Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

193results about How to "Reduce uncertainty" patented technology

Method for optimizing micro-crack segmentation based on deep learning and super-resolution reconstruction

The invention discloses a method for optimizing micro-crack segmentation based on deep learning and super-resolution reconstruction, and the method comprises the steps: cutting an image in real time, obtaining an image block which takes a component as a target main body, and synchronously recording a homography matrix for geometric mapping; selecting an amplification strategy to improve the resolution, and recording a scale mapping relation; inputting the enhanced image block into a double-flow network; adaptive fusion and reconstruction are carried out on the two branch features, and a high-resolution texture image is output; generating a geometrically corrected ortho-image, fusing the geometrically corrected ortho-image with original illumination information, and outputting a corrected image with a known pixel size; identifying cracks, spalling and honeycomb diseases in parallel; generating a unified defect confidence map; calculating real geometric parameters of the BIM in a BIM global coordinate system through coordinate back projection; and generating quantitative defect reports and maintenance suggestions. The method has the advantage that seamless connection between the detection result and the BIM global coordinates is realized.
Owner:CHINA RAILWAY SHANGHAI DESIGN INST GRP CO LTD +1

Multi-reflection superposition enhanced microwave displacement measurement method and system

PendingCN121763247AAmplify modulation effectshigh sensitivityUsing optical meansRadio wave reradiation/reflectionMicrowave propagationPhase change
The invention provides a multi-reflection superposition enhanced microwave displacement measurement method and system, and the method comprises the steps: S1, constructing a microwave multi-reflection propagation path, enabling a microwave radar to transmit electromagnetic waves to the microwave multi-reflection propagation path as a transmission signal, and receiving a corresponding echo signal; s2, extracting length change information of a microwave multi-reflection propagation path according to the echo signal; s3, establishing a linear superposition relation model between the total length of the microwave propagation path and respective displacements of W reflection surfaces in the microwave multi-reflection propagation path; w2; and S4, based on the linear superposition relation model, displacement information of the corresponding reflection surface is obtained and output. According to the invention, a larger phase variation can be obtained under the condition of small displacement or weak vibration, so that the measurement sensitivity is improved and the signal-to-noise ratio is improved.
Owner:SHANGHAI JIAOTONG UNIV

Convolutional neural network-based feature analysis and prediction method for drawing of depression patient

The invention discloses a feature analysis and prediction method for drawing a depression patient based on a convolutional neural network, and belongs to the field of artificial intelligence and mental health. The method comprises the following steps: acquiring drawing image data of a depression patient and a healthy control group, and constructing a standardized data set; preprocessing such as denoising, size normalization and edge enhancement is carried out on the image; constructing a convolutional neural network model comprising four convolutional layers, two pooling layers and a feature fusion layer, and automatically extracting key features such as line definition, spatial layout and detail richness by adopting a variable receptive field mechanism and an attention module; correlation analysis is carried out in combination with scores of a clinical evaluation scale, and the model is optimized through transfer learning and a focus loss function; and generating a risk assessment report. According to the method, objectivity and accuracy of depression screening are remarkably improved, subjective evaluation deviation is reduced, visual decision support is provided for clinicians, and early recognition and intervention of depression are achieved.
Owner:WENSHAN VOCATIONAL & TECHNICAL COLLEGE

Method and system for filtering false positives of cross-version source code warnings based on large language models

The application provides a large language model-based cross-version source code warning false alarm filtering method and system, relating to the field of software engineering, which comprises: on the basis of static analysis of multiple different version source codes of the same target project to obtain source code warnings, cross-version matching of the source code warnings generated in different versions is performed, the life cycle information of the source code warnings in multiple versions is constructed, and the life cycle information, warning attribute information and source code context information corresponding to the warnings are uniformly organized as structured input and submitted to a large language model for comprehensive analysis and judgment, and the false alarm filtering result and the corresponding confidence score are output, and a risk disposal decision result of the source code warning is further generated, so that stable and reproducible judgment of source code warning false alarm filtering is realized in the cross-version range.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

