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293results about How to "Prevent falling into" patented technology
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A multi-parking-lot and multi-vehicle-type vehicle path scheduling control method
ActiveCN109919376AGive full play to the local search abilityEasy to crossForecastingLogisticsNeighborhood searchDelivery vehicle
The multi-parking-lot and multi-vehicle-type vehicle path scheduling control method comprises the steps of 1, establishing an objective function by taking the lowest total cost of all delivery vehicles as an objective; Step 2, performing a coding step; 3, performing population initialization; 4, evaluating all the individuals by adopting the objective function as a fitness function; Step 5, performing selection and crossover operation; step 6, performing mutation operation; 7, performing neighborhood search on each individual in the population by using an improved extreme value optimization algorithm; Step 8, calculating fitness of all individuals in the population; Step 9, performing selecting; Step 10, performing elite retention; Step 11, completing iteration in sequence; Step 12, judging whether a termination condition is met or not, the termination condition being that the number of iterations g reaches the maximum number of iterations MaxGen or the number of iterations Nu of whichthe Gb fitness value remains unchanged reaches the specified number of iterations Kbest, if yes, continuing to execute the step 13, and if not, returning to execute the step 5; Step 13, outputting the individual Gb and the fitness value fGb thereof; And 14, interpreting the optimal individual Gb and the fitness value fGb thereof. The invention aims to improve the search efficiency and convergencespeed of the algorithm.
Owner:ZHEJIANG UNIV OF TECH
Method for constructing indoor two-dimensional semantic grid map with object navigation point
ActiveCN111486855APrevent falling intoImprove planning efficiencyInstruments for road network navigationNavigational calculation instrumentsPattern recognitionComputer graphics (images)
The invention provides a method for constructing an indoor two-dimensional semantic grid map with an object navigation point. The method comprises the following steps of S1, constructing an environment grid map, and acquiring a real-time position of a robot; S2, completing recognition of an object in an environment; S3, obtaining a main body part of the target object, and obtaining coordinates ofthe target object in a camera coordinate system; S4, performing coordinate conversion to obtain the coordinates of the recognized object in a grid map coordinate system, and establishing an object grid map; S5, combining the object grid map and the environment grid map to obtain a semantic grid map reflecting environment semantic information; and S6, extracting a navigation point of the target object in the semantic grid map to obtain an indoor two-dimensional semantic grid map with the navigation point. According to the method, an original grid map contains semantic information and also contains the object navigation point, the semantic grid map provides richer features for robot positioning and navigation, and higher-level complex tasks can be completed.
Owner:WUHAN UNIV OF SCI & TECH
Delivery vehicle scheduling method with time limitation
InactiveCN105069523APrevent falling intoEffective global searchForecastingLogisticsIncremental learning algorithmDelivery vehicle
The invention relates to a delivery vehicle scheduling method with time limitation, and belongs to the technical field of vehicle routing in intelligent optimized scheduling. A scheduling model and an optimization object in the delivery process with time limitation are determined, the optimization object is obtained by solving the scheduling model on the basis of an improved population incremental learning algorithm, the optimization object of the scheduling model is the minimal total transport cost, and the limitation condition is established according to time limitation of the delivery vehicle, load-carrying restriction, position coordinates of a client point and the like. Global searching is guided by a possibility matrix observation model, individual information in a historical group is optimized in the improved population incremental learning algorithm, global searching is effectively guided, and the efficiency of global searching is higher; global searching aimed at problem property is constructed based on limitation of the problem, a high-quality solution area obtained via global searching is rapidly and effectively searched, the performance of the algorithm is improved, and the optimal solution is obtained.
