74results about How to "Achieve efficiency" patented technology

The invention relates to the technical field of the intelligent power grid industry, in particular to a power distribution and utilization ring network fault intelligent troubleshooting method and system. According to the method, a looped network situation primitive is generated through multi-source heterogeneous data fusion. The primitives are input into synchronous compression transformation to extract transient fault initial features, and the transient fault initial features are mapped into fault propagation path features through a graph convolutional network considering topological structure constraints; then, inputting the features into a space-time correlation prediction model, integrating defect type judgment and trend pre-judgment features, and generating a fault diagnosis evidence set; and starting an investigation mechanism based on the evidence set to determine an interval to be investigated, and performing closed-loop verification by constructing a fusion judgment matrix based on multi-modal physical sensing information to realize physical space locking of a fault defect point. According to the method, deep learning diagnosis and multi-mode positioning are integrated, and the detection precision and the positioning efficiency of looped network defects and the identification capability of transient hidden faults are effectively improved.

The utility model discloses a bucket type lifting feeding device, which relates to the technical field of lifting feeding and comprises a conveying belt main body, the outer surface of the conveying belt main body is movably abutted against an electromagnetic horizontal conveying machine, and the inner side surface of the conveying belt main body, which is close to a driven chain wheel, is fixedly provided with a lower limiting stopper; an upper limiting stopper is fixedly installed on the inner side face, close to the speed reducer, of the conveying belt body. A material receiving and overturning mechanism is arranged on the inner side face of the conveying belt body and comprises an installation body piece fixedly installed on the outer surface of the conveying belt body. According to the bucket type lifting feeding device, the electromagnetic horizontal conveying machine conveys materials to the overturning material opening, along with the increase of the weight, the guide bearing controls the crank arm to move, the overturning material opening is driven to start overturning, the materials are conveyed into the lifting bucket, the conveying chain is used for driving the lifting bucket to do reciprocating motion, and the lifting bucket stops moving when making contact with the upper limiting stopper; and then discharging operation is started, the materials are discharged through a discharging opening, and the phenomenon of material leakage during material receiving is avoided.

The utility model discloses an electrode coating device which comprises a coating spraying equipment box, an opening and closing door is hinged to the front face of the coating spraying equipment box, an observation window is embedded in the surface of the opening and closing door, and an ultrasonic spraying device body is installed in an inner cavity of the coating spraying equipment box. And side holes are formed in the two side walls of the coating spraying equipment box. According to the utility model, through the arrangement of the side holes, when a current electrode material plate is sprayed in a coating spraying equipment box, the electrode material plate to be replaced can be placed on the external material carrying plate in advance, and after the electrode material plate is sprayed, the material carrying frame consisting of the connecting plate, the material carrying plate, the fixing plate and other parts is moved, so that the electrode material plate can be replaced. And rapid replacement of an external electrode material plate and a sprayed electrode material plate is achieved through the side holes, so that a large amount of external dust is prevented from entering the device when the electrode material plates are replaced, and continuity and high efficiency of spraying operation are achieved.

The utility model discloses a flexible welding positioner which comprises a driving rotating side and a driven supporting side. The driving rotating side comprises a gear motor, a rotating shaft, a fixing flange, a starting button and a fixing support. The gear motor is fixedly installed on the fixing support, and the rotating shaft is in transmission connection with the output end of the gear motor and used for driving a workpiece to rotate around the rotating shaft. The fixed flange sleeves the rotating shaft and is used for assisting in positioning the driving end of the workpiece; the start button is electrically connected with the speed reduction motor and used for controlling start-stop or rotating speed adjustment of the speed reduction motor. The driven supporting side comprises a ground track, a limiting block, a roller, a bracket, a hand bolt, an adjusting screw rod and a flexible chain; the roller is mounted at the bottom of the bracket and is matched with a guide rail of the ground track, so that the bracket linearly slides along the ground track; the limiting blocks are fixedly installed at the two ends of the ground track and used for limiting the sliding range of the rollers. The clamp cost is reduced through equipment generalization, the efficiency is improved through automation, rework is reduced through structural design, and cost reduction, efficiency improvement and quality improvement cooperation are achieved.