An apparatus for spawning and hatching blue crabs

ActiveCN224611595Uevenly distributedMonitor and adjust key environmental parameters in real time
This utility model discloses a mud crab spawning and hatching device, including a cement pool, which comprises a pool body with a permeable stone slab at the bottom. A hole is opened at the bottom right side of the pool body, and a drain pipe is installed inside the hole. A water supply component includes a water quality sensor located on the left side of the pool body. An air supply component includes a dissolved oxygen sensor located at the front of the pool body. A heating component includes a temperature sensor located at the front of the pool body. A movable component is installed at the top of the pool body, with a polycarbonate panel fixedly connected to its inner side. This utility model, through the structural design of water quality, dissolved oxygen, and temperature sensors, combined with water supply, air supply, and heating systems, can monitor and adjust key environmental parameters in the hatching pool in real time. The water quality sensor, linked to a solenoid valve, intelligently changes water to prevent water quality deterioration. Microporous aeration heads uniformly increase oxygen, ensuring balanced dissolved oxygen distribution. Heating pipes, in conjunction with the temperature sensor, maintain a stable water temperature.
Owner:NINGBO FENGHUA DISTRICT STOOGES AQUACULTURE FARM (GENERAL PARTNERSHIP)

An individual motion behavior analysis system based on dynamic modal configuration and rule guidance fusion

This invention discloses an individual motion behavior analysis system based on dynamic modal configuration and rule-guided fusion, belonging to the fields of intelligent perception, sports science, and human-computer interaction. It includes a data input module, a dynamic modal organization and configuration module, a multimodal feature modeling and fusion module, an indicator-level evaluation and behavior state prediction module, a statistical rule-guided analysis and result correction module, and a structured result generation and output module. These modules work together to form a complete closed loop for motion behavior analysis technology. This invention aims to address the problems in existing motion behavior analysis technologies, such as limited dimensionality of single-modal information, rigid multimodal fusion methods, insufficient stability and interpretability of analysis results, and strong dependence on large-scale manually labeled data.
Owner:ANHUI NORMAL UNIV

PE gas pipe correction clamp

ActiveCN224644254Uavoid offsetPrevent new bends from occurring
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

Temperature characteristic testing device and testing method for surface mount filter

The invention provides a surface mount filter temperature characteristic testing device, which belongs to the technical field of electronic component testing and comprises an in-box testing unit and a main control and data acquisition system. The in-box test unit comprises a multi-station test fixture system, a high and low temperature control system and an automatic switch switching system; the multi-station test fixture system comprises a PCB circular plate; the automatic switch switching system comprises a signal input interface, a signal output interface, an upper layer radio frequency switch and a lower layer radio frequency switch. And the master control and data acquisition system is in communication connection with the high and low temperature control system. According to the integrated PCB test module, the multiple radio frequency switches and the transmission lines with the same length, the uncertainty and loss of radio frequency paths are reduced to the maximum extent, and the consistency and accuracy of test data are ensured. The invention further discloses a testing method of the surface mount filter temperature characteristic testing device.
Owner:WUHAN HI TRUSTRY ELECTRONICS CO LTD

Multi-intention interactive game decision method and system for automatic driving path planning

ActiveCN122186218Bavoid couplingavoid dependencySimulationPrediction probability
The application provides a multi-intention interactive game decision method and system for automatic driving path planning, which fuses current environment information and current state information by acquiring the current state information and the current environment information, extracts state features and intention features of a moving target from current scene features, fuses the intention features of the state features of the moving target, constructs a game relationship graph, calculates attention weights between an automatic driving vehicle and the moving target, weights and aggregates a value vector by a prediction probability and the attention weights of different preset intention features executed by the automatic driving vehicle, performs feature splicing, nonlinear conversion and decoding on the aggregated features, evaluates each game candidate trajectory, and selects a game candidate trajectory with the maximum game value score as the automatic driving path; the application reduces uncertainty in the interactive process, avoids the risk of sudden braking or collision caused by misjudgment, and has stronger environmental adaptability and generalization ability.
Owner:HONEYCOMB (WUHAN) MICROSYSTEM TECH CO LTD

