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45results about How to "Reduce search time" patented technology
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Active power distribution network two-stage island division method and system considering flexible resource support
PendingCN119482659AReduce the impact of uncertaintyavoid uncertaintySingle network parallel feeding arrangementsAc network load balancingData packElectrical battery
The invention discloses an active power distribution network two-stage island division method and system considering flexible resource support. The method comprises the following steps: establishing a first resource allocation model considering energy storage and controllable load, the first resource allocation model comprises energy storage battery charging and discharging upper and lower limit constraints, an energy storage battery degradation cost model, a controllable load model and a controllable load related user protocol; obtaining parameter data of a target power distribution system, wherein the parameter data comprises a line parameter, a load level, a load level, a network topology connection relationship, a system operation voltage level and branch current limitation, a system fault position, a reference voltage and a reference power initial value; and according to the parameter data, establishing a mathematical model for two-stage island power supply recovery based on a first resource allocation model. The method for solving the island is simple and convenient, the island recovery amount can achieve the optimal recovery effect, meanwhile, the search time is greatly shortened, the solving efficiency is higher, and the rapid power supply recovery capacity of the power distribution network is improved.
Owner:GUIZHOU UNIV
Unmanned ship multipath optimization method for large-scale dynamic search and rescue tasks
PendingCN119472269AImprove execution efficiencyImprove robustnessInternal combustion piston enginesAdaptive controlLocal optimumEmergency rescue
The invention discloses an unmanned ship multi-path optimization method for large-scale dynamic search and rescue tasks, and belongs to the technical field of unmanned ship path planning. According to the method, a multi-track optimization framework combined with a deep reinforcement learning algorithm is introduced, so that the efficiency and accuracy of path planning are effectively improved. Through a multi-trajectory sampling technology, the problem of trajectory data sampling deviation in a traditional method is solved, and the robustness and adaptability of an algorithm in a dynamic rescue environment are enhanced. Meanwhile, an encoder-decoder structure is designed, path exploration of the unmanned ship is optimized by utilizing reinforcement learning, and the exploration capability of the model to a complex solution space is greatly improved. According to the method, the optimal searching path can be quickly found, and the unmanned ship is prevented from falling into a local optimal solution. According to the invention, the unmanned ship can intelligently adapt to a large-scale emergency rescue scene, the search time is greatly shortened, the task success rate is improved, and key technical support is provided for the application of the unmanned ship in emergency rescue.
Owner:DALIAN MARITIME UNIVERSITY
Warehousing and ex-warehouse path planning method and system for smart warehousing
ActiveCN119472699AImprove processing efficiencyReduce risk of delayInternal combustion piston enginesVehicle position/course/altitude controlRoute planningOperations research
The invention, which relates to the technical field of artificial intelligence, discloses a warehouse-in and warehouse-out path planning method and system for intelligent warehousing, and the method comprises the steps: generating an optimal operation path of a to-be-operated carrier through a path planning model; the method comprises the following steps: predicting whether a current carrier has a collision risk with all carriers in a warehouse in a time dimension or not through a time block, predicting whether the current carrier has a collision risk with all carriers in a warehouse in a space dimension or not through a space block, and when the time block and the space block simultaneously detect that the current carrier has the collision risk at a certain moment, judging whether the current carrier has the collision risk; the decision block judges that the current carrier has a collision conflict, and determines an optimal avoidance strategy through an action value function; according to the optimal avoidance strategy, the avoidance waiting carrier is determined, the total waiting time and the waiting space position of the avoidance waiting carrier are calculated, and the avoidance strategy is executed. According to the technical scheme, the problem that in-out garage path planning and collision processing cannot be intelligently and accurately carried out in the prior art can be solved.