The invention discloses an API path aggregation identification method and device and a storage medium, and relates to the technical field of electronic digital data processing, and the method comprises the steps: carrying out the preliminary aggregation identification of API path data based on the path structure features of the API path data; if the preliminary aggregation identification is not successful, performing deep aggregation identification on the API path data based on word segmentation features and / or statistical features of the API path data; and generating an aggregation identification result of the API path data. According to the method and the device, the API path aggregation identification accuracy is improved.

The invention discloses a transformer substation site selection data processing and feedback method, system and device based on unmanned aerial vehicle-AI cooperation and a medium, and belongs to the technical field of intelligent site selection of electric power engineering, and the method comprises the steps: controlling an unmanned aerial vehicle to shoot a transformer substation site selection region according to a preset flight route, and obtaining a site selection region image; performing preprocessing and feature extraction on the site selection area image to obtain key environment element information; inputting the key environment element information into a pre-trained site selection environment evaluation model to obtain an evaluation result, including a terrain suitability grade, infrastructure proximity and a comprehensive site selection feasibility score; according to the evaluation result and a preset engineering constraint rule base, matching an avoidance suggestion; and displaying the avoidance suggestions. According to the method, site selection suggestions can be provided for decision makers in a shorter time, the advancing speed of substation construction projects is increased, the advantages and disadvantages of site selection can be judged more objectively and accurately, and the risk of site selection errors caused by human factors or insufficient data is reduced.

The utility model relates to the technical field of liquid crystal display processing, and discloses a polishing device for liquid crystal display production, which comprises a polishing device main body, a connecting plate is mounted on the polishing device main body, a polishing rod is rotatably connected to the bottom end of the connecting plate, a mounting groove is formed in the polishing rod, a connecting rod is mounted in the mounting groove, and the connecting rod is rotatably connected to the bottom end of the connecting plate. A grinding disc is fixedly connected to the bottom end of the connecting rod, special-shaped penetrating grooves are formed in the two ends of the surface of the grinding rod correspondingly, push rods are slidably connected into the special-shaped penetrating grooves, a circular plate is fixedly connected to one ends of the push rods, and first circular grooves are formed in the two ends of the surface of the connecting rod correspondingly. According to the grinding device for liquid crystal screen production, the grinding device can easily meet the grinding requirements of liquid crystal screens of different sizes, shapes and materials through arrangement, the appropriate grinding disc is selected for replacement according to different production process requirements, the grinding effect can be optimized, and the product quality and the production efficiency can be improved.

This utility model discloses a hydraulic control system for a transmission, comprising a working oil pump, a lubricating oil pump, and electro-hydraulic proportional directional valves SA, SC, S2, SF, SD, and SE arranged in parallel. This utility model employs a structure where each gear clutch is individually controlled by a proportional valve. Through precise hydraulic actuation and electronic coordination, it achieves breakthroughs in efficiency, smoothness, and reliability of multi-gear transmissions. Its core advantage lies in its modular design to address complex operating conditions, making it particularly suitable for optimizing high-performance, multi-functional engineering vehicle transmission systems.

The present application belongs to the technical field of metal cutting machining control, and particularly relates to a chip removal control method and system for a machining center, which method comprises: collecting real-time vibration signals of the machining center and preprocessing to obtain pure vibration signals; performing periodic stationarity analysis on the pure vibration signals to obtain periodic stationarity purity of each frequency band signal and determine an optimal characteristic frequency band; extracting features capable of representing chip accumulation evolution trend based on the optimal characteristic frequency band and performing real-time grading on the chip accumulation state; and executing a matching active avoidance or graded response control strategy according to the chip accumulation state grade. The present application can accurately distinguish random chip accumulation impact from normal machining load fluctuation, significantly improve the robustness and sensitivity of monitoring, and realize intelligent control upgrade from passive response to active avoidance.

