy theory, belonging to the field of online monitoring and failure diagnosis technologies of power equipment. The method comprises the steps of (1), listing factors comprising switch abrasion, time parameter, average opening and closing speed and contact resistance into a factor set as diagnosis factors to determine a diagnosis language set; (2), determining a weight set, namely determining weight of the factors by using an analytic hierarchy process; (3), determining a membership function and a relational matrix; and (4), processing a fuzzy operator and an evaluation index. According to the method, the fuzzy theory is applied to the electric life diagnosis of the high-voltage circuit breaker; the factors such as the switch abrasion, the time parameter, the average opening and closing speed and the contact resistance and the like which reflect the electric life of the circuit breaker are taken into account; a diagnosis index system of the electric life of the circuit breaker is built; a plurality of failure diagnosis sample libraries are not required in the diagnosis method of the electric life of the circuit breaker; the method is easy to program and capable of quickly and accurately diagnosing the electric life of the circuit breaker.
Owner:EXAMING & EXPERIMENTAL CENT OF ULTRAHIGH VOLTAGE POWER TRANSMISSION COMPANY CHINA SOUTHEN POWER GRID +1
Digital picture obscurity enhancement method for anastomosing a plurality of blurring operators
InactiveCN101207697AAvoid uncertaintyImprove visual effectsPictoral communicationPattern recognitionComputer graphics (images)
The invention discloses a digital image fuzzy intensification method for inosculating a plurality of fuzzy operators. The method is divided into four steps: step one, brightness-darkness grades are defined as four grades; step two, for a first grade image and a second grade image , a linear transit function is adopted to make conversion, for a third grade image and a fourth grade image, a nonlinear transit function is adopted to make conversion; step 3, on a fuzzy field, different brightness-darkness grades choose different fuzzy operators to make fuzzy image intensification: for the first grade image, a multinomial intensification operator is adopted to make fuzzy field intensification; for the second grade image, a logarithm type intensification operator is adopted to make fuzzy field intensification; for the third grade image and the fourth grade image, a sectional transit type intensification operator is adopted to make fuzzy field intensification; step 4, inverting back to null-field, fuzzy intensified null-field images are obtained and sent out. The invention can get a better visual efficiency whether the image is of insufficient exposure or over exposure.
Owner:昆山杰得微电子有限公司
High resolution optical remote sensing image post-disaster water body information extracting method and system
ActiveCN106022341AImprove extraction accuracyGuaranteed reliabilityCharacter and pattern recognitionPost disasterAtmospheric correction
The invention relates to a high resolution optical remote sensing image post-disaster water body information extracting method and system. The method comprises the steps that a post-disaster water body region is selected as a target post-disaster water body research region; the high-resolution optical remote sensing image is acquired; radiation calibration, atmospheric correction, geometric correction and noise removing are carried out on the acquired remote sensing image to acquire a preprocessed image; the preprocessed image is enhanced based on a generalized fuzzy operator method to acquire the enhanced image of the target post-disaster water body research region; an object-oriented method is used to segment the enhanced image; a method based on spectral information is used to carry out coarse extracting on water body information in the segmented image to acquire coarse-extracted post-disaster water body information; according to a water body information extraction feature knowledge judgment method, refined extracting is carried out on the coarse-extracted post-disaster water body information to acquire refined-extracted post-disaster water body information; and a regional mark method is used to carry out hole filling on the water body region to acquire final post-disaster water body information.
Owner:ZHEJIANG OCEAN UNIV
Image enhancement method based on intuitional fuzzy set
ActiveCN104463804AIn line with the decision-making processDistinguishing Intuitive AmbiguityImage enhancementPattern recognitionDigital signal processing
The invention relates to the technical field of digital image processing, and discloses an image enhancement method based on an intuitional fuzzy set so as to effectively improve the quality of a weak-edge noise image. Based on the intuitional fuzzy set theory, a new intuitional fuzzy operator is provided; then, through self-adaptation operation on a membership plane, the membership of pixel points in a foreground area is increased, and the membership of pixel points in a background area is decreased; finally, through inverse transformation, a high-quality image is acquired. Specific information of the image is selectively highlighted or restrained, so that the image is more suitable for visual characteristics of humans or recognition functions of other systems.
