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199results about How to "Avoid inconsistencies" patented technology

Whole blood donor low hemoglobin delayed blood donation risk prediction method

The invention provides a whole blood donor low hemoglobin delayed blood donation risk prediction method, which comprises a data normalization and abnormal value processing module, a classification feature coding module, a category balance and model fitting module, a hyper-parameter adjustment module and a model interpretation and deployment module. According to the prediction method provided by the invention, data normalization and targeted feature coding are carried out on blood donation records and hemoglobin detection data, an SMOTE oversampling algorithm is used for class balance and then fitting of a Light GBM model is carried out, and a Hyperband hyper-parameter adjustment method is used for adjusting and optimizing SMOTE and Light GBM parameters. And storing the tuning model for feature importance interpretation, model packaging and network deployment, thereby realizing the effects of optimizing the whole blood donor invitation strategy and enhancing the continuity and stability of blood supply.
Owner:ZHEJIANG PROVINCIAL BLOOD CENT

Visual detection optimization method and system based on data set classification

The invention discloses a visual detection optimization method and system based on data set classification. The method comprises the steps of introducing a scene classification label and carrying out standardization processing on scene features in a data set labeling and preprocessing stage, and carrying out scene classification multi-task learning in a model selection and training stage, so that a model dynamically adjusts feature learning in different scenes, and the multi-scene adaptive capacity is improved. And in the model evaluation and verification stage, scene-based hierarchical evaluation is introduced and corresponding optimization is carried out. In the model deployment and reasoning stage, a dynamic scene is introduced to adapt to reasoning, and the reasoning path of the model is dynamically adjusted to adapt to the characteristics of the scene, so that the reasoning accuracy is improved. In the later optimization, scene feature clustering and transfer learning are used, and the multi-scene performance of the model is optimized. According to the method, under the condition that the model is not jointly trained through multiple data sets, the multi-scene adaptive capacity of the visual detection model is improved through data set classification.
Owner:BEIJING INST OF TECH +1

OCR (optical character recognition) method and system for PCB (printed circuit board) component printing and silk-screen printing

The invention relates to the technical field of printing and silk-screen identification, and particularly discloses an OCR (Optical Character Recognition) method and system for PCB (Printed Circuit Board) component printing and silk-screen. PCB images under visible light, near-infrared and ultraviolet light wavebands are acquired by utilizing a multispectral imaging technology, the visibility of characters is improved, and the interference of a high-reflection or shadow region is inhibited; the quality coefficient of the image is obtained by calculating the structural similarity of the image on different scales, and the quality coefficient is compared with a preset threshold value, so that a high-quality image is automatically screened out; the method comprises the following steps of: comprehensively analyzing each region by extracting contrast, brightness and sharpness data of a high-quality image, and determining and marking effective character regions; a dynamic time warping algorithm is adopted to calculate a deviation coefficient between an actual silk-screen characteristic and a design file characteristic, and whether a printing error exists in silk-screen or not is accurately recognized by comparing the deviation coefficient with a preset threshold value.
Owner:HUAYI INTELLIGENT EQUIP (HANGZHOU) CO LTD

Data interaction method of embedded virtualization platform based on shared memory

The invention provides a shared memory-based data interaction method for an embedded virtualization platform, which comprises the following steps of: dividing a shared memory area, including a management information area and a shared data area, initializing the management information area, including setting a magic number, configuring a mutual exclusion access flag and recording use information of the shared data area; acquiring a physical initial address of the shared memory, verifying the availability of the management information area, and ensuring that the management information area is correctly initialized; a proper data transmission mode is selected according to the data size, small data volume can be directly transmitted through an inter-core communication register, and large data volume is transmitted through a shared memory; the Szymanski algorithm is used to realize mutual exclusion access control, and the consistency of data is ensured; after data interaction is finished, if shared memory resources which do not need to be used any more need to be released, use information in the management information area is updated; and other related operation areas or virtual machines are notified according to needs, and state changes of data interaction are notified to the operation areas or the virtual machines.
Owner:THREE GORGES INTELLIGENT CONTROL TECHNOLOGY CO LTD

Vehicle-mounted audio picture presentation method, controller and computer readable storage medium

