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332results about How to "Improve balance" patented technology
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User track privacy protection method and system fusing generative model and three-stage personalized differential privacy
PendingCN121959623Aimprove usabilityAvoid direct exposureDigital data protectionPersonalizationPrivacy protection
The invention discloses a user track privacy protection method and system fusing a generative model and three-stage personalized differential privacy, and relates to the technical field of data security, and the method comprises the steps: obtaining real user track data, and carrying out the preprocessing of the real user track data to form standardized track representation; training a depth generation model to generate synthetic trajectory data; performing density clustering on the synthetic trajectory to obtain a feature region and calculating a region centroid; point-level privacy budgets are distributed according to three stages of the area proportion, the centroid distance and the global density; constructing an adaptive elliptical disturbance domain based on the regional covariance, sampling candidate confusion points in the disturbance domain and applying road feasibility screening; and calculating a score based on the privacy budget and the utility function, and sampling replacement points by adopting an index mechanism to output a privacy protection trajectory. According to the technical scheme, the track structure continuity and the road semantic consistency are remarkably improved under the condition that the differential privacy constraint is met, and the privacy intensity and the data availability are both considered.
Owner:BEIJING UNIV OF TECH
Anaphora disambiguation method and system based on big language model enhanced text and structured query language generation
PendingCN121958307AResolve field value matching deviationImprove matching accuracyDigital data information retrievalSemantic analysisTable (database)Linguistic model
The invention discloses an anaphora disambiguation method and system based on big language model enhanced text and structured query language generation. The method comprises the following steps: receiving a natural language question of a user, and analyzing and generating structured table field information through mode information; identifying and rewriting fuzzy time expression in the problem; extracting ambiguous entities, and replacing the ambiguous entities with database standard values through semantic matching and fuzzy matching; synthesizing the information to generate a structured query language statement and executing the structured query language statement; and if the execution result is null, automatically triggering an anaphora disambiguation process, performing error correction and re-matching on field values in the statement through a dual matching mechanism, and generating and executing a corrected query statement. According to the method, the problems of fuzzy anaphora, indefinite time expression, low matching accuracy, resource waste and the like in a traditional SQL system are effectively solved through a strategy of combining pre-processing and post-processing, and the accuracy, robustness and execution efficiency of complex query are remarkably improved.
Owner:CHINA TELECOM DIGITAL INTELLIGENCE TECH CO LTD
Time sequence probability prediction method for fusion of two-stage space-time diagram network and multi-source information
PendingCN121786782AHigh precisionimprove interpretabilityGeneration forecast in ac networkEnsemble learningAlgorithmPredictive methods
The invention discloses a two-stage space-time diagram network and multi-source information fusion time sequence probability prediction method and device, and relates to the technical field of artificial intelligence and big data analysis. The method comprises the following steps: acquiring historical wind speed sequence data and corresponding target variable sequence data; preprocessing the data, and constructing a training sample according to a preset time sliding window; constructing a time sequence probability prediction framework of the two-stage space-time diagram network and multi-source information fusion; based on the fluctuation correlation of the historical sequence data, constructing an adjacent matrix between nodes; inputting the training sample and the adjacent matrix between the nodes into a wind speed prediction model, training the model through a designed threshold perception loss function of a wind speed-power nonlinear relationship, and outputting a multi-node wind speed prediction probability of a first stage; and inputting the multi-node wind speed prediction probability and the multi-source environmental factor data into the gradient boosting tree model for second-stage prediction, and outputting a multi-node wind power prediction result. According to the invention, prediction errors can be reduced.