The invention relates to the technical field of numerical control machine tools, and discloses a numerical control milling machine with a multi-hole-site synchronous machining function, which comprises a machine body, a workpiece mounting table, a first lifting driving mechanism, a lifting table, at least two distance adjusting tables and a control system. The workpiece mounting table is mounted on the machine body; the first lifting driving mechanism is mounted on the machine body; the output part of the first lifting driving mechanism is in driving connection with the lifting table; the lifting platform is provided with a first horizontal driving mechanism; the output part of the first horizontal driving mechanism is in driving connection with at least one distance adjusting table, so that the horizontal distance between the two distance adjusting tables is adjustable; the two distance adjusting tables are each provided with at least one second horizontal driving mechanism, each distance adjusting table is provided with at least two main shaft units, and the output portion of each second horizontal driving mechanism is in driving connection with at least one of the two main shaft units arranged on the same distance adjusting table. Therefore, the horizontal distance between the two main shaft units arranged on the same distance adjusting table can be adjusted. The hole distance between multiple spindles can be adjusted.

The invention relates to a bone nail positioning and robot control method and system, electronic equipment and a storage medium, and relates to the technical field of information, and the method comprises the steps: obtaining 3D point cloud data containing a bone nail through a 3D camera; processing the 3D point cloud data, identifying three-dimensional space coordinates of each bone nail, and calculating XYZ space coordinates of each group of bone nails by taking 6-9 bone nails as a group; transmitting the XYZ space coordinates of each group of bone nails to a robot control device; the robot collaboration arm continuously moves according to the XYZ space coordinates, an industrial camera on the robot collaboration arm shoots 6-9 bone nails at a time, and all bone nail sets of the whole nail box are sequentially shot through continuous movement; image recognition and OCR recognition are carried out on an image acquired by the industrial camera, and digital information on each bone nail and the total number of the bone nails are extracted. Through automatic detection and operation procedures, the problems that traditional manual operation is low in efficiency and prone to making mistakes are solved, and the automation level, accuracy and efficiency of orthopedic surgery preparation are remarkably improved.

The invention discloses a river network hydrodynamic force multi-scene intelligent prediction method. According to the method, a physical information river network operator network model composed of a multi-input operator network encoder and a physical information neural network decoder is constructed; wherein the encoder is used for receiving parameterized multi-source heterogeneous boundary conditions and space-time coordinates, and encoding the parameterized multi-source heterogeneous boundary conditions and the space-time coordinates into a potential feature vector through a plurality of independent branches; the decoder is used for decoding the potential feature vector and outputting a hydrodynamic state; the model is trained through a composite loss function fusing sparse data loss and physical equation residual errors. According to the method, physical consistency is guaranteed, data dependence is reduced, heterogeneous boundaries can be efficiently processed through the design of the multi-branch encoder, and prediction precision is improved; the multi-scene simulation time is compressed from several hours to a second level through learning a solver, thousands of times of acceleration is realized, and efficient and accurate decision support is provided for real-time flood control and water resource scheduling.

The application discloses a kind of flight platform cluster's track planning method and device, the method includes: collection obtains task demand information set and flight platform cluster technical index information set;The task demand information set includes the execution position and demand information of each to be executed task;The demand information includes demand task type information and the demand value of all technical indexes;The flight platform cluster technical index information set includes the execution task type information, position information and technical index value set of each flight platform;The technical index value set includes several technical index values;The task demand information set and flight platform cluster technical index information set are preprocessed, and obtain preprocessed information set;The preprocessed information set is subjected to track planning processing, and obtains the track set of flight platform cluster.

The utility model discloses electronic equipment which comprises an equipment body and a light-emitting part, the equipment body is provided with a clamping groove and comprises a front face used for displaying information and a plurality of side faces surrounding the periphery of the front face, every two adjacent side faces intersect to form a corner part, the clamping groove is located in the corner part, and the light-emitting part is located in the clamping groove. The light-emitting part comprises a light-emitting body, a fixing base and a first fastening part, the fixing base is fixedly connected with the light-emitting body, the first fastening part is arranged on the fixing base, the fixing base is embedded in the clamping groove, and the first fastening part is detachably connected to the equipment body. According to the technical scheme, the problem that existing electronic equipment is difficult to recognize clearly due to insufficient light in a night environment is solved.

