25results about How to "Reduce miss rate" patented technology

The invention provides a high-density RFID tag group scanning system based on a multi-antenna array and beam forming, and relates to the technical field of the Internet of Things. The system comprises a multi-antenna array, an RFID reader-writer, a beam forming unit, a signal processing unit, a feedback unit and a data management unit. Through a digital beam forming technology, the system dynamically adjusts the direction and width of a beam, and achieves the precise scanning of a target area. And in combination with real-time signal feedback, a density peak clustering algorithm and a gradient descent algorithm are adopted to optimize beam parameters, so that the recognition efficiency is improved. The system further utilizes an anti-collision algorithm to dynamically adjust frame parameters, and performs logic grouping based on spatial positions and type characteristics of tags, so that signal collision and missed reading rates are remarkably reduced. Meanwhile, the data management unit stores and outputs the label data in a classified mode, and intelligent management capacity is provided for multi-scene application.

An RFID tag interference solving method based on a density peak value clustering algorithm reduces signal interference between tags and improves reliability and identification precision of a system by dynamically adjusting priorities and time windows of RFID tags. The method comprises the following core steps: firstly, acquiring a label response signal through an RFID reader-writer; secondly, preprocessing the data, and removing noise and abnormal values; then, calculating the local density of the label signal, and identifying a density peak value region by using a clustering algorithm; then, reducing signal collision of tags in a high-density region by dynamically adjusting priorities and time windows of the tags in the region, and preferentially processing the tags; and finally, outputting a processed tag identification result. According to the invention, the problem of signal interference in a high-density RFID tag environment is obviously solved, the identification accuracy and the operation stability of the system are improved, and the method is suitable for various high-density tag application scenes.

The invention relates to a server test environment automatic monitoring method and system. The method comprises the following steps: acquiring various data in a test environment of a plurality of servers in a specified period, and dividing the data into a training set, a test set and a verification set; the method comprises the following steps of: acquiring various monitored server test environments, inputting the monitored server test environments into a server test environment monitoring model for training, testing and verifying, acquiring various data in the monitored server test environments in real time, inputting the data into the server test environment monitoring model, and outputting monitoring results of the monitored server test environments in real time through the server test environment monitoring model. And the server obtains abnormal information according to the monitoring result, obtains an abnormal position and an abnormal severity degree of the monitoring test environment based on the abnormal information according to whether the abnormal information needs to be processed or not, analyzes an abnormal solution according to the abnormal position and abnormal data, and processes the abnormality based on the obtained abnormal solution. The server test environment monitoring efficiency is effectively improved, and the missed test rate is reduced.

The invention provides an expander abnormity identification method and system based on a transformer substation patrol image, electronic equipment and a computer readable storage medium. The method comprises the following steps: acquiring the transformer substation patrol image; using a YOLOv11-Marge model used for expander position detection to carry out expander area detection on the transformer substation patrol image, and identifying and extracting an expander area image; performing expander defect detection on the expander area image by using a YOLOv11-Marge model used for expander defect detection; wherein the YOLOv11-Marge model used for expander defect detection is obtained after training of an expander defect expansion sample, and the expander defect expansion sample is obtained after expansion of the expander defect sample is carried out on the expander area image by using a diffusion model; and identifying and outputting the abnormal category of the expander. According to the method, the technical effects of effectively improving the defect recognition rate of the expander, reducing the missed recognition rate and enhancing the generalization performance of the model are achieved.

The present invention discloses an air-suction seeding device, including a seeding device housing, a built-in fan, a driving motor, a transmission intermediate wheel, a transmission internal gear, a transmission intermediate wheel bearing, a closed-wind grinding block assembly, a seeding disc and a seeding device cover. The air-suction seeding device described in the present invention has a shaftless design for the seeding device and a built-in fan. The seeding device housing is both a bellows of the fan and a negative pressure chamber of the seeding device. The motor directly drives the inner gear ring, so that it has a deceleration function. The air-suction seeding disc adopts a cup cover structure and is installed without a shaft. The seeding disc can seed forward and sideways, which solves the problem of matching with a CNC seeding host. The whole machine is easy to repair and maintain, the sowing mode is easy to change, the adaptability to the size and specific gravity of the seed grains is strong, and the advantages of reducing seed grain breakage and reducing the missed sowing rate are improved. The efficiency of farmland operations is improved, and the increase in crop yield and income is achieved, which is of great significance to the development of large-scale high-precision agriculture.