Owner:UNIV OF SCI & TECH BEIJING +1
Transmission optical path routing planning method and device, electronic equipment and storage medium
PendingCN121984905AIncrease the level of automationImprove decision-making efficiencyElectromagnetic transmissionComplex mathematical operationsDistributed computingIndustrial engineering
The invention provides a transmission optical path routing planning method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring an optical path planning request; based on the endpoint information and pre-stored optical network resource data, generating a plurality of candidate optical paths meeting connectivity requirements among service endpoints; constructing a multi-target fitness function according to an optimization target in the routing strategy, and determining a fitness value of each candidate light path based on the multi-target fitness function; and selecting a target light path from the plurality of candidate light paths. According to the method, the multi-target fitness function is constructed based on the optimization targets in the routing strategy, and the fitness value of each candidate light path is determined based on the multi-target fitness function, so that the comprehensive performance of the plurality of candidate light paths under the plurality of mutually restricted optimization targets is objectively evaluated; therefore, the optimal target light path can be selected from the plurality of candidate light paths based on the fitness value, and the automation level and decision-making efficiency of light path planning are improved.
Owner:INSPUR TIANYUAN COMM INFORMATION SYST CO LTD
Carbon nanotube preparation method with carbon source and plasma timing cooperation and carbon nanotube
The application relates to the technical field of nanomaterial preparation, and particularly discloses a carbon nanotube preparation method based on carbon source and plasma time sequence cooperation and a carbon nanotube. In the gas phase deposition process, carbon source gas is input in a pulse mode, and a pulse type plasma is synchronously applied, wherein the carbon source input pulse and the plasma output pulse are time-differently matched, the carbon source supply window and the plasma action window form a non-fully-synchronized time sequence coupling relationship, the carbon source activation, transportation, deposition and structure reconstruction process are controlled in the time dimension, and meanwhile, the carbon source gas is introduced from a position close to the plasma action area to maintain the pulse opening and closing characteristics. The method can improve the growth selectivity of the carbon nanotube, reduce the defect density, and is suitable for controllable preparation of single-wall carbon nanotubes. The single-wall carbon nanotube with a semiconductor content greater than or equal to 83% can be prepared with high selectivity, and the product has the advantages of few defects, high purity and high yield.
Owner:ONE DIMENSIONAL CARBON (INNER MONGOLIA) TECHNOLOGY CO LTD
A composition comprising a polyamide and uses
The present application relates to a kind of compositions and applications comprising polyamide.The composition includes polyamide and sheet structure mineral powder, wherein, with 100 mass parts of polyamide, sheet structure mineral powder in the composition is 0.1-10 mass parts.The polyamide material in the present application has lightweight, easy processing, has cost advantage, compared with steel material has obvious advantage.Sheet structure mineral powder is added in polyamide material by intercalation modification, further improve the barrier property of product, effectively avoid "hydrogen embrittlement" risk, with "hydrogen embrittlement" resistance, low hydrogen permeability, and suitable for the temperature range of application, it has high toughness in low temperature environment condition, the performance of polyamide material reaches a good balance, and the comprehensive performance is better.Suitable for hydrogen pipeline, hydrogen storage bottle etc., has advantage in hydrogen energy automobile and other application scenarios.
Owner:CATHAY BIOTECH INC +1
Contour optimization composition method for crank on single-cylinder crankshaft
PendingCN121997471Aimprove balanceImprove app usabilityGeometric CADDesign optimisation/simulationAlgorithmCrank
The invention discloses a single-cylinder crankshaft upper crank contour optimization composition method which comprises the following steps: firstly, analyzing a single-cylinder inner crank-connecting rod-crosshead motion rule, and finding out a corresponding relation between each motion parameter and a crank contour; the crank, the connecting rod and the crosshead are integrally and reversely rotated, and point location data of the rotating center of the connecting rod and the crosshead are obtained; setting a safety interval and a vertical line to obtain point position data of an intersection point of the crosshead movement line and the crank contour limiting line and tangent point data of the crank contour limiting line on the crank contour; repeating the operation according to the adjusted angle value to obtain a plurality of groups of tangent point data; fitting and processing the multiple groups of tangent point data to obtain a first group of crank limit profile curves and a second group of crank limit profile curves, shifting the outer circle of the crank pin to obtain an auxiliary profile, and connecting the three to obtain a crank profile. According to the method, the contour of the crank can be designed to the maximum extent, the balance performance of the crank is effectively improved, and the application applicability of the crankshaft is enhanced.
