28results about How to "Improve fitting accuracy" patented technology

This application relates to the field of gas sensor packaging technology, specifically to an automated packaging method, system, and packaging device for gas sensors. The method includes: pre-establishing a packaging process parameter-gas-sensitive channel adaptation model; calculating the actual coaxiality deviation and correcting the sealing pressure reference value based on the gas-sensitive channel aperture; starting the integrated packaging unit, applying pre-pressure according to the corrected sealing pressure, and simultaneously collecting the temperature of the sealing area through an infrared temperature measurement module to determine whether dynamic adjustment of the welding temperature is needed; after welding, maintaining the corrected sealing pressure, and dynamically adjusting the pressure holding time based on the gas-sensitive channel length and the creep coefficient of the sealing material to complete the sealing process. This application achieves a precise balance between sealing performance and conduction efficiency by establishing a dynamic adaptation model of process parameters and gas-sensitive channel structure, overcoming the coupling imbalance bottleneck of existing technologies.

The invention relates to the technical field of battery sealing nail welding, and provides a battery sealing nail welding defect repairing method. The repairing method comprises the following steps: acquiring an aluminum wafer of which the diameter is greater than that of a liquid injection hole of the battery top cover; removing the sealing nail at the liquid injection hole of the top cover of the battery; cleaning a liquid injection hole area; carrying out penetration type stitch welding by taking the wafer as an upper layer and the battery top cover as a lower layer to form a welding seam for melting the wafer and the battery top cover into a whole; and treating the welding seam and the wafer, enabling the outer surface of the wafer to be flush with the outer surface of the battery top cover, and enabling the liquid injection hole area not to be visually recognized. According to the repairing method, the aluminum wafer and the battery top cover are subjected to penetration stitch welding, and the welding seam and the surface of the wafer are treated, so that the welding defect of the sealing nail is repaired, the situation that the battery is degraded and scrapped due to poor welding or appearance defect of the sealing nail is avoided, and the quality requirement of the battery is met.

This invention relates to the field of lithium battery asset management and value assessment technology, particularly a lithium battery asset lifecycle health management and value assessment system. The system comprises a physical asset access layer, a digital twin construction and assessment layer, an economic value mapping and calculation layer, and a strategy generation and closed-loop optimization layer forming a two-way data closed loop, all connected sequentially. The system accesses multi-source heterogeneous time-series data throughout the lithium battery lifecycle, constructs a digital twin coupling an electrochemical degradation mechanism model and a data-driven model, calculates the real-time dynamic economic value vector of the lithium battery, generates operational optimization strategies with the goal of maximizing the asset value throughout the lifecycle, and iteratively optimizes the model through feedback on execution results. This invention achieves deep integration of lithium battery health management and asset value management, and can be widely adapted to the refined management needs of lithium batteries throughout their entire lifecycle in various scenarios.

The application discloses a modular quick-change module of an OMR vacuum laminating machine and a laminating device, relates to the field of vacuum laminating machines, and comprises a rack, a linear module is mounted on the inner side of the rack, an installation plate is fixedly connected to the top of the linear module, a workpiece is placed on the inner side of the installation plate, a hydraulic cylinder is mounted on the inner side of the rack, and a top seat is fixedly connected to the output end of the hydraulic cylinder; the cooperation of the rectangular plate and other parts enables the second nozzle to start from the sealed end, gradually advance to the middle area and the area close to the other end, and apply uniform pressure; this process not only continuously discharges air to the end, but also assists the close lamination of the film and the workpiece surface through uniform air flow pressure, ensures that the back glue of each area can fully contact the workpiece, reduces the air bubble hidden danger caused by local lamination from the root, and realizes the dead-angle-free air exhaust from one end of the workpiece to the other end, and further reduces the overall air bubble generation rate.

