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Multi-modal information fused corn disease intelligent grading evaluation and treatment recommendation method
PendingCN119625530ASpeed up the extraction processincrease spaceData processing applicationsCharacter and pattern recognitionFeature extractionMedicine
The invention relates to a corn disease intelligent grading evaluation and renovation recommendation method fusing multi-modal information, and relates to a corn diversity disease identification and multi-stage evaluation model based on position coding. The method comprises the following steps: introducing a position attention mechanism, and carrying out multi-layer stacking by taking an inverse movement residual module integrated with position coding as an element movement block; the capabilities of complex image feature extraction and spatial information analysis are enhanced, and a scab region is segmented, so that disease type distinguishing and severity evaluation are realized; constructing a model based on a corn disease entity relationship triple library: performing deep context coding on a corn disease text, realizing classification and prediction of complex relationships among disease entities through a multi-layer structure, and analyzing complex links and influence factors among diseases; and a corn disease treatment method recommendation model combined with an implicit relationship: according to a disease identification and grading result and a disease triple, mining an optimal implicit relationship among different disease entities through complex number embedding and a graph neural network, and giving an accurate disease treatment method recommendation.
Owner:NORTHEAST DIANLI UNIVERSITY
Digital audio processing method and system for sound equipment
ActiveCN119485105AImprove output performanceincrease spaceFrequency/directions obtaining arrangementsFrequency spectrumNoise
The invention relates to the technical field of digital audio processing, in particular to a digital audio processing method and system for sound equipment. The system comprises an audio signal acquisition module, a signal analysis module, an adaptive adjustment module, a howling suppression module and a sound effect optimization feedback module. The audio signal acquisition module acquires data such as frequency spectrum and amplitude of the sound equipment in real time. And the signal analysis module generates a signal analysis report based on a non-negative matrix factorization algorithm and a generative adversarial network algorithm. And the adaptive adjustment module automatically adjusts audio parameters through a fuzzy logic control algorithm. The howling suppression module suppresses howling noise by using an adaptive feedback cancellation algorithm. And the sound effect optimization feedback module adopts a Bezier curve to enhance the sound effect and realize frequency, phase and space positioning optimization. Through cooperative processing of audio acquisition, accurate analysis, adaptive adjustment, howling suppression and spatial sound effect optimization, the audio quality and stability are improved, and the audio spatial effect and user experience are enhanced.
Owner:GUANGZHOU LEIMENG TECH CO LTD
Virtual reality interaction method for constructing multi-modal fusion based on application scene features
The invention discloses a virtual reality interaction method for constructing multi-modal fusion based on application scene features, and relates to the technical field of virtual reality. In order to solve the technical problem that in the prior art, when an existing multi-modal fusion technology is used for processing fusion of different modal data, the characteristic difference between different modals is large, the technical scheme provided by the invention comprises the following steps: acquiring and preprocessing multi-modal data; constructing a cross-modal knowledge enhancement network, extracting initial features, and enhancing the consistency and difference between visual and auditory features; important context information in fusion features is optimized and enhanced based on an optimization network of frequency spectrum and space attention; constructing an edge guide learning network, and combining the edge guide learning network to the tactile data; the visual, auditory and tactile features are fused and applied to a virtual reality scene; and optimizing the model through structural similarity loss, mean square error loss, significance weight loss and edge loss. The method is suitable for cooperative work of multi-modal features in a complex environment.
Owner:HARBIN AIWELL TECH CO LTD
Audio control method and device, electronic equipment and storage medium
PendingCN119450301AAchieve precise compensationImprove hearingSignal processingTransducer circuitsSound imageEngineering
The invention relates to the technical field of audio control, and provides an audio control method and device, electronic equipment and a storage medium. The audio control method comprises the steps that a sound effect test is carried out on a target space based on a specified measurement signal to obtain environment response information, and the environment response information comprises pulse response information and information obtained after pulse response is separated; analyzing the environmental response information to obtain acoustic characteristic information of the target space; performing compensation processing on the to-be-processed audio based on the acoustic characteristic information to obtain a regulated audio; regulating and controlling the gains of the multiple sound channels corresponding to the regulated and controlled audio to obtain audio regulated and controlled again; and carrying out multi-channel collaborative optimization processing on the audio after being regulated and controlled again to obtain the audio with a target effect. According to the method, accurate compensation of the acoustic defect of the target space is realized, the problem of crosstalk between sound channels is effectively solved, the positioning and space sense of the sound image is remarkably improved, the overall hearing sense of the audio is greatly improved, and the audio output is continuously optimized.