Owner:INNOVATION ACAD FOR PRECISION MEASUREMENT SCI & TECH CAS
Evaluation method for transformer electromagnetic design scheme
InactiveCN105205251AEvaluation results are objectiveThe evaluation result is accurateSpecial data processing applicationsCorrelation coefficientTransformer
The invention discloses an evaluation method for a transformer electromagnetic design scheme and relates to the technical field of transformers. The evaluation method comprises the following steps: (1) establishing a transformer electromagnetic design scheme evaluation index system, and selecting corresponding transformer electromagnetic design scheme evaluation indexes; (2) constructing an Analytic Hierarchy Process (AHP)-gray fuzzy comprehensive judgment model of the transformer electromagnetic design scheme; (3) determining each evaluation index weight of the transformer electromagnetic design scheme through an AHP; (4) calculating the membership of each evaluation index through a gray correlation coefficient, and performing single-factor evaluation; (5) performing fuzzy composite conversion on each evaluation index weight and a single-factor evaluation structure through a weighted average fuzzy operator to obtain an evaluation result. According to the evaluation method for the transformer electromagnetic design scheme, the transformer electromagnetic design scheme is evaluated correctly, scientifically and objectively by constructing the AHP-gray fuzzy comprehensive judgment model and adopting the AHP and a gray correlation calculation membership.
Owner:HEBEI UNIV OF TECH
Operation-maintenance risk evaluation method for distributed new energy accessing power distribution network
The invention discloses an operation-maintenance risk evaluation method for a distributed new energy accessing power distribution network. The method includes building a hierarchical risk evaluation system; establishing a factor set and a remark set of an evaluation object; calculating the occurrence probability and severity of subdivision risk of each aspect obtained by resolving each project; performing integration evaluation to obtain an evaluation index; building a fuzzy evaluation matrix at all levels based on fuzzy integration evaluation to evaluate the real-time risk level of a power distribution network; determining each subdivision risk weight through methods like objective entropy weight; and obtaining a final evaluation result through fuzzy operators and evaluation index processing. The method can calculate a risk evaluation model of a distributed new energy scale accessing distribution network, so that good adaptation on novel active power distribution network characteristics can be achieved, and detailed information of all risks can be reflected.
Owner:STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO +2
Fuzzy comprehensive diagnosis method for high-voltage shunt reactor based on dissolved gas in oil
InactiveCN105808941AAccurate fault diagnosisEasy programmingFuzzy logic based systemsSpecial data processing applicationsDiagnosis methodsMedicine
The invention relates to a fuzzy comprehensive diagnosis method for a high-voltage shunt reactor based on dissolved gas in oil. The method comprises the following steps that step 1 delta=max(b1, b2 to b9) is computed according to b=(b1, b2 to B9), wherein b=coR, b is a diagnosis result set, c is a weight vector, o is a generalized fuzzy operator and R is a fuzzy relation matrix between encoding and fault types; step 2 if bj is not less than delta / 2, the fault type fj corresponding to the bj belongs to A(suspicious fault set), j=1, 2 to 9, and bj is credibility of the jth fault; step 3 if the degree of membership corresponding to any Ri in a set of Ri corresponding to all nonzero rij in the jth row of elements in a matrix R is not equal to 0, the fault fj probably exists, and the possible fault type fj belongs to B(suspicious fault set); and step 4 an intersection of A and B is a true fault reason set. The method adopted by the invention does not need a large amount of fault diagnosis sample database and is easy to realize programming, and the fault diagnosis of the high-voltage shunt reactor can be quickly and accurately carried out according to the dissolved gas in oil.