Owner:SHANDONG XINDA IOT APPL TECH CO LTD
Mobile phone artificial intelligence tour guide explanation system
InactiveCN119629275Areduce search timeguaranteed depthSubstation equipmentDevices with communication history loggingPersonalizationUser needs
The invention discloses a mobile phone artificial intelligence tour guide explanation system, which relates to the technical field of tour guide, and comprises a scenic spot search module used for searching scenic spot information throughout the country, and a user can search scenic spots needing to be visited through the module; the big data intelligent processing module automatically generates explanation content of a corresponding scenic spot by using an artificial intelligence algorithm, the voice selection module provides diversified voice types for a user to freely select and switch, the scanning explanation module has a scanning introduction character recognition function, and the voice requirement explanation module realizes voice interactive explanation service; the character input explanation module inputs content in a character form to generate personalized explanation content; the positioning module is used for acquiring the geographic position of a user in real time. According to the invention, intelligent voice explanation is realized, and different voice types can be selected according to user requirements; a user can quickly obtain detailed explanation by asking questions through voices or characters anytime and anywhere without complex operation.
Owner:谢建华
Judicial domain class case retrieval method and system based on large model
PendingCN119474409Aimprove accuracyimprove relevanceMetadata text retrievalBiological modelsData setAlgorithm
The invention discloses a judicial field class case retrieval method and system based on a large model. The method comprises the following steps: constructing a judicial document vector database by combining a vector model with an obtained judicial document; performing semantic recognition and question enhancement on judicial case or judicial question texts through the large model; generating vectors for the enhanced judicial case or judicial question text through a vector model, and performing similarity retrieval in a judicial document vector database to obtain a primarily screened judicial document set; reordering the primarily screened judicial document set through a Reranker model to generate a finely arranged judicial document set; and inputting the enhanced judicial case or judicial problem text and all judicial documents in the finely arranged judicial document set into a large model for correlation analysis, outputting the judicial documents most related to the judicial case or judicial problem text, and sorting the judicial documents according to similarity to form a data set as a retrieval result. According to the method, the accuracy and efficiency of class case retrieval can be improved.
Owner:CHONGQING XINZHI SMOOTH TECH CO LTD
Control method of double-closed-loop direct-current speed regulation system based on improved parrot algorithm
PendingCN119472819Aincrease diversityreduce search timeSpeed/accelaration control using electric meansAdaptive controlLocal optimumArtificial intelligence
The invention provides a control method of a double-closed-loop direct-current speed regulation system based on an improved parrot algorithm, and relates to the technical field of industrial control. Comprising the steps that weights and thresholds of a BP neural network are optimized through an improved parrot algorithm, an initial optimized BP neural network is obtained, the weights for BP neural network optimization are 36, and the thresholds for BP neural network optimization are 12; according to a gradient descent principle, training the initial optimized BP neural network to obtain a final optimized BP neural network; calculating the parameters of the PID controller by using the final optimized BP neural network to obtain the optimal group parameters of the PID controller; and controlling the double-closed-loop direct-current speed regulation system by using the optimal group parameters of the PID controller. The problems that in the prior art, when PID controller parameters are adjusted on an electric dragging site, consumed time is long, difficulty is large, the workload is large, and a BP neural network falls into a local optimal solution are solved.
Owner:XIAN AERONAUTICAL UNIV
Cell capacity combination model prediction method
PendingCN119513583AFast convergenceImprove forecast accuracyElectrical testingNeural learning methodsAlgorithmElectrical battery
The invention discloses a cell capacity combination model prediction method, which belongs to the technical field of battery management, and comprises the following steps: firstly, performing characteristic correlation analysis, then specifically adopting corresponding data of selected characteristics, and training the data. The method comprises the following steps: acquiring training data, processing the data by utilizing a wavelet transform algorithm, and performing prediction processing by respectively using LightGBM, improved DDPG and XGBoost so as to respectively acquire a prediction error A, a prediction error B and a prediction error C; according to the prediction error A, the prediction error B and the prediction error C, a prediction error quadratic sum reciprocal method is used for analysis to obtain the weight of a single model corresponding to each prediction error; weighting operation is carried out on all the models, so that a combined prediction model of WT + XGBoost + DDPG + LightGBM is formed; and finally, carrying out wavelet reconstruction and reverse normalization processing on the combined prediction model to obtain a prediction result. The technical problems that in the prior art, errors caused by a single prediction model are large, and the prediction model cannot be applied to production practice are solved.