Owner:LINKPLAY TECHNOLOGY INC NANJING
Method and system for detecting magnetic flux leakage defect of long-distance pipeline based on improved YOLOv8
PendingCN119625283Aincrease spaceimprove relevanceCharacter and pattern recognitionBiological modelsData setComputational physics
The invention provides a long-distance pipeline magnetic flux leakage defect detection method and system based on improved YOLOv8, and belongs to the field of pipeline safety detection.The method comprises the steps that magnetic flux leakage image data of a long-distance pipeline are obtained, defect labeling is conducted on the image data, and a data set is obtained. A lightweight SPD-Conv module is introduced into a backbone network of an original YOLOv8 network model, a CBAM attention module is added in a neck structure, an ECIOULOSS loss function is used for replacing a loss function in an original model, an improved YOLOv8 model is formed, part of data is selected from a data set according to the proportion to be input into the model for training, and a pipeline detection model is obtained. And inputting a to-be-detected image into the pipeline detection model, and outputting defect information and defect positions in the image. Through the improved YOLOv8 network model, the influence of human factors on magnetic flux leakage defect detection is effectively reduced, and the accuracy and reliability of long-distance pipeline magnetic flux leakage defect detection are remarkably improved.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY
Road topology analysis and scene hierarchical representation method under open set perception reasoning
ActiveCN119672241Aunderstand efficientRaise awarenessInference methods3D modellingPattern recognitionEnvironmental cognition
According to the road topology analysis and scene hierarchical representation method under environment open set perception reasoning, the image mask of the object instance is obtained, and the limitation of closed set environment perception is avoided; in combination with laser data, obtaining a three-dimensional instance of an object, and improving instance representation and open set understanding capability of a three-dimensional space of a complex open environment; based on object instances and large language model analysis and inference, artificially defined abstract objects or areas are obtained, an instance semantic map containing explicit and abstract objects is constructed, the environment cognition degree is improved, and the gap with the human cognition environment is shortened; in combination with an instance object map, point cloud geometric information and open vocabulary road semantics, environment obstacle information is extracted, a road Voronoi diagram is constructed, and the topology precision and generalization of an open scene are improved; finally, environment hierarchical representation containing geometry-semantics-topology is constructed, efficient understanding, reasoning and hierarchical representation of the environment are achieved, and an environment representation basis is provided for task application such as environment understanding, reasoning, query, positioning and planning.
Owner:BEIJING INST OF TECH
Intelligent directional and quantitative smell generation method in virtual reality olfaction interaction
PendingCN119556795Aincrease diversityImprove immersionInput/output for user-computer interactionDesign optimisation/simulationSmell PerceptionComputer graphics (images)
The invention discloses an intelligent directional and quantitative smell generation method in virtual reality olfaction interaction, and relates to the technical field of virtual reality. The invention provides an intelligent, directional and quantitative smell generation method in order to solve the technical problems that in smell generation work in virtual reality in the prior art, the variety and generation precision of smell are limited, an accurate smell concentration control mechanism is lacked, and interactive linkage with user actions and a virtual environment is lacked. In combination with an odor molecule dynamic combination technology, a deep learning prediction model, closed-loop concentration control and a spatial orientation transmission system, richer, personalized and immersive olfactory interaction experience is provided. Comprising a smell synthesis module, a digital smell control unit, an intelligent smell prediction model, a directional smell transmission system and a virtual wind field simulation module. The method is suitable for being applied to the work of intelligent directional and quantitative smell generation in virtual reality olfaction interaction.