The invention belongs to the technical field of non-contact card reading performance, and discloses a debugging method for improving non-contact card reading performance, which comprises the following specific steps of: designing an antenna: according to the design of the shape of the antenna, the parameters of the antenna are related to the size of a coil, the number of turns, the width of the coil, the distance between the coils and the thickness of a PCB (Printed Circuit Board); inputting the size of the antenna, and adjusting the turn number N of the coil to obtain an inductance value; by optimizing antenna design, component parameter selection and matching circuit design, the application range of the system is widened, the stability and accuracy of card reading signals are improved, and the probability of misreading and misreading is reduced; by adjusting the external impedance, the EMC filter circuit and the like, the accurate control on the card reading field intensity is realized, and the consistency and reliability of card reading are improved; by adjusting the gain of the receiver and starting noise suppression measures such as AGC and Squelch functions, the noise level of the system is effectively reduced, and the card reading performance is further improved; a magnetic conductive protection measure is provided for the influence of a metal environment on the performance of the antenna.

The invention discloses a capsule endoscope system and method for positioning through an antenna matrix, and the system comprises a capsule endoscope, a receiving waistband, a data recorder, and an in-vitro work station. A vibration module, a main control board, a radio frequency module and a power module are arranged in a shell of the capsule endoscope. The receiving waistband comprises a waistband, a receiving antenna, a noise processing module, a position sensing module and a reflecting layer; the receiving antenna, the processing module, the sensor and the reflecting layer are all arranged between the two layers of structures of the waistband, the receiving antenna surrounds the waistband for one circle, and the periphery of the receiving antenna is comb-shaped; the noise processing module and the position sensing module are respectively connected with the receiving antenna through the FPC board; the reflecting layer is arranged along the circumference of the waistband; a spacing layer is arranged between the receiving antenna and the reflecting layer; a containing bag is arranged on the outer side of the waistband, and the data recorder is located in the containing bag on the outer side of the waistband. And the receiving waistband, the data recorder and the in-vitro workstation are connected in sequence. The method improves the inspection efficiency and accuracy, and is safe, reliable and stable.

The invention discloses a cache request processing method, equipment and a medium, belongs to the technical field of data processing, and is used for solving the technical problem that in the prior art, after the size of a cache line is reduced, a system needs to process a cache request more frequently, and the complexity and overhead of cache management are increased. The method comprises the steps that n block requests are combined into a total request, and n is a positive integer; determining whether a target data block corresponding to any one request in the total request is cached and hit; if the cache of the target data block is hit, obtaining cache data corresponding to the target data block from a cache; and if the target data block cache is missed, sending a missed request to the L2 cache, distributing a target cache space for the target data block in the L1 cache, and obtaining corresponding cache data from the target cache space. According to the method, the size of the cache line is reduced, the frequency of processing the cache request is reduced, and the complexity and overhead of cache management are reduced.

The invention relates to the technical field of gardening planting, in particular to a gardening seedling planter and method.The planter comprises a mounting frame, a seedling throwing part is mounted at the upper end of the mounting frame, a guiding part is arranged at the lower end of the mounting frame, a planting part is arranged at the lower end of the guiding part in a communicating mode, and a first frame is arranged on the right lower side of the planting part; three rectangular rods are arranged at the upper end of the first frame, the other ends of the three rectangular rods are slidably connected to the lower end of the mounting frame, the three rectangular rods are slidably connected with the front end, the rear end and the left end of the planting part respectively, a ditching part is arranged at the lower end of the mounting frame, and a folding part is mounted at the lower end of the mounting frame. According to the design, soil adhered to the outer ends of the three movable plates can be cleaned in time, the phenomenon of soil accumulation at the outer ends of the movable plates is effectively avoided, the probability that a large amount of soil at the edge of a planting pit is lost is effectively reduced, the probability that roots of planted seedlings are not completely buried is effectively reduced, and the planting effect is effectively guaranteed.

The invention relates to a precision sowing seed-metering device, a seed cleaning adjusting method, equipment and a readable storage medium, and belongs to the technical field of agricultural machinery. The seed-metering device comprises a shell, an air inlet pipe is arranged on the shell, and a sensor is arranged on one side of the shell; a control module, a main electric driving module, a seed disc connected with the main electric driving module, a seed cleaning motor driving module and a seed cleaning module connected with the seed cleaning motor driving module are arranged in the shell; the sensor is used for determining seed metering information of the seed metering device based on a preset statistical rule, the seed metering information comprises a re-seeding rate and a miss-seeding rate, and the seed metering information is sent to the control module; the control module is used for generating an adjusting strategy of the seed cleaning motor driving module based on the seed metering information of the seed metering device and a set seed metering strategy; and the seed cleaning motor driving module is used for adjusting the seed cleaning module to be in contact with the seeds at the seed disc based on the adjusting strategy and performing arrangement adjustment on the seeds in the seed disc. According to the invention, intelligent control of the seed-metering device is realized, and the accuracy of seeding is improved.