Owner:CHONGQING UNIV +1
Flight operation risk calculation method, device and equipment and readable storage medium
InactiveCN110472869AImprove operational safetyRisk accurateResourcesComputer scienceCalculation methods
The invention provides a flight operation risk calculation method, device and equipment and a readable storage medium, and the method comprises the steps: determining each associated node of a targetflight in a risk tree model according to each risk factor of the target flight; calculating a membership vector and a risk value of a parent node of the previous stage of the child node layer by layerby utilizing the membership vector, the weight and the fuzzy operator of the child node in each associated node; and taking the risk value of the root node of the risk tree model as the risk value ofthe target flight. According to the method, the risk tree model is established, and the risk value is calculated by adopting the membership degree based on the weight and the fuzzy operator, so thatthe obtained risk value is more accurate, accurate early warning can be realized, and the flight operation safety is improved.
Owner:AIR CHINA LTD
High-resolution image reconstruction method based on directivity gradient
The invention discloses a high-resolution image reconstruction method based on a directivity gradient. The high-resolution image reconstruction method comprises the following steps: 1) obtaining a main texture direction [Theta] for inputting a low-resolution image I belongs to R<m*n>; 2) utilizing a bicubic interpolation method to interpolate the low-resolution image I into a high-dimensionality interpolation image IL; 3) carrying out variable initialization and parameter selection; 4) obtaining a fuzzy operator matrix Fh and a conjugate fuzzy operator matrix FHh; 5) updating the value of xij; 6) updating the value of IH; 7 updating the value of Xij; and 8) judging whether convergence is carried out. A regular item of the directivity gradient is introduced to better show and dig direction texture information implied in the image so as to introduce prior information with better value into an ill-posed high-resolution reconstruction problem, and the high-resolution image with a better effect is obtained.
Owner:哈尔滨工业大学人工智能研究院有限公司
Augmented reality image reproduction method based on fuzzy logic
InactiveCN106408539AImprove clarityReduce noiseImage enhancementImage analysisWavelet decompositionSelf adaptive
The invention discloses an augmented reality image reproduction method based on fuzzy logic, which relates to the technical field of augmented reality. The augmented reality image reproduction method comprises the steps of carrying out dual-tree complex wavelet decomposition on a reproduced image after denoising treatment firstly, so as to obtain a low-high-frequency coefficient matrix, performing fuzzy processing on low-frequency and low-frequency and high-frequency coefficients, namely, processing the coefficient matrix by utilizing a generalized fuzzy operator (GFO), mapping the coefficients into an ordinary fuzzy set, wherein some parameters therein are obtained through self-adaption, and performing inverse transformation on the processed coefficient matrix to obtain an augmented image. By adopting the augmented reality image reproduction method based on fuzzy logic, the objective image definition of the reproduced image can be increased, the noise can be reduced, and the edge details are expressed more obviously.
Owner:BEIJING WEIMEI YUNXI SOFTWARE CO LTD
Supplier selection method and device based on intuitive fuzzy number and credit transfer
InactiveCN107679709AObjectively evaluate attribute weightFuzzy logic based systemsBuying/selling/leasing transactionsHyperlinkProperty value
The invention discloses a supplier selection method based on intuitionistic fuzzy number and credit transfer. In the supplier selection method, the intuitionistic fuzzy number is used to represent the original reputation score of the procurement link in the supply chain, and the intuitionistic fuzzy average IFA operator is used to The original reputation score is preprocessed to generate a reputation score matrix, and the hyperlink-induced topic search HITS algorithm based on intuitionistic fuzzy numbers is used to calculate the value of the supplier's reputation attribute after delivery, and finally according to the supplier's reputation attribute value and the preset supply other attribute values of the supplier, and select the optimal supplier. The device of the present invention includes a preprocessing module, a reputation attribute transfer module and a supplier selection module. The method and device of the present invention fully consider the transitivity and dynamic properties of the reputation attribute value of the supplier, so that the selected supplier is optimal.