Owner:CNPC NATIONAL OIL & GAS DRILLING EQUIPMENT ENGINEERING & TECHNOLOGY RESEARCH CENTER CO LTD +2
Trapezoidal turning plate table
ActiveCN224250964Uimprove balanceIncrease activity spaceTablesFeetStructural engineeringMechanical engineering
The utility model discloses a trapezoidal turning plate table, which belongs to the technical field of articles for daily use, and comprises a table plate which is rotatably connected to table legs, a turning assembly is arranged at the bottom of the table plate, the turning assembly comprises two mounting plates, a guide plate, a pull rod and a fixing rod, the guide plate is arranged on the mounting plates, and the pull rod is arranged on the guide plate. The fixing rod is fixedly arranged between the two mounting plates, the guide plates are rotationally connected to the mounting plates, guide grooves are formed in the guide plates, sliding blocks are arranged on the guide grooves in a sliding mode, the tops of the pulling rods are rotationally connected with the sliding blocks, and the middles of the pulling rods are rotationally connected to the fixing rod. The tail portion of the pull rod extends to the outer side of the installation plate, a hook buckle is fixedly arranged on the guide plate, a supporting rod is fixedly arranged on the table leg, the hook buckle is tightly hooked on the supporting rod, and the folding table has the advantage of being convenient to store.
Owner:XIAMEN SHENG CHENG XIN TECH CO LTD
Converter IGBT evaporative cooling system and control method
PendingCN122069689Aincrease evaporation rateimprove balanceModifications using liquid coolingLoop controlFluid phase
According to the variable-flow IGBT evaporative cooling system and the control method provided by the invention, dryness online calculation and closed-loop control based on pressure and density signals are introduced into the IGBT evaporative cooling system, so that accurate sensing and active regulation and control of a phase change state of a cooling medium are realized; therefore, it is ensured that the IGBT module is always in a gas-liquid mixing environment with the optimal heat exchange efficiency, the efficient heat dissipation capacity of phase change latent heat is fully utilized, local overheating or temperature fluctuation caused by excessive evaporation or insufficient liquid phase is avoided, the heat dissipation uniformity, stability and energy efficiency are fundamentally improved, and the heat dissipation efficiency is improved. The self-adaptive capacity of the system to different load working conditions is enhanced, and the guarantee is provided for long-term reliable operation and service life prolonging of the IGBT module through direct control over the key state quantity of dryness.
Owner:ONOFF ELECTRIC CO INC
PE gas pipe correction clamp
The utility model relates to gas pipe correction technical field especially, it relates to a kind of PE gas pipe correction clamp, solve the problem that the pipe wall is prone to local indentation, flattening or stress concentration, and new plastic deformation is easily caused in the clamping area of pipe body when only applying correction force from outside in prior art due to the certain flexibility and elasticity of PE material.A kind of PE gas pipe correction clamp, including frame, both sides of frame are fixedly connected with side plate, and the opposite side of two side plates is equipped with arc clamping plate, and the bottom of two arc clamping plates is slidably connected between the bottom of frame, both sides of frame are equipped with support rod, and the one end of two support rods is respectively through both sides of frame.The utility model effectively solves the problem that pipe wall is prone to flattening, indentation or uneven stress due to lack of inside support in existing correction clamp, realizes the simultaneous support and uniform stress of inside and outside of PE gas pipe.