Owner:HUIZHOU DINGLI INTELLIGENT TECH CO LTD
Frequency point selection method, terminal registration method and communication system
The invention provides a frequency point selection method, which is used for selecting a frequency point for a terminal in a communication system so as to determine a working frequency band to receive a broadcast signal of a satellite or a base station, and comprises the following steps in each frequency point selection process: acquiring frequency point information, the frequency point information comprises a plurality of standard frequency points and historical frequency points used last time by the terminal; searching a frequency correction channel of the historical frequency point and calculating signal intensity, and if the signal intensity of the frequency correction channel of the historical frequency point is greater than or equal to a preset threshold, using the historical frequency point; and otherwise, searching in a plurality of standard frequency points except the historical frequency points one by one until the signal strength of the frequency correction channel of one standard frequency point is greater than or equal to the preset threshold value, and using the standard frequency point. According to the technical scheme provided by the invention, the invalid frequency point searching and selecting process is avoided by preferentially searching the frequency correction channel of the historical frequency points, so that the frequency point selecting time is shortened.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI
Setting parameter optimization method, computing device, medium and semiconductor machine system
PendingCN119670412AReduce the number of samplesreduce search timeDesign optimisation/simulationControl engineeringTesting Methods
The invention relates to the field of semiconductor equipment, in particular to a set parameter optimization method, computing equipment, a medium and a semiconductor machine system, and aims to solve the problem of low efficiency of an existing point-by-point sampling method. In order to achieve the purpose, the set parameter optimization method is applied to a semiconductor machine, the semiconductor machine has delayed feedback after set parameters are adjusted, and the method comprises the steps that the optimization range of the set parameters is obtained; the set parameters are adjusted in the optimization range, and feedback signals are collected; and determining the optimal value of the set parameter in the optimization range based on the change trend of the feedback signal. According to the method, parameter optimization is set based on the change trend of the feedback signal, point-by-point sampling is not needed, the sampling frequency is reduced, the optimization time is shortened, and the production efficiency is improved.
Owner:BEIJING JIYUN DINGCHENG TECH CO LTD
Message processing method and device, electronic equipment and storage medium
The invention provides a message processing method and device, electronic equipment and a storage medium. The method is applied to network equipment, and comprises the following steps: after an MPLS message carrying an MPLS label stack comprising multiple layers of MPLS labels is received, generating a label bit map according to the multiple layers of MPLS labels and a preset generation rule; for a target MPLS label corresponding to a bit with a value of 1 in the label bit map, searching a preset MPLS label forwarding table in parallel to obtain a search result corresponding to the target MPLS label; and if a target search result indicating the next hop forwarding operation exists in the search results corresponding to the target MPLS label and the target search result is not the first search result, processing the MPLS message according to the search result in front of the target search result and the target search result in sequence. According to the invention, the processing performance of the MPLS message can be improved.
Owner:NEW H3C TECH CO LTD
Floating type monitor for detecting pollution gas
ActiveCN222561592Ureduce search timeReduce recycling costsWaterborne vesselsProgramme control in sequence/logic controllersEnvironmental engineeringDrive motor
The utility model provides a floating type monitor for detecting pollution gas, which relates to the technical field of gas monitoring equipment and comprises a floating base, an arc-surface base station is fixedly mounted at the top of the floating base, an assembly sleeve is fixedly mounted in the floating base, a distance measuring window is fixedly connected in the assembly sleeve, and the distance measuring window is fixedly connected with a gas outlet of the floating base. A sealing ring is embedded between the inner surface wall of the assembling sleeve and the outer surface wall of the distance measuring window, an inner open groove is formed in the floating base, a partition plate is fixedly installed in the inner open groove, and a set of driving motors are fixedly installed in the floating base. The data obtained by the detection element is used as an adjustment basis, the equipment is controlled to continuously move towards the shallow water area, and in cooperation with the built-in positioning element, when the equipment is recycled, related personnel only need to reach the target shallow water area, so that the equipment searching time can be greatly shortened, and the equipment recycling cost is reduced.
Owner:ZHEJIANG SHOUXIN TESTING CO LTD
Regional full-coverage path searching method
PendingCN119642837AImprove reliabilityImprove stabilityInstruments for road network navigationPathPingDepth-first search
The invention belongs to the field of computer science and control, and particularly relates to a region full-coverage path searching method which comprises the following steps: S1, defining a grid information coding rule; s2, defining a grid division rule of the map; s3, defining a grid merging rule; s4, according to the rules in the step S1, the step S2 and the step S3, performing grid division and merging on the map; s5, searching an optimal path of the 2 * 2 grids by using a depth-first search method, and combining the optimal path with other 2 * 2 grid paths of the current layer; and S6, according to the coverage path of the previous layer, carrying out starting point and end point division on each group of 2 * 2 grids of the current layer, and repeating the step S5. According to the method, the search time can be remarkably shortened, the reliability and the stability of the planned path are improved while full coverage is ensured, and the problem that the DFS algorithm cannot be solved in time can be effectively solved.
Owner:HANGZHOU DIANZI UNIV
Unmanned aerial vehicle inspection method and system based on semantic guidance and asset value cost graph
PendingCN122086055AHave the ability to "predict"reduce flight timeVehicle position/course/altitude controlPosition/direction controlUncrewed vehicleConfidence map
The invention provides an unmanned aerial vehicle routing inspection method and system based on semantic guidance and an asset value cost graph, and the method comprises the steps: reasoning a possible distribution region of a target when the target is not directly observed through analyzing the structure law of semantic information, such as an equipment number, a function partition identifier and the like, in a transformer substation; generating a confidence map to guide the unmanned aerial vehicle to efficiently inspect; constructing a semantic cost graph fusing the static asset value and the dynamic operation risk, and quantifying potential loss of different regions when collision or falling occurs; according to the real-time health state of the unmanned aerial vehicle, semantic guidance is emphasized during normal inspection through a dual-guidance function fusion and switching mechanism, and the unmanned aerial vehicle is automatically switched to asset value cost minimization guidance in an abnormal or emergency state to realize safe disposal; the system adopts a framework of semantic reasoning, cost evaluation and flight control module decoupling, and guidance intelligence and control reliability are ensured. According to the invention, the inspection blindness of the unmanned aerial vehicle is obviously reduced, and the abnormality handling risk is reduced.
Owner:XUANCHENG POWER SUPPLY OF ANHUI ELECTRIC POWER CORP
Cleaning apparatus for surface submerged in liquid
PendingEP4395163A4Simple structureadjusting structure is controlledBatteries data exchangeCircuit monitoring/indication
The present disclosure provides a cleaning apparatus for a surface submerged in a liquid, including: an apparatus body; and an automatic rising-sinking structure, where through an operation of the automatic rising-sinking structure, the apparatus body rises or sinks. The present disclosure has the following beneficial effects: The cleaning apparatus for the surface submerged in the liquid automatically rises and sinks through the automatic rising-sinking structure, without being manually searched and lifted out of a water surface. The cleaning apparatus for the surface submerged in the liquid can also automatically rises out of the water surface when a filter box is to be cleaned or machine maintenance is required. The present disclosure reduces a manual labor, shortens searching time, and improves a working efficiency.