Owner:HEILONGJIANG HUAZHONG TECH CO LTD
Method and device for simulating video medium by multi-mode medium in dubbing and readable storage medium thereof
ActiveCN119629292AReduce bandwidth costsReduce financial burdenTelevision system detailsColor television detailsComputer hardwareComputer architecture
The invention provides a method and a device for simulating a video medium by a multi-mode medium in dubbing and a readable storage medium thereof. In the dubbing field, a traditional video medium has the problems of high cost, poor flexibility and the like. According to the method, multi-mode media such as audios, pictures and texts are dynamically loaded during program running, and the video effect is simulated through specific steps. The method comprises the following steps of: initializing an item, configuring resources, requesting and analyzing data, loading a UI (User Interface) control, synchronizing the data and the control, adding an interactive operation and an extended function, and finally releasing the resources. The technology effectively reduces the cost, realizes resource sharing, improves the operation efficiency and flexibility, has cross-platform compatibility, has important practical value in dubbing and other multimedia application scenes, and can bring more efficient and convenient experience to users.
Owner:HANGZHOU FEIZHU SCI & TECH CO LTD
Blade battery pole piece defect detection model construction method based on GAN
PendingCN119478488AAccurate detectionImprove stabilityCharacter and pattern recognitionNeural architecturesData setElectrical battery
The invention discloses a GAN-based blade battery pole piece defect detection model construction method. The method comprises the following steps: acquiring a plurality of target pole piece images with defects; preprocessing the image to obtain a preprocessed image, and extracting an effective area with defects in the image; contour information is obtained for the effective areas, and the contour information is accurately classified according to feature parameters; performing data enhancement on the classified data to obtain an enhanced data set; in the data set, defect types and position information are used as labels, a neural network is trained, and a neural network model is used as a defect detection model of the blade battery pole piece. According to the invention, the data set after data enhancement is used as the training set to be input into the network, so that the problem that the training samples are seriously insufficient due to multiple defect types of the battery pole piece and low probability of occurrence of individual samples is solved, and the detection accuracy of the battery pole piece defect detection model is greatly improved; and various defects and position information of the blade battery pole piece can be quickly and accurately detected.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
Magnetic control bistable soft capsule robot and driving method thereof
ActiveCN119318455Aincrease spaceincrease freedomGastroscopesOesophagoscopesMechanical engineeringGastrointestinal tract
The invention belongs to the field of magnetic control capsule robots, and particularly discloses a magnetic control bistable soft capsule robot and a driving method thereof, and the capsule robot comprises a first assembly and a capsule shell; a substance exchange channel is arranged on the capsule shell; the first assembly is arranged in the capsule shell; the first assembly comprises a bistable hemispherical shell and a first magnetic garment which are both of a magnetic soft body structure. The bistable hemispherical shell comprises a first stable state configuration and a second stable state configuration, and elastic potential energy is stored in the first stable state configuration; the steady-state configuration conversion direction of the hemispherical shell is perpendicular to the length direction of the capsule shell; when the hemispherical shell is in the first steady state configuration, the first magnetic garment is arranged on the top end side of the hemispherical shell, and the opening side of the hemispherical shell serves as a carrying cavity; the magnetization direction of the bistable hemispherical shell in the first steady state configuration is diverged towards the periphery with the center of the bottom of the opening side as the center, and the magnetization direction of the first magnetic clothes is the same as the protruding direction of the hemispherical shell. By means of the capsule robot, it is guaranteed that the medical function of the capsule robot is stably achieved in the complex gastrointestinal tract environment.
Owner:HUAZHONG UNIV OF SCI & TECH
Intelligent laboratory environment safety monitoring system and monitoring method
PendingCN119225245Aaccurately reflectHigh precisionProgramme controlComputer controlData recordingTime data
The invention provides an intelligent laboratory environment safety monitoring system, which comprises a region division unit, an environment monitoring point, a partition environment data management unit, a data recording alarm unit and a visual display background, and is characterized in that the region division unit firstly performs gridding processing on a laboratory space to form a plurality of laboratory partitions; the environment monitoring points are arranged in the laboratory subareas, monitoring layers are divided in each laboratory subarea, at least two sets of environment monitoring points are arranged in the corresponding monitoring layers in each laboratory subarea, environment data collected by the environment monitoring points are sent to the subarea environment data management unit, and the subarea environment data management unit summarizes the data in all the environment monitoring points and sends the summarized data to the environment monitoring points. And a time data relation curve is drawn according to the environment data of the corresponding monitoring layer in each laboratory partition, and the data recording and alarming unit records the time data relation curve and sets limiting intervals in different time periods.