Owner:ZHEJIANG UNIV OF FINANCE & ECONOMICS
Parallel mechanism configuration optimization method of round steel end surface labeling serial-parallel robot
InactiveCN107563068AOptimizing Labeling SuitabilityImprove practicalityFuzzy logic based systemsSpecial data processing applicationsConfiguration optimizationComputer science
The invention relates to a parallel mechanism configuration optimization method of a round steel end surface labeling serial-parallel robot, and belongs to the technical field of labeling in the metallurgical industry. According to the technical scheme, a fuzzy comprehensive evaluation decision set is built; a fuzzy comprehensive evaluation factor set is built; an index weight set is determined; acomprehensive evaluation matrix is determined; the index weight set and the comprehensive evaluation matrix are multiplied by a fuzzy operator to obtain a sequencing result, and parallel mechanism configuration optimization of the labeling serial-parallel robot is carried out. The weights of all evaluation indexes and the comprehensive evaluation matrix are calculated through the AHP, sequencingof parallel mechanism configuration is achieved through a fuzzy algorithm, and parallel mechanism configuration optimization is completed. According to the method, the parallel mechanism configurationof the round steel end surface labeling serial-parallel robot is effectively optimized, the labeling adaptability of the round steel end surface labeling serial-parallel robot is optimized, and the practicability of a round steel end surface labeling mechanism is improved.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
Ontology-based fuzzy evaluation search engine advertisement optimization method
The invention belongs to the field of data processing, and particularly relates to an ontology-based fuzzy evaluation search engine advertisement optimization method, which comprises the following steps: S1, constructing a search engine advertisement semantic model of an ontology, describing search engine advertisement field knowledge on a semantic level, reusing and integrating an existing ontology model, and realizing information exchange and sharing; and S2, based on a multi-attribute entropy weight fuzzy comprehensive evaluation algorithm, calculating attribute weights by using informationentropy, constructing a membership matrix by using a triangular fuzzy number, constructing a multi-attribute comment evaluation coordinate system according to an optimization target and an optimization rule, and performing calculation through a fuzzy operator to obtain a final optimization subset. By means of the technology, early-stage work (rough optimization) of search engine advertisement optimization can be automatically achieved, and further deep optimization is completed to a certain extent, and the labor cost is effectively saved for enterprises, and the investment return rate of search engine popularization is increased.
Owner:ZHENGZHOU NORMAL UNIV
Wind power prediction method based on time interval fuzzy operator and approximate weight integration
ActiveCN107194509AReduce capacityImprove securityForecastingCharacter and pattern recognitionElectricityAlgorithm
The invention discloses a wind power prediction method based on a time interval fuzzy operator and approximate weight integration, so as to solve the defects that certain time delay exists when a generator blade is pushed by wind to rotate and output power change is finally reflected currently, data collected from a wind farm are possibly disturbed by noise factors, fluctuation in a short time thus appears and good prediction is hard to realize. The method comprises steps: 1, the power change trend at a precursor time point of each time point is calculated; 2, all data are divided to G groups, and each group of data is corresponding to a center point; 3, G regression forecasting models from model (1) to model (G) are acquired; 4, the approximate weight of each center point is built based on a description vector V and the distance between center points of groups of data; and 5, a wind power prediction result is acquired. The method is applied to the technical field of wind power.