The embodiment of the invention relates to the technical field of vehicle-mounted display, and discloses a vehicle-mounted audio picture presentation method, a controller and a computer readable storage medium. The method comprises the steps of determining picture switching information in response to a picture switching operation received when a first screen presents a target picture, searching a second audio channel corresponding to device information of a second screen in a preset audio path library according to the picture switching information, determining a target screen and a target audio channel according to mirror image mode information, and displaying the target screen and the target audio channel. And controlling the target screen to present the target picture and the target audio channel to output the target audio data. According to the embodiment of the invention, the target audio channel can be flexibly selected to present the audio data in the multi-screen switching scene, and the mirror image mode information can be utilized to perform multi-screen simultaneous display or single-screen different display on the target picture and the target audio data of the target picture.
Owner:SHENZHEN PALM RUI ELECTRONICS CO LTD

Deep space exploration task level demand analysis method

The invention provides a deep space exploration task level demand analysis method, which comprises the steps of forming a task mission based on strategic planning, domestic and overseas trend development and engineering foundation; stage division and periodic task planning are carried out, benefit-related parties of the task are sorted, appeals of the benefit-related parties for the task are investigated, and a target system of the task is obtained based on task constraints; performing task scene analysis, task scene refinement, task capability analysis and task index analysis, and outputting a task capability system; carrying out capability clustering, capability index construction, system architecture design and system interface design to obtain a system architecture design model and a capability distribution model; and finally obtaining a deep space exploration task flow. According to the method, visual expression and analysis are carried out on deep space exploration mission and demands based on multiple views, initial design of deep space exploration mission tasks and system demands is achieved, then based on analysis of capability demands, a large system architecture is formed, initial logic design is completed, and finally a task-level demand model is formed.
Owner:MOON EXPLORATION & SPACE ENG CENT +2

Micro liquid flow dynamic weighing device and method

PendingCN119555171AImprove dynamic weighing accuracyreduce shockIndirect mass flowmetersLiquid mediumMechanical engineering
The invention provides a micro liquid flow dynamic weighing device. The micro liquid flow dynamic weighing device comprises a flow source, a liquid inlet pipe, a weighing container and a weighing module, the flow source outputs a liquid medium to the weighing container through the liquid inlet pipe; the weighing container is arranged on the weighing module; the device is characterized in that the weighing container is of an inner-outer double-cylinder structure, the liquid inlet pipe end is arranged in an inner cylinder, and the inner cylinder is filled with liquid in advance and is in a full cylinder state; after weighing is started, the flow source outputs a liquid medium to the inner cylinder through the liquid inlet pipe, and preset liquid in the inner cylinder overflows to the outer cylinder; and the weighing module reads the weight of the entering liquid. In the measuring process, the height of the liquid level contacted with the liquid inlet pipe is not changed, so that the influence of buoyancy correction, pressure fluctuation, surface tension change and the like caused by the change of the height of the liquid level is reduced, and the dynamic weighing accuracy is improved.
Owner:BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH

Sand blasting device suitable for circular workpiece

The sand blasting device comprises a sand blasting cabinet used for containing a treated workpiece, a movable groove allowing a sand blasting pipe to stretch into the cabinet body is formed in the upper end of the sand blasting cabinet, and a sand blasting pipe moving assembly capable of being connected with the sand blasting pipe to guide the sand blasting pipe to move is arranged beside the sand blasting cabinet. And a jacking rotating assembly which extends into the cabinet body and is used for bearing a treated workpiece is arranged below the sand blasting cabinet, so that the inner surface and the outer surface of the treated workpiece can be effectively treated. Through the arrangement of the sand blasting pipe movement assembly which specifically comprises the lifting assembly, the transverse moving assembly and the sand blasting pipe adjusting assembly and works cooperatively with the jacking rotating assembly, comprehensive and uniform sand blasting treatment on the inner surface and the outer surface of the circular workpiece is achieved, the treatment efficiency and consistency are remarkably improved, the low efficiency and inconsistency caused by manually holding a sand blasting gun by hand are avoided, and the working efficiency is improved. Compared with the prior art, the sand blasting device has the remarkable advantages that the sand blasting efficiency, quality and environment-friendly performance of the circular workpiece are remarkably improved.
Owner:ZHONGSHAN HAOCHEN TECH CO LTD