Owner:HUITE SCI & TECH CO LTD
Satellite solar short wave radiation inversion method based on knowledge distillation
ActiveCN119623319Awide coverageincrease spaceEnsemble learningBiological modelsSatellite dataObservation data
The invention provides a satellite solar short-wave radiation inversion method based on knowledge distillation, which relates to the field of solar short-wave radiation inversion, and comprises the following steps: collecting polar orbit satellite data, stationary satellite data, geographic information data and ground observation data; preprocessing the data to obtain input features and labels for training the teacher model and the student model; sorting the importance of the input features by using a random forest model, selecting key features, and removing non-key features; constructing a deep learning model by using the key features, and generating a teacher model of solar short-wave radiation inversion; and taking an output result of the teacher model as a soft label, introducing ground observation data as a hard label, and carrying out knowledge distillation to obtain a student model of solar short-wave radiation inversion. According to the technical scheme of the invention, the problems of data scarcity and high data acquisition cost caused by the fact that a model is constructed only depending on ground observation data in the prior art are solved, and the problem that the inversion precision completely based on satellite data is limited is solved.
Owner:SANYA INST OF OCEANOGRAPHY OCEAN UNIV OF CHINA
Composite electrolyte, lithium metal battery and application of lithium metal battery
PendingCN119230938AImprove oxidation resistanceImprove compatibilityLi-accumulatorsAlkaneElectrolytic agent
The invention relates to the technical field of batteries, in particular to a composite electrolyte, a lithium metal battery and application of the lithium metal battery. The invention relates to a composite electrolyte which comprises a fluorinated cyclic ether solvent, an alkane solvent, LiPF6 and LiTFSI, the carbon atom number Ra of the fluorinated cyclic ether solvent skeleton is more than or equal to 3 and less than or equal to 6; the volume ratio A of the fluorinated cyclic ether solvent is greater than or equal to 50% and smaller than or equal to Alt; 100%; the volume ratio B of the alkane solvent meets 0 lt; b < = 50%; the structural tortuosity Rb of the hydrocarbon solvent satisfies 1.5 < Rb < = 3; the ratio of the molar concentration Rc of LiPF6 to the molar concentration Rd of LiTFSI is more than 0 and less than or equal to 1. The composite electrolyte provided by the invention has excellent comprehensive physical and chemical properties, especially low-temperature performance, and can improve the cycle performance and rate capability of the battery.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD
Method for monitoring and analyzing spatial orientation training eye movement data of flight personnel
ActiveCN119576140AImprove training effectincrease spaceInput/output for user-computer interactionGraph readingSpatial OrientationsSimulation
The invention discloses a flight personnel spatial orientation training eye movement data monitoring analysis method, and belongs to the technical field of eye movement data analysis, and the method comprises the following steps: S1, obtaining historical eye movement data of spatial orientation training, and constructing a data distribution model; s2, dividing a plurality of functional areas, and constructing a historical transition probability matrix; s3, acquiring current eye movement data, projecting the current eye movement data into the data distribution model, and constructing a current transition probability matrix; and S4, calculating a difference matrix of the current transition probability matrix and the historical transition probability matrix, and judging a functional area transition selection deviation degree. According to the method, the problem that the eye movement data cannot be subjected to targeted region division and analysis in the prior art is solved. By constructing a data distribution model, constructing a historical transition probability matrix and a current transition probability matrix, dividing functional areas and performing targeted analysis, a targeted optimization direction is provided for spatial orientation training of flight personnel, and the training effect and the spatial orientation capability are effectively improved.