The present application relates to the technical field of mine hoist protection, in particular to a heavy-load mine monorail hoist derailment prevention protection mechanism, comprising a long slide rail frame, a sliding mechanism and a heavy-load carriage, the sliding mechanism is slidingly connected to the end of the long slide rail frame, and the heavy-load carriage is movably installed at the bottom of the sliding mechanism; wherein the sliding mechanism is provided with a basic operation mechanism and a derailment prevention braking assembly, the basic operation mechanism can complete adaptive adjustment assembly according to the actual working condition of the track, and realize the front prevention and control of the derailment risk, the present application not only is provided with the basic operation mechanism to realize adaptive adjustment assembly and effectively prevent and control the front derailment risk, but also is additionally provided with the derailment prevention braking assembly, so that when the wheel encounters sudden abnormal working condition, it can quickly respond, through the rapid switching of the alternative wheel or the emergency braking operation, the stable and close contact state between the sliding mechanism and the long slide rail frame is maintained, thereby greatly improving the safety and reliability of the monorail hoist operation.

This invention discloses a data-driven causal inference-based auxiliary decision-making method for low-carbon operation of power generation, comprising the following steps: (1) collecting and preprocessing data from thermal power plants; (2) constructing a causal graph reflecting the relationship between variables; (3) identifying control variables in the causal inference; (4) using a matching algorithm to calculate and filter matching values, thereby obtaining causal inference functions for intervention variables and outcome variables; and (5) evaluating the sensitivity of low-carbon operation control of thermal power plants based on the causal inference function obtained in step (4). This invention constructs a causal graph, fits the relationship between operation control quantities and carbon emissions based on data-driven causal inference, performs sensitivity analysis on carbon emission levels, and thus achieves reasonable control of carbon emissions, thereby realizing auxiliary decision-making for low-carbon operation of thermal power plants.

The application relates to the technical field of panel display, in particular to a high-precision substrate laminating device for a very warm liquid environment. The device comprises a base, a protective cover, a pressing module, a temperature control module, a lower laminating table and a visual positioning module. The base is provided with the protective cover. The pressing module is fixedly installed on the base in the protective cover and used for installing an upper substrate. The temperature control module is installed on the base in an inclined manner below the pressing module. The lower laminating table is installed in the temperature control module in an inclined manner and used for installing a lower substrate. The visual positioning module is fixedly installed on the base at one side of the temperature control module and extends into the temperature control module and is used for positioning the substrate. The application has the advantages of high laminating precision, good size adaptability, provision of a very warm working environment and reduction of bubble phenomenon, solves the problems of low laminating precision, poor size adaptability, only suitable for normal temperature use and easy bubbling of existing substrate laminating equipment, and meets the needs of substrate lamination in a very warm liquid.

This invention discloses a method for calculating the installed capacity of distributed generation (DG) in a distribution area based on the time-series power of distribution transformers. The method includes: classifying the target distribution area by DG type; matching the DG type classification results with corresponding time period filtering principles; filtering the corresponding pure load time periods according to the time period filtering principles; obtaining pure load time period data; classifying the pure load time period data by date type; extracting the load cycle features corresponding to each date type; fitting the load cycle features using a pre-trained LSTM neural network model; outputting the load prediction value corresponding to the pure load time period; calculating the DG output at the corresponding time based on the load prediction value; filtering the maximum DG output value for the pure load time period; assigning dynamic coefficients to the maximum DG output value; and outputting the actual installed capacity of the target distribution area. This method improves the accuracy of DG installed capacity calculation, enhances data robustness, is applicable to a wider range of application scenarios, and is low-cost and easy to implement.

The utility model discloses a kind of vacuum laminating equipment, it includes: machine plate;First feeding mechanism, it is installed on machine plate, and has for carrying positioning upper laminating object's feeding stage;Second feeding mechanism, it is installed on machine plate, and has for carrying positioning lower laminating object's laminating stage;For picking up the upper laminating object of feeding stage and cooperate laminating stage and make upper laminating object laminated on lower laminating object, vacuum laminating mechanism is set in first, second feeding mechanism upper, and has with laminating stage contact to form vacuum cavity's vacuum box;The first visual angle positioning mechanism for being positioned by being photographed from below to above to the upper laminating object picked up by vacuum laminating mechanism is provided on the machine plate;The second visual angle positioning mechanism for being positioned by being photographed from above to below to the lower laminating object of laminating stage is further provided on the machine plate. The utility model can realize the accurate alignment of upper laminating object and lower laminating object, and realize accurate laminating, improve laminating quality.