Three-dimensional geological modeling method and system based on COMSOL and MATLAB

The application relates to a COMSOL and MATLAB-based three-dimensional geological modeling control method and system. The method realizes full-process automatic scheduling through a main program module, and the module is embedded with process control logic independent of the original function of the software. The method comprises the following steps: cleaning and standardizing multi-source data according to geological logic; establishing a two-way real-time channel through a joint interface, taking MATLAB as a main control end, constructing a three-dimensional geological surface by using an interpolation algorithm optimized through automatic cross verification, and injecting a parameterized random fracture network generated based on statistical simulation into an implicit framework of COMSOL in real time; comparing measured data through a closed-loop control system, and automatically iteratively correcting model parameters until the accuracy reaches the standard; and the application realizes accurate characterization of complex geological structures, the accuracy is improved by one order of magnitude compared with traditional methods, the efficiency is improved by more than 5 times, and the application can be widely applied to the fields of resource estimation and disaster prediction.
Owner:ANHUI UNIV OF SCI & TECH

A design method for rigid pile composite foundation structure in a region with deep melting interlayer

PendingCN122113209Aunderstanding physicsUnderstand mechanicsGeometric CADDesign optimisation/simulationFreeze thawingGround temperature
The application discloses a kind of deep melting interlayer development area rigid pile composite foundation structure design method, it is related to rigid pile composite foundation field, including the following steps: step one, in the existing rigid pile bearing capacity calculation process, front-end increase subgrade-ground temperature field analysis;Step two, increase groundwater analysis;Step three, determine the compression modulus of the soil layer of seasonal freeze-thaw layer, (water-rich) melting interlayer, permafrost layer, bearing capacity characteristic value, check the single pile bearing capacity characteristic value of different positions in the cross section of roadbed using different pile length, pile diameter, pile body stiffness material;Step four, carry out zoned unequal design, adjust pile length, pile diameter, pile body stiffness, so that the range of all pile single pile bearing capacity characteristic values in cross section is lower than design allowable value.The application effectively optimizes pile foundation design, reduces material waste, reduces engineering cost, while ensuring the safety and stability of structure.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Model training method and device based on reinforcement learning

The embodiment of the invention provides a model training method and device based on reinforcement learning. The method comprises the steps that a user instruction and an equipment state are obtained, the user instruction is used for indicating equipment to execute a target task, the target task comprises a plurality of operation steps, and the equipment state is the current working state of the equipment; the user instruction and the equipment state are input into a strategy model, a plurality of output results are generated through the strategy model, and each output result comprises a prediction action instruction used for executing the same operation step; determining a group success rate based on the plurality of output results, the group success rate being used for representing a ratio of the output results for correctly executing the operation step among the plurality of output results; calculating a reward signal corresponding to the output result based on the group success rate; and updating parameters of the strategy model through a reinforcement learning algorithm based on the reward signal corresponding to each output result.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Precipitation nowcasting method and system based on space-time attention diffusion model

The invention provides a rainfall nowcasting method and a rainfall nowcasting system based on a space-time attention diffusion model, which are used for simulating the space-time evolution process of rainfall so as to realize accurate rainfall nowcasting. The method comprises the following steps: decoupling historical rainfall data into a motion field feature and an intensity residual feature; based on an STA UNet architecture, extrapolating future evolution features through a noise iteration removal process by taking motion field features and intensity residual features as conditions; and reconstructing the future evolution characteristics into future rainfall prediction by utilizing Warp operation guided by a motion field and intensity residual fusion. According to the method, the uncertainty of the rainfall evolution process is considered, the modeling capability of the space and time dependency relationship in the rainfall process is enhanced, and an accurate and stable short-term rainfall nowcasting result is generated.
Owner:CHINA METEOROLOGICAL ADMINISTRATION WUHAN RAINSTORM RES INST +2

A system and method for mutual checking and verification of multi-source settlement monitoring data of a face rockfill dam during construction period

