30results about How to "Overcome deficiencies" patented technology

The invention discloses a honeycomb sandwich structure infrared image defect detection method and system based on improved YOLOv5. The method comprises the following steps: collecting defect images of a honeycomb sandwich structure to form a sample data set; training defect images in the data set based on an improved YOLOv5 model, predicting positions and categories of honeycomb sandwich structure defects, training an optimization model by using a loss function until convergence, and obtaining and storing optimal model weight data; the improved YOLOv5 model is based on a YOLOv5 architecture, a Swin Transform module is embedded in a backbone network, and the detection performance of the model on honeycomb sandwich structure defects is improved in combination with a C3 convolutional layer, a CBS module and an SPPF module; and acquiring a defect image of the honeycomb sandwich structure to be detected, detecting and identifying the defect image by using the improved YOLOv5 model based on the optimal model weight data, and generating and outputting a detection result. According to the method, small-size defect identification in multi-scale defect identification can be effectively realized, and the defects of a traditional convolutional neural network in processing complex backgrounds and small target detection are overcome.

This invention discloses a multi-vehicle cooperative control method, system, medium, and program product. The method includes constructing a lateral and longitudinal coupled dynamic model for the multi-vehicle cooperative transportation system and extracting the model matrix of the lateral and longitudinal coupled dynamic model; constructing system constraint equations for the multi-vehicle cooperative transportation system with the cargo as the leader, including motion constraints and articulation constraints, and extracting the constraint matrix of the system constraint equations; obtaining the real-time state of the multi-vehicle cooperative transportation system; calculating the constraint forces of the multi-vehicle cooperative transportation system based on the model matrix of the lateral and longitudinal coupled dynamic model, the constraint matrix of the system constraint equations, and the real-time state; and calculating the actual control quantities of each vehicle based on the constraint forces of the multi-vehicle cooperative transportation system. This invention aims to solve the challenges of strong coupling, nonlinearity, and underactuation in existing multi-vehicle cooperative transportation systems, and improve the tracking performance of multi-vehicle cooperative transportation systems under topologically stable configurations.

The utility model discloses an anode current collecting disc of a cylindrical nickel-zinc battery, and particularly relates to the technical field of anode current collecting discs, the anode current collecting disc comprises a top plate, a current collecting disc main body and a tab, a partition table is fixed at the bottom end of the top plate, the current collecting disc main body is fixed at the bottom end of the partition table, and the tab is fixed at the bottom end of the current collecting disc main body. And a flow guide assembly is arranged at the central position of the bottom end of the tab. Through the arrangement of the bottom tube and the baffle plate, electrolyte can flow into the battery along the liquid discharge holes symmetrically distributed on the outer side wall of the bottom tube when being injected along the liquid injection hole in the pole, and the baffle plate positioned at the bottom can assist the electrolyte to be dispersed all around, so that the time that the alkaline electrolyte is absorbed by a battery cell can be prolonged, and meanwhile, the service life of the battery cell is prolonged. The baffle plate can prevent the alkaline electrolyte from directly reaching the bottom of the battery through the cavity in the middle of the roll core, so that the electrolyte is prevented from being wasted, the liquid absorption amount of the battery core is not enough, and the auxiliary dispersion function of the positive collector plate on the electrolyte is realized.

The present invention relates to the field of magnetic assemblies and processes for producing optical effect coatings (OECs) comprising magnetic or magnetizable non-spherical pigment particles magnetically oriented on a substrate. The present invention relates in particular to magnetic assemblies and processes for producing said OECs as an anti-counterfeiting measure on security documents or security articles, or for decorative purposes.

The application belongs to the technical field of agricultural planting, and particularly relates to an ecological three-dimensional water planting device. The device comprises a support, the support comprises a base, a vertical rod is welded on the base, a plurality of cross braces are sleeved on the vertical rod, pipe braces are bolted on the cross braces, water planting mechanisms are placed on the pipe braces, the water planting mechanism comprises a water planting tank, a pipe holder is installed on the inner wall of one side of the water planting tank, a drip irrigation pipe is clamped on the pipe holder, a planting plate is covered on the top of the water planting tank, a plurality of planting holes are arranged on the planting plate, water planting cups are placed in the planting holes, an inlet pipe is connected to one end of the water planting tank through the drip irrigation pipe, a liquid outlet is arranged on one end of the water planting tank, and a return pipe is connected to the liquid outlet. The device directly sprays nutrient solution to the roots of plants by using the drip irrigation pipe, has simple structure, low cost and strong applicability.