The application relates to the field of graphite sheet assembling equipment, in particular to a graphite sheet assembling mechanism which comprises a mechanism body, the mechanism body comprises a pressing device, a positioning device arranged below the pressing device and a conveying device used for conveying the positioning device; the pressing device comprises a support, a pressing assembly connected above the support and a jacking assembly arranged below the positioning device; the pressing assembly is used for pressing graphite sheets and products; and the jacking assembly is used for driving the positioning device to ascend and descend. The graphite sheet assembling mechanism can improve the fitting precision.

This invention relates to the field of medical rehabilitation technology, and in particular to a biofeedback-driven spinal dynamic stabilization device and its method of use, comprising: a stabilizer, which includes stabilization component one, stabilization component two, stabilization component three, and stabilization component four. This invention has the advantages of adapting to the patient's body shape and intelligently correcting spinal posture, with flexible length and width adjustment: the stabilizer has the function of adjustment according to the patient's body shape. By rotating the operating block, through the linkage rod, driving bevel gear, and driven bevel gear transmission, the threaded rod composed of a bidirectional threaded rod rotates, causing the threaded sleeve to drive the fixed plate, rotating plate, and moving plate to move, thereby pushing stabilization component three and stabilization component four to move in opposite directions. Combined with the sliding compensation of the fixed frame in the compensation groove, precise adaptation to the patient's lumbar length is achieved. Simultaneously, using the same adjustment method, the distance between stabilization component two and stabilization component three is adjusted through the distance adjustment component two.

The application discloses a tire tread conveying device with a tire tread fitting centering device, and belongs to the technical field of tire production and manufacturing. The technical scheme is characterized in that the conveying frame, the plurality of roller structures, the centering device, the driving device and the conveying device are combined. The roller structure realizes stable conveying of the tire tread through the rollers and the auxiliary wheels. The centering device realizes accurate centering and limiting of the tire tread by cooperation of the first limiting rod, the second limiting rod and the driving device. The conveying device realizes stable transmission of the tire tread by cooperation of the control assembly and the conveying assembly. The technical effects of improving centering accuracy in the tire tread conveying process, reducing deviation, enhancing conveying stability and improving production efficiency are achieved.

The utility model relates to the technical field of bonding structure, especially tooth cosmetic reinforcing anti -drop veneer bonding structure, including tooth paste body, embedding mechanism, edge adhesion mechanism, edge reinforcing mechanism, both sides edge of tooth paste body all are equipped with the edge adhesion mechanism for adhering the two -sided arc surface of user's teeth, and the side of two groups of edge adhesion mechanism away from tooth paste body is equipped with the edge reinforcing mechanism for reinforcing the two -sided arc surface of user's teeth, and the inside of tooth paste body is equipped with the adhesive patch for bonding user's teeth and tooth paste body, the utility model realizes through embedding mechanism and bonding agent cooperation use, has changed the traditional simple reliance bonding agent's cohere mode, forms multiple fixed, through the cooperation of edge adhesion mechanism and edge reinforcing mechanism, effectively reduces the occurrence probability of micro -leakage, prevents bacterial invasion and edge dyeing, better protection tooth health.

This utility model discloses a backlight assembly bonding fixture, including a first positioning component, a second positioning component, and a material transfer component. The first positioning component has a first positioning seat, and a first positioning part and a second positioning part disposed on the first positioning seat. The first positioning part can position the panel. The second positioning component has a second positioning seat, and a third positioning part and a fourth positioning part disposed on the second positioning seat. The third positioning part can position the base plate. The material transfer component has a material transfer seat, and a material picking part and a fifth positioning part disposed on the material transfer seat. During material picking, the material picking part removes the panel from the first positioning part; during bonding, the fifth positioning part cooperates with the fourth positioning part, and the material picking part bonds the panel to the base plate on the third positioning part. This utility model achieves more accurate positioning of the panel and base plate, better bonding precision, and higher efficiency.