The application discloses a kind of face panel rock-fill dam construction period multi-source settlement monitoring data mutual checking and verifying system and method, including multi-source data acquisition module, space-time reference uniform module, construction event marking module, multi-level mutual checking and verifying module, credibility evaluation module and abnormal data processing module;Multi-source data acquisition module acquires water pipe type settlement gauge, electromagnetic type settlement tube, array displacement meter, distributed optical fiber, surface deformation monitoring and construction process data;Space-time reference uniform module establishes space and time index;Construction event marking module is marked to filling, stop filling and filling, heavy rainfall, parameter change and construction disturbance;Multi-level mutual checking and verifying module carries out homologous continuity, spatial coordination, heterogenous consistency and construction response rationality checking;Credibility evaluation module determines comprehensive credibility grade;Abnormal data processing module carries out abnormal data classification processing;The application will scattered heterogeneous construction period settlement monitoring data be converted into comparable, credible, traceable data results.
Owner:CHINA GEZHOUBA GROUP CO LTD

Precise temperature control method for components on circuit board

ActiveCN122002689AOvercoming physical conduction delaysImprove dynamic response speedPrinted circuit detailsCooling/ventilation/heating modificationsJunction temperaturePhysics
The invention relates to the technical field of thermal management of electronic equipment, and discloses a precise temperature control method for components on a circuit board, and the method comprises the steps: executing multi-dimensional state synchronous sampling through a vertical conduction structure of a heat conduction through hole and a shielding shell, and obtaining the shell temperature, the environment temperature and the load current; processing current data by using amplitude domain judgment filtering and calculating instantaneous thermal power, substituting the instantaneous thermal power into a discretized thermal resistance-thermal capacity observer model to calculate the virtual junction temperature of a component to be subjected to temperature control in real time, and calculating the total thermal regulation power by adopting a strategy of combining virtual junction temperature feedback and power feedforward for control logic; and a target driving current is directly solved based on a thermodynamic reverse physical model, and a semiconductor chilling plate or a heating film is driven to work. According to the method, physical conduction lag is compensated through estimation of the observer, and the dynamic response speed and the steady-state control precision aiming at the load step are remarkably improved in cooperation with thermal resistance parameter self-adaptive calibration.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI

Intelligent concrete vibrating equipment with multi-source sensing and adaptive feedback capabilities

This invention relates to an intelligent concrete vibratory compaction device with multi-source sensing and adaptive feedback capabilities. It includes a compaction execution module, an intelligent decision-making and control module, a multi-source sensing module, an intelligent reminder and early warning module, an energy and power management module, and a data storage and communication module. The multi-source sensing module is integrated into key parts of the vibratory compactor to collect multi-source physical signals in real time. The intelligent decision-making and control module has a built-in signal fusion processing algorithm and equipment status recognition model, which performs real-time fusion analysis on the collected signals and identifies the working status, generating adaptive control commands based on the recognition results. The energy and power management module dynamically adjusts the output power according to the commands. The data storage and communication module encrypts and stores operation data and supports exchange with a remote management platform. This invention, through multi-source sensing and intelligent decision-making, achieves real-time monitoring, status judgment, automatic prompts, and data recording of compaction operations, improving the reliability, traceability, and management efficiency of construction quality.
Owner:CSCEC CITY CONSTR DEV +2

A method for receiving multi-channel phase fast calibration compensation

The application relates to the technical field of data processing, and discloses a receiving multi-channel phase fast calibration compensation method, which comprises the following steps: sending original sampled data into a digital down-conversion module, sending filtered data into a peak value searching module, calculating a signal phase, calculating corresponding sine and cosine values, and outputting calibrated data after the down-converted data are multiplied with the sine and cosine values calculated in step S4 through a phase compensation module; the receiving multi-channel phase fast calibration compensation method can perform real-time phase calibration compensation, can perform phase calibration compensation on multiple different frequency points respectively, and greatly improves the calibration precision and the calibrated performance; the method can enable a large phased array system to be quickly deployed, greatly saves the time spent in calibrating the phase, can also reduce the uncertainty caused by human measurement errors, and greatly improves the stability of the system.
Owner:XIAN QIANJING DEFENSE TECH CO LTD