The application relates to a life evaluation model establishment method and device, equipment and a storage medium, which are applied in the field of integrated circuits, comprising determining an electrical stress condition of the power device, measuring a failure time of the power device under the electrical stress condition, calculating a Weibull cumulative distribution function of the power device under the failure time, fitting and calculating a characteristic life value of the power device under the electrical stress condition according to the Weibull cumulative distribution function and a preset global shape factor, constructing a deep neural network model, training the deep neural network model by using the characteristic life value obtained by fitting and calculation, and generating an accelerated life evaluation model. The application has the technical effect of performing failure analysis and life evaluation on a device with complex process and structure, and improving the evaluation accuracy.

The utility model discloses a mine drainage pipeline carbon monoxide concentration detection sensor which comprises an outer shell of a carbon monoxide concentration detection device, and the input end of the outer shell is connected with a drainage pipeline through an air inlet pipe; a detection gas chamber is arranged between the input end of the outer shell and the gas inlet pipe, and a gas-water separation assembly is arranged in the gas inlet pipe and located below the detection gas chamber, so that the outer shell conducts gas-water separation treatment on gas sampled from the drainage pipeline through the gas-water separation assembly and guides the gas to the detection gas chamber. According to the utility model, the gas-water separation component is arranged in the gas inlet pipe, so that water vapor in a drainage pipeline is effectively separated, gas entering the detection gas chamber is ensured to be clean and dry, the defects of a traditional diffusion gas chamber sampling mode in a humid environment are overcome, and the stability and the reliability of gas sampling are improved.

The invention relates to the technical field of food, and provides a ground beetle preserved egg and a preparation method thereof.The preparation method comprises the steps of fresh egg selection, material puree preparation, egg wrapping with puree and salting, egg white gel of the obtained ground beetle preserved egg shows an attractive semitransparent golden yellow color, the yolk shows soft faint yellow to golden yellow, and the taste is good. On the basis of reserving the nutritional ingredients of the ground beetle eggs, the ground beetle eggs have soft and fine taste and light and easy texture, better-quality, healthy and delicious preserved egg products are brought to the market, and pursuit and expectation of vast consumers for high-quality food are met.

This application relates to the field of robot control, and in particular to an adaptive control method and system for an intelligent inspection robot. The method includes real-time acquisition of inspection environment data through a sensor fusion structure comprising a lidar, infrared thermal imager, vibration sensor, and voiceprint recognition module; fusion processing of sensor data using an improved Kalman filter algorithm integrated with a deviation repair model algorithm to generate a dynamic 3D environment map and detect abnormal equipment sounds; adjustment of the robot's wheeled compound drive torque distribution by constructing a variable parameter control model suitable for slope scenarios based on an inertial displacement compensation algorithm and a dynamic friction coefficient estimator; and execution of local real-time obstacle avoidance and cloud-based equipment health prediction through an edge-cloud collaborative decision-making system, and dynamic optimization of the inspection path based on a digital twin model. The control system includes a sensor fusion module, a data fusion and localization module, a motion control module, an edge-cloud collaborative decision-making module, and an intelligent path planning engine. This application achieves the effects of more accurate data acquisition, better robot adaptation to complex environments, and improved decision-making and path planning capabilities.