The utility model discloses two -way three -way solenoid valve of integrated one -way valve component, including first valve body and second valve body, and first valve body includes import, export and valve cavity, is equipped with first valve port in the valve cavity, second valve body includes on -off module, and on -off module includes electromagnetic assembly and one -way valve component, wherein, electromagnetic assembly includes electromagnetic coil, core pipe and magnetic core, and electromagnetic assembly on -off electricity control first valve port's opening and closing, and one -way valve component includes valve sleeve and check piece, and the one -way flow channel is arranged between valve sleeve exhaust port and exhaust port, and check piece sets up in one -way flow channel, and according to the pressure in -line of one -way flow channel, exhaust port is conducted or closed. The utility model discloses two -way three -way solenoid valve, integrated electromagnetic assembly and one -way valve component, through above -mentioned electromagnetic force drive, mechanical limit and the synergies of fluid pressure balance, realize the accurate control and prevent reverse flow of water flow and steam path.

The invention discloses a household garbage incineration control treatment system, which belongs to the technical field of garbage incineration treatment, and comprises: an incineration unit, which is used for incinerating household garbage and comprises a feeding device, a fire grate driving device, an active air supply system, an auxiliary air supply system and a first detection module; the flue gas treatment unit is used for purifying flue gas generated by the incineration unit and comprises a pollutant removal device and a second detection module; and the control module is in communication connection with the incineration unit and the flue gas treatment unit and used for outputting a control instruction to the incineration unit according to a target combustion mode so as to adjust operation parameters of the feeding device, the fire grate driving device, the active air supply system and the auxiliary air supply system in a linkage mode. According to the invention, economical efficiency, high efficiency and environmental protection of household garbage incineration treatment are realized.

The utility model discloses a boiler water-cooled wall high-efficiency deashing device which comprises a sound wave generator, a sound amplification section, a steering section and a sound generation section which are connected in sequence, a deashing barrel with one open end and one closed end is arranged at the outlet end of the sound generation section, a plurality of reflecting plates are arranged in the deashing barrel, a plurality of sound generation openings are formed in the annular side face of the deashing barrel, and the sound generation openings are communicated with the sound generation section. The reflecting direction of the reflecting plate corresponds to the sound outlet; an annular pipe is arranged outside the sound making section, a plurality of longitudinal extending pipes located on the outer periphery of the ash removal barrel are distributed on the circumference of the annular pipe, a plurality of transverse spraying pipes are arranged on the longitudinal extending pipes, and nozzles facing the water cooling wall are arranged on the transverse spraying pipes. The ash removal device has the characteristics of enlarging the ash removal range, improving the ash removal effect and reducing the damage to the water cooling wall.

This utility model relates to the technical field of biogas engineering equipment, specifically a liftable biogas digester homogenizing and stirring device, which solves the problems mentioned in the background art. It includes a hydraulic cylinder, the output end of which is connected to a motor housing, which houses a motor. The output end of the motor is connected to a stirring shaft, and stirring blades are mounted on the end of the stirring shaft away from the motor. The hydraulic cylinder is installed inside a hydraulic cylinder housing, with crossbars connected to both sides of the housing. A side slide rail is connected to the end of each crossbar away from the housing, and a hanging rod is fixedly connected to the middle of the crossbars. A top slide rail is connected to the end of the hanging rod away from the crossbars, and a pull rope is provided in the middle of the hanging rod. This utility model uses a hydraulic cylinder to drive a liftable stirring structure, combined with three-bladed propeller blades (with anti-winding serrations and guide ribs) to improve stirring efficiency and prevent clogging.

The application relates to a cloud control-based centralized vehicle queue predictive cruise control method and device. The method comprises the following steps: based on a received predictive cruise control request, acquiring real-time position and leading vehicle state information of a vehicle queue, determining an optimal reference speed curve of the vehicle queue according to the real-time position, the leading vehicle state information, a preset fuel consumption model and a preset dynamics model, taking the curve as an input of a centralized queue speed planning algorithm to obtain an optimal driving speed of the vehicle queue through optimization solving, and sending the optimal driving speed to the vehicle queue to realize vehicle queue cruise control. Thus, by combining the advantages of the cloud, the problems of limited prediction range and insufficient information acquisition capability of the existing vehicle queue predictive cruise are solved, the safety, economy and efficiency of the queue predictive cruise control are realized, the problem of gradually increasing energy consumption of the following vehicle caused by grouping is improved, the computing pressure at the vehicle end is relieved, and the energy-saving and system safety and stability boundary capability of the queue is improved.