Owner:AIR FORCE MEDICAL CENT PLA
Production plan and workshop scheduling integrated optimization method for hydraulic cylinder manufacturing enterprise
PendingCN119312970AImprove adaptabilityFast convergenceForecastingArtificial lifeHydraulic cylinderCompletion time
The invention discloses a production plan and workshop scheduling integrated optimization method of a hydraulic cylinder manufacturing enterprise. The method comprises the following steps of performing a series of assumptions on a production plan and workshop scheduling integrated model of the hydraulic cylinder manufacturing enterprise; establishing a multi-objective optimization function taking minimization of machining time as a main objective and minimization of machining cost as a secondary objective, and setting constraint conditions of the multi-objective optimization function; an improved particle swarm algorithm is adopted to solve the multi-objective optimization function, the improved particle swarm algorithm adopts double-layer coding to represent the positions of particles, the first layer of the double-layer coding is the machining sequence of each workpiece, and the second layer of the double-layer coding is machining equipment of each machining sequence; and the improved particle swarm optimization algorithm performs iterative optimization on the positions of the particles, and outputs a scheme which meets the completion time and has the minimum processing cost as an optimal production plan and workshop scheduling scheme.
Owner:ADVANCED RES INST OF WUHAN UNIV OF TECH SHANGYU DISTRICT SHAOXING CITY
Butt weld welding process for narrow and small space of compact fusion reactor
ActiveCN119609307Aincrease spaceReduce the difficulty of operationNuclear energy generationWelding accessoriesButt weldingButt joint
The invention discloses a butt weld welding process for a narrow space of a compact fusion reactor. The butt weld welding process comprises the following steps: (1) performing groove processing on a welding part of a workpiece and a rhombic compensation block; (2) the workpieces are relatively fixed, a rhombic compensation block is placed at the welding position, the welding seam gap between the rhombic compensation block and the adjacent workpiece is 0-4 mm, and the alignment tolerance of the two workpieces is 0-15 mm; (3) positioning and welding are carried out at the midpoints of the transverse welding seam and the longitudinal welding seam of the rhombic compensation block; (4) backing welding of transverse welding seams and longitudinal welding seams is conducted in an alternate stacking mode; (5) filling welding of transverse welding seams and longitudinal welding seams is conducted in an alternate stacking mode; the diamond compensation block is used for connecting the two workpieces in butt joint, the Y-shaped welding seam is formed through the machined groove, the compensation angle is achieved, the swing welding space and the welding view of manual welding in a narrow space are enlarged to a great extent, the operation difficulty and the labor intensity are reduced, and the welding seam quality is improved.
Owner:FUSION ENERGY (HEFEI) ENGINEERING DESIGN INSTITUTE CO LTD
ZIF-8-coated Cu-BTCMOF composite material as well as preparation method and application thereof
PendingCN119186524AImprove stabilityImprove adsorption capacityGas treatmentOther chemical processesMetal-organic frameworkCopper
The invention relates to the technical field of adsorbents, and discloses a ZIF-8-coated Cu-BTCMOF composite material as well as a preparation method and application thereof, and the structure of the ZIF-8-coated Cu-BTCMOF composite material is that a zinc-based metal organic framework is loaded on the surface of a copper-based metal organic framework. The composite material provided by the invention has better iodine adsorption capacity on the basis of better water stability.
Owner:NANJING UNIV OF SCI & TECH
Safety protection structure and battery
ActiveCN119315185Aavoid blockingincrease spaceVent arrangementsElectrical batteryStructural engineering
Owner:SVOLT ENERGY TECHNOLOGY CO LTD
Efficient phosphorus-free gray water scale inhibition dispersant and preparation method thereof
ActiveCN119613641Apromote degradationincrease spaceScale removal and water softeningPolymer sciencePolyethylene glycol
The invention relates to the technical field of gray water dispersing agents, and discloses an efficient phosphorus-free gray water scale inhibition dispersing agent and a preparation method thereof.The efficient phosphorus-free gray water scale inhibition dispersing agent is characterized in that a green amino acid monomer is adopted for conducting carboxyl end capping on a prepared polyether long-chain monomer containing carboxyl and sulfonic acid groups so as to improve the biodegradability of a macromolecular polyether monomer, and the efficient phosphorus-free gray water scale inhibition dispersing agent is obtained through copolymerization with an acrylic acid monomer; the steric hindrance and hydrophilicity of the dispersing agent are enhanced; carboxyl and sulfonic acid groups of the aspartic acid terminated polyether alkenyl monomer can chelate iron ions, hydrophilic groups such as amino groups and ether groups enable the chelate to be dissolved or suspended in a solution, and the dispersing performance is good; active carboxyl and sulfonic acid groups in a molecular chain are chelated with Ca < 2 + > and Ba < 2 + >, and a polyethylene glycol alkyl long chain enables zwitterions to have a certain mutual repulsive interaction; the scale inhibition dispersant integrates scale inhibition and dispersion functions, is free of phosphorus in a molecular structure, is easy to degrade after being discharged, and belongs to an environment-friendly multifunctional scale inhibition dispersant.
Owner:RENQIU ANGYU CHEMICAL CO LTD
Bionic muscle
InactiveCN119388409ASimple structurereduce volumeProgramme-controlled manipulatorArtificial legsMedicinePhysics
The Peltier effect is combined with the shape memory material and the thermal expansion and cold contraction phenomenon, the bionic muscle is provided, the bionic muscle can move according to the command of an electric signal, the length of the bionic muscle can be stretched and contracted under the control of the electric signal, so that thrust or tension is provided for a moving part, the size can be infinitely small, and the bionic muscle is suitable for being used in the field of medical instruments. Movement is free of noise, control is flexible, convenience is provided for miniaturization, intellectualization and sensitization of equipment, the robot can act more naturally and smoothly, expressions are richer and more colorful, infinite possibility is provided for the broken limb reconstruction technology, and the robot can serve as a power element and can be used for bionic manufacturing, mechanical manufacturing and the like. The method is applied to the fields of intelligent manufacturing, high-end equipment manufacturing, robot expression muscle manufacturing, broken limb reconstruction and the like.
Owner:郭岳潘
Three-dimensional lightning proximity prediction method and system
ActiveCN119444990AHigh precisionincrease spaceNeural learning methodsICT adaptationThree-dimensional spacePredictive methods
The invention discloses a three-dimensional lightning approach prediction method and system, and the method comprises the steps: constructing a three-dimensional grid covering a lightning activity space range of a target region, carrying out the data enhancement of historical three-dimensional lightning data for representing the impact of lightning on a peripheral region, and carrying out the three-dimensional lightning approach prediction through combining with an innovative deep learning model. Compared with a lightning prediction model which only considers a two-dimensional plane or a single height in the prior art, the method can capture the dynamic change of the lightning in a three-dimensional space, and significantly improves the prediction precision and the spatial analysis capability.
Owner:NANJING UNIV OF INFORMATION SCI & TECH
Electric vehicle charging demand prediction method and system and electronic equipment
PendingCN121998180AImprove effectivenessImprove reliabilityForecastingBiological modelsLearning machineSimulation
The invention provides an electric vehicle charging demand prediction method and system and electronic equipment, and relates to the technical field of deep learning prediction. Comprising the following steps: acquiring historical observation data and corresponding time characteristic data of an electric vehicle charging station; an MIFM prediction model is constructed, an initial input information coding module receives initial data and carries out parallel embedding processing, and unified input representation containing node specific adaptive embedding is constructed; the spatial-temporal information dynamic fusion module obtains the unified input representation, captures explicit geographic space dependence and implicit function correlation in parallel through a two-channel dynamic graph learning mechanism, dynamically integrates multi-layer spatial-temporal characteristics by using an adaptive Kalman filtering fusion strategy, and generates an enhanced fusion signal; and the space-time dependency modeling and prediction module learns the spatial relationship representation based on the enhanced fusion signal by using a stacked graph attention network, captures time dynamics through a time sequence decoding module, and generates a charging demand prediction result of a future time step.
Owner:CHINA THREE GORGES UNIV
Rotating disc type label pressing machine
The utility model relates to the technical field of label processing equipment, in particular to a rotating disc type label pressing machine which comprises a rack, a rotating disc is arranged on the rack, a hot-pressing device is arranged on the rack and located on the rear side of the rotating disc, the hot-pressing device comprises a stamping assembly and a transferring assembly, and the stamping assembly can conduct hot-pressing treatment on a part to be subjected to label pressing and a label located on a tool position under the stamping assembly. A feeding device is further arranged at the position, located on one side of the stamping assembly, of the rack and comprises a feeding groove used for stacking labels, the transferring assembly comprises a negative pressure suction cup arranged between the feeding device and the stamping assembly, and the negative pressure suction cup can transfer the labels on the top of the feeding groove to a part to be subjected to label pressing at a tool position under the hot-pressing punch one by one. The utility model is favorable for solving the problems that the hot-pressing station of the existing label pressing machine is in an open state and is close to an operator, so that the hands of the operator are easy to be clamped and scalded due to misoperation after long-time high-intensity operation, or defective products are caused due to the fact that the products are not put in place.