The invention belongs to the technical field of macromolecules, and particularly relates to a polyester film for a transparent back plate and a preparation method thereof. The polyester film comprises a base film and a coating attached to the outer surface of the base film. The base film comprises the following raw materials in parts by weight: 100 parts of PET slices and 12-15 parts of polyester copolymerized master batch; in parts by weight, the coating is obtained by coating and curing paint; the coating is prepared from the following raw materials in parts by weight: 8 to 15 parts of epoxidized hydroxyl-terminated liquid polybutadiene, 25 to 32 parts of glycidyl methacrylate, 10 to 15 parts of coupling agent modified hydroxyl aluminum oxide, 10 to 20 parts of water, 4 to 5 parts of hexamethylene diisocyanate tripolymer, 0.2 to 0.3 part of catalyst, 20 to 30 parts of urethane acrylate, 8 to 15 parts of styrene-acrylic emulsion, 1.5 to 2.5 parts of photoinitiator and 2.5 to 3.5 parts of polydimethylsiloxane. The polyester film for the transparent back plate is good in transparency and excellent in high-temperature and high-humidity resistance.

A child hospital BIM parameter optimization method based on multi-target GAN and LLM updating comprises the following steps: step 1, extracting a newest standard from an authoritative data source by adopting LLM in combination with a GraphRAG technology, and generating a structured data set containing component parameters and corresponding standards thereof in combination with component data collected by a child hospital; 2, analyzing a component position relationship by using NLP, constructing a knowledge graph KG model, and storing the knowledge graph KG model in a Neo4j database to form a component-standard-position relationship network; 3, on the basis of the KG model, regularly verifying and updating a relation between a standard and a component through LLM + GraphRAG, and generating a dynamically updated optimization constraint condition; and 4, on the basis of the updated optimization constraint conditions in the step 3, through a multi-target GAN training generator and a discriminator, generating a core optimization parameter scheme, and outputting an optimized BIM design. According to the method, it is ensured that the optimization process adapts to the latest specification, and the defects of a traditional method in the aspects of multi-target balance, standard dynamics and engineering implementability are overcome.

The invention discloses a fault detection method based on a fusion network, and relates to the technical field of fault detection of industrial equipment. The convolutional neural network model carries out local feature extraction and sliding window operation on time series data of equipment through a convolutional layer to capture a local mode and a change trend, and the Transform module helps the CNN model to capture global dependency relationship features in the time series data through a self-attention mechanism; the bidirectional gating recursion module considers forward and backward information of time series data at the same time and captures front and back dependency relationship characteristics, introduces the cross attention mechanism module to carry out characteristic fusion, and compresses the characteristics into fixed-length characteristics through adaptive average pooling mapping. The processed features are classified through a full connection layer, and prediction results of fault categories are output; according to the fault detection method based on the fusion network, the feature information of the industrial equipment can be automatically extracted, and the intelligence and the accuracy of the equipment are improved.

The application belongs to the field of organic synthesis and particularly relates to a synthesis method of substituted silabicyclo[4.1.0]heptan-2-one derivatives. The method comprises the following steps: pyridine N-oxide mediates intramolecular radical tandem cyclization reaction of 1,6-silabenzyne compounds to obtain silabicyclo[4.1.0]heptan-2-one derivatives. The reaction condition of the application is mild and simple, only needs to add a catalytic amount of non-metal photocatalyst, does not need to add other metal catalysts and ligands; and the reaction does not need strict anhydrous and anaerobic conditions, is easy to operate, has a relatively short reaction time, the product is easy to separate and purify, and has a relatively high yield.

The invention discloses an acid-etched fracture conductivity testing device and a testing method thereof, the acid-etched fracture conductivity testing device comprises an acid liquid storage tank and a diversion chamber, and an acid storage chamber and a driving chamber are arranged in the acid liquid storage tank; the acid storage chamber is connected with a liquid supplementing container through a pipeline, a gas cavity and a liquid cavity are formed in the liquid supplementing container, the gas cavity is connected with a high-pressure nitrogen gas source, acid liquid is arranged in the liquid cavity, and the liquid cavity is connected with the acid storage chamber; the bottom end of the driving chamber is connected with a constant-flux pump through a pipeline, and the input end of the constant-flux pump is connected with a driving liquid pool; ports at two ends of the flow guide chamber are respectively connected with an output port of a preheater and a discharge pipeline; an input port of the preheater is connected with an acid storage chamber, and an input end pipeline of the preheater is connected with a gas cleaning pipeline; the gas cleaning pipeline comprises a gas cylinder, a buffer tank and a one-way valve; a pressure regulating valve is arranged at the output end of the gas cylinder, a one-way valve and a buffer tank are sequentially arranged at the output end of the gas cylinder in series, and the output end of the buffer tank is connected with the input end of the preheater.