Owner:CHANGCHUN INST OF TECH
Satellite efficiency evaluation method
InactiveCN112118038AOptimize resource management efficiencyReduce resource consumptionRadio transmissionCommunications systemControl engineering
The invention provides an efficiency evaluation scheme based on an environmental fuzzy factor in a satellite communication system efficiency evaluation technology based on cognitive radio. In performance evaluation of a cognitive satellite communication system, an environmental fuzzy factor is innovatively added to construct an environmental parameter system on the basis of combination of an analytic hierarchy process and a fuzzy comprehensive evaluation method. Firstly, an index parameter system is constructed according to an analytic hierarchy process, and then an environment parameter system is constructed according to the surrounding environment and environment fuzzy factors. A fuzzy operator of the fuzzy comprehensive evaluation method can make up the weight subjectivity problem of ananalytic hierarchy process, and the analytic hierarchy process can simplify the tedious steps of data preprocessing of the fuzzy comprehensive evaluation method. Besides, the newly added environmental parameter system not only can evaluate the efficiency of the satellite communication system more truly, but also can dynamically adjust the input parameters of the system, thereby achieving the effect of feeding back the system and improving the overall efficiency of the system.
Owner:BEIJING UNIV OF POSTS & TELECOMM +1
Building engineering credit model generation method and device
PendingCN114548700AAvoid inaccuraciesImprove accuracyBuying/selling/leasing transactionsResourcesEvaluation resultData source
The invention discloses a construction engineering credit model generation method and device, and the method comprises the steps: obtaining the credit index data from a preset block chain, thereby effectively avoiding the inaccurate data caused by the manual filling of data, and improving the accuracy of a data source; according to the credit index data, an index factor set of the constructional engineering is determined, and the index factor set comprises a plurality of index factor subsets, so that index factors for evaluating the constructional engineering are classified, and credit evaluation can be performed for different construction stages of the constructional engineering; and performing single-factor evaluation on the index factor set to obtain a fuzzy relation matrix and a fuzzy weight vector of the index factor subset, and finally performing operation on the fuzzy relation matrix and the fuzzy weight vector according to a preset fuzzy operator to obtain the construction engineering credit model. Therefore, the man-made subjective influence of the credit evaluation scheme is reduced in a fuzzy mode, and the credit evaluation result of the credit model is more objective.
Owner:GUANGZHOU YUEJIAN SANHE SOFTWARE
Multi-level fuzzy comprehensive decision-making power distribution network risk assessment method
InactiveCN111126790AReliable assessmentImprove practicalityFuzzy logic based systemsResourcesRisk levelRisk indicator
The invention discloses a multi-level fuzzy comprehensive decision-making power distribution network risk assessment method. The method comprises the steps of analyzing risks in a classification system; establishing a factor set and a comment set of the evaluation object; calculating the occurrence probability and severity degree of each risk; evaluating the comprehensive risk level of each subdivision risk; substituting the membership function to obtain a membership matrix; determining the weight of each level of risk index; performing fuzzy comprehensive judgment by utilizing a fuzzy operator; output and display of results. According to the invention, reliable assessment of the risk of the power distribution network is realized, the characteristics of the novel active power distributionnetwork are better adapted, and detailed information of each risk can be reflected. Good practicability and credibility are realized.
Owner:JIANGSU ELECTRIC POWER CO
Multilevel comprehensive evaluation model for triangular fuzzy analytic hierarchy process
PendingCN113505965AGuaranteed uptimeGeometric CADDesign optimisation/simulationFuzzy operatorsFuzzy analytic hierarchy process
The invention discloses a multilevel comprehensive evaluation model for triangular fuzzy analytic hierarchy process. The multilevel comprehensive evaluation model comprises the following steps: S1, constructing a risk evaluation index system of a hierarchical structure; S2, determining a factor set and a weight set; S3, determining the index weight of each layer by using a triangular fuzzy analytic hierarchy process; and S4, establishing a bottommost index membership degree by using an expert consultation method, calculating each index membership degree of an upper layer by using a fuzzy operator, and sequentially and upwards transmitting until a final evaluation result of the evaluation target is obtained. The weight of each factor is determined by adopting the triangular fuzzy analytic hierarchy process, a multilevel comprehensive evaluation model based on the triangular fuzzy analytic hierarchy process is developed, a secondary index system is replaced by a three-stage index system, secondary comprehensive evaluation is changed into three-stage comprehensive evaluation, meanwhile, fuzziness of expert assignment is fully considered. And the index weight of each layer is determined by applying the triangular fuzzy number theorem, and the ship operation is subjected to safety risk assessment by the established three-level comprehensive evaluation model of the triangular fuzzy analytic hierarchy process.