Owner:WYBOTICS CO LTD
A long-range ground laser point cloud plane segmentation method
The application discloses a long-range ground laser point cloud plane segmentation method, and specifically comprises the following steps: T1, determining the best neighborhood based on a dynamic search range, T2, designing a region growing algorithm based on dimensional features and the best neighborhood, and relates to the technical field of laser point cloud data processing application. The long-range ground laser point cloud plane segmentation method has density adaptability, the neighborhood search range is automatically generated based on a theoretical point spacing, and the needs of point cloud neighborhood searching at different scanning distances can be met; the construction of the best neighborhood guarantees that the calculation of point cloud local features is not affected by density changes; the estimation of the sampling interval conforms to the ground laser scanner acquisition principle, and the rationality of the theoretical point spacing is enhanced; the best neighborhood is added to the region growing, the plane segmentation algorithm is adapted to high-density change point clouds, has wide applicability of the dynamic search range, and the determination of the neighborhood search range starts from a single point, and the overall density change of the point cloud does not need to be analyzed.
Owner:CHONGQING JIAOTONG UNIV
Video processing method and device and related equipment
PendingCN119520793Ahigh speedreduce search timeDigital video signal modificationFeature extractionVideo processing
The invention provides a video processing method and device and related equipment, and relates to the technical field of video processing. The method comprises the following steps: performing feature extraction on a coding unit in a video to be processed to obtain feature information of the coding unit; performing priority decision on a plurality of coding modes in a coding mode pool according to the feature information of the coding units to obtain a coding mode sequence corresponding to the coding units; the sequence of the coding modes is the sequence of the priorities of the coding modes from high to low; and performing mode search on the plurality of coding modes based on the coding mode sequence corresponding to the coding unit to obtain a target coding mode of the coding unit. According to the method, the search sequence of the encoding modes can be adaptively adjusted, so that an encoder search architecture supports top-down search and bottom-up search, high-dimensional information is fully utilized in the mode search process, the search time and the calculation amount are reduced, and the speed of an encoder is increased.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
Cooperative control method of floating photovoltaic-hybrid energy storage system
PendingCN121965688Aincrease inertiaImprove stabilitySingle network parallel feeding arrangementsEnergy storageVirtual synchronous generatorCapacitance
The invention discloses a cooperative control method for a floating type photovoltaic-hybrid energy storage system, and the method employs a flexible connection and semi-tensioning mooring design, and is suitable for a 0-degree head wave long-period working condition. Improving maximum power tracking control, and inhibiting power point oscillation based on a partition variable step size and a prediction power algorithm; hybrid energy storage power is distributed through a low-pass filter, a storage battery and a super capacitor cooperatively process high / low frequency fluctuation, and the service life is prolonged by combining charge partition management; a virtual synchronous generator VSG adaptive control strategy is provided, an improved particle swarm optimization algorithm is adopted to optimize a J / D initial value, and frequency fluctuation is dynamically suppressed; an optical storage grid-connected system is established for verification, and the VSG technology enables the power frequency fluctuation to be quickly stabilized, thereby guaranteeing the stable operation of the system.
Owner:国网江西省电力有限公司九江供电分公司
Network signal intelligent seamless switching system, method and equipment
The invention provides an intelligent seamless switching system, method and equipment for network signals, relates to the technical field of networks, and aims to realize real-time change and high-speed seamless switching of routes. The system is characterized in that each signal forwarding node receives a signal from one source node in N source nodes at a moment and forwards the signal to other signal forwarding nodes or a destination node; the signal source synchronous calibration module is used for carrying out nth signal source synchronous calibration on the first node and the second node if the signal source identifiers of the signals received by the first node and the second node are the nth signal source identifiers aiming at the nth signal source identifier generated by the nth source node; the routing module is used for synchronously calibrating the nth signal source and determining a first path and a preselected path; and the switching module is used for switching the transmission path of the signal identified by the nth signal source from the first path to the preselected path in the process of transmitting the nth signal from the nth source node to the destination node based on the first path.
Owner:TSINGHUA UNIVERSITY
Multi-agent coverage search and task allocation path optimization methods, devices, and media
ActiveCN117762148BVersatilityadaptableVehicle position/course/altitude controlPosition/direction controlGenetics algorithmsArea coverage
This invention relates to a method, device, and medium for multi-agent coverage search and task allocation path optimization. The specific method includes: scenario construction and problem description, which describes the characteristics of the task area, the attributes of agents and targets, and clarifies the area coverage search problem and the target task allocation problem; area coverage model design, which establishes a minimum task time model objective function and constraints, and then solves the area coverage model; and task allocation strategy and path planning algorithm, which, considering agent speed and target attributes, combines a greedy strategy and a genetic algorithm to allocate target exploration tasks to agents, optimize target exploration paths, and reduce total task time. Compared with existing technologies, this invention improves the efficiency of marine area search and target exploration through multi-agent cooperation, achieving full area coverage search and accurate target exploration.
Owner:SOUTHEAST UNIV
A low-carbon dispatching method, system, device and medium for a power system
PendingCN122656157AEnhanced adaptive perturbationEnhancement strategy triggers adaptive perturbationElectric power systemBottleneck
The application discloses a kind of low-carbon scheduling method, system, equipment and medium of power system, belong to power grid low-carbon scheduling technical field, method includes initialization parameter and constructs collaborative space;By particle swarm module optimization reinforcement learning hyperparameter;Reinforcement learning module interactive experience data generation;Extract priority sample and elite particle realize two-way experience sharing;Converge after output scheduling strategy.System includes initialization module, collaborative space construction module, hyperparameter optimization module, interactive storage module, two-way experience sharing module and strategy output module.The application is coupled by constructing dynamic collaborative optimization space and two-way experience sharing mechanism, particle swarm and deep reinforcement learning.Feedback guides particle swarm to realize adaptive disturbance, avoid local optimum trap.At the same time, spontaneous optimization network parameter, significantly enhance the adaptability and generalization ability of algorithm.The scheme breaks through single algorithm decision bottleneck, improves low-carbon scheduling efficiency and power system reliability.
Owner:HAINAN POWER GRID CO LTD
Image search method and device
ActiveCN111753111Breduce search timeImprove search efficiencyDigital data information retrievalSpecial data processing applications
The embodiment of the present application discloses a method and device for image search. A specific implementation of the method includes: based on the search image uploaded by the user, selecting at least one image group from a preset image group set, a cluster group set obtained by product quantization of the image group association, a cluster association inverse linked list included in the cluster groups in the cluster group set, and the inverse linked list includes the image identifiers of the images in the image group that are related to the cluster; based on the matching relationship between the search image and the center points of the clusters included in the cluster groups in the cluster group set associated with each image group in the at least one image group and the inverse linked list associated with the cluster, selecting at least one image from the image set formed by the images in the each image group as the image to be pushed; generating search results including the determined images to be pushed. This implementation can save image search time and improve image search efficiency by introducing inverse linked list technology.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
Ship enterprise steel plate pre-lane-separation stacking management system based on knowledge base
PendingCN119515308AShorten the overall cyclereduce lossForecastingOffice automationData centerData acquisition
The invention discloses a knowledge base-based shipping enterprise steel plate pre-lane stacking management system, which depends on a data center of a shipping enterprise, and comprises a data acquisition module for acquiring and recording various dynamic data of steel plates in a storage yard in real time and generating a full-dimensional information knowledge base of the steel plates in the storage yard; the category model construction module is used for constructing a storage yard steel plate category model by using a data analysis tool and a Python data processing package; the demand prediction and resource dynamic balance module is used for forming storage yard pile position distribution and establishing a steel plate storage yard pile position model through the collected dynamic data in combination with a pile position projection mode, and according to the number of pre-separation label steel plates in a storage yard, in combination with the stacking number of the steel plates in the pile position and height constraint conditions, the demand prediction and resource dynamic balance module is established for the steel plate storage yard pile position model; solving a pile position rigidity requirement; and the data presentation module is used for carrying out comprehensive calculation and analysis on the steel plate inventory data to obtain a data result. The steel plates are efficiently stacked according to the pre-lane-dividing marks, and the steel plate stacking flexibility is improved.
Owner:SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
Mass spectrum dimensionality reduction method for large mass spectrum library and application of mass spectrum dimensionality reduction method
ActiveCN119622322Aquick searchImprove search speedDigital data information retrievalSpecial data processing applicationsFeature vectorAlgorithm
The invention belongs to the field of artificial intelligence and proteomics, and particularly relates to a mass spectrum dimensionality reduction method oriented to a large mass spectrum library and application of the mass spectrum dimensionality reduction method. The method comprises the steps that precursor features are processed through a full-connection network, and ion peak features and hash features are processed through a convolutional layer and a maximum pooling layer which are cascaded; splicing the processed features together, and inputting the spliced features into a full connection layer; the output features of the full connection layer, the precursor features, the ion peak features and the Hash features are used as the input of a Transform layer, and the Transform layer carries out processing to obtain an initial feature vector; splicing the initial feature vector with the mass-to-charge ratio feature of the mass spectrum to obtain a final feature vector after dimension reduction; according to the method, similar spectrogram retrieval can be quickly carried out in a large-scale mass spectrogram archive library, the calculation speed of PTM / SAAV related knowledge discovery is increased, the spectrogram search speed is increased, and the spectrogram search time is shortened.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
A distributed photovoltaic cluster division method and system considering frequency modulation response rate
ActiveCN118074164BReflects the degree of couplingHigh precisionForecastingSingle network parallel feeding arrangementsThermodynamicsControl theory
The present invention provides a distributed photovoltaic cluster division method and system considering frequency modulation response rate, wherein the method includes determining the frequency response speed of the distributed photovoltaic cluster; using the frequency response speed as the distributed photovoltaic cluster division index to determine the distributed photovoltaic cluster frequency regulation flexibility response speed index; determining the comprehensive electrical distance based on impedance-power reserve; determining the degree of electrical coupling between photovoltaic clusters according to the comprehensive electrical distance as the comprehensive electrical distance index; determining the active power balance index; assigning different weights to the distributed photovoltaic cluster frequency regulation flexibility response speed index, the comprehensive electrical distance index and the active power balance index respectively to obtain the comprehensive photovoltaic cluster division index; improving the convergence speed of the distributed photovoltaic cluster division process based on the comprehensive photovoltaic cluster division index to obtain the optimal division result of the distributed photovoltaic cluster. The present invention improves the accuracy of photovoltaic cluster division.
Owner:JIANGSU FRONTIER ELECTRIC TECH
A blood glucose test wound disinfecting device
ActiveCN224404171URealize the function of portabilityreduce search timeGlucose detectionProcess engineering
The utility model relates to disinfection device technical field, and disclose a blood glucose detection wound disinfection device, including the high block, the bottom of high block is provided with the spray disinfection mechanism, the bottom of spray disinfection mechanism is provided with the cotton ball storage mechanism. This blood glucose detection wound disinfection device, through setting cotton ball storage mechanism, in the use, utilize the storage cylinder of setting, can store medical cotton ball, and can replenish cotton ball to detach the storage cylinder, press the baffle to rotate to press the column, can take out the cotton ball inside the storage cylinder, simultaneously utilize the transparent storage bottle and the storage cylinder to the centralized storage mode of alcohol and cotton ball, can reduce the time of looking for, and the combination formula's big body, the centralized storage mode of both, can be convenient for long -term multiple use, and can be convenient to find before detection, realize the portable function of disinfection device, improve the convenience of use.