The invention provides an intelligent battery changing cabinet with an independent battery compartment, and relates to the technical field of battery changing cabinets. The intelligent battery replacing cabinet with the independent battery bins comprises a battery replacing cabinet shell, the battery bins are evenly arranged in the battery replacing cabinet shell, the peripheral sides of the battery bins communicate with independent air bins, the independent air bins comprise the upper air bin, the lower air bin, the left air bin and the right air bin, and negative pressure holes are formed in the top ends and the bottom ends of the upper air bin and the lower air bin. The aperture of the negative pressure hole is gradually increased; a division piece is arranged in the upper and lower air cabins; the plurality of independent channels are communicated with one another; a plurality of flow guide ribs are distributed in the independent channel; resistance balance cylinders are arranged in the left and right air cabins, a plurality of radial air outlet grooves are formed in one sides of the left and right air cabins, air flows are formed in the upper and lower air cabins and the left and right air cabins through the exhaust fans, and the air flows in the left and right air cabins enter the battery cabin and enter the upper and lower air cabins through suction force formed by the negative pressure holes; and airflow is formed on the periphery and inside the battery compartment to enhance the heat dissipation effect.

The utility model discloses forge piece manufacturing equipment for bar machining, which relates to the technical field of bar machining and comprises a forging base, multipoint clamping mechanisms are arranged on two sides of the upper end of the forging base, and an electric lead screw guide rail is mounted in the center of the upper end of the forging base. A sliding seat of the electric lead screw guide rail is fixedly connected with a heating adjusting seat and a forging and pressing lower die, the heating adjusting seat and the forging and pressing lower die are arranged side by side, the upper end of the forging and pressing lower die corresponds to the bottom position of the bar, and the center of the upper end of the heating adjusting seat is fixedly connected with a fixed electromagnetic heater; the distance between the electromagnetic induction coils is adjusted to achieve control over different heat affected zones, and when the distance is adjusted to be minimum, a centralized heating zone is formed and used for local upsetting; a continuous heating belt is formed when the distance is increased, the device is suitable for long-shaft forgings, so that the heating area can be flexibly adjusted according to the forging requirements of bars, and meanwhile, the multi-point clamping mechanism can improve the clamping stability, avoid axial movement of the bars and improve the machining efficiency and the machining quality.

The utility model relates to agricultural waste treatment equipment technical field especially based on light and heat dual drive's black soldier fly larvae and insect sand separation system, include: frame, upper layer separation bin and upper layer separation bin. Upper layer separation bin sets up in the frame top, including the netted conveyer belt of horizontal operation, the flattening scraping thin device of feed end, the light and heat source above netted conveyer belt and the screen mesh anti -blocking device on the return path, the lower layer collection bin sets up in the lower layer separation bin below, including the entity conveyer belt of horizontal operation. The flattening scraping thin device will viscous or too thick insect sand even spread thin, promote light and heat penetrability and larvae drill out efficiency, the screen mesh anti -blocking device passes through the brush penetration and cleans the conveyer belt screen mesh hole, avoids the screen mesh blockage and leads to the conveyer belt shutdown. The above based on light and heat dual drive's black soldier fly larvae and insect sand separation system can realize the efficient and stable separation of larvae and insect sand.

The embodiment of the invention provides a multi-mode-based multi-strain peptide activity prediction method and system, and belongs to the field of peptide activity prediction. The prediction method comprises the following steps: acquiring multi-modal data of a peptide; performing feature extraction on each piece of modal data in the multi-modal data, mapping each extracted modal feature to a feature space with a unified dimension through a multi-channel feature encoder, and then performing fusion to obtain fusion feature representation of the peptide; generating a plurality of conditional feature representations respectively corresponding to each target strain through a learnable strain embedding table by combining the fusion feature representation of the peptide with the identification information of the plurality of target strains; and outputting an activity prediction result of the peptide on each target strain according to the plurality of conditional feature representations. According to the method, multi-modal data is combined with the characteristics of the strains, so that the activity prediction of the same peptide sequence on various target strains is realized, and the design of narrow-spectrum / broad-spectrum antibacterial drugs is greatly assisted.