Owner:KUNMING UNIV OF SCI & TECH
Support vector machine method based on chaos and grey wolf optimization
ActiveCN106355192AEfficient and accurate intelligent classificationPrevent falling intoCharacter and pattern recognitionArtificial lifeLearning machineSupport vector machine
The invention provides a support vector machine method based on chaos and grey wolf optimization, specifically,the grey wolf algorithm chaotization is combined with the support vector machine; two key parameters of penalty coefficient C and kernel width Upsilon of the support vector machine are optimized by the grey wolf chaotization algorithm with outstanding whole searching ability; the best extreme parameter value of the learning machine is obtained so that the application can obtain accurate and intelligent decision effect; the machine can help the decision mechanism effectively to make scientific decision, so the machine has important application value.
Owner:WENZHOU UNIVERSITY
Method for quickly optimizing overall maximum power point of photovoltaic array under local shadow
InactiveCN103324239AEffectively foundAvoid defectsPhotovoltaic energy generationElectric variable regulationPeak valueComputer science
The invention discloses a method for quickly optimizing an overall maximum power point of a photovoltaic array under local shadow. Under the local overshadowing condition, output characteristics of the photovoltaic array present multiple peak points. For searching an overall maximum value, the method comprises the steps of adopting a modified fruit fly algorithm to perform overall range searching, confirming a range where maximum power is located, then finding a maximum power point in a sub-region in a confirmed region by improving a golden section method and using the maximum power point as a working point of the whole photovoltaic array. By adopting the two steps, the overall maximum power point of the photovoltaic array can be quickly optimized.
Owner:HOHAI UNIV
Dustproof electric cabinet
ActiveCN106329335AImprove cleanlinessEnsure ventilation and heat dissipationSubstation/switching arrangement casingsDrive shaftEngineering
The invention relates to a dustproof electric cabinet. The dustproof electric cabinet comprises a shell. Heat dissipation windows are formed in the sidewalls of the shell, and vertical dust screens are arranged in the shell and closely to the sidewalls. A water collecting hopper is arranged at the top of the shell, and the upper edges of the dust screens extend out of the top of the shell and are communicated with the bottom of the water collecting hopper. Dust discharge grooves are arranged at the bottom of the shell, and the lower edges of the dust screens extend out of the dust discharge grooves. Vertical driving shafts are arranged in the shell, the upper ends of the driving shafts penetrate through the top of the shell, and driving fans are fixedly mounted at the upper ends of the driving shafts. Friction plates are mounted on the side circumferential walls of the driving shafts, and the ends of the friction plates are in contact with the dust screens. The dustproof electric cabinet is capable of preventing dust efficiently on the premise of guaranteeing ventilation and heat dissipation, so that cleanliness and safety can be improved effectively and interior electric elements can be better protected.
Owner:TIANYUAN HUAWEI GRP
Plate glass packing box, as well as packing method, unpacking method and unpacking device for plate glass packing box
InactiveCN102442495AEfficient packaging operationsEasy to packArticle unpackingShock-sensitive articlesFlat panel displayLiquid-crystal display
The invention provides a plate glass packing box, as well as a packing method, an unpacking method and an unpacking device for the plate glass packing box, which can be conveyed efficiently on the surface of a large-scale plate glass used for a flat-panel display (a liquid crystal display, an plasma display and the like) without damage or stain generation, and can be used for packing and unpacking the glass plate efficiently. The plate glass packing box is provided with a pedestal (2) carrying the glass plate (16), wherein a substantial flat bottom bearing plate (4) and a substantial flat back bearing plate (5) are arranged on the carrying surface (3) of the pedestal (2); the substantial flat bottom bearing plate (4) is used for bearing the end part of the glass plate (16); the substantial flat back bearing plate (5) is used for bearing the surface part of the glass plate (16); the bottom bearing plate (4) is arranged slantways relative to the carrying surface (3) of the pedestal (2), and is provided with a glass plate press component (17); and the glass plate press component (17) is used for pressing the front surface of the glass plate (16) on the bottom bearing plate (4), and can mounted and dismounted vertically relative to pillars (7) uprightly arranged at corners behind the pedestal.