Owner:武汉船舶职业技术学院
Reliability analysis method for high-voltage electrical system of pure electric commercial vehicle
PendingCN113962079AReduce troubleshooting timeDesign optimisation/simulationFuzzy logic based systemsFuzzy probabilityReliability design
The invention discloses a reliability analysis method for a high-voltage electrical system of a pure electric commercial vehicle. The method comprises the following steps: dividing the high-voltage electrical system of the pure electric commercial vehicle into three subsystems, and building a fuzzy fault tree for each subsystem; dividing each fuzzy fault tree into a function failure mode sub-fault tree and a state degradation mode sub-fault tree; solving the failure probability of the function failure mode sub-fault tree and the importance degree of bottom events according to a fuzzy probability of each bottom event by utilizing a fuzzy mathematical theory and a triangular fuzzy operator; obtaining the fuzzy probability through linguistic variables, and processing the fuzzy probability to obtain a probability when a polymorphic bottom event is in a failure state; solving a failure probability of the state degradation mode sub-fault tree, and combining the failure probability of the function failure mode sub-fault tree and the failure probability of the state degradation mode sub-fault tree to obtain the reliability of each subsystem. According to the invention, the fault diagnosis time is saved, and theoretical guidance is provided for reliability design of a high-voltage electrical system of a pure electric commercial vehicle.
Owner:GUILIN UNIV OF ELECTRONIC TECH +1
Metering cabinet state detection method, device, equipment and medium
ActiveCN112989573AImprove trustworthinessDesign optimisation/simulationSpecial data processing applicationsEvaluation resultEngineering
The invention discloses a measuring cabinet state detection method, device, equipment and medium, and the method comprises the steps: dividing feature information into different fuzzy factor sets, and obtaining a fuzzy factor set weight matrix and a comprehensive score value of each fuzzy factor set; calculating the fuzzy factor set weight matrix and the comprehensive score value of each fuzzy factor set through a fuzzy normal distribution membership function to obtain a state score of each fuzzy factor set; selecting a feature identifier corresponding to the minimum score value as a target identifier through a minimum fuzzy operator; inputting the minimum score value into a normal distribution membership function model for calculation to obtain a membership value corresponding to each feature identifier, and determining the state level corresponding to the maximum membership value as the state level of the to-be-detected metering cabinet; and determining the detection result based on the state level and the target identifier, so that more information with relatively low membership and evaluation value is shielded, and the credibility of the evaluation result is improved.
Owner:国网四川省电力公司营销服务中心
INS/USBL integrated navigation system performance evaluation method based on nonlinear FCE
ActiveCN109934484AScientific Quantitative AssessmentResourcesEnergy efficient computingThree levelNavigation system
The invention belongs to the field of satellite navigation, and particularly relates to an INS / USBL integrated navigation system performance evaluation method based on nonlinear FCE, which comprises the following steps of: establishing an INS / USBL integrated navigation system index system and a comment level; calculating an evaluation matrix based on a membership function; calculating a combined navigation system weight vector C; comprehensive evaluation and normalization are carried out; an evaluation level interval quantization value is calculated. According to the invention, performance evaluation is carried out on an INS / USBL integrated navigation system by using nonlinear FCE. According to the method, an INS / USBL integrated navigation system is designed, a three-level index system ofthe INS / USBL integrated navigation system is designed, the performance of the integrated navigation system is evaluated from device-level errors, a nonlinear FCE based on a nonlinear fuzzy operator isdesigned, and the method can scientifically and quantitatively evaluate the INS / USBL integrated navigation system.