Owner:福建鸿岳科技有限公司
Building concrete quality detection device and method
InactiveCN119437908AUniform forceavoid deformationMaterial strength using tensile/compressive forcesHydraulic cylinderArchitectural engineering
The invention relates to the technical field of detection devices, and discloses a building concrete quality detection device and method.The building concrete quality detection device comprises a base, the top of the base is fixedly connected with a protective shell, the top of the protective shell is provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a pressure plate, and the top of the base is provided with a reinforcing mechanism; when a test piece is placed in the device, a pressure plate moves downwards to drive a clamping plate to move so as to elastically clamp the test piece, so that the test piece is prevented from deviating to influence a result during testing, uniform force distribution on the surface of concrete in a pressing process is ensured, the accuracy and the stability of testing are improved, and the test piece is clamped while the test piece is clamped. The first movable plate drives the pressing plate to move downwards to carry out downward pressing detection on the test piece, deformation caused by too large pressure during testing is prevented, the precision is improved, loss is reduced, the assembling efficiency is improved, and the operation safety is improved.
Owner:BAODING HANQU CONSTR ENG CO LTD
Safety accident intelligent early warning method and system based on risk assessment
PendingCN121952674ARealize accurate identificationReduce false alarm rateMining devicesData processing applicationsCritical indexAir volume
The invention relates to the technical field of industrial data processing, in particular to an intelligent safety accident early warning method and system based on risk assessment, and the method comprises the steps: obtaining a mining operation event, extracting response situations before and after the operation event, checking the response situations with a reference response template, and judging a disturbance response according to the deviation degree; a ventilation network model is constructed, and when it is detected that a monitoring point is abnormal, management traceability is carried out along a traversal upstream path in combination with an air volume distribution proportion; predicting the propagation trajectory of the abnormal gas along the wind flow path and the time of reaching a downstream node based on the ventilation network model, and obtaining spatial correlation analysis; analyzing the disturbance response and the spatial correlation, calculating a coupling risk increment, and outputting a comprehensive risk value; judging the critical degree grade of the comprehensive risk value time series data; and determining a scheduling level according to the combination of the comprehensive risk value level and the critical degree level, when the critical index indicates to evolve to a dangerous state, improving the scheduling level in advance, and generating a differentiated resource scheduling suggestion in combination with the propagation trajectory.
Owner:安徽恒源煤电股份有限公司
Graphene nano composite material and preparation method thereof
The invention belongs to the technical field of high polymer materials, and particularly relates to a graphene nano composite material and a preparation method thereof. The graphene nano composite material is prepared from the following components: graphite powder, APTES (Aminopropyltriethoxysilane), polyvinyl alcohol, nano TiO2, polyethylene glycol dihydric alcohol, trimethylolpropane and isocyanate. The specific preparation steps of the graphene nano composite material are as follows: S1: preparation of graphene oxide; s2, introducing an amino silane group into the graphene oxide; s3, grafting polyvinyl alcohol and nano titanium dioxide; s4, carrying out in-situ polymerization grafting on the modified graphene oxide and polyurethane polyol to obtain a graphene nano composite material; according to the preparation method, the dispersity of graphene in a polyurethane matrix is enhanced through APTES functionalization and PVA grafting, and agglomeration is prevented; the APTES and the polyurethane form a covalent bond, so that the interface bonding is enhanced; pVA increases steric hindrance and improves toughness; tiO2 nanoparticles are stably dispersed, so that the impact resistance and the tensile strength are improved.