The utility model relates to a kind of laser projector illumination testing equipment, belong to illumination testing equipment technical field, to solve the problem of low test efficiency, poor precision and large personnel workload when laser projector is tested by manual mode in prior art.This application includes rack, mounting seat and luxmeter, and the rack is fixedly installed with slide rail, two stations are equipped on the slide rail, to constitute feeding station and test station;Mounting seat is slidably installed on slide rail, and the luxmeter is installed on the rack at test station;Fixed part, power connection part and heat dissipation part are equipped on mounting seat;Laser projector is fixedly installed on mounting seat by fixed part, power connection part is plug structure, and it corresponds with laser projector power connection end, heat dissipation part is installed on mounting seat, and when laser projector is installed on mounting seat, heat dissipation part is attached to laser projector.This application does not need artificial movement product, and test efficiency is high, personnel workload is less, and test precision is high.

The application provides obtaining a plurality of training data sets, the training data sets comprising one-to-one corresponding microfluidic chip parameter combinations and chip chamber fluid average temperature sequences, the parameter combinations comprising chip thickness, solution volume, ambient temperature, denaturation temperature, annealing temperature and extension temperature, and the chip chamber fluid average temperature sequence being a sequence of spatial average temperature of a chip chamber fluid domain changing with time; obtaining a temperature prediction optimization model, an input of the temperature prediction optimization model being the training data set, and an output being a heater set temperature sequence; and inputting the training data set into the temperature prediction optimization model to obtain the heater set temperature sequence. The method realizes reverse prediction of the heater set temperature curve, and improves prediction accuracy of the model under complex thermal cycle conditions.

The present application belongs to coefficient determination method, and particularly relates to a method for determining the iron water absorption coefficient in gamma logging data interpretation. The method for determining the iron water absorption coefficient in gamma logging data interpretation comprises the following steps: step one, collecting information; step two, calculating the equivalent thickness; and step three, calculating the absorption coefficient. The present application has the following remarkable effects: the method of the present application establishes a fitting function by using the limited discrete data provided by the existing logging model experiment, calculates the iron water absorption coefficient corresponding to different measured borehole diameters by using the function, has high fitting accuracy of the absorption coefficient, and has the advantages of convenient calculation, easy programming, simplified drilling process, and saved drilling construction cost.

The utility model relates to a kind of split synthetic furnace, including synthetic furnace body and conveying frame, and multiple first guide rails are fixed in the side of furnace body, multiple first sliders are adaptively equipped in the two sides of first guide rail, and first slider is fixedly connected with side furnace body by a fixed frame;Two U-shaped mounting brackets with opening towards synthetic furnace body are equipped on the frame of conveying frame, and multiple reaction tubes are longitudinally equipped on mounting bracket;Conveying frame can be moved towards synthetic furnace body under external force, so that horizontal frame is below base, multiple reaction tubes are moved into heating cavity, two sides arc clamping groove is clamped on reaction tube, and it is locked between middle furnace body and side furnace body by multiple locking members.The above scheme configures synthetic furnace into detachable synthetic furnace body and conveying frame, and reaction tube can be pushed into heating cavity by conveying frame, when reaction tube needs to be removed, heating cavity between side furnace body and middle furnace body is opened, and conveying frame is pulled out, greatly improve the installation and take efficiency of multiple reaction tubes, and improve production efficiency.

The utility model discloses infusion port decompression pasting film, including application (1), one side of application (1) is equipped with the compression sheet (2), is equipped with the recess (3) of being in accord with the needle wing of infusion port on compression sheet (2), the edge of compression sheet (2) is equipped with the gasket (4) of a circle and skin contact, and the both sides of gasket (4) are equipped with needle slot mouth (5) and pipe slot mouth (6) in accord with the needle of infusion port respectively, the gasket (4) and compression sheet (2) form inner chamber (7) between, a pair of bottom pad (8) for supporting needle wing is equipped with in the recess (3) cooperation use in inner chamber (7), one side of application (1) and located the outside of compression sheet (2) is equipped with the sticking part (9). The utility model discloses through the combination positioning of the support and pressing of indwelling needle needle wing, keep the flatness of needle wing, alleviate the pressure of needle wing to the skin of patient, reduce the incidence of patient pressure sore.