Virtual power plant scheduling method and system based on regional power utilization activity prediction

The invention relates to the technical field of power system management, in particular to a virtual power plant scheduling method and system based on regional power utilization activity prediction. The method comprises the following steps: collecting user load data and geographic information data of a target area; dividing users into different power utilization activity types based on the geographic information data and the user load data; for each power utilization activity type, utilizing a preset machine learning sub-model to predict a power change curve of the power utilization activity of the type in a future time period; and solving an optimal control sequence of a future time period based on a preset optimization target by using the power utilization activity prediction result, and generating a scheduling instruction for distributed energy, an energy storage system or a controllable load in the virtual power plant. According to the method, load prediction is converted into activity prediction, so that the scheduling decision of the virtual power plant is not based on a fuzzy aggregation value any more, but based on a clear portrait of a future power consumption behavior, and the scheduling precision and stability of the virtual power plant are improved.
Owner:NANJING TIANSU AUTOMATION CONTROL SYST CO LTD

Metro traction substation regenerative power feedback device cooperative control method

PendingCN122600264AReduce the risk of upliftorderly transfer
This invention discloses a collaborative control method for regenerative energy feedback devices in metro traction substations, relating to the field of metro traction power supply process control technology. It acquires the DC traction network voltage, 35kV bus voltage, 35kV incoming line voltage, energy feedback power, and energy feedback device operating status of each traction substation within the collaborative section, generating station records. It generates feedback demand records based on changes in DC traction network voltage, energy feedback power, and operating status. It generates load records based on bus voltage margin, incoming line voltage increase, and feedback rise. It matches feedback demands with load status, determines feedback stations, limited-feed stations, and exit stations, and issues corresponding instructions. It corrects the station role for the next control cycle based on voltage changes after instruction execution. This ensures that multi-station feedback control matches the 35kV bus load status, reducing collaborative interference caused by independent feedback from a single station.
Owner:CCCC MECHANICAL & ELECTRICAL ENG

A gas turbine combustor gas-liquid dual fuel mixed combustion test system and a working method thereof

The present application relates to the field of gas turbine, in particular to a gas turbine combustion chamber gas-liquid dual fuel mixed combustion test system and working method thereof, comprising: a combustion cavity unit, a combustion state monitoring unit, a liquid fuel supply unit, a gas fuel supply unit, a main air supply unit and a central control unit; the combustion cavity unit comprises a test shell, a flame tube, a dual fuel nozzle and an igniter, the flame tube is installed in the inner cavity of the test shell and is fixed by the head and tail support. The present application sets up a test system by setting a dual fuel nozzle and a flame tube in a unique test shell, and configuring an igniter, a pressure pulsation sensor and other structures, combined with a central control computer to ensure that the combustion chamber outlet temperature remains unchanged, through precise control of the gas fuel and liquid fuel flow, the dual fuel mixed combustion characteristic curve under each working condition is automatically obtained.
Owner:NO 703 RES INST OF CHINA SHIPBUILDING IND CORP

Photovoltaic front panel production process

PendingCN121793488AMake sure the baseline is stableImprove alignment accuracyPhotovoltaic energy generation
The invention discloses a photovoltaic front panel production process, and relates to the technical field of photovoltaic module production, and the photovoltaic front panel production process comprises the following steps: S1, unwinding; s2, scattering powder; s3, dipping is carried out; s4, cooling and demolding; s5, film covering; s6, traction and edge cutting; s7, carrying out an automatic material stacking process; s8, feeding is carried out; s9, curing and embossing are carried out; s10, discharging is carried out; s11, measuring the thickness; s12, flaw inspection is carried out; and S13, edge cutting and packaging are conducted. The method has the advantages that the lamination alignment precision and repeatability are remarkably improved, and interlayer defects caused by position deviation are avoided.
Owner:NEWMAT (BEIJING) ENVIRONMENTAL MATERIALS TECH CO LTD +1