Owner:黄柏钜
Graph drive program-based super-division method, apparatus and device, medium and product
PendingCN122089573AAutomatically determineglobal optimization callGeometric image transformationProcessor architectures/configurationVideo memoryGraphics
The invention provides a super-division method based on a graph driving program, a super-division device based on the graph driving program, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: determining a target super-resolution parameter under the condition of determining to start image super-resolution processing based on a submission time interval of a final frame in computer equipment; based on the hardware operation information of the computer equipment, determining a target execution device used for executing image super-division processing in the computer equipment and a corresponding target super-division algorithm; the hardware operation information represents the rendering time consumption of the computer equipment, the occupation condition of a video memory and the use condition of a hardware acceleration unit; and performing image super-division processing on the submitted final frame based on the target super-division parameter, the target execution device and the target super-division algorithm to obtain a super-division frame.
Owner:MOORE THREADS TECH CO LTD
A method for directional separation of aluminum from an anodizing and straightening bath
PendingCN122586220AImprove separation rateReduce the difficulty of separation
The application provides a directional separation method of aluminum in anodic oxidation linear polishing liquid, and belongs to the technical field of wastewater treatment. The directional separation method of aluminum in anodic oxidation linear polishing liquid is a phosphoric acid-based polishing liquid, and comprises the following steps: S1. pumping the anodic oxidation linear polishing liquid containing aluminum ions into a reaction kettle, heating and maintaining the system temperature at 50-70 DEG C; S2. slowly adding a solid sodium salt precipitant to the polishing liquid under stirring, and the molar ratio of sodium ions in the sodium salt precipitant to aluminum ions in the polishing liquid is controlled to be 1.05-1.20; S3. maintaining the temperature and stirring state to react for 1-2 hours, then cooling the reaction kettle, reducing the system temperature to 15-25 DEG C, and standing and aging for 2-4 hours, so that aluminum ions are precipitated in the form of sodium-containing aluminum phosphate precipitate; and S4. performing pressure filtration solid-liquid separation on the mixed solid-liquid system after reaction, and the intercepted filter cake is the separated sodium-containing aluminum phosphate precipitate, and the obtained filtrate is a de-aluminum polishing regeneration liquid.
Owner:ZHEJIANG AMETHYST ENVIRONMENTAL TECHNOLOGY CO LTD
A wire base for automatic cable
Owner:GUANGZHOU CABLE FACTORY CO LTD
High-flexibility polyester fluoropropylene dispersion and preparation method thereof
PendingCN121975389ASolve the hidden danger of failureImplement flexible bridgingCoatingsPolyesterPolymer science
The invention relates to the technical field of high polymer materials, in particular to a high-flexibility polyester fluoropropylene dispersion and a preparation method thereof.The preparation method comprises the steps that linear saturated polyester diol is taken, an activating agent is added to conduct end group activating treatment on a polyester main chain, then a catalyst is added to conduct grafting treatment, and bridged polyester is obtained; introducing fluoropropylene gas into the reaction kettle of the bridged polyester, and carrying out copolymerization treatment to obtain a copolymer; cooling the copolymer to a preset value, adding a surfactant to perform coating treatment on the copolymer, and slowly adding deionized water to perform shearing treatment to obtain an aqueous dispersion; and adding tetraethoxysilane into the aqueous dispersion, and carrying out hydrolysis treatment under the condition that the pH value is 4.3-4.6, so as to obtain the high-flexibility polyester fluoropropylene dispersion. According to the invention, the elongation at break, bending tolerance and cracking resistance of the dispersion after film formation are improved, and the hidden danger of material failure under high-flexibility scenes such as flexible electronic base materials and bendable coatings is solved.