An analytical method for determining the trapped oil pressure and its extreme values ​​in gear pumps / motors includes the following steps: Step 1, determining the trapped oil region and its positional variables based on the gear pair meshing process; Step 2, an analytical solution method for the trapped oil pressure; Step 3, a fitting formula method for obtaining the unloading area; Step 4, an analytical solution method for determining the extreme trapped oil pressure and its occurrence location. This invention offers a simpler method, more reliable results, and more accurate extreme values ​​and their occurrence locations; it significantly simplifies existing numerical methods for determining trapped oil pressure; it clarifies that the extreme value of the trapped oil pressure occurs at the point where the unloading groove is about to close, rather than at the actual closure point, and the specific extreme value location depends on the size of the unloading area in the area where the unloading groove is about to close; the method, obtained from 3D feature measurement of the unloading area and an Excel trend line, is highly efficient, fast, and accurate, providing a reliable basis for the accurate evaluation of the extreme trapped oil pressure in external gear pumps / motors and effective control in product design.

The application discloses a multi-station self-adaptive material taking manipulator of an injection molding machine, comprising a six-axis driving system and a material taking system. The material taking system comprises a flexible strip and a plurality of suction cups. The flexible strip is composed of a flexible outer wall and a magneto-rheological fluid, and can freely bend when not powered. After being powered, the magneto-rheological fluid solidifies to lock the shape. Each suction cup is integrated with a spherical hinge structure, a magneto-rheological damper, a linear servo motor and a pressure sensor to form an active compliant unit. The flexible strip realizes quick switching between flexible fitting and rigid support through the magneto-rheological fluid. The active compliant unit independently regulates and controls the posture of the suction cup to accurately adapt to the local characteristics of the curved surface. In combination with target function optimization and real-time pressure feedback, the application ensures uniform distribution of the grabbing force, avoids damage to the workpiece, and improves the grabbing stability of the complex curved surface product and the multi-station operation efficiency.

The application discloses a method for constructing a mechanical model of high polymer rheological behavior considering temperature effect, and specific steps are as follows: S1, a temperature-dependent fractional derivative constitutive model is established according to the change of high polymer viscoelastic properties in a creep or relaxation process; S2, a linear relationship between a fractional order alpha of the temperature-dependent fractional derivative constitutive model and temperature T is constructed; S3, a function relationship between material parameters E of the temperature-dependent fractional derivative constitutive model and temperature T is constructed; and S4, the change of mechanical properties of the high polymer in the creep or relaxation process at different temperatures is described by using the established temperature-dependent fractional derivative constitutive model, and model parameters are determined by fitting experimental data. α The application provides a temperature-dependent fractional derivative constitutive model which is convenient to apply, clear in physical concept and capable of meeting accuracy requirements, so as to solve the problem that there is no simple and high-precision theoretical model for describing the temperature-related rheological behavior of high polymers.

This utility model belongs to the field of liquid crystal display panel technology and discloses a bonding device. The bonding device is used to bond a pressure plate to a substrate on a carrier. It includes a frame, a driving assembly, an alignment platform, an adsorption assembly, and a positioning camera. The frame has a first opening at its top along the Z-direction for accommodating the carrier. The driving assembly is fixedly mounted on the frame, and its output end is positioned along the Y-direction. The alignment platform includes a reference plate, an alignment assembly, and a carrying plate. The reference plate is connected to the output end of the driving assembly, and the alignment assembly is positioned between the reference plate and the carrying plate. The carrying plate can move along the X and Z directions via the alignment assembly. The adsorption assembly is fixedly mounted on the carrying plate for adsorbing the pressure plate. The positioning camera is mounted on the reference plate, with its lens facing the pressure plate. The positioning camera is electrically connected to the alignment assembly to prevent the pressure plate from deviating from its preset bonding position with the substrate due to its own weight during the bonding process, thereby improving the alignment accuracy between the pressure plate and the substrate.