Modular external elevator shaft

The utility model discloses a kind of assembled external elevator shaft;Including elevator shaft pedestal, several layer unit structures and several corridor components;Elevator shaft pedestal is arranged on the ground outside building, several layer unit structures are vertically arranged in turn, the layer unit structure in the lowermost layer is fixed with elevator shaft pedestal, and the cavity for reciprocating of elevator is formed in several layer unit structures inside;Corridor component is equipped between adjacent upper and lower group layer unit structures, and the corridor component at least includes two corridor support beams, one end of corridor support beam is detachably connected with corresponding layer unit structure, and the other end of corridor support beam is fixedly connected with building side wall.This assembled external elevator shaft uses assembled structure, and each component is installed on site, which greatly shortens construction period.Prefabricated bolt and detachable connection mode make installation process more convenient, reduce on-site construction time and labor force.It has little influence on building main body, and external elevator shaft does not occupy building internal space, which reduces the modification of building main structure.
Owner:ANHUI POLEMON RESIDENTIAL INDZATION TECH CO LTD

Double-loop hydrochemistry multi-parameter cooperative regulation and control test device for nuclear power material corrosion simulation

The invention discloses a double-loop water chemical multi-parameter coordinated regulation and control test device for nuclear power material corrosion simulation. The double-loop water chemical multi-parameter coordinated regulation and control test device comprises a low-pressure water chemical pretreatment loop, a high-temperature and high-pressure corrosion simulation loop and a control module, the low-pressure water chemical pretreatment loop is connected with the high-temperature and high-pressure corrosion simulation loop through a pipeline and a valve, so that the test medium regulated and controlled by the low-pressure water chemical pretreatment loop is conveyed to the high-temperature and high-pressure corrosion simulation loop and flows back to the low-pressure water chemical pretreatment loop; the control module is electrically connected with the first monitoring component, the second monitoring component, the dissolved hydrogen / oxygen control unit, the dosing unit and the autoclave heating unit, receives and analyzes the hydrochemical parameter deviation of the low-pressure hydrochemical pretreatment loop and the high-temperature and high-pressure corrosion simulation loop by adopting a PID (Proportion Integration Differentiation) regulation algorithm, and dynamically regulates the working state of the execution unit; therefore, multi-parameter coordinated regulation and control are realized.
Owner:CHINA INST FOR RADIATION PROTECTION

Genome stacks, genome architecture, genome sequence assembly methods and systems

ActiveCN115440302Beliminate distractionsimprove accuracyProteomicsGenomicsGenome sequence assemblyGenome architecture
This invention provides a method and system for assembling a genome stack, a method and system for assembling a genome architecture, and a method and system for assembling a genome sequence, belonging to the field of bioinformatics. This invention optimizes a global loss function using robust regression techniques to determine the stacking relationships between sequencing sequences, eliminating interference from false positive alignments, thereby obtaining a more accurate assembled stack set and avoiding copy number loss or misassembly in the assembled genome. The estimation of stack arrangement based on regression matrix calculations has a higher tolerance for outliers; unless the number of ambiguous sample information exceeds the number of true samples, a "collapse" will not occur. By using resampling techniques to independently sample, assemble, improve, and evaluate sequencing data multiple times, and then integrating them into the final assembled genome, the uncertainty of the assembly results caused by noise in the sequencing data can be reduced, and the sensitivity of the assembly results to the selection of assembly parameters can be decreased.
Owner:ACAD OF MATHEMATICS & SYSTEMS SCIENCE - CHINESE ACAD OF SCI

Multifunctional small sewage monitoring holder

The utility model relates to the technical field of sewage monitoring, in particular to a multifunctional small-sized sewage monitoring cradle head, which comprises a cradle head sealing cover, a cradle head base, a camera shooting mechanism and an air pump system mechanism, the cradle head sealing cover is fixedly arranged on the cradle head base through a pressing ring and a screw, and a cradle head sealing gasket is arranged between the cradle head sealing cover and the cradle head base; the holder sealing cover is arranged to ensure the sealing and the IP68 protection grade of the whole holder, the transmission motor realizes the functions of 180-degree pitching shooting and 360-degree rotating shooting of the holder camera, so that the real-time monitoring of water quality environments such as no water, half water, full water and clear water in the sewage pipeline is realized, and the uncertainty caused by manpower is reduced; meanwhile, the built-in drying agent ensures that the interior is not moist, and the influence on the work of the whole electrical element and mechanism is avoided; according to working requirements, the air pump system inflates and deflates the transparent air bag of the holder, and the transparent air bag wraps the holder to achieve anti-collision protection of the holder.
Owner:JIANGSU DIGITAL INTELLIGENCE TECHNOLOGY CO LTD