The application relates to a PET data correction method, device, system, electronic device and storage medium. The method comprises the following steps: controlling a phantom to move in the detection range of a detection module under the condition that the radioactive source in the phantom is at different activities, and obtaining a detection data set; wherein the distance between the edge of the phantom and the radioactive source is anisotropic distribution; determining a detection data subset matched with the PET data to be corrected in the detection data set, and obtaining a dead time correction factor according to the matched detection data subset; and correcting the PET data according to the dead time correction factor. The method can balance the cost and accuracy of the dead time correction.

The invention belongs to the technical field of magnetic measurement, and particularly relates to a calibration method of a magnetic dipole array. The method comprises the following steps: S1, obtaining an independent calibration model of each magnetic source unit; and S2, according to the independent calibration model, measuring and modeling an additional magnetic field generated by coupling between the magnetic source units, and establishing a compensation model. According to the method, the problem is decomposed into N low-dimensional nonlinear fitting and one linear least square problem, the calculation complexity and time consumption are reduced in order of magnitude, and high efficiency in engineering application is achieved.

The application discloses a kind of angle adjustment geometric metrology equipment for geological mapping, it is related to geometric metrology field, including metrology main body, metrology main body is by column and is set to the adjusting platform of column top end, adjusting platform upper surface is integrated with data acquisition end, the top center of column is fixed with vertical rod, the top of vertical rod is integrally provided with spherical reference head, the bottom center of adjusting platform is fixed with the articulation sleeve matched with spherical reference head, for adjusting the horizontal and deflection angle adjustment of platform, the outer wall of adjusting platform is provided with circumferential angle measurement scale, the deflection angle value of reference surface adjustment can be directly read;The application can complete the angle adjustment of reference surface and data reading without additional auxiliary tools, significantly improve the accuracy of geometric metrology, provide stable and reliable reference support for the accurate collection of core geometric quantities such as measurement point angle and flatness, reduce the measurement error caused by unstable reference and inconvenient angle reading.

The application relates to a property access control method supporting multi-domain tracking and user management, and belongs to the field of information security.The method comprises the following steps: a property authorization center generates a unique identity according to user properties, and completes the registration of a new data user; a data owner encrypts plaintext data to obtain intermediate ciphertext; a cloud server performs re-encryption on the intermediate ciphertext; the property authorization center generates a property key and identifies a legal user and a malicious user among the registered new data users based on a conversion key; a proxy server performs initial decryption conversion on the re-encrypted ciphertext; a legal user uses a user private key to complete final decryption, and obtains plaintext data. The method aims to solve the technical problems that the prior art is difficult to realize multi-domain tracking under a multi-domain environment, is difficult to realize user revocation under the premise of considering forward and backward security, and is difficult to realize user addition under the premise of ensuring forward security.

The application discloses a kind of wideband near field communication codebook design methods for linear topology scene, comprising: constructing the space geometry model for describing relative position relationship, by the angle domain time delay parameter solved out to multi-channel time delay network, angle domain control code word that establishes the initial splitting morphology of beam cluster is generated;Based on space geometry model and angle domain control code word, generate the distance-angle joint control code word that beam focal point is attracted and locked to the preset linear track;In the linear service interval of target coverage, a series of discrete sampling points are determined, for each sampling point, generate the special joint control code word matched with sampling point space position, finally based on special joint control code word constructs complete wideband near field communication codebook.The application can solve the beam focusing misalignment caused by near field spherical wave and wideband beam splitting effect together, and the transmission delay problem caused by the beam management complexity is too high.

The application relates to an efficient and privacy-considered large model end-cloud collaborative inference method and system, which comprises the following steps: obtaining input and configuring KV cache control parameters through an end side; performing embedding calculation to generate a feature tensor and uploading the feature tensor to a cloud side; performing decoding layer inference on the cloud side according to authorization to call the KV cache and returning a hidden state; in a current generation step, performing speculative decoding prediction on subsequent tokens based on the hidden state on the end side, and calculating an end-side local inference result corresponding to a low-dimensional feature according to a dimension splitting rule; calculating a cloud-side local inference result corresponding to a high-dimensional feature on the cloud side, and returning the cloud-side local inference result after language self-adaptive cutting and encryption; fusing the two-end local inference results to obtain a complete distribution, sampling to generate an incremental token, uploading the incremental token to the cloud side for verification, and updating the KV cache.