Owner:ANHUI BONDRUI NEW MATERIAL TECHNOLOGY CO LTD
Dexterous manipulator integrated with body visual perception function
The invention provides a dexterous manipulator fused with an ontology visual perception function, and belongs to the technical field of electromechanical control. The depth camera is arranged in the palm, the size of the device is remarkably reduced, the size of the device is closer to the size of a human hand, and therefore flexibility and naturalness are improved, the depth camera and a control system are highly integrated, the structure is simplified, synchronism of visual data and hand actions is improved, operation precision is improved, the dexterous manipulator has 16 degrees of freedom, and the flexibility and the reliability of the device are improved. The system is completely driven by a steering engine, the operation flexibility and the fine action execution capability are greatly improved, the requirements of complex tasks are met, the production and maintenance cost is effectively reduced through optimization design and reduction of external accessories, multiple objects are positioned at the same time through a developed instance-level multi-target positioning method and by using a neural network, pre-training is not needed, and the operation efficiency is improved. The space perception capability of the dexterous hand is further improved, and the autonomous operation capability of the dexterous hand in a complex environment is enhanced.
Owner:HARBIN INST OF TECH
Class C expression-based rule formulation calculation method and system
PendingCN119597833Aimprove performanceincrease spaceDatabase updatingDatabase management systemsData connectionData synchronization
The invention relates to a rule formulation calculation method and system based on a class C expression. The method comprises the following steps that data connection is established between a data warehouse and each field of ERP, and required data are extracted from each field of ERP regularly by using data extraction, conversion and loading ETL tools and a data synchronization technology; performing association and aggregation operation on the integrated data based on business requirements and analysis dimensions according to ERP field data extracted by a data warehouse, and generating a data wide table; a grammar system suitable for business rule description is constructed on the basis of a class C expression, and a user freely combines grammar and variables according to business rule requirements through a graphical interface or a text editing mode to generate a job task; and when the generated task operation is executed, extracting corresponding data from the data wide table, mapping the data to a variable of the operation task, loading a formula corresponding to the grammar, and outputting a corresponding calculation result.
Owner:FUJIAN YANGTENG INNOVATION INFORMATION TECHNOLOGY CO LTD
3D-printed distractable interbody fusion cage
ActiveCN222341370USimple structureeasy to useAdditive manufacturing apparatusSpinal implantsHuman bodyIntervertebral spaces
The utility model belongs to the technical field of medical instruments, and particularly relates to a 3D printing expandable interbody fusion cage which comprises a fusion cage body, and the fusion cage body comprises a screw, a fixing pin, a transverse pin, a frame body, an upper base plate, a lower base plate and a supporting sliding block arranged between the upper base plate and the lower base plate. The distractable interbody fusion cage and intervertebral contact parts are manufactured by using a 3D printing technology, and three-dimensional porous structures similar to cancellous bone structures are designed on the surfaces of the upper base plate and the lower base plate, so that the fusion rate of the interbody fusion cage and the spine of a human body can be increased; meanwhile, the interbody fusion cage is simple in structure and convenient to operate, is implanted into the interbody space of the human body in a contracted state, is expanded in situ, can increase the contact area with an end plate and the bone chip filling space, can recover the forward convex curvature, has high biomechanical stability, is suitable for various lumbar degenerative diseases needing interbody fusion, and can be widely applied to the field of lumbar interbody fusion. The clinical treatment effect can be effectively improved.
Owner:BEIJING ZHONGNUO HENGKANG BIOTECH
Three-dimensional model generation method and device, equipment, medium and program product
PendingCN121837545AObvious thickness featuresincrease spaceGeometric CADImage enhancementSi modelAlgorithm
One or more embodiments of the invention provide a three-dimensional model generation method, apparatus and device, a medium and a program product. The method is applied to CAD software and comprises the following steps: acquiring a plane image and a model thickness of a modeling object; generating a plane grid for the modeling object according to the plane image; generating a front grid, a back grid and a side grid for the modeling object according to the plane grid and the model thickness; and combining the front grid, the back grid and the side grid into a three-dimensional grid, and mapping the texture of the plane image to the three-dimensional grid to obtain a three-dimensional model of the modeling object.
Owner:LINGDI (ZHEJIANG) TECHNOLOGY CO LTD