Data synchronization method and device, equipment and medium

The embodiment of the invention relates to a data synchronization method and device, equipment and a medium, and the method is applied to a second system comprising a service instance, and comprises the steps: obtaining a data updating message of a first system through the service instance, and obtaining a data identifier based on the data updating message; acquiring a distributed lock corresponding to the data identifier through the service instance; obtaining target to-be-synchronized data corresponding to the data identifier from the first system through the service instance based on preset business logic; wherein the target to-be-synchronized data is one of a plurality of to-be-synchronized data formed by updating at least one data table in the first system; and synchronizing the second system based on the target to-be-synchronized data through the service instance, and releasing the distributed lock after the synchronization is finished. According to the embodiment of the invention, the distributed lock mode is adopted to ensure that the data consistency is always kept in the data synchronization process, and the data reliability is improved.
Owner:BEIJING QIYI CENTURY SCI & TECH CO LTD

Control authority distribution system

The invention relates to the field of industrial control, and discloses a control authority distribution system which comprises an authority request module, an authority distribution module, an authority release module and a safety fault-tolerant module. The permission request module is used for collecting control permission requests of the operation terminals; the authority distribution module dynamically processes the requests according to an M / M / 1 queuing model, a game theory model and a Markov decision process, determines the priorities of the operation terminals, and adopts the game theory model to solve conflicts if a plurality of operation terminals request simultaneously; the permission release module automatically releases the control permission under the condition that the operation is completed or overtime; and the security fault-tolerant module verifies the consistency and security in the permission allocation process through a Byzantine fault-tolerant algorithm. According to the invention, the response speed of the system can be improved, the security of multi-terminal operation and the resource utilization efficiency are ensured, and strong fault-tolerant capability and stability are provided.
Owner:WUXI KUNTAI TECH CO LTD

Method and device for elegantly closing Pod based on Kubernetes, storage medium and program product

The embodiment of the invention discloses a method and device for elegantly closing Pod based on Kubernetes, a storage medium and a program product. The method comprises the following steps: creating a termination signal of a controller for monitoring Pod in real time; when the termination signal is monitored, detecting whether Pod needs to be closed gracefully or not; if so, removing the application server running in the Pod from an available server list of the management equipment; and monitoring a request state currently processed by the application server, and deleting the Pod after all requests are completed. According to the method, the service reliability and the user experience can be effectively improved in the Kubernetes environment by automatically and elegantly closing the process.
Owner:BEIJING QINGSONG YIKANG INFORMATION TECHNOLOGY CO LTD

Knowledge graph generation method and device based on word document and electronic equipment

The invention discloses a word document-based knowledge graph generation method and apparatus, and an electronic device, and relates to the field of data processing. The method comprises the following steps of: analyzing a target document to obtain a corresponding xml (Extensible Markup Language) file; the xml file is analyzed to obtain a first data structure, and the first data structure comprises a plurality of elements; in the first data structure, sorting the plurality of elements according to a preset sorting rule to obtain a second data structure; segmenting the second data structure by adopting a preset recursive function to obtain a plurality of entities and a relationship among the plurality of entities; and taking the plurality of entities as nodes of a preset knowledge graph, and taking the relationship among the plurality of entities as edges of the preset knowledge graph to obtain a target knowledge graph. According to the technical scheme provided by the invention, the document content is converted into the XML format for recognition and extraction, so that the accuracy of converting the document into the knowledge graph is improved.
Owner:BEIJING HUARONG XINNING TECH CO LTD

Intelligent teaching material generation method, device, equipment, product and system based on problem chain

The invention provides an intelligent teaching material generation method, device, equipment, product and system based on a problem chain, and the method comprises the steps: obtaining teaching task information which comprises the course content of a target course and a teaching target; calling a pre-trained large language model to generate a problem chain of the target course based on the teaching task information, and generating a teaching design of the target course based on the problem chain; wherein the question chain comprises a plurality of questions which are used for guiding students to learn the course content and achieve the teaching target and have the association relationship. The problem is intelligently generated through the large language model to solve the guided teaching design, the students can be guided to gradually and deeply learn, the learning interest of the students is stimulated, the teaching process is more orderly and coherent, the students are helped to form a systematic knowledge framework, and the learning effect is improved.
Owner:CHINESE ACADEMY OF EDUCATIONAL SCIENCES +1