The present invention relates to the field of low-energy radical-curable inks for offset or letterpress printing of security documents. The invention relates in particular to low-energy radical-curable offset or letterpress printing inks for offset or letterpress printing on a security substrate or document, said low-energy radical-curable inks having a viscosity in the range of approximately 2.5 to approximately 25 Pa·s at 40 °C and 1000 s⁻¹ and comprising radical-curable (meth)acrylate compounds, one or more photoinitiators of formula (i), one or more machine-readable materials, and one or more fillers and / or one or more extenders.

This utility model relates to the field of pressure transmitter technology, and in particular to a high-temperature resistant pressure transmitter, including a support plate, an outer protective assembly on the top of the support plate, and a heat dissipation assembly on the top of the outer protective assembly. Through the coordinated use of a mounting box, an integrated telescopic rod, a stop plate, a buffer spring, and a protective pad, the mounting box protects the transmitter's exterior. After adjusting the integrated telescopic rod, the pressure gauge is fixed using the stop plate. The buffer spring between the side plate and the stop plate provides a shock-absorbing effect during fixing. Furthermore, the outer surface of the stop plate is equipped with a protective pad to prevent instability during fixing. The mounting box and the support plate use a snap-fit ​​design for easy installation and disassembly, thereby improving work efficiency. A temperature detector facilitates internal temperature monitoring, allowing operators to easily understand the values. Starting the fan provides heat dissipation for the internal components and the transmitter.

The invention relates to the technical field of 5G communication network security, and discloses a system border router security reinforcement method, device and equipment, and the method comprises the steps: constructing a service configuration mapping table; in the session establishment stage, the session management function generates and issues a target security policy to the user plane function according to the service configuration mapping table; when the user plane function receives the data stream, matching and writing an identifier in a preset field of a data packet header of the data stream according to a target security policy, and packaging and transmitting the data stream to the data center gateway; and the data center gateway intelligently adjusts the business service state of the uplink data packet according to the identifier. According to the method, the effects of overcoming the defects of the security policy of static configuration and improving the system security can be achieved.

This invention provides a tuna multi-target antihypertensive peptide and its applications. The amino acid sequence of the peptide is one or more of FAPF, VSFP, FQPSF, and FFLP, and it is a bioactive peptide possessing ACE2 upregulation, ET-1 downregulation, and ACE inhibitory activities. The tuna multi-target antihypertensive peptide provided by this invention is prepared from yellowfin tuna scraps. This bioactive peptide has excellent biocompatibility, small molecular weight, and high activity, making it easy to isolate, purify, and synthesize artificially. This invention utilizes Ang-II-induced HUVEC cells to isolate and purify a novel bioactive peptide with ACE2 upregulation, ET-1 downregulation, and ACE inhibition from tuna hydrolysate. This overcomes the problem of blood pressure reversal after long-term use of single-target ACE inhibitory peptides and can synergistically exert a better antihypertensive effect with ACE inhibitory peptides.

The application discloses a kind of based on shap explainability analysis's Transform-BiLSTM water quality prediction method, belongs to the field of water quality prediction and explainability artificial intelligence under deep learning.First, the multi-parameter water quality monitoring data of target water area is obtained, and the data is cleaned and normalized.The data is divided into training set, validation set and test set, a hybrid neural network model composed of Transform encoder and bidirectional long short-term memory network is constructed, Transform-BiLSTM training data, evaluation index is calculated, finally SHAP is used to explain and analyze the fusion model, accurately identify the driving factor and the direction and degree of action affecting water quality change.The application significantly improves the accuracy of water quality prediction, enhances the credibility and explainability of the model, and provides intuitive and reliable decision-making basis for water environment management.