Owner:ASAHI GLASS CO LTD
Imitating method of power amplifier and imitating device of power amplifier
InactiveCN102983819AImprove work efficiencyImprove build speedAmplifier modifications to reduce non-linear distortionNeural learning methodsWeight valueAudio power amplifier
The invention discloses an imitating method of a power amplifier and an imitating device of the power amplifier. The method adopts an improved back propagation (BP) neural network to imitate the power amplifier. The improved BP neural network adopts Levenberg-marquardt (LM) learning algorithm and training algorithm with momentum factors added to update weight values and threshold values of a model, and therefore model building speed is effectively increased and the model is prevented from being sunk into a local minimum. Disclosed is the imitating device of the power amplifier further. The improved BP neural network is adopted. The imitating device of the power amplifier is further used for building a power amplifier imitator with a parallel structure. Imitation and training are free of mutual interference. Working efficiency of the power amplifier imitator is improved. Compared with the prior art, the imitating method of the power amplifier and the imitating device of the power amplifier are quick in training convergence speed and good in instantaneity.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Storage box for logistics transportation
InactiveCN108820574AEasy to operateEasy to useContainers preventing decayContainers to prevent mechanical damageEngineeringLogistics management
Owner:湖州利文自动化设备有限公司
Multi-unmanned-plane emergency rescue task distribution method
ActiveCN105045095APrevent falling intoIt's not easy to fall intoAdaptive controlLocal optimumComputer architecture
Disclosed in the invention is a multi-unmanned-plane emergency rescue task distribution method. According to the method, task distribution schemes are divided into three categories: a dominant task distribution scheme, a major task distribution scheme, and a slave task distribution scheme. During the task distribution scheme updating process, all task distribution schemes are sorted and classified based on an established fitness function; and according to the classification situation, the task distribution schemes are updated based on different updating formulas. Therefore, on the premise that an optimum scheme is obtained rapidly, local optimization can be avoided.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Valley delimitation searching method for tracking multi-peak maximum power point of photovoltaic power system
InactiveCN102495945ARealize TrackingEffectively foundSpecial data processing applicationsControl theoryPoint tracking
The invention discloses a valley delimitation searching method for tracking a multi-peak maximum power point of a photovoltaic power system. The valley delimitation searching method comprises the following steps of: for avoiding falling into a local maximum value during searching, partitioning a region after searching a valley by utilizing a valley delimitation method; for ensuring to obtain a global maximum value, performing sub-region search on a partitioned region and then determining region in which a maximum power point is located; finally, finding out a global maximum power point as a working point of a system by a variable-step-length searching method in the determined region. Through the algorithm design above, capability of responding complex environmental change of a practical photovoltaic power system can be strengthened, the shortage of a single-peak searching method is made up, and better maximum power tracking effect is reached.
Owner:HOHAI UNIV
Distractable fusion cage with adjustable middle bone grafting height
ActiveCN109758272ABuild and maintain stabilityReduces the risk of damaging surrounding tissueSpinal implantsIntervertebral spaceEngineering
The invention relates to a fusion instrument under a mirror, in particular to a distractable fusion cage with the adjustable middle bone grafting height. The distractable fusion cage comprises a supporting platform, a support and an adjusting assembly, adopts an internal hollow and external hollow design, has a large bone grafting space and facilitates bone grafting, so that the stability of the lumbar vertebra can be better established and maintained after the fusion cage is implanted, the parallel distracting function of the fusion cage main body can be achieved, the lifting height is increased, the distractable fusion cage adapts to the heights of intervertebral spaces of different segments, the application range is wide, and the overall cost is low.