Owner:HARBIN ENG UNIV
Fan regulation and control method and device for performing fuzzy control on multiple temperature sensors
PendingCN114647183AAvoid downtimeReliable design principleDigital data processing detailsHardware monitoringTemperature controlDefuzzification
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Ship transmission device belt seawater cooling system evaluation method
PendingCN113983030AEfficient reliability assessmentAccurate Reliability AssessmentGeometric CADFluid-pressure actuator testingMarine engineeringAtmospheric sciences
The invention provides a ship transmission device belt seawater cooling system evaluation method, which comprises the following steps: (1) analyzing a fault of a ship seawater cooling hydraulic system, and selecting a top event; (2) subjectively judging the fuzzy occurrence probability of the basic event through an expert; (3) constructing a T-S fuzzy fault tree; and (4) calculating the occurrence probability of the top event by using and / or a fuzzy operator. According to the method, the reliability of the ship seawater cooling hydraulic system can be effectively evaluated, the problem that a traditional dynamic fault tree cannot be effectively evaluated due to imperfect unit probability measurement and unclear system failure mechanism is solved, and the efficiency and accuracy of the risk evaluation method for the ship seawater cooling hydraulic system are improved.
Owner:中国船舶重工集团公司第七0三研究所
Computer-implemented method for determining criticality values of a technical system
PendingUS20220138533A1Satisfactory reliabilityDetecting faulty hardware using neural networksDesign optimisation/simulationDependabilityLearning methods
A computer-implemented method for determining criticality values of a technical system. The method includes: specifying a reliability of the technical system that is to be satisfied; providing a fuzzy fault tree for the technical system, the fuzzy fault tree comprising a fuzzy top event and multiple fuzzy basic events and logical programmable fuzzy AND / OR operators; transforming the fuzzy fault tree into a flexible neural network comprising a tree structure; determining an optimized flexible neural network by carrying out a learning method for optimizing the flexible neural network, the optimized flexible neural network achieving the reliability of the technical system that is to be satisfied; deriving criticality values of the fuzzy basic events from the optimized flexible neural network.
Owner:ROBERT BOSCH GMBH
Digital picture obscurity enhancement method for anastomosing a plurality of blurring operators
InactiveCN101207697BAvoid uncertaintyImprove visual effectsPictoral communicationPattern recognitionComputer graphics (images)
Owner:昆山杰得微电子有限公司
A Performance Evaluation Method of Composite Navigation Fusion Algorithm
ActiveCN109840643BJudging high resolutionIndex weight can be quantifiedResourcesPattern recognitionInformation processing
The invention belongs to the technical field of navigation information processing, and specifically relates to a performance evaluation method of a composite navigation fusion algorithm. Firstly, a composite navigation system performance multi-level index system is constructed, and the composite navigation system composite algorithm performance sub-target weight distribution set and the weight of the evaluation index are determined. Assignment set, construction of membership degree matrix and comprehensive evaluation. This method combines the FAHP method based on logarithmic least squares and the FCE method, and solves the factors affecting the performance of the fusion algorithm of the inertial / ground-based / satellite composite navigation system equipped with ballistic missiles. For many problems that are difficult to evaluate quantitatively, the weight vector of the performance evaluation index of the fusion algorithm can be determined, and the fuzzy operator can be used for weighted synthesis, which has the advantages of quantifiable index weight and strong comprehensive evaluation ability.
Owner:BEIJING AUTOMATION CONTROL EQUIP INST
A method and device for emergency road condition information transmission based on fuzzy decision
ActiveCN114495508BReal-time and reliable deliveryHarm reductionInternal combustion piston enginesDetection of traffic movementFuzzy decisionInformation transmission
The invention discloses a method and device for transmitting emergency road condition information based on fuzzy decision. When a vehicle carrying emergency road condition information is driving at an intersection, the optimal road section to be passed is selected by fuzzy decision; when a vehicle carrying emergency road condition information is driving on the road , select the next-hop optimal forwarding vehicle through fuzzy decision; in the present invention, the fuzzy information replaces the original traffic data and is used for the fuzzy decision when the emergency road condition information is forwarded, and the designed fuzzy operator, fuzzy domination filtering rule and random decision also ensure Therefore, the emergency road condition information is sent to the destination in a timely and reliable manner, which can effectively reduce the harm caused by the emergency road condition. The method proposed by the invention has low computational and communication costs, is easy to deploy and implement by utilizing existing roadside traffic facilities, and has high practical value.