This invention discloses a combined anatomical plate and operating tools for posterior approach reduction of acetabular fractures, including a locking plate and a reduction plate. The locking plate is an arc-shaped strip plate that fits above the greater sciatic notch and has screw holes. The locking plate has a screw rod with a nut. The reduction plate includes a first plate, a second plate, and a third plate, all integrally formed and each having screw holes. The first plate is curved to fit the anatomical structure above the acetabulum. The second plate intersects with the locking plate. The third plate is curved to fit the anatomical structure of the acetabular quadrilateral. In this invention, the third plate is tightly fitted to the quadrilateral, and the first screw hole of the locking plate is fixed to the ischial tuberosity with screws. The reduction tool is used to lift and twist the reduction plate assembly. The lifting action of the third plate on the quadrilateral pulls the quadrilateral protruding into the pelvic cavity outward, achieving reduction and fixation of the central dislocation of the hip joint.

The utility model belongs to the technical field of art ornamentation, and particularly relates to a rain ripple decorative plate which comprises a plate body made of 304 or 316 stainless steel. The maximum width of the plate body is 2m, the maximum length of the plate body is 12m, the thickness range of the plate body is 0.5 mm-10 mm, the plate body is provided with a plurality of alternate pattern layers and matte layers, the pattern layers are made of covering materials on the surface of the plate body, and the matte layers are formed through an atomization process. According to the utility model, 304 or 316 stainless steel is used as a raw material, and a plurality of alternate pattern layers and matt surface layers are manufactured through a unique process, so that in the aspect of appearance, rich patterns and matt surface texture meet individual requirements in the field of architectural decoration, the spatial aesthetics is improved, and in the aspect of functions, accurate thickness control meets high-precision requirements of industrial manufacturing; the matte layer enhances the wear resistance and corrosion resistance, prolongs the decorative service life, improves the actual decorative effect, reduces the maintenance cost, and effectively overcomes the defects of a traditional plate.

The invention relates to the technical field of electric cylinders, in particular to a support lug connecting structure and method of an electric cylinder, the support lug connecting structure comprises a push rod and a support lug, and further comprises a connecting block and a sleeve; a first connecting disc is arranged at the end part of the push rod, and a plurality of first grooves are uniformly distributed in the peripheral surface of the first connecting disc; a second connecting disc is arranged at the end of the supporting lug, and a second groove corresponding to the first groove in position is formed in the second connecting disc. The first connecting disc is in butt joint with the second connecting disc, and the corresponding first grooves and second grooves jointly form mortises. A connecting block is clamped at each mortise; the sleeve is arranged outside all the connecting blocks in a sleeving mode. The mortise and tenon joint structure is used for replacing bolt connection or threaded connection in the prior art, and the defects of bolt connection or threaded connection in the prior art are overcome.

The application discloses an optical imaging system and method integrating optical imaging and coding aperture technology, aiming to integrate the dispersed polarization components in the reflected light signal into hierarchical coded light field data by constructing a polarization coding modulation system, and highlight the coupling relationship between optical elements; adopt refocusing sequence and focal plane tomography technology to fully tap the spatial geometric information and light intensity distribution characteristics of different depth layers, and reveal the three-dimensional distribution law of the surface topography; introduce wavefront correction and deformable mirror control technology to adaptively adjust the imaging parameters of the optical system, and expand the application range of the measurement precision; combine light intensity modulation analysis and phase unwrapping window processing to depict the change trend of the surface curvature and grasp the key feature points of the topography measurement; finally, fuse the multi-dimensional and multi-level optical measurement information to form three-dimensional measurement output with rich content and reliable precision, and provide comprehensive and high-quality measurement technology resources for application scenarios such as precision optical detection and surface quality evaluation.

The application discloses a kind of swap station cluster virtual power plant spot market declaration and regulation method, it is related to electric vehicle and power system interactive operation technical field, comprising: S1, acquisition swap station cluster operating data and spot market data;S2, construct swap station cluster battery inventory state model;S3, determine swap service safety inventory constraint;S4, calculate swap station cluster virtual power plant spot market reportable capacity;S5, generate swap station cluster virtual power plant spot market declaration power curve;S6, according to market clearing result station cluster regulation task decomposition;S7, execute swap station station end charging power control;S8, rolling correction subsequent period's declaration power curve and station end control instruction.The application realizes the reportable, decomposable, executable and rolling correction of swap station cluster virtual power plant participating in spot market under the premise of guaranteeing the reliability of swap service, improves the executability of market declaration power curve and operation economy.