Owner:ZHUHAI WEIERKANG BIOTECH
Submersible aerator
InactiveCN102531207APrevent falling intoDouble sealing is safe and reliableWater aerationPisciculture and aquariaImpellerBlow molding
The invention belongs to the technical field of aquaculture machinery, in particular to a submersible aerator, which mainly comprises a floating body, a submersible motor, bases, an air inlet passage and the like, wherein the floating body is two connected floating pontoons subjected to blow molding at one time, and the two floating pontoons are respectively provided with a through hole capable of penetrating an air inlet pipe; the air inlet passage is that: lower parts of the two air inlet pipes are respectively fixed on connectors of left and right bases, base air ducts are formed in the bases, upper ends of the base air ducts are provided with the connectors of the air inlet pipes, lower ends of the base air ducts are communicated with hinged seats; hollow shafts on two sides of an induction chamber are hinged in the hinged seats; inner holes of the two hollow shafts are communicated with an inner cavity of the induction chamber; a large end of the induction chamber is connected with a shaft outlet end of the submersible motor; a hollow impeller is arranged on a motor shaft; and during work, the submersible motor drives the hollow impeller to rotate to push water to form negative pressure so as to suck air, and the air enters the water through the air inlet pipes, the base air ducts, the hinged seats, the hollow shafts of the induction chamber, induction passages and impeller air ducts.
Owner:吴为国
Integrated multi-way valve casting and casting process thereof
ActiveCN107042290AHighly integratedStrong reliabilityFoundry mouldsFoundry coresSpatial structureEngineering
The invention relates to the casting field, and particularly relates to an integrated multi-way valve casting and a casting process thereof. The integrated multi-way valve casting is characterized by comprising a valve body, wherein valve element through holes, main flow channels, through holes, auxiliary flow channels, annular oil grooves and small annular oil grooves are formed in the valve body; the auxiliary flow channels and the internal main flow channels are used for connecting the valve element through holes and the through holes; the annular oil grooves and the small annular oil grooves are formed in the valve element through holes, the through holes and the auxiliary flow channels; the openings of the through holes are located in the surfaces of the main body of the valve body, and communicate with the auxiliary flow channels of the valve body. The casting process of the integrated multi-way valve casting comprises the following steps: sand box production, shell mould die production, clay core production, clay core coating, clay core and shell mould die assembly, shaping operation, casting mould limit operation, pouring operation and casting cleaning and inspection. The integrated multi-way valve casting disclosed by the invention is high in integration level, small in spatial structure, free from the problems of sand inclusion, expansion and the like on the surface, and wide in application range.
Owner:南通华东油压科技有限公司
Power system economic load distribution method based on improved whale algorithm
PendingCN112670984AImprove search abilityFast convergenceDesign optimisation/simulationConstraint-based CADLocal search (optimization)Self adaptive
The invention discloses a power system economic load distribution method based on an improved whale algorithm. The power system economic load distribution method comprises the steps of establishing a corresponding constraint condition expression according to the requirement of a power system economic load distribution problem in practice; establishing an objective function of the power system economic load distribution problem according to the constraint condition, and converting an actual application problem into a solution of a nonlinear programming problem; proposing an improved whale optimization algorithm, and performing optimization solution on the power system economic load distribution problem by utilizing the algorithm; and updating the position by adopting a self-adaptive weight strategy through the improved whale optimization algorithm, updating the position again by an individual through a random differential variation strategy, obtaining the final position before and after the change, and further obtaining the optimal result of economic load distribution of the power system. In order to improve the search capability of the whale optimization algorithm, an adaptive weight and differential variation strategy is introduced, so that the algorithm can perform global search in the early stage and perform accurate local search in the later stage.
Owner:GUANGZHOU UNIVERSITY
Controllable serial capacitor optimal configuration method capable of improving available transmission capacity
ActiveCN101882791ASolve the optimal configuration problemPrevent falling intoFlexible AC transmissionReactive power adjustment/elimination/compensationAntigenClonal selection
The invention discloses a controllable serial capacitor optimal configuration method capable of improving available transmission capacity, which is characterized in that: the position variables and compensation degrees of TCSCs serve as antibody genes to be coded, initial data are input to generate initial populations randomly, and the initial populations are divided into an open crossover and mutation rates are set for the populations of each group, each group of populations are optimized by an immune algorithm, the affinity between each antibody and an antigen in each population in each group is calculated, and clonal selection, clonal amplification, crossover and variable immunity are performed; at the end of the evolution of each generation, a communicating operator is used to allow the populations to interexchange part of antibodies and the affinity is calculated; after the evolution of a plurality of generations, the currently optimal antibodies are distributed into all populations by a transmission operator; and after all populations evolve for one time, if an algorithm meets convergence conditions is judged, and optimal results are output if the algorithm meets the convergence conditions, or immune supplementation is performed and evolution circulation is returned to if the algorithm does not meet the convergence conditions. The method can solve the optimal configuration problem of the plurality of TCSCs.
Owner:NORTHEAST DIANLI UNIVERSITY +2
High-efficiency crushing equipment for preparation of instrument powder coating
The invention relates to crushing equipment, in particular to high-efficiency crushing equipment for preparation of an instrument powder coating in order to achieve the technical effects of being goodin crushing effect and easy to operate. In order to achieve the technical effects, the high-efficiency crushing equipment for preparation of the instrument powder coating, provided by the invention,comprises a bottom plate and the like. The left and right sides of the top of the bottom plate are symmetrically connected with support plates. The tops of the support plates are connected with a crushing frame. The bottom of the crushing frame is provided with a net. The top of the crushing frame is connected with a frame body. The bottom of the frame body is provided with an opening. The top ofthe frame body is connected with a discharge hopper. The discharge hopper communicates with the frame body. A breaking device is mounted on the left side of the frame body. A breaking component of thebreaking device is located in the frame body. The high-efficiency crushing equipment can break raw materials through the breaking device. Moreover, the breaking device can drive a crushing device tooperate and crush the broken raw materials. Accordingly, the high-efficiency crushing equipment achieves the effect of being easy to operate.
Owner:郑兴
Integrated energy microgrid scheduling method for hydrogen energy-natural gas hybrid energy storage
PendingCN112290533AGuaranteed uptimeImprove calculation convergence speedDc network circuit arrangementsSingle network parallel feeding arrangementsProcess engineeringSearch algorithm
The invention discloses an integrated energy microgrid scheduling method based on hydrogen energy and natural gas hybrid energy storage, and the method comprises the steps: carrying out the modeling of energy equipment of each unit in an integrated energy microgrid based on hydrogen energy and natural gas hybrid energy storage, and obtaining the operation initial information of each unit; determining an energy flow relationship of each unit; establishing an optimization scheduling model based on the environment cost and the operation cost; converting multiple targets into a single target by adopting a weight coefficient method; setting a safety constraint condition; and combining a difference operator in a random fractal search algorithm, and optimizing and solving the established optimalscheduling model to obtain an optimal scheduling strategy. According to the invention, an optimal scheduling scheme with both environmental protection and economy can be obtained for a hydrogen and natural gas hybrid energy storage integrated energy microgrid system, and the stable and efficient operation of the hydrogen and natural gas hybrid energy storage integrated energy microgrid is ensured;the convergence speed can be effectively improved, the algorithm is prevented from falling into local optimum, and the system operation cost is reduced.
Owner:国家电网公司西南分部
Flexible display panel
ActiveCN101713875AImprove reliabilityLarge particle sizeStatic indicating devicesNon-linear opticsAnisotropic conductive filmSquare Millimeter
The invention relates to a flexible display panel which comprises a flexible substrate, a display module, a drive unit and at least one anisotropic conductive film, wherein the display module is arranged on the flexible substrate and comprises a display area and a peripheral line area near the display area; the anisotropic conductive films are connected between the peripheral line area and the drive unit; the drive unit is electrically connected to the peripheral line area through the anisotropic conductive films; each anisotropic conductive film comprises an insulating film and a plurality of conducting particles arranged in the insulating film; the grain size of the conducting particles is between 4.5 micrometers and 7 micrometers; and the distribution density of the conducting particles is between 45,000 per square millimeter and 65,000 per square millimeter. The flexible display panel has higher reliability degree.