Owner:ZHEJIANG UNIV OF TECH
Fuzzy Hierarchical Fishery Damage Assessment Method Based on Gray Relation
ActiveCN106845870BError probability controlSimple calculationResourcesAnalytic modelEstimation methods
The invention provides a grey correlation based fuzzy hierarchy estimation method for damages to fishery by thermal discharge of a power plant and belongs to a field of environment protection. The method includes steps of analyzing strong correlation factors of damages to fishery by thermal discharge of the power plant and establishing a fishery damage estimation indicator system; utilizing a grey correlation principle to calculate indicator correlation degree and to further construct a fuzzy relation matrix of fishery damage indicators; employing an improved analytic hierarchy model to obtain fishery damages caused by thermal discharge and weight vectors of the indicators corresponding to the different factors; combining the obtained indicator weight vectors with the fuzzy relation matrix of the fishery damage indicators via blurring operators by using a fuzzy synthesis method and performing comprehensive estimation on fishery damages caused by thermal discharge of the power plant. According to the invention, three mathematic estimation methods including grey correlation, fuzzy mathematics and analytical hierarchy process are combined together organically, so that the three estimation methods complement each other and also enhance the reliability of the estimation of fishery damages caused by thermal discharge of the power plant.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
Image fusion processing method, system and computer program based on fuzzy operator
ActiveCN109345497BEasy to implementImprove execution efficiencyImage enhancementImage analysisImaging processingComputer graphics (images)
The invention belongs to the technical field of image processing, and discloses an image fusion processing method and system based on a fuzzy operator, and a computer program; two images that are fused according to needs, that is, source image 1 and source image 2, are pixelated by a Lukasiewicz implication operator Level learning and training, get the relation matrix R; take the source graph 1 as the input information, take R as the relation matrix, use the Lukasiewicz triangular modulus operator T Lu , to obtain the fused target image. Compared with the existing image fusion method, the present invention saves a lot of complex mathematical calculations and preliminary work, is simple, efficient and easy to implement, and can complement and fuse the image information to be fused well no matter it is brightness information or detail information. The final image has good visual effects, obvious details and clear targets. From the fusion images measured under the same operating environment of the same computer in the following examples, it can be clearly compared that the fusion method of the present invention is superior to the prior art.
Owner:HUAIYIN TEACHERS COLLEGE
Performance evaluation method of a composite navigation fusion algorithm
ActiveCN109840643ASolve the problem that there are many factors affecting performance and it is difficult to conduct quantitative evaluationJudging high resolutionResourcesInformation processingAlgorithm
The invention belongs to the technical field of navigation information processing. The invention relates to a performance evaluation method of a composite navigation fusion algorithm. The method comprises steps: firstly, constructing a composite navigation system performance multi-level index system; determining a composite algorithm performance sub-target weight distribution set of the compositenavigation system and a weight distribution set of an evaluation index; constructing a membership matrix and then carrying out comprehensive evaluation. According to the method, an FAHP method and anFCE method based on logarithm least square are combined; the method solves the problems that the fusion algorithm of the ballistic missile-carried inertial / land-based / satellite composite navigation system has many performance influence factors and is difficult to quantitatively evaluate, can determine the weight vector of the fusion algorithm performance evaluation index, utilizes the fuzzy operator to carry out weighted synthesis, and has the advantages of quantifiable index weight, strong comprehensive evaluation capability and the like.
Owner:BEIJING AUTOMATION CONTROL EQUIP INST
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