Digital culture field abstract generation method, electronic equipment and storage medium

The invention relates to a digital culture field abstract generation method, electronic equipment and a storage medium, and particularly provides a digital culture field abstract generation method which comprises the following steps: acquiring vertical domain multi-modal data of a to-be-generated abstract; generating a first cross-modal label set corresponding to the multi-modal data; associating the first cross-modal label set to a digital culture domain knowledge graph; forming a conceptual entity set based on the digital culture domain knowledge graph; expanding the concept entity set according to a specified threshold value and granularity to obtain an expanded entity set, and updating the digital culture domain knowledge graph based on the expanded entity set; obtaining a second cross-modal label set based on the vertical domain multi-modal data, comparing the expanded entity set with the second cross-modal label set, and sorting the expanded entity set to obtain a sorted entity set; and generating an abstract text based on the sorted entity set and the updated digital culture domain knowledge graph.
Owner:CHINA DIGITAL CULTURE GRP CO LTD

Data asset management system and method

The invention relates to the technical field of data asset management, in particular to a data asset management system and method. The method comprises the following steps: acquiring a data asset information set from different data sources in real time and performing tag structure sub-column division to obtain data asset information tag description structured sub-columns, and meanwhile, performing time sequence creation synchronization processing and integrating and storing the data asset information tag description structured sub-columns into a data asset management database; performing use frequency and sensitivity evaluation analysis on each piece of data asset sub-information in the data asset management database, and performing data asset access utility evaluation analysis to obtain data access utility of each piece of data asset sub-information; and performing dynamic access right control and full life cycle management design on each piece of data asset sub-information in the data asset management database, and performing automatic management and report feedback recording to generate a data asset information management report. The transparency, safety and efficiency of data asset management can be improved.
Owner:GUANGDONG POWER GRID CO LTD +1

Government affair interface sharing method, system and equipment based on block chain technology and medium

The invention discloses a government affair interface sharing method, system and device based on a block chain technology and a medium, belongs to the technical field of government affair data sharing, and aims to solve the technical problem of how to conveniently call and supervise government affair interfaces. According to the technical scheme, the method comprises the steps that a data provider, a data manager, a data user, a first-level data sharing platform, a second-level data sharing platform and a third-level data sharing platform form a data sharing alliance chain, a block chain network is set up, and digital identity certificates are issued to the data sharing platforms and a service gateway at all levels; data sharing platforms and service gateways at all levels are added into a data sharing alliance chain in a node form by means of digital identities; and the block chain network shares and exchanges metadata data of each level of sharing platform interface through a channel, provides a data identity certificate for each service system accessed to the network, and realizes transaction verification and block generation.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Driving information fusion display method and system of vehicle-mounted central control and intelligent instrument

The invention provides a driving information fusion display method and system of a vehicle-mounted central controller and an intelligent instrument, and is applied to the field of data processing. According to the invention, through a preset data synchronization mechanism, the vehicle running state data, the navigation position data and the multimedia entertainment information can be synchronized to the viewing interface of the intelligent instrument and the vehicle-mounted central controller in real time, and the synchronization mechanism ensures the consistency of the data; the phenomenon of data inconsistency caused by transmission delay or different processing speeds of different systems is avoided, meanwhile, the interface layout can be reasonably optimized by judging whether the viewing interface can simultaneously accommodate various data, and if the interface cannot simultaneously display all data, the interface layout can be reasonably optimized by activating a preset data deployment format and rearranging and deploying the data. The limited display space is utilized to the maximum extent, and interface display better meeting the actual driving requirement can be provided for a driver through automatic detection and self-adaptive adjustment of the driving scene.
Owner:深圳市辂元技术有限公司

Time-triggered Ethernet scheduling generation and synchronization system based on hardware time axis construction engine