Owner:深圳市深赛尔股份有限公司
A shielded pump with dynamic balance and no leakage structure
ActiveCN120798814Breduce leakageimprove balancePump componentsPump installationsElectric machineryStructural engineering
The application discloses a shielding pump with a dynamic balance and a non-leakage structure, wherein a leakage prevention structure is arranged at a fixing position of an outer ring shielding cover and a motor shell front cover, and a dynamic balance structure is arranged at a fixing position of an inner ring shielding cover and an end ring; the leakage prevention structure adopts a multistage buffer groove structure, and the dynamic balance structure adopts an elastic sealing balance structure; the leakage prevention structure comprises a front cover sealing sleeve in a "]" structure, the front cover sealing sleeve is fixed across two sides of a first step surface of the front cover, one end of the front cover sealing sleeve is fixedly connected with an inner side surface of the front cover through bolts, and the other end of the front cover sealing sleeve is connected with a second step surface of the front cover through a static sealing belt; and the inner ring shielding cover is provided with a radial inner ring shielding cover sealing part and an axial inner ring shielding cover cross sealing part which are sequentially connected at both ends of the inner ring shielding cover.
Owner:ZHEJIANG WEIGE PUMP IND CO LTD +1
Self-driven double-disc energy recovery device
ActiveCN117244405Bachieve independent operationReduce hydraulic drive energy consumptionSeawater treatmentWater/sewage treatment bu osmosis/dialysisDynamic balanceProcess industry
The present application belongs to the technical field of liquid overpressure energy recycling in process industry, and discloses a self-driven double-rotating disc type energy recycling device, which comprises a first cylinder and a second cylinder which are symmetrical and connected in the same structure, and the internal space of the first cylinder and the second cylinder is provided with a special-shaped shaft, a stator, a first rotating disc, a second rotating disc, a first sleeve and a second sleeve which are coaxially arranged; the first rotating disc and the first sleeve are located at one end of the stator, and the second rotating disc and the second sleeve are located at the other end of the stator; the first sleeve and the second sleeve are fixedly connected with the stator through bolts, and the first rotating disc and the second rotating disc are coaxially and staggeredly connected at both ends of the stator through the special-shaped shaft. Through the technical measures of circumferential inflow impact driving double-rotating disc coaxial rotation movement and pressure exchange of high and low pressure fluids in the stator channel, the present application realizes independent operation of rotary switching and pressure exchange, better dynamic balance performance and other effects, which is beneficial to improve the operation stability and efficiency of the device, and is easy to realize engineering amplification of the treatment capacity.
Owner:TIANJIN UNIV
Xanthene nitroreductase-responsive fluorescent dye compound as well as preparation method and application thereof
PendingCN121949296Aquick identificationaccurate identificationOrganic chemistryPhotodynamic therapyNitroreductasePerylene derivatives
The invention discloses a xanthene nitroreductase-responsive fluorescent dye compound as well as a preparation method and application thereof, and belongs to the technical field of xanthene derivatives. The fluorescent dye compound can be used for quickly and specifically recognizing overexpressed nitroreductase in tumor cells; after the fluorescent probe acts with nitroreductase, the fluorescence intensity of the fluorescent probe at 718 nm is obviously enhanced, and the fluorescent probe has excellent targeting capability on mitochondria; meanwhile, under the excitation of illumination with the specific wavelength of 660 nm, an acting product of the fluorescent dye compound and nitroreductase can efficiently generate reactive oxygen species (ROS), and then the effect of specifically killing tumor cells is achieved. The xanthene nitroreductase response type fluorescent dye compound provided by the invention can achieve the goal of integration of diagnosis and treatment of solid tumors, and has important clinical application value.
Owner:LULIANG UNIV
Quick-start compressed air energy storage system based on residual wind power absorption and control method of quick-start compressed air energy storage system
ActiveCN121886515Aimprove balancehigh speedElectrical storage systemWind energy with garvitational potential energyWorking fluidAir compressor
The invention discloses a quick-start compressed air energy storage system based on residual wind power absorption and a control method thereof. The system comprises a power divider, a lithium battery, a main compressor unit, at least one peak shaving compressor, a plurality of compression working medium flow valves, a plurality of air compressor interstage coolers, an air storage tank, a pressure regulating valve, a vortex tube, a distribution valve, a heat storage tank, a plurality of heat tank heat source supply flow valves, a cycle working medium flow valve, a turbine air inlet precooler, a turbine generator unit and an adsorption tower. An ORC power generation system and a power supply control and black start module; wherein the power supply control and black start module is used for executing corresponding control strategies according to various power grid operation data and wind power. The system can adaptively start the peak regulation compressor to absorb excess electric energy, and combines a hybrid frequency modulation architecture and a black start protocol, so that the system response speed, the energy storage density, the energy comprehensive utilization efficiency and the power grid supporting capability are remarkably improved, and efficient consumption and rapid peak regulation of wind power fluctuation are realized.
Owner:HUANENG ZHONGYAN (CHANGZHOU) ENERGY STORAGE CO LTD +1
Elastic doppler complementary waveform design method combined with signal strength and sidelobe suppression optimization
ActiveCN120103289BEnhanced inhibitory effectreduce distractionsNeural learning methodsRadio wave reradiation/reflectionRadar systemsSide lobe
The application discloses a signal strength and sidelobe suppression combined optimization elastic Doppler complementary waveform design method, first proposes a Pareto effective framework for Golay complementary waveform design, and the framework jointly optimizes a Doppler elastic transceiving sequence pair. The framework considers a constrained optimization problem in terms of SMR and SNR, constructs a loss function of a Pareto multi-objective optimization problem by using an epsilon-constraint method, and obtains all possible Pareto optimal solutions. Secondly, in order to solve the optimization problem, a model-driven machine learning algorithm is innovatively designed to process the multi-objective optimization problem. The application effectively reduces the interference of sidelobes on weak target detection, improves the accuracy and reliability of target detection of a radar system, can more clearly detect and distinguish multiple targets, and enhances the overall performance of the radar system.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Organic compound, organic electroluminescence device, and electronic device
ActiveCN117777158BImprove mobilityImprove production efficiencyOrganic chemistryLuminescent compositionsSimple Organic CompoundsOrganic electroluminescence
The application belongs to the technical field of organic electroluminescence, and relates to an organic compound, an organic electroluminescent device using the same and an electronic device. The organic compound has a structure as shown in formula 1. When the organic compound is used in an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.
Owner:SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
Data transmission method and system, storage medium, program product and computer equipment
The invention discloses a data transmission method and system, a storage medium, a program product and computer equipment. A sending device configured with a congestion window reads data from a preset database; packaging the read data based on the current state of the congestion window to obtain a data message; sending the data message to a receiving device, and receiving a feedback message from the receiving device; and based on the feedback message, state adjustment is performed on the congestion window and / or the reading rate is adjusted, and the reading rate is suitable for indicating the rate of reading the data from the preset database, so that the sending device can send the data message according to the feedback message fed back by the receiving device after sending the data message. According to the invention, the state of the congestion window is dynamically adjusted according to the actual situation to realize congestion control and / or the reading rate is dynamically adjusted to control the transmission efficiency, so that the dynamic balance between the congestion control and the transmission efficiency is realized, and the balance between the congestion control and the transmission efficiency is improved.
Owner:CHINA MOBILE (SUZHOU) SOFTWARE TECH CO LTD +1
Smooth brushless actuator
The application discloses a stable brushless actuator, which comprises a rear shell, a front shell, a stator assembly and a rotor assembly. A balance rotating joint is arranged on the rotating shaft end of the rotor assembly and in the internal cavity of the rear shell. A magnet is arranged on the other end of the rotating shaft. A functional circuit board is arranged on the stator assembly and close to the magnet. A lower bearing is arranged on the rotating shaft and close to the magnet. The balance rotating joint is in a "Z" shape structure. An upper bearing is arranged on the head of the balance rotating joint. The application adopts electronic commutation and is in a brushless mode. The application has the characteristics of lower noise, lower electromagnetic interference, more accurate control, simpler installation, more convenient maintenance and the like. The balance rotating joint arranged on the rotating shaft end strengthens the balance degree and stability of the rotating shaft. Therefore, the application has a longer service life and higher working efficiency.
Owner:浙江致森电控科技有限公司
A new ammonia evaporation energy-saving process system
ActiveCN120903613BAchieve multiple recyclingreduce consumptionWater contaminantsWater/sewage treatment by heatingAmmoniacal nitrogenControl cell
The present application relates to the field of coking, synthetic ammonia and the like containing ammonia wastewater treatment, and discloses a novel ammonia evaporation energy-saving process system, a primary ammonia evaporation tower, an intermediate pressurizing pump set, a water flow regulating device, a secondary ammonia evaporation device, a flash tank, a steam ejector, a pressurizing pump set and a control unit. After the ammonia-containing wastewater is preliminarily treated by the primary ammonia evaporation tower, it is delivered to the secondary ammonia evaporation device by the pressurizing pump, and introduced into new steam for secondary ammonia evaporation. After the secondary ammonia evaporation, the wastewater flows into the flash tank to produce flash steam by cooling and pressure reduction, and the flash steam is pressurized by mixing with the new steam through the steam ejector, and then returns to the primary ammonia evaporation tower or the secondary ammonia evaporation device, so that the steam is recycled multiple times. The system can effectively reduce the new steam consumption by 35-45% under the premise of ensuring the stability of the ammonia nitrogen index of the effluent, improve the energy utilization rate, reduce carbon emissions, and is suitable for direct ammonia evaporation and indirect ammonia evaporation systems.
Owner:HAILIYUAN (TIANJIN) ENG TECH CO LTD
Magnetic force polishing material needle separation device
ActiveCN224587754UGood deburring and polishing effectImprove deburring and polishing effectMechanical engineeringPhysics
This utility model discloses a magnetic polishing needle separation device, comprising: a filter box and a filter basket; the filter basket has a filter hole group that allows magnetic needles and fluid medium inside the basket to leak out of the filter basket while the workpiece inside the basket remains inside the filter basket; an opening is provided at the top of the filter box, and a swinging device is provided inside the filter box, allowing the filter basket to be placed on the swinging device through the opening, and the swinging device swings the magnetic needles inside the filter basket to be sieved out and fall into the filter box. The magnetic polishing needle separation device with the above structure can automatically separate the workpiece from the magnetic needle, with good separation effect, high degree of automation, greatly improving production efficiency and reducing labor intensity and labor costs.
Owner:陶佳蕾
Gravity compensation device, surgeon console and surgical robot
The application discloses a gravity balancing device, a doctor console and a surgical robot, wherein the gravity balancing device comprises an adjusting cavity arranged through an installation base, a constant force spring unit is arranged in the adjusting cavity or at an opening position of the installation base relative to one end of the adjusting cavity, one end of a balancing steel wire rope is connected with the constant force spring unit, and the other end is connected with a rotating disc; in the embodiment of the application, the above-mentioned gravity balancing device, the doctor console and the surgical robot are adopted, the constant force spring unit is used to provide a balancing force, the balancing force provided by the constant force spring unit is constant, the influence of the length reduction of the balancing steel wire rope on the balancing force is avoided, the balancing effect is ensured, the force required by a human hand is reduced, the balancing steel wire rope is directly fixed and connected on the rotating disc, that is, the balancing steel wire rope directly drives the rotating disc to rotate through the constant force spring unit, so that the loss of the balancing force is reduced, and the balancing effect is improved.