The present application relates to the technical field of seeding, in particular to a kind of air blowing seed disturbing type air suction type peanut seed metering method, comprising the following steps: seed enters seed chamber mechanism, the strain signal of corresponding detection area is collected by strain gauge, and the equivalent pile seed pressure response value of each detection area is constructed;The strength index, bias index and growth index of various piles are calculated;The target rotation angle of corresponding jet head is calculated, and the target jet frequency of corresponding jet head is calculated;The target rotation angle is converted into the rotation pulse number and rotation angle of corresponding motor, and the directional seed disturbing of jet head is driven to aim at corresponding seed pile position, so that seed is in suspended state;When seed suction mechanism carries peanut seed from negative pressure area to non-negative pressure area, peanut seed realizes seed dropping.This application detects the state of seed pile by strain gauge, realizes the automatic adjustment of jet head rotation angle and jet frequency, so that jet seed disturbing can actively aim at seed gathering area and implement directional disturbance, improve seed metering accuracy.

The utility model discloses a kind of seed metering device with arc flow guide plate, it is related to agricultural production equipment technical field.Seed metering device includes front shell, arc flow guide plate, seed metering disc, rear shell and connecting shaft, arc flow guide plate, seed metering disc and rear shell are sequentially connected by connecting shaft, arc flow guide plate includes fixed seat, arc flow guide rod and circular flow guide piece, one end of arc flow guide rod is connected with fixed seat, the other end of arc flow guide rod is connected with circular flow guide piece;Seed metering disc is provided with several evenly distributed composite holes.In the utility model, when arc flow guide plate rotates, it exerts certain circumferential thrust and radial pressure on inner layer population, and is transmitted to outer layer population from inside to outside, so that the population of entire filling seed area moves violently, thereby increasing the filling force and relative movement speed of the seed to be filled above composite hole.The arc flow guide plate of the utility model can effectively avoid seed damage compared with existing straight line flow guide plate, and effectively improve filling effect under high-speed operation.

The present invention discloses a CXL bias management method based on cache software and hardware coordination, which is used to optimize memory access and cache consistency management in a computer system. It includes providing a CXL device, which includes a CXL.mem interface, a CXL.cache interface and a bias management component. The bias management component is composed of a request parsing module, a command queue, a bias cache, a device processor and a register module. The request parsing module is responsible for parsing the CXL.mem request, and the device processor dynamically adjusts the bias state according to the state of CXL.cache. The bias cache control module manages the cache through the least used strategy LRU, improves the cache hit rate, and reduces the response delay. Through a management method combining software and hardware. The present invention can significantly improve the system response speed, reduce power consumption, and optimize resource utilization under high load and complex scenarios, and further improve the performance and stability of the system.

The invention belongs to the technical field of agricultural machinery, specifically a potato missed seeding machine that can achieve high efficiency, precision and low missed seeding, which includes: a fixed frame, a fertilizer device, a granular medicine sowing device, a reseeding device, a seeding device, a missed seeding detection device, a rotary tillage and ridging device, a weeding and spraying device and a film covering and soil covering device. There is a crossbeam in front of the two fixed frames, a suspension frame is installed on the crossbeam, a fertilizer trenching shovel is installed in the middle of the crossbeam, and a walking wheel is installed on each of the two fixed frames. A rotary tillage and ridging device is installed behind the fixed frame, and a drip irrigation belt laying device and a film covering and soil covering device are arranged behind the rotary tillage and ridging device. The potato missed seeding machine that can achieve high efficiency, precision and low missed seeding has a compact mechanical structure, a simple structure, and stable operation, which realizes the precise sowing of potatoes and reduces the missed seeding rate.