Owner:NANJING XINMO INTELLIGENT TECH CO LTD
Path planning method and system for personnel evacuation and obstacle avoidance
PendingCN121860173AAlleviating the problem of local optimalityImprove efficiencyForecastingKnowledge based modelsSimulationBidirectional search
The invention provides a path planning method and system for personnel evacuation and obstacle avoidance, and belongs to the technical field of personnel evacuation dynamic obstacle avoidance path planning. The invention provides a Bi-RRT *-based personnel evacuation path planning algorithm with self-adaptive bias and a new improved self-adaptive extended step length. On the basis of the standard Bi-RRT * algorithm, an adaptive bias strategy which is jointly influenced by search experience and obstacles is added, so that the convergence speed of the algorithm is effectively improved, the path search efficiency is improved, and the ability of passing through narrow terrains is improved; based on a self-adaptive step length search strategy combining the repulsion size and the direction included angle, the obstacle avoidance capability is improved; in combination with improved adaptive bias, adaptive step length and bidirectional search capability, the adaptive capability to a complex evacuation space search path and the search efficiency of a multi-obstacle region algorithm are effectively improved. The method has remarkable advantages in the aspects of path planning efficiency, path quality, convergence speed, complex environment adaptability and the like.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
Internet access method and Internet access system
InactiveCN119441656ARapid positioningImprove experienceWebsite content managementSpecial data processing applicationsComputer networkInformation access
The invention is applicable to the technical field of Internet, and provides an Internet access method and an Internet access system, comprising the following steps: receiving an information access instruction, the information access instruction comprising access time, an access account and an access address; calling user historical data according to the access account and the access address, and determining a plurality of recommended access addresses according to the user historical data and the access big data; obtaining a predicted access track according to the access time, the access account and the access address, and caching data to be accessed in advance according to the predicted access track; determining a real access track of the user, and updating the predicted access track based on the real access track; and based on the real access condition of the pre-cached data, the pre-cached data is cleared in a differentiated manner. According to the method, the data to be accessed are cached in advance according to the predicted access trajectory, and the predictive caching strategy based on the user access behavior can significantly improve the cache hit rate and reduce the access delay.
Owner:ZHEJIANG GAOMI NETWORK TECH CO LTD
Humanoid manipulator grabbing system and method
PendingCN119567300AFlexible range of motionReduce space consumptionProgramme-controlled manipulatorGripping headsAutomatic controlRobot hand
The humanoid manipulator grabbing system and method provided by the invention have relatively high adaptability, accuracy, interactivity and real-time performance. According to the grabbing system, the powerful image recognition and feature extraction capacity of the deep convolutional network is utilized, rapid and accurate recognition and positioning of objects of different shapes, materials and colors are achieved, an optimal grabbing scheme is automatically generated, and the tedious step that a grabbing target needs to be manually calibrated in the grabbing process of a traditional mechanical arm is abandoned; the self-adaptive structure of the under-actuated humanoid manipulator finger can simulate complex actions such as bending and stretching of the human finger, the stability and accuracy in the grabbing process can be ensured through automatic control of a system, and the adaptability and operation efficiency of the manipulator in a complex environment are improved; and a real-time analog simulation function is introduced, so that a user can intuitively monitor a grabbing control result, and the real-time performance and the man-machine interaction performance of the system are enhanced.
Owner:耿无寒
Storage card storage box
Owner:万张林
Pathology slide filing cabinet unit and compact cabinet therefor
ActiveCN224387028Uavoid pollutionreduce search timeChestsDressing tablesMechanical engineeringGeneral surgery
The utility model discloses a pathological section file cabinet unit and its intensive cabinet belongs to hospital file management technical field, including unit cabinet body and the multiple drawer of movable installation in unit cabinet body, the drawer inside is divided into a plurality of along the width direction setting storage area by partition, including slide box and baffle piece, the slide box is multiple, along the length direction and side by side setting in each storage area, and the same number of carding position of patient pathological section is provided in each slide box, the number of baffle piece is same with the number of storage area and movable installation in each storage area, baffle piece and the inner wall of drawer together hold a plurality of slide boxes in the corresponding storage area, the utility model discloses be convenient for to the pathological section of patient to carry out quick and take, and avoid missing simultaneously, and the section in each slide box is mutually separated, and there is no extrusion pollution phenomenon.
Owner:王贝朵