The invention relates to the technical field of time-triggered network communication, in particular to a time-triggered Ethernet scheduling generation and synchronization system based on a hardware time axis construction engine. According to the system, a time axis structure consistent with global synchronization time is constructed on a switch side through hardware, sending time and a sending sequence of a time trigger frame configured by a user are directly mapped into a resource occupation relation on a time axis, and scheduling window mapping, conflict detection and window shaping are completed on a hardware level; therefore, a deterministic scheduling table is generated; through a double-table storage and time alignment switching mechanism, undisturbed updating and synchronous effectiveness of the dispatch table between the switch and the end system are realized. Compared with a traditional scheme of generating a scheduling table depending on a software algorithm, the method does not need a complex scheduling solution process, supports manual controllable configuration of time-triggered frame scheduling, and improves the certainty, autonomy and engineering realizability of the system.
Owner:XIDIAN UNIV

Auxiliary device for evaluating thermal stability of chemical product

The utility model discloses a chemical product thermal stability assessment auxiliary device which comprises a container and a heating device used for heating the container, the outside of the heating device is movably connected with a movable rod, and the outside of the movable rod is provided with a rotating assembly used for chemical products. The rotating assembly comprises a tray arranged on the movable rod, a plurality of containing grooves formed in the tray and a second servo motor used for driving the tray to rotate, and a fixing assembly used for the chemical products is arranged outside the tray. The accuracy of thermal stability evaluation work is improved, chemical products can be automatically fixed and unfixed, and automatic operation can greatly simplify the operation process and reduce manual intervention, so that the working rhythm is accelerated, and the operation efficiency is improved.
Owner:GANSU RES INSTION OF CHEM IND GRICI

Multi-modal medical image segmentation method and device, computer device and storage medium

The application discloses a kind of multi-modal medical image segmentation method, device, computer equipment and storage medium, comprising: obtaining the multi-modal medical image of the same examinee and pre-processing and spatial registration;The target segmentation concept is standardized and analyzed to generate prompt;Using basic segmentation model obtains multiple candidate segmentation results of each modality;Constitute credibility gating model, assess the credibility score of each candidate result and carry out screening, obtain the credible instance of each modality;Establish the corresponding relationship between cross-modal credible instance to form instance group;Each instance group is executed evidence weighted fusion and conflict resolution, and the final segmentation result of each target is obtained;Output multi-instance segmentation result and corresponding instance-level uncertainty index.The application can effectively reduce the false detection and result fluctuation of basic model in multi-modal image, improve the consistency and reliability of cross-modal segmentation, and provide robust segmentation result for clinical screening.
Owner:ANHUI MEDICAL UNIV

A stepped linear cable tray automatic welding system and process

The present invention discloses an automatic welding system for a stepped linear cable tray, comprising a crossarm welding device, a tray side plate linear guide device, a first linear tray side plate, a second linear tray side plate and a plurality of tray crossarms; the crossarm welding device corresponds to the tray side plate linear guide device; the tray side plate linear guide device can guide the first linear tray side plate and the second linear tray side plate which are symmetrically parallel and side by side along the length extension direction, so that the crossarm welding device can be connected to the first linear tray side plate and the second linear tray side plate guided by the tray side plate linear guide device; the consistency of welding is guaranteed, and the problem of low consistency of manual welding is avoided.
Owner:JIANGSU WEIWU ELECTRICAL EQUIP CO LTD

Data synchronization method and apparatus, electronic device, and storage medium

Embodiments of the present application relate to the field of automatic programming, and disclose a data synchronization method and device, electronic equipment and a storage medium. The method comprises: receiving a synchronization instruction input by a user for data synchronization, and generating a data replication message; sending the data replication message to a data synchronization service, and determining whether the data synchronization service receives the data replication message to obtain a first determination result; when the first determination result is that the data synchronization service receives the data replication message, the data synchronization service calls a data replication service; the data replication message is parsed through the data replication service, and each change data in the data replication message is synchronized to each copy database. The technical scheme of the embodiments of the present application solves the technical problems of poor real-time performance and data inconsistency in the data synchronization method in the prior art, and realizes the technical problems of improving the real-time performance of data synchronization and avoiding data inconsistency.
Owner:CHINA CONSTRUCTION BANK

Building wall based on BIM

The utility model discloses a building wall based on BIM (Building Information Modeling). The building wall comprises a main body structure, an internal wall body and a monitoring component, wherein the main body structure serves as an external structural part of a building wall body and is used for fixing other parts and providing support; the internal wall body is fixedly arranged in the main body structure, serves as a functional layer of the building wall body and also plays a role in supporting the main body structure; and the monitoring component is used for monitoring the use stability. The wall body with the sound insulation and heat preservation effects is formed by orderly assembling the main body structure and the internal wall body, the construction time and cost are saved, the construction efficiency is improved, meanwhile, the integrated design ensures that the sound insulation and heat preservation performance of the building wall body is more reliable and balanced, and inconsistency or imperfection possibly caused by post-processing is avoided; besides, the stability and the sealing performance of the wall body are monitored through the monitoring component, so that use and installation of the wall body are guaranteed, and the practicability of the wall body and the building quality and value are improved.
Owner:CHINA RAILWAY 11TH BUREAU GRP CORP LTD

Coding device for waxy corn processing line

The utility model relates to the technical field of coding, and discloses a coding device for a waxy corn processing line, which comprises a base, a support frame and a support column are fixedly arranged on the base, a box body is fixedly arranged at the top end of the support frame, a motor II is fixedly arranged at the top end of the box body, and a threaded rod is fixedly connected to the output end of the motor II. And the threaded rod is in threaded connection with a sliding block. According to the device, the air cylinder is started to drive the connecting rod on the fixing block to rotate, the connecting rod rotates sequentially through the first rotating shaft, the first gear, the second gear and the second rotating shaft, and then the first limiting plate and the second limiting plate are driven to rotate, so that the positions of the first baffle and the second baffle are changed, and the time of each packaging bag can be delayed through work of the first baffle and the second baffle; and meanwhile, a second motor is started to drive a sliding block to move up and down in a sliding groove through a threaded rod, so that the coding mechanism is driven to move, the coding mechanism rotates to a proper position for coding, and the coding position is kept fixed and unified.
Owner:INNER MONGOLIA XINHE SELENIUM-RICH FOOD CO LTD

Data verification method, device, equipment and storage medium

The present invention relates to the field of data processing technology, and provides a data verification method, device, equipment and storage medium. The method can obtain the form to be verified and the generation time of the form to be verified according to the data verification request when receiving a data verification request; classify the form to be verified to obtain the form type of the form to be verified; obtain a reference form from a preset library based on the generation time and the form type; select a verification field corresponding to the form type; compare the form to be verified with the reference form based on the verification field; if the form to be verified is inconsistent with the reference form, the form to be verified is detected based on a preset change table to obtain a detection result, which can improve the efficiency of data verification. In addition, the present invention also relates to blockchain technology, and the detection result can be stored in the blockchain.
Owner:CHINA PING AN LIFE INSURANCE CO LTD

Target timing path acquisition method, electronic device and medium

The application relates to the chip technical field, in particular to a target timing path acquisition method, electronic equipment and medium, the method comprises the following steps: S1, generating an original label database and an original timing margin database based on original timing constraint information of chip design; S2, generating a search label database and a search timing margin database based on search timing path constraint information and the original label database; S3, determining a candidate search path endpoint based on the search label database, the search timing margin database and target user constraint information; S4, performing one or more operations of path pruning, deduction and filtering based on the search label database and the search timing margin database, and generating a candidate subgraph and a candidate original path by tracing back from the candidate search path endpoint; and S5, splicing the candidate original path and the corresponding candidate subgraph to generate a target timing path. The application improves the search efficiency and accuracy of the target timing path.
Owner:SHANGHAI UNIVISTA IND SOFTWARE GRP CO LTD

Heat-sealing and cold-cutting device of bag making machine for PE shrink bags

The utility model discloses a bag making machine heat sealing cold cutting device for PE shrink bags, which comprises a base, a cold cutting assembly and a storage assembly, the cold cutting assembly is positioned between two groups of support plates, the cold cutting assembly comprises a cold cutter, a second guide rod, a connecting rod, a cam and a motor, the output end of the motor is connected with the cam, and the cam is connected with the storage assembly. The outer side of the cam is connected with the connecting rod, two sets of second guide rods are arranged on the inner side of the supporting plate, the two sets of second guide rods are provided with the cold cutting knife in a penetrating mode, a pressing roller is arranged between the heat sealing knife and the cold cutting assembly, and a through hole is formed in the inner side of a stacking table in a penetrating mode; the negative pressure cavity is formed below the stacking table, and the exhaust fan is connected to the outer side of the negative pressure cavity. According to the PE bag hot-sealing device, hot-sealed PE bags can be pressed, positioned and adjusted, so that the situation that hot-sealing lines and cold-cutting lines of the PE bags are inconsistent is prevented, the situation that the shapes of the formed bags are not uniform is avoided, and the quality of the PE bags is improved advantageously.
Owner:CHONGYANG QUANHONG PLASTICS CO LTD

Efficient internal spline differential radial reciprocating grinding equipment

The invention relates to the technical field of gear machining, in particular to efficient internal spline differential radial reciprocating grinding equipment which comprises an equipment base, a cutter mounting mechanism and a workpiece machining mechanism. The tool mounting mechanism comprises a mounting base, a tool sliding block, a supporting base, a rotating shaft and a machining tool. The workpiece machining mechanism comprises a workpiece base, a workpiece sliding block, a fixing base, an axial workpiece driver, a radial workpiece driver and a workpiece rotation driver. The axial workpiece driver is used for driving the workpiece seat to move left and right along the axial sliding rail; the radial workpiece driver comprises a movable plate, a movable sliding block, a movable sliding rail, a side wing plate, a lead screw, a workpiece radial motor and a connecting lug; the workpiece rotation drive is used for driving the internal spline workpiece to complete rotation operation at a preset angle. According to the invention, the machining operation of axial reciprocating motion and radial feed grinding can be completed while grinding feed is performed between the forming grinding cutter and the internal spline of the workpiece, so that the purpose of grinding spline deformation fine trimming treatment is achieved, and the machining precision of the internal spline is improved.
Owner:HENAN RUIGE TRANSMISSION MASCH CO LTD

Vehicle track splicing method for long road section cross-camera target association matching

The invention provides a vehicle track splicing method for long road section cross-camera target association matching. The method comprises the following steps: acquiring an image including a target vehicle, and constructing a training image data set and a verification image data set; capturing a single-camera vehicle track by using a YOLOV5 model and a Kalman filtering algorithm; and splicing the cross-camera vehicle tracks by using a vehicle re-recognition algorithm. According to the invention, vehicle positioning and track splicing can be realized more accurately, and support is provided for vehicle motion mode analysis, traffic flow monitoring and abnormal behavior detection; a target vehicle can be quickly and accurately identified through a YOLOV5 model and a Kalman filtering algorithm, and target tracking is carried out on the vehicle; through coordinate conversion, the difference of visual angles is eliminated through a unified spatial reference system, and the error or inconsistency of image features is avoided, so that the positioning and the track of the vehicle can be more accurately spliced; and the vehicle is re-identified through a vehicle re-identification algorithm, so that the identification accuracy is ensured.
Owner:SUN YAT SEN UNIV

Blast furnace iron feeding management data processing system and method

The invention discloses a blast furnace incoming iron management data processing system and method. Comprising a data display module, a query module, an export module and a data operation module. The data display module is provided with a converter molten steel receiving display unit, a molten steel receiving team statistical display unit, a blast furnace incoming iron scrap display unit and a blast furnace incoming iron team statistical display unit; and the converter molten steel receiving and displaying unit is used for displaying detailed data received by the converter, wherein the detailed data comprises converter heat, blast furnace heat, time, ladle number, molten iron components and operation information. According to the invention, by integrating blast furnace incoming iron related data and intensively displaying various types of data on different pages, unified management of the data is realized. Meanwhile, convenient data entry, modification and deletion operation and efficient query and export functions are achieved, the time and labor cost of data management are greatly saved, and the data management efficiency is improved.
Owner:HUATIAN NANJING ENG & TECH CORP MCC +3