This utility model relates to the field of film application technology and discloses an adjustable film application assembly machine, including a film application assembly machine body. A film application component is fixedly installed on the top of the film application assembly machine body. The film application component includes a fixing plate fixed to the top of the film application assembly machine body. An installation plate is movably installed inside the fixing plate, and a push rod is fixedly installed on the front of the installation plate. Compared with traditional film application assembly machines, this utility model facilitates the installation of the film-limiting frame through the cooperation of positioning holes, positioning rods, and springs. This allows for rapid adaptation to diverse film application needs. By replacing the film-limiting frame, it can easily accommodate film materials of different specifications and materials, and can switch between multiple film application modes without large-scale equipment modifications. Convenient installation reduces downtime, allows for rapid response to production task switching, and significantly improves production efficiency. The modular design simplifies the maintenance process.

A temperature compensation method for MEMS accelerometers based on fuzzy neural networks is presented, belonging to the field of MEMS accelerometer temperature compensation technology. This method addresses the problems of existing MEMS accelerometer temperature compensation methods, such as missing optimization of algorithm antecedent parameters, insufficient compensation accuracy, and poor real-time performance. The method includes: constructing an FCM-T-S fuzzy neural network module; optimizing the network antecedent parameters using the FCM algorithm; updating the network consequent parameters using gradient descent; and then deploying the trained FCM-T-S fuzzy neural network module into the MEMS accelerometer temperature compensation system. A data acquisition module synchronously acquires the temperature output voltage and acceleration output voltage of the MEMS accelerometer. The FCM-T-S fuzzy neural network module outputs the compensated true acceleration based on the temperature and acceleration output voltages. Results: High-precision temperature compensation for MEMS accelerometers is achieved, improving their output accuracy and temperature stability.

The application is based on the aerofoil ceramic core trimming path consistency evaluation method based on point cloud segmentation, which comprises the following steps: firstly, obtaining the ceramic core point cloud data and the elliptical hole trimming path, preliminarily segmenting the point cloud near the elliptical hole, then completing the establishment of the local coordinate system based on RANSAC, realizing the coordinate conversion of the point cloud near the elliptical hole from the world coordinate system to the local coordinate system, then establishing the elliptical hole arc chamfer model under the local coordinate system, realizing the point cloud segmentation and model fitting of the elliptical hole arc chamfer based on particle filtering, and finally completing the aerofoil ceramic core trimming path consistency evaluation combined with the model parameters and the trimming path. The application simultaneously considers the influence of the shrinkage deformation of the ceramic core and defects such as burrs, flash and hole blockage on the parameter fitting and point cloud segmentation, and the influence of the position deviation of the path points and the deviation of the laser trimming direction on the alignment degree of the path edges, thereby improving the accuracy, robustness and reliability of the path consistency evaluation, and meeting the accuracy requirements of the feedback index for improving the trimming path generation algorithm.

This invention discloses an AI-driven ultra-high precision fastener forming die and its assembly kit. The die includes a die shell, end inserts, several internal inserts, pads, and lock nuts. The die shell is axially continuous, and a variable diameter cavity, a constant diameter cavity, and a threaded cavity are sequentially arranged along the axial direction inside the die shell. The lock nuts sequentially press the pads, all internal inserts, and end inserts into the die shell. The forming die adopts an AI-driven modular assembly structure, combined with forming process simulation technology, which can intelligently match the insert combination scheme according to the specifications of aerospace fasteners and predict the forming effect. It has strong versatility and can adapt to the high-precision forming requirements of multiple specifications of products. The die assembly kit includes standard die shell parts, standard end insert parts, several standard internal insert parts, standard pads, and lock nuts. The kit is equipped with an AI specification adaptation model, which can intelligently select and combine according to size requirements and verify the rationality of the assembly through simulation, significantly reducing mold inventory pressure and improving forming yield.