The invention relates to the field of DNA synthesis, in particular to a DNA synthetic matrix, a DNA synthetic matrix capable of avoiding cross contamination and a preparation method and application of the DNA synthetic matrix. Compared with a synthetic matrix of a carrier with DMT protection, the DNA synthetic matrix capable of avoiding cross contamination provided by the invention has the advantages that a deprotection reagent does not need to be added in the first-step synthetic reaction, the operation is convenient, and the dosage of the reagent is saved. Secondly, according to the DNA synthesis matrix capable of avoiding cross contamination, provided by the invention, high-strength DMT removal is performed on a sample adding site before synthesis, and by adopting the DNA synthesis matrix capable of avoiding cross contamination, the accuracy of DNA synthesis can also be improved, and the probability of N-1 and N-2 deletion of a synthesized gene sequence can be reduced.

The positive pressure air delivery high-speed precision seed metering device belongs to agricultural machinery; a positive pressure air inlet and a seed inlet are opened on the right shell body, an adjusting baffle, a seed metering tube, a driving shaft, an arc-shaped seed return plate, an inoculation tube and a seed holding slot plate are installed on the right shell body, a seed filling and discharging disk with a seed filling and discharging through hole and a seed stirring slot is fixedly installed on the driving shaft through a driving seat, a seed cleaning wheel is equipped on the right shell body through a main shaft A, B and an active frame with active racks A, B and a secondary shaft A, B and a driven frame with driven racks A, B and a connecting plate, a pressure relief wheel and a rod-type seed top wheel are installed on the left shell body provided with an exhaust port, and the left shell body and the right shell body are fixedly installed as a whole; the device adopts a positive pressure airflow to complete the structure of positive pressure forced seed filling, positive pressure airflow forced stirring of seed pile and positive pressure airflow forced seed delivery, which solves the technical problems of negative pressure air suction seed metering devices, has a novel, unique and reasonable structure, low power consumption, high seed filling rate, low missed seeding and hole rate, good seeding uniformity and precise grain spacing.

The invention relates to the technical field of enterprise data management, and discloses a data analysis and management method. The method comprises the following steps: acquiring data from an enterprise multi-source database, and preprocessing through a rule engine to generate a standardized business data set; constructing a business characteristic spectrum with a weight, and fusing multi-source data to form a global data model; training a prediction model based on the time series data to carry out anomaly detection; generating a multi-target resource scheduling scheme in combination with the service rule and the optimization strategy; outputting a multi-dimensional decision report through a visualization engine and monitoring a service state; and finally, dynamically optimizing the data model according to an evaluation result. According to the method, intelligent integration and dynamic optimization of enterprise multi-source data are realized, the accuracy of business decision and the resource utilization efficiency are remarkably improved through feature map construction and a multi-target scheduling strategy, and meanwhile, the method has real-time abnormity early warning and model self-optimization capabilities and provides comprehensive data support for enterprise operation.

The present invention discloses a multi-granularity cache management system applied to GPGPU, which belongs to the field of cache management technology. The technical problem to be solved is how to dynamically adjust the cache granularity according to the memory access mode and improve the performance of GPGPU in processing irregular memory access mode applications. It includes: a label decoding module, which is used to generate a matching label for the address information specified in the original label; a label management module, which is used to adjust the block label based on the current cache granularity and the data size specified in the original label to obtain the processed block label; a hit judgment module, which is used to search for the corresponding block label from the block label array based on the data address, and compare and match the searched block label with the processed block label; a hit recording module, which is used to judge whether the current granularity meets the requirements based on the hit information; and a granularity controller, which is used to adjust the current cache granularity.

The invention discloses an intelligent checking vehicle control system and checking method for a stereoscopic warehouse, and the system comprises a four-direction moving chassis, a data processing and transmission module, a power supply and battery management module, and an ultrahigh frequency RFID recognition system. The ultrahigh-frequency RFID identification system comprises an antenna array consisting of four groups of ultrahigh-frequency antennas of which the angles can be independently adjusted, and an RFID reader-writer connected with the antenna array; the four-way mobile chassis is in communication connection with a path planning and navigation module, and the path planning and navigation module plans a driving path for the four-way mobile chassis based on a pre-established warehouse digital twin model and sensor data; a charging contact of the autonomous charging module is arranged on the four-direction moving chassis; the data processing and transmission module is in communication connection with the ultrahigh frequency RFID identification system, the path planning and navigation module and the autonomous charging module; and the power supply and battery management module supplies power to the system. The problems that in the prior art, efficiency is low, recognition is limited, and algorithm adaptability is poor are solved.

The present invention discloses a continuous automatic unloading automatic resistance welding device, comprising a workbench, a feeding mechanism, a welding mechanism, a cutting mechanism, a pressing mechanism, a positioning mechanism and a pulling mechanism; the feeding mechanism is arranged on one side of the workbench, and the welding mechanism, the cutting mechanism, the pressing mechanism, the positioning mechanism and the pulling mechanism are fixedly arranged on the workbench in sequence from the feeding mechanism to the other side. The continuous automatic unloading automatic resistance welding device can greatly reduce the errors caused by manual operation by automatically unwinding and automatically welding, and greatly improve the production efficiency; at the same time, it reduces the missing rate of surface treatment products, and the quality of continuous metal terminal surface treatment products can be greatly improved, thereby reducing the surface treatment production cost of continuous metal materials.

The invention discloses a method for identifying nameplate text information of power equipment, and relates to the technical field of image processing. The method comprises the steps of obtaining a multi-angle image of a target nameplate, and performing gray level conversion to obtain a plurality of gray level images; performing perspective transformation on the inclined grayscale image to obtain a front image; performing strong light detection on the front image to obtain a strong light area; according to the strong light area, fusing the plurality of front images to obtain a fused image; taking the fused image after binarization processing as input of a pre-trained text recognition model to obtain text information; and inputting the text information into a preset template to generate nameplate identification information. Through a series of preprocessing steps of gray level conversion, perspective transformation, strong light detection, image fusion, binarization processing and the like, the image quality is remarkably improved, the influence of strong light on the recognition effect is effectively reduced, the false recognition rate and the missed recognition rate are effectively reduced, and the recognition accuracy is improved.

The invention provides a hierarchical storage and duplicated data deletion method and system. The method comprises the following steps: monitoring feature information of each file; historical feature information and historical layering levels of the files in the last period are obtained, the intelligent layering model is trained and updated, and an intelligent layering classifier is obtained; obtaining target feature information of the files in the current period, and predicting a target hierarchical level corresponding to each file; and querying the data blocks of each file, deleting repeated data blocks, and migrating the remaining data blocks of each file to the corresponding storage layer. The model complexity is low, the training time is short, the layering effect is good, and the layering efficiency is high. The files are reasonably layered, so that the missing rate of data access and the delay of data access are reduced; cross-layer data redundancy is eliminated through global repeated data deletion, and the storage space is further saved; moreover, the method can update the training model according to the changed workload, is suitable for different access modes, and is high in expansibility.

The present invention provides a seeding device with a secondary seeding function, which includes a seeding mechanism and a seeding guide part. The seeding mechanism includes a seeding device housing with a cavity formed inside, a seeding wheel pivotally provided in the cavity, a seed cleaning brush fitted on the outer circumference of the seeding wheel, the seeding wheel and the seed cleaning brush separate the cavity into an upper cavity and a lower cavity, and a plurality of holes for accommodating seeds are constructed on the outer circumference of the seeding wheel. The seeds in the upper cavity rotate with the seeding wheel and are scraped by the seed cleaning brush, so that only the seeds accommodated in the holes fall into the seed groove. The seeding guide part is arranged below the seeding device housing, and a seed blocking plate that can be opened and closed by the rotation drive of the seeding wheel is pivotally provided at the bottom end of the seeding guide part, so that after the seeds fall above the seed blocking plate, the seed blocking plate is intermittently opened to form a secondary seeding of the seeds. The seeding device with a secondary seeding function of the present invention can improve the accuracy of seeds falling into the seed groove, thereby ensuring the consistency of the adjacent plant spacing.

The invention belongs to the technical field of machining equipment, and relates to a mechanical watch part heat treatment conveying frame which comprises a part supporting box, an extension pipe, a vertical pipe, a supporting plate, a conveying assembly and a lifting assembly. And the horizontal moving assembly is used for driving the supporting plate to move horizontally, so that the mechanical watch parts move orderly in the cooling medium, and the mechanical watch parts are cooled more uniformly. According to the mechanical watch part cooling device, mechanical watch parts can be in protective gas in the whole conveying process after being heated, the mechanical watch parts are sequentially placed into a cooling medium through the lifting assembly, then the mechanical watch parts are driven by the horizontal moving assembly to sequentially move in the cooling medium, the mechanical watch parts are cooled more uniformly, and the cooling efficiency is improved. Therefore, on one hand, surface oxidation of the mechanical watch parts is avoided, on the other hand, part bending caused by non-uniform cooling of part of the mechanical watch parts is avoided, the yield of the mechanical watch parts is improved, and the production cost of the mechanical watch is reduced.