The invention relates to the technical field of computer data processing, provides a business-driven data asset unified management method and system, and solves the technical problems of lagging data asset discovery and low management efficiency. The method comprises the following steps: acquiring a database access log and business metadata; analyzing the database access log, and constructing a sparse tensor according to the screened triple; carrying out dimension reduction decomposition operation on the sparse tensor by utilizing an alternating least square method to obtain a user potential vector, a data potential vector and a time potential vector; taking a data potential vector corresponding to the unaccessed data in the vectors as an input vector, and inputting the input vector into the trained neural collaborative filtering model to obtain a prediction preference value of the unaccessed data; according to the method, the unaccessed data are arranged in a descending order according to the predicted preference values, and potential target data are identified based on the predicted preference values, so that unified management of the data assets is realized, and intelligent active discovery and efficient unified management of the data assets are realized.

The invention relates to a passivation efficacy test method, device and system, computer equipment and a storage medium, and the method comprises the steps: carrying out the dark-state volt-ampere test of a perovskite photovoltaic cell, obtaining the volt-ampere characteristic parameters, carrying out the fitting analysis through combining with the volt-ampere characteristic parameters, obtaining the diffusion current and generated current of the perovskite photovoltaic cell in a reverse bias state, and obtaining the passivation efficacy of the perovskite photovoltaic cell. Finally, the diffusion current and the generated current are combined for analysis and calculation, and passivation efficiency parameters representing the passivation efficiency of the perovskite photovoltaic cell in the current state can be obtained. Through the scheme, the passivation potency parameter of the perovskite photovoltaic cell can be analyzed and calculated by adopting a simple volt-ampere test mode without a complex algorithm, that is, the performance evaluation of the passivation material of the perovskite photovoltaic cell is realized, the evaluation algorithm is simple, and the calculation cost is greatly reduced.

The invention particularly relates to a miniaturized ultra-wideband high-efficiency phased-array antenna loaded with parallel plate couplers. The miniaturized ultra-wideband high-efficiency phased-array antenna comprises a plurality of columns of antenna sub-arrays, a combining network, a metal bottom plate and a radio frequency connector, each column of antenna sub-arrays comprises a plurality of metal oscillators; the metal oscillator is composed of a pair of index radiators, the inner side and the outer side of each index radiator are provided with index gradual change curves, and parallel plate couplers are loaded on the upper half portions of the left side and the right side of each index radiator in a mode of being perpendicular to the index radiators. The combining network is embedded between the antenna sub-array and the metal bottom plate; and the radio frequency connector is embedded in the metal bottom plate and is used for feeding the antenna sub-array. By loading the parallel plate coupler, the bandwidth of the antenna is expanded, miniaturization design is realized, cross decoupling grounding loading is adopted, balanced feed and deresonance design and antenna unit pure metal design are realized, integrated machining can be realized, secondary assembly is avoided, and the antenna has the characteristic of high-efficiency radiation due to ultra wide band, high power and high efficiency.

The utility model relates to the technical field of electroplating, and discloses electroplating equipment and a conveying mechanism thereof. The conveying mechanism comprises a shell, a first material opening, a conveying channel and a second material opening which are sequentially communicated are formed in the shell, and the second material opening is adjacent to and communicated with an electroplating bath of the electroplating equipment; the conveying device is installed in the conveying channel and used for conveying the materials from the first material opening to the second material opening, a water retaining assembly is arranged between the conveying device and the second material opening, and a passing gap allowing the materials to pass through is defined in the water retaining assembly; the suction knife assembly comprises a pump body, a liquid suction pipeline and a suction knife body, the suction knife body is installed between the conveying device and the second material opening and is adjacent to the water retaining assembly, and a water suction opening of the suction knife body is communicated with the passing gap. According to the utility model, by introducing the suction knife assembly and the design of dynamic communication between the suction knife assembly and the passing gap, the defects of the existing electroplating equipment conveying mechanism in the aspects of overflow liquid recovery, material pollution control, maintenance cost and the like are overcome.