Owner:E INK HLDG INC
High-precision passive time difference positioning method based on motion multistation
ActiveCN107300687AFast convergenceDiversity guaranteedPosition fixationComputation complexityObservation matrix
The invention belongs to the technical field of passive detection, and relates to a high-position passive time difference positioning method based on motion multistation. The method comprises the steps: building a time difference positioning model, and respectively determining the coordinate position of a main station and the coordinate positions of auxiliary stations; solving the time difference according to a formula that a distance difference is the product of light velocity and the time difference: d<i1>=c*tau<i1>, wherein i=2, 3, ...,M; forming a time difference observation matrix through the coordinate position of the main station, the coordinate positions of all auxiliary stations and the solved time difference, wherein the impact on the positioning precision is considered, and the noise follows the Gaussian distribution (mean value = 0, and variance is sigma2). According to the invention, an intelligent search strategy in a CS algorithm is introduced to solve a nonlinear optimization problem in a time difference positioning system, thereby solving the problems that the calculation burden of the time difference observation matrix is large and the calculation complexity is high. The method can achieve the high-precision estimation of the position of a radiation source, can quickly approach to a global optimal solution without depending on a priori condition of the initial target position, and is not liable to cause the positioning fuzziness and a no-solution condition.
Owner:HARBIN ENG UNIV
Spatial search method for multi-modal protein conformations
ActiveCN103077226AFast convergencePrevent falling intoBiological modelsEnergy efficient computingDiseaseProtein structure
The invention provides a spatial search method for multi-modal protein conformations. According to the spatial search method, the thoughts of a spatial locality principle and an assembly process are integrated based on a crowding differential evolution algorithm, and the protein conformations obtained through experiments are processed by adopting an energy minimization process. Due to the spatial locality principle, the convergence rate of the algorithm is increased, and the problems of local convergence and modal diversity in multi-modal optimization are effectively solved; in the assembly process, different crossover strategies are randomly selected, so that better segments in the conformations are prevented from being damaged by the algorithm, and the diversity of the multi-modal protein conformations is improved; and due to the energy minimization process, the complexity of space solution of the protein conformations is reduced, and the search space of feasible zones of the protein conformations is effectively shortened. According to the spatial search method, enkephalin is taken as an example, not only is the well-known most global stable structure of the enkephalin obtained, but also a series of high-quality local stable structure are obtained, so that the problem of multi-gene and multi-target paths of diseases which cannot be solved by the traditional single-target-directed single-modal research method is solved, and the requirements of computer-aided drug design on multi-modal protein structures at the present stage are met.
Owner:ZHEJIANG UNIV OF TECH
Prediction model method based on an improved moth optimization algorithm
PendingCN109344994AIncrease diversityImprove search capabilitiesForecastingArtificial lifeLearning machineData set
The invention provides a prediction model method based on an improved moth optimization algorithm, which comprises the steps of loading a data set and performing standardized processing on sample data; Gaussian mutation strategy and chaotic agitation are used to improve the moth flame optimization algorithm, and support vector machine model and / or limit learning machine model are constructed by using the improved moth optimization algorithm. The implementation of the invention can not only increase the diversity of the population and enhance the searching ability of the algorithm, but also prevent the algorithm from falling into the local optimum and quickly finding the global optimum solution.
Owner:WENZHOU UNIVERSITY
Disassembly tool for oil drain plug of engine oil bottom shell
ActiveCN105127945AAvoid burnsImprove work efficiencyMetal-working hand toolsMechanical engineeringCylinder (engine)
The invention discloses a disassembly tool for an oil drain plug of an engine oil bottom shell. The disassembly tool comprises a handle, a plug sleeve, an oil baffle disc and a locking ring, wherein the handle penetrates through the center of the oil baffle disc and is fixedly connected with the oil baffle disc; the part, positioned at the left side of the oil baffle disc, of the handle is a hexagonal nut; the part, positioned at the right side of the oil baffle disc, of the handle is a connecting cylinder; the left end of the plug sleeve is fixedly connected with the right end of the connecting cylinder; a stud is arranged on the left part of the plug sleeve; a hexagonal sleeve is arranged on the right part of the plug sleeve; a circular hole is formed in the inner wall of the hexagonal sleeve; a steel ball is embedded into the circular hole; the left part of the locking ring is provided with an inner threaded hole; the right part of the locking ring is provided with a tapered hole which is gradually increased in diameter from left to right, and communicates with the inner threaded hole; the locking ring penetrates through the hexagonal sleeve and is screwed on the stud through threads; the wall surface of the tapered hole can generate extrusion effect on the steel ball and can restrain the steel ball from dropping. The disassembly tool not only can prevent an oil drainage plug from dropping into an oil basin, but also can prevent hands of an operator from being burnt, and further can improve the working efficiency.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
A prediction method based on orthogonal reverse bottleneck optimization algorithm
PendingCN109284860AFind quickly and efficientlyIncrease diversityForecastingArtificial lifeLocal optimumData set
The invention provides a prediction method based on an orthogonal reverse bottleneck optimization algorithm, comprising the steps of loading a data set and performing standard processing on sample data; the penalty coefficients and kernel widths are optimized by using the orthogonal inverse bottleneck optimization algorithm, and a predictive support vector machine model is constructed. By adoptingorthogonal learning and reverse learning strategies to optimize the penalty factor and the kernel width on the basis of the traditional optimization algorithm of Styela bottlenecks, the invention caneffectively reduce the possibility of falling into local optimization in the optimization process, and obviously improve the quality of the solution and the convergence efficiency.
Owner:WENZHOU UNIVERSITY
System and method for realizing electric energy meter abnormity diagnosis by applying quantum particle swarm algorithm
InactiveCN111722174ARealize remote monitoringImplement data collectionArtificial lifeElectrical measurementsData informationThe Internet
The invention discloses a system and a method for realizing electric energy meter abnormity diagnosis by applying a quantum particle swarm algorithm, and relates to the technical field of electric energy metering. An architecture system of the Internet of Things is constructed, remote monitoring of abnormal data of an electric energy meter is realized, change and extension of data information of the electric energy meter are realized by using a wavelet change method, noise interference can be suppressed by using wavelet transform, the feature extraction precision is improved, the accuracy is high, and the performance is more stable. An improved quantum particle swarm algorithm is used, particle swarms can be effectively screened; the convergence speed of the particle swarm is accelerated;according to the method, a BP neural network algorithm model is utilized to prevent simultaneous falling into local extremum, a good effect is shown in the aspects of convergence rate and global optimum searching, rapid diagnosis of abnormal data can be realized by utilizing the BP neural network algorithm model, a large amount of electric energy meter data information is rapidly calculated withina few seconds, and data analysis and judgment are realized.
Owner:宁夏隆基宁光仪表股份有限公司
Distribution center site selection method based on bacterial foraging optimization algorithm
ActiveCN108241911ASolve binary problemsMeet the siting problemForecastingArtificial lifeBacteria foragingAlgorithm
The invention discloses a distribution center site selection method based on a bacterial foraging optimization algorithm. The method comprises the steps of 1) obtaining a distribution center and a historical distribution address set of a target city; 2) constructing a distribution center site selection model; and 3) implementing a bacterial foraging optimization algorithm. The method of the invention can perform modeling by using historical distribution addresses and a candidate distribution center and is more in line with distribution center site selection conditions in the presence of large-scale historical distribution addresses in reality, so that the site selection and the distribution can be combined to improve the accuracy of the site selection of the distribution center, reduce thedistribution cost, improve the timeliness of distribution, and improve customer satisfaction.
Owner:HEFEI UNIV OF TECH
Sewer cleaning machine
ActiveCN104727437AReduce movement speedTurn easilySewer systemsInformation transmissionRemote control
The invention provides a sewer cleaning machine and belongs to municipal engineering machinery. The sewer cleaning machine comprises a camera, a plurality of chain wheels on two sides, chain rails assembled on the chain wheels, a driving device shell arranged in a sealing mode, a sludge turnover device arranged at the front end, a sludge reverse conveying device arranged on the rear side of the shell, a wireless antenna arranged at the top, a wireless information transmission device connected with the wireless antenna, and a wireless remote control device matched with the wireless information transmission device, an infrared camera is arranged at the upper portion of the shell, and the infrared camera is connected with the information transmission device. Through the cleaning machine, the physical labor intensity of workers can be relieved, the cleaning speed of waste such as sludge in a sewer is increased, and the problems that workers feel unwell and suffer from gas poisoning in the severe operating environment in the sewer can be solved.
Owner:ANYANG GUOLONG MACHINERY
Medical degradable magnesium alloy interbody fusion cage
InactiveCN102784415AAvoid non-specific inflammationImprove stabilityInternal osteosythesisSpinal implantsSpinal cageStress shielding
The invention discloses a medical degradable magnesium alloy interbody fusion cage, relates to an interbody fusion cage and aims at solving problems that inflammation is caused due to acidic materials which are produced by existing interbody fusion cages during degradation and stress shielding can occur due to inappropriate selection of elasticity modulus. The medical degradable magnesium alloy interbody fusion cage is made of Mg-Sn-Mn series alloy or Mg-Sn-Mn-Zn series alloy; the medical degradable magnesium alloy interbody fusion cage comprises an upper end plate contact surface (1) and a lower end plate contact surface (2), a through hole (3) is opened at the center of the fusion cage, the upper end plate contact surface (1), the lower end plate contact surface (2) and the through hole (3) are polygons which are of the same shape, two protuberant studs (4) are respectively arranged on the upper end plate contact surface (1) and the lower end plate contact surface (2), and the upper end plate contact surface (1) can be an inclined surface to form an angle theta with the lower end plate contact surface (2). The medical degradable magnesium alloy interbody fusion cage can be applied to the field of degradable and absorptive medical instrument manufacturing.
Owner:HARBIN ENG UNIV
Neural network-based wireless sensor network data prediction method
InactiveCN103781108AHigh precisionPrevent falling intoNetwork topologiesGradient directionNetwork model
The invention provides a neural network-based wireless sensor network data prediction method. According to the method, a neural network is led into a wireless sensor network, and each wireless sensor datum is described through neurons, and a neural network model can be built; the fusion and extraction of acquired data of the wireless sensor network can be realized through using the neural network model of the wireless sensor network; motion items are added, and multiple factors are effectively considered, and not only is the gradient descent direction of a certain moment adjusted, but also a gradient direction before the moment is adjusted, and therefore, a vibration range can be authentically reduced, and training speed can be improved; and main factors that influence data output results are selected through differences between various kinds of application types, and a prediction model is established. The neural network-based wireless sensor network data prediction method of the invention can perform self learning in a certain field so as to obtain influence factors therein and construct complex nonlinear relationships, and therefore, influence of human intervention on prediction results can be effectively reduced, and the results are of greater objectivity.
Owner:伍爵博
A matrix profile observation system
ActiveCN108974284AImprove accuracyAddress reliability and ease of implementationOpen water surveyUnderwater equipmentSynchronismEngineering
The invention discloses a matrix warping winch observation system, which comprises a shore station system, a mother bomb system and a plurality of submunition systems. The shore station system is connected with the mother bomb system through an umbilical cord cable, and the plurality of submunition systems are carried by the mother bomb system before being released. A mast cartridge system includes a mast cartridge housing, A system control module is arranged on the upper part of the mast cartridge shell, and a air guide cover is arranged at the bottom of the mother shell case, and a first measuring sensor is arranged at the air guide cover, All the submunition systems are uniformly arranged along the circumference of the master shell, a release device for controlling the synchronous release of all the submunition systems is arranged at the middle part of the master shell, and a window for facilitating the submunition system to protrude from the master shell is arranged at a position corresponding to the submunition system on the master shell. The invention provides a method and a device for detecting the data of the whole sea depth space region, which effectively solves the attitude unity and synchronism of the simultaneous release of a plurality of submunition systems, and improves the accuracy of the measurement data of the submunition system.
Owner:OCEAN UNIV OF CHINA
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