Owner:HANGZHOU WISEKING MEDICAL ROBOT CO LTD
Query key value guided asymmetric feature augmentation system and method
This invention belongs to the field of computer vision and image processing technology, and particularly relates to a query key-guided asymmetric feature enhancement system and method. The system includes: Q-ASFE modules embedded in the backbone network, specifically in the link where features are transmitted from the C3K2 module to the CBS module. The P2 and P3 layer feature maps output by the backbone network are processed by the neck network to output three feature fusion maps at different scales. These three feature fusion maps are then processed by a detection head to obtain the final detection result. This invention achieves efficient enhancement of image features through the organic integration of spatial detail awareness and global semantic guidance.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Bulbous bow structure of steamship
ActiveCN224211215UHave a position correction effectemission reductionWatercraft hull designHydrodynamic/hydrostatic featuresClassical mechanicsStructural engineering
The utility model relates to a bulbous bow structure of a steamship. The bulbous bow solves the problems that in the prior art, a bulbous bow is large in traveling wave resistance and poor in stability. The bulbous bow comprises a bulbous bow body, overflowing assemblies are arranged on the two sides of the bulbous bow body, sealing cover plate assemblies are arranged on the outer walls of the overflowing assemblies in the circumferential direction, a movable load control mechanism is arranged in the bulbous bow body, and buoyancy supporting devices which can stretch under pressure are arranged on the two sides of the bottom of the bulbous bow body. The bulbous bow has the advantages that through linear optimization of the bulbous bow body, wave-making resistance is reduced, the purposes of reducing oil consumption and reducing carbon emission are achieved, and the sinking and floating stability of the bulbous bow body is effectively ensured.
Owner:STATE OWNED HAIDONG SHIPYARD
Telescopic water tank storage basket structure
ActiveCN224155570Ueasy to placePlace stableKitchen equipmentStructural engineeringMechanical engineering
Owner:LINHAI JIAHAO HOME PROD CO LTD
A long video action planning method and device based on a hierarchical re-planning architecture
ActiveCN121353989BRich contextual informationAlleviating uncertaintyCharacter and pattern recognitionNeural learning methodsVisual technologyArtificial intelligence
The application provides a long video action planning method and device based on a hierarchical re-planning architecture, and belongs to the technical field of computer vision. The method comprises the following steps: based on input starting video observation and target video observation, an intermediate observation and a task category are generated through a first layer diffusion model; based on the starting video observation and the target video observation, and the generated intermediate observation and the task category, an initial action sequence is generated through a second layer diffusion model; the initial action sequence is filtered to reduce the search space of intermediate actions and freeze the actions at both ends of the sequence, and the intermediate actions are re-planned through a third layer diffusion model to generate a final action sequence. Based on the method, a long video action planning device based on the hierarchical re-planning architecture is also provided. Through the observation planning, action planning and re-planning mechanism, the planning accuracy of the middle actions in the long video action sequence is significantly improved, and the balance and robustness of the overall planning are improved.
Owner:HARBIN INST OF TECH AT WEIHAI
Land utilization planning auxiliary method and system based on 3D terrain model
InactiveCN121767588Aimprove balanceAchieve precise planningImage enhancementKnowledge based modelsVoxelLandform
The invention relates to the technical field of three-dimensional geographic modeling, in particular to a land utilization planning auxiliary method and system based on a 3D terrain model, and the method comprises the following steps: obtaining point cloud and elevation information, converting the information into a terrain curved surface, discretizing the information into a voxel grid, analyzing a planning index, converting the planning index into a geometric constraint boundary, and traversing to construct a planning voxel field. Calculating earthwork digging and filling requirements and sunshine hours to generate an evaluation matrix, correcting the building voxel distribution and finely adjusting the terrain elevation. According to the method, terrain refined expression is realized by using an octree segmentation algorithm, indexes such as a plot ratio are converted into three-dimensional space geometric constraints, site suitability is evaluated through connectivity analysis, and building layout and earthwork balance are automatically optimized by adopting morphological operation, so that the problems of lack of space intuition and error accumulation in traditional two-dimensional planning are solved; the planning calculation precision and decision scientificity under the complex terrain are remarkably improved, and dynamic adjustment and visual expression of the scheme are achieved.
Owner:YULIN HONGMANYUAN GREEN DATE IND DEV CO LTD