A method for quantifying the contribution of pan precursors based on real atmospheric observation constraints

PendingCN122591882Areduce uncertaintyAccurately quantify actual contributions
The application provides a PAN precursor contribution quantification method based on real atmospheric observation constraints, relates to the technical field of atmospheric pollution tracing, and comprises the following steps: obtaining real atmospheric observation data of a target region, including PAN, nitrogen oxides, ozone, volatile organic compounds, carbonyl compounds, photolysis frequency and meteorological parameters; constructing an observation constraint vector, establishing an observation constraint box model containing PAN conversion, VOCs oxidation, free radical circulation mechanism and the like and driving operation, recording the relationship between reaction flux and species to form a dynamic reaction network; determining a generation flux based on PAN mass conservation, reversely tracing peroxyacetyl radicals, intermediate products to observation precursors from the PAN generation reaction, and distributing the contribution according to the flux proportion; merging the contribution of the same precursor and its oxidation products, and quantifying the contribution amount and contribution rate of each precursor to PAN generation. The application overcomes the defects of high uncertainty and artificial assumption, and accurately quantifies the actual contribution of real atmospheric PAN precursors.
Owner:XINJIANG UNIVERSITY

A smart control device for filling in mines

ActiveCN224279046Uwell mixedGuarantee basic qualityRotary stirring mixersMixer accessoriesSlurryPipe
This utility model relates to the field of mining engineering equipment technology, and in particular to an intelligent control device for mine filling. It includes a base, a main control box fixedly connected to the top of the base, and two conveying barrels mirror-distributed around the main control box. Flange pipes communicating with the inner walls of the two conveying barrels are fixedly connected to the tops of the two conveying barrels. Flow meters are fixedly connected to the inner walls of the flange pipes. A mixing tank is installed on the outer wall of the base, and a stirring rod is rotatably connected to the inner wall of the mixing tank. A liquid level sensor is fixedly connected to the inner wall of the mixing tank. The flow meter collects the material conveying volume of the main material bin and the auxiliary material bin in real time. The controller automatically compares the actual conveying ratio with the set value, avoiding the mixing ratio error caused by manual observation of material level and manual speed adjustment, ensuring that the ratio of main material to auxiliary material remains stable within a reasonable range. A concentration sensor monitors the mixing state of the filling slurry in the mixing tank, ensuring the basic quality of the filling slurry and improving the strength stability of the filling material.
Owner:FUJIAN ZHONGZI YUTAI INTELLIGENT EQUIPMENT CO LTD

A reservoir intelligent inversion method and related apparatus

The application discloses a reservoir intelligent inversion method and related device, relates to the technical field of reservoir intelligent inversion, and comprises the following steps: obtaining multi-source heterogeneous data of a target area and preprocessing; constructing an initial geological model generator based on a conditional diffusion model, and optimizing hidden space parameters in a manner of seismic wave forward simulation; constructing a reservoir knowledge graph and adaptively pretraining and migrating the model online; performing task demand analysis, task decomposition and dynamic collaborative execution on a reservoir modeling task based on a thinking chain technology and a language large model technology, and obtaining iteratively optimized hidden space parameters; inputting the iteratively optimized hidden space parameters into the optimized geological model generator, outputting a three-dimensional distribution model, and extracting a confidence interval feature; incrementally updating the reservoir knowledge graph, determining a reservoir model conforming to a geological mode feature and matching a seismic waveform, and realizing reservoir intelligent inversion. The application can improve the accuracy and efficiency of reservoir inversion.
Owner:INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES