28 results about "Database design" patented technology

The invention discloses a machine learning driven vehicle frame lightweight design method, which comprises the following steps: (1) performing vehicle frame parametric modeling in CATIA, constructing a vehicle frame modal analysis model and a stiffness analysis model in ABAQUS, and deducing a mathematical model of vehicle frame lightweight design; (2) performing Latin hypercube sampling and discrete Gaussian sampling on continuous and discrete parameters to generate a frame population, and establishing a database; (3) designing a variable type driven hybrid variation mechanism to obtain a candidate frame population; (4) constructing a radial basis function machine learning model, and deducing a comprehensive minimum statistical lower limit function to screen an optimal candidate frame; and (5) performing parametric modeling and simulation analysis on the optimal candidate frame, updating the frame population and the database, returning to the step (3) until the optimal frame meets the design requirement, and outputting the optimal frame. According to the method, adaptive variation strategies and screening functions are designed according to the vehicle frame parameter characteristics, and the vehicle frame lightweight design effect is good.

The invention provides a geological map three-dimensional visualization method and system based on a database technology, and belongs to the field of geological map visualization. The method focuses on geological map resources, deeply fuses spatial information and attribute information of the geological map, designs a geological map three-dimensional coordinate system based on geological age strata, designs a geological map three-dimensional space data and attribute data storage structure, and provides a relatively effective solution for multi-modal geological resource association. The geological map resources and associated data thereof are systematically stored and managed through a database, the geological map resources are standardized and efficiently integrated, and the innovative purpose of effectively supporting true three-dimensional visualization expression and analysis of geological elements is achieved by relying on a three-dimensional visualization platform. The geological map three-dimensional visualization method based on the database technology comprises the following steps: step (1), data and association thereof; step (2), data processing; step (3), database design; step (4), application; multi-modal geological data is stored based on a database, and a geological map three-dimensional visualization platform is built in combination with a three-dimensional visualization engine.

The invention discloses a transformer substation-oriented multi-source heterogeneous data checking method and system. The method comprises the following steps of obtaining various types of data sources, executing a preliminary data cleaning process and outputting standardized data; aiming at database systems of different manufacturers, designing a customized migration tool for each database; extracting specific attribute information contained by the special domain analysis module by constructing the special domain analysis module; sequentially verifying the source database and the target database by adopting a progressive consistency verification strategy, and recording data difference information detected in each stage; a change rationality verification module is configured to analyze an SCD file of the transformer substation, and change rationality judgment is performed on difference items from a source database to a target database; performing unified modeling and graphical display on the obtained difference information through a difference data visualization module; according to the method, the data consistency and correctness in the upgrading and transformation process of the transformer substation monitoring system database are comprehensively verified, so that the stability and the operation reliability of the system are improved.

The invention provides a rapid detection method for degradation performance of degradable plastics, and relates to the technical field of degradable plastics. The rapid detection method for the degradation performance of the degradable plastic specifically comprises the following steps: S1, establishing an auxiliary database; s2, designing rapid separation and purification; s3, using a Fourier transform infrared microscope; s4, detecting by using activated vermiculite; s5, debugging, and performing rapid separation and purification; and S6, combining the biodegradation rate and the heavy metal index. The rapid detection method for the degradation performance of the degradable plastic is very high in detection accuracy and reliability, supports a sustainable development policy and an ecological environmental protection target, and provides powerful technical support for improvement of the detection capability of enterprises in the industry.

The present disclosure involves systems, software, and computer implemented methods for improved design and implementation of data access metrics for automated physical database design. An example method includes identifying a database workload for which index advisor access counters are to be tracked. Each SQL statement in the database workload is executed. For each SQL statement, attribute sets are determined for which a selection predicate filters a result for an SQL statement. An output cardinality of each selection predicate is determined. A logarithmic counter for an attribute set corresponding to the selection predicate is determined based on the output cardinality of the selection predicate. The determined logarithmic counter is incremented. Respective values for logarithmic counters of the determined attributes are provided to an index advisor. The index advisor determines attribute sets for which to propose an index based on the logarithmic counters of the respective attribute sets.

The application discloses a kind of thermal power plant double-layer cost decision optimization method and device, belong to thermal power plant cost optimization field.Therein method includes: establishing auxiliary database;According to auxiliary database design minimum coal purchase / stock cost function, calculate the lowest standard unit price of entering furnace, construct double-layer cost decision optimization model;According to the characteristics of double-layer cost decision optimization model, by McCormick-KKT is converted into single-layer model, by MATLAB is solved, obtains the optimal cost of base model;According to the optimal cost of base model, determine the expected cost, build IGDT model into different risk attitudes, to obtain risk decision optimization and robustness decision optimization;According to risk decision optimization and robustness decision optimization, calculate risk robustness-cost curve.The application overcomes the problems existing in the prior art, such as the cost optimization technology being difficult to perceive future coal spot market fluctuations, being mostly local static optimization, and having a narrow decision-making perspective.

This invention belongs to the interdisciplinary field of sensor design and artificial intelligence, specifically a sensor design method that proactively adapts to the application environment. This invention employs an active learning approach, actively selecting the most informative samples from unlabeled data for labeling, thereby maximizing model performance with less data acquisition. Compared to traditional methods of multiple sensor fabrications, active learning dynamically assesses the uncertainty or representativeness of data samples during model training, prioritizing data points that have the greatest impact on the model's decision boundaries and the strongest performance improvement potential. This method is not only applicable to a single type of sensor chip, but its database design and algorithm model are compatible with various material systems (including organic / inorganic, flexible / rigid, etc.), and can achieve rapid adaptive modeling and parameter recommendation for different application scenarios through transfer learning, demonstrating good scalability and versatility.

The invention belongs to the technical field of aeronautical manufacturing and assembly detection, and relates to a rapid intelligent identification method and system for an aeronautical assembly on-machine operation tool. The method comprises the steps that an aviation assembly on-machine operation tool image database is constructed, a tool recognition-oriented instance segmentation neural network model is designed, and the neural network model can recognize tool type feature information of on-machine operation tool images; training the instance segmentation neural network model by using a computer operation tool image database to obtain a primary computer operation tool recognition model, and processing the primary computer operation tool recognition model through a neural network distillation algorithm and a single-step rapid pruning algorithm to obtain a lightweight computer operation tool recognition model; the method comprises the following steps: acquiring a machine operation tool image in real time, performing instance segmentation on various tools in the image by utilizing a light-weight machine operation tool identification model, and marking various tools on the image by utilizing different colors to obtain a marked machine operation tool image.

According to some embodiments, methods and systems can be associated with a cloud computing environment. A workload prediction framework can receive observed workload information associated with a database (e.g., a database as a service (“DBaaS”)) in the cloud computing environment. Based on the observed workload information, a statement arrival rate (“SAR”) prediction can be generated. Further, a host variable assignment prediction can be generated based on the observed workload information. The workload prediction framework can then automatically create a workload prediction for the database using the SAR prediction and the host variable assignment prediction. A physical database design advisor (e.g., a table partition advisor) can receive the workload prediction and, in response to the workload prediction, automatically generate a recommended physical layout for the database (e.g., using a cost model, a current physical layout, and an objective function).

The invention discloses a geographic entity construction method based on a framing topographic map. The method comprises the following steps: performing quality inspection on original topographic map data, removing data with unqualified data quality, unifying a data space coordinate system and an elevation reference, executing a storage operation, and integrating multiple pieces of standard framing stored topographic map data into an SQLite database; designing all data layers and attribute fields of the geographic entity, establishing a conversion rule comparison table from the original topographic map elements to the target geographic entity, and performing data category conversion; analyzing attribute information of geographic entity categories, extracting data from the SQLite database according to an entity attribute similarity principle, and obtaining a data set of line elements and surface elements with the same basic attributes; aiming at the line element set and the surface element data set, carrying out spatial data fusion by setting tolerance parameters, and combining lines or surfaces with similar attributes and adjacent spaces into a complete geographic entity; and performing element integrity, logic consistency, topology error check, spatial precision and attribute check on the constructed geographic entity data. According to the method, the overlapping and gap problems among the vector data are intelligently processed based on the attribute consistency and the spatial proximity, the geographic entity production efficiency is improved, and the labor cost is reduced.

This invention proposes a database design method and system for mimicking executors, comprising: designing a database for a mimicking system including a database client and a baseline database, and placing an adjudicator at the back end of the database; the database client interacts with each online executor to obtain the database of each online executor, obtain the data tables under the database, obtain the content of the data tables, and finally send the obtained data to the adjudicator; the adjudicator adjudicates the database, data tables, and database tables, and updates the baseline database with the data of the successful adjudication; when the adjudicator detects abnormal database content, it notifies the scheduler to clean the executor or schedule a new executor to come online; based on the baseline database, the scheduler restores the database content of the executor to be cleaned; the scheduler retrieves data from the baseline database to synchronize the data of the newly online executor.

The invention belongs to the technical field of aviation engineering design, and discloses an aircraft hidden fault indication recording system and an alarm database design method.The aircraft hidden fault indication recording system comprises a plurality of sensors used for feeding back state parameters of an aircraft in real time, and the state parameters comprise voltage, current, vibration, frequency, Hall, displacement, temperature and humidity; the at least one processing unit is used for receiving the state parameters of the sensor and external system data so as to realize a system design expected function; the at least one resident application is used for synthesizing the abnormal state of the whole aircraft based on the feedback data of each processing unit and the sensor data, then giving out comprehensive judgment and feeding back possible hidden faults; wherein the system is composed of the sensor, the processing unit and the resident application according to the complexity of cross-linking of the aircraft system. According to the invention, the problem that the existing hidden fault of the airplane is difficult to position and troubleshoot is solved, so that the hidden fault of the airplane is quickly positioned and troubleshot.

The invention relates to the technical field of aircraft testing, and particularly discloses a management method and system for test flight / test data recharge. The system comprises a user application layer, a business layer and a storage layer, wherein the user application layer provides project configuration, data management and visualization functions; the business layer is responsible for data acquisition, analysis, assignment and recharge scheduling; the storage layer is used for storing test data and project configuration. The method comprises the following steps: configuring a recharge project and binding a signal relationship, extracting data from a flight test file or a local database and carrying out time alignment and analysis, generating to-be-recharged data through formula calculation, and finally recharging the to-be-recharged data to a simulation system through a network or a reflective memory card. Through unified configuration management, dynamic header file analysis, tree dragging and binding and multi-layer database design, standardization and reproducibility of a data recharging process are realized, simulation verification efficiency is remarkably improved, script writing cost is reduced, and an environment building period is shortened.

The invention provides an intelligent road emergency plan deduction method, system and device and a medium, and belongs to the technical field of intelligent traffic. The method comprises the following steps: constructing a multi-source heterogeneous emergency database by collecting traffic knowledge, road historical data, real-time data and resources; a rule engine is designed based on the multi-source heterogeneous emergency database, a pre-arranged plan intelligent generation model is built in combination with a recurrent neural network model, and the model receives input event features and outputs an emergency pre-arranged plan; a visual deduction scene is constructed based on a three-dimensional WebGIS engine, and weather special effect simulation is realized by using a GLSL shader technology; performing visual mapping and simulation on the emergency resources and the emergency plan in the visual deduction scene; and event parameters input by a user are received, the intelligent plan generation model is called to obtain an emergency plan, and full-process dynamic deduction from event occurrence to disposal completion is completed in the visual deduction scene.

The application discloses a data tracing method and device, relates to the technical field of computers, and solves the problems of low efficiency of manual participation in the early stage of the current data tracing process and unnecessary overhead caused by tracing redundant fields or reserved fields in a database due to a database design problem. The data tracing method comprises the following steps: acquiring a data packet image of a network device, analyzing the data packet image, determining structured data of the data packet image, and generating tracing data of the network device according to header data.

The invention discloses a product prototype identification and automatic code generation system based on an AI large model and an RAG, and relates to the technical field of software engineering, and the system comprises a product prototype intelligent identification and semantic analysis module which employs a multi-mode large model to receive and analyze a product prototype so as to extract key semantic information; and the project private knowledge base and RAG retrieval module is used for constructing a management project private knowledge base and retrieving related knowledge fragments according to query contents through a retrieval enhancement generation technology to perform context enhancement. According to the product prototype recognition and automatic code generation system, the product prototype is intelligently analyzed, and the database table structure and the basic code meeting the project specification are automatically generated, so that the time investment of programmers on demand understanding, database design and basic coding is greatly reduced, the system utilizes the understanding and generation capability of the AI large model, and the product prototype recognition and automatic code generation can be realized. And in combination with accurate knowledge retrieval of the RAG technology, the problems of knowledge islands and consistency in the traditional development process are effectively solved.

The application relates to the technical field of process flow database construction, and relates to a process flow database construction method based on super junction MOSFET preparation, which comprises the following steps: confirming super junction MOSFET process flow knowledge, obtaining database design specifications according to the super junction MOSFET process flow knowledge, establishing an automatic data acquisition interface, constructing a database framework according to the automatic data acquisition interface and the database design specifications, confirming a set of to-be-simulated process parameters, obtaining a set of associated data based on the set of to-be-simulated process parameters and the database framework, constructing an optimized forward prediction machine learning model and an optimized reverse design machine learning model according to the set of associated data, and completing the process flow database construction based on the super junction MOSFET preparation based on the optimized forward prediction machine learning model and the optimized reverse design machine learning model. The application can improve the optimization efficiency of the preparation process and the consistency of the data.

This invention provides an intelligent early warning method and device for urban extreme weather disasters based on data-physical fusion, relating to the fields of meteorological disaster simulation and artificial intelligence decision-making technology. The method includes: simulating windstorms and floods in a target city to obtain numerical simulation feature vectors; processing historical contingency plan texts to obtain contingency plan text vectors; constructing a vector database containing extreme disasters in the target city; designing a retrieval-enhanced generative agent, a disaster assessment agent, a report summarization agent, and a meteorological disaster dialogue agent, and constructing a multi-agent loss reduction decision-making big language model based on an agent scheduling framework; and generating customized loss reduction decision schemes for specific disaster scenarios by combining the vector database with the multi-agent loss reduction decision-making big language model. This invention solves the problem of transforming meteorological forecast information into accurate decision-making, realizing the transformation from single meteorological parameter forecasting to scenario-based loss reduction decision support, and significantly improving the intelligence level of urban disaster early warning.

The present disclosure provides an extreme ultraviolet (EUV) lithography system including a radiation source and an EUV control system integrated with the radiation source. The EUV control system includes a 3-dimensional diagnostic module (3DDM) designed to collect a laser beam profile of a laser beam from the radiation source in a 3-dimensional (3D) mode, an analysis module designed to analyze the laser beam profile, a database designed to store the laser beam profile, and an EUV control module designed to adjust the radiation source. The analysis module is coupled with the database and the EUV control module. The database is coupled with the 3DDM and the analysis module. The EUV control module is coupled with the analysis module and the radiation source.

The invention relates to the technical field of model verification, and discloses a C / S architecture-based three-dimensional model verification system and method, and the system comprises a front-end desktop application which is used for calling a three-dimensional modeling software API interface to read three-dimensional model information of a model to be verified, and adding attribute information; the server side is used for reading the attribute information of the three-dimensional model, extracting an identifier, obtaining a review opinion, associating the identifier with the review opinion, generating a review record and storing the review record in the database, and the identifier is used for positioning a model component; and the database end is used for automatically generating a verification record card corresponding to the to-be-verified model according to the verification record. Complete front and back end and database design is adopted, the three-dimensional model attribute information of the to-be-verified model is read, the extracted identifier and the obtained verification suggestions are associated to obtain the verification record, and the verification record card is automatically generated according to the verification record. And a verification record card is automatically generated to meet digital requirements, so that a worker can conveniently check the verification record card at any time.

The invention relates to the technical field of asset library construction, in particular to a construction method of an architecture asset library integrating a data technology and security. The method comprises the following steps of: obtaining an architecture asset meta-model design specification; performing technical side architecture element modeling design based on the architecture asset meta-model design specification to obtain an architecture asset library meta-model; based on the architecture asset library meta-model, carrying out current situation evaluation on an existing system platform, and carrying out classification coding to obtain an architecture asset classification directory; performing architecture element dependency relationship analysis on the architecture asset classification directory to obtain an architecture asset association mapping model; and carrying out architecture asset database design based on the architecture asset library meta-model and the architecture asset association mapping model to obtain an architecture asset storage structure. According to the invention, through whole-process standardized modeling, structured storage, dynamic visual management and hierarchical security protection, a complete, high-quality, interactive, safe and controllable technical side architecture asset library is systematically constructed.

The present disclosure involves systems, software, and computer implemented methods for improved design and implementation of data access metrics for automated physical database design. An example method includes identifying a database workload for which index advisor access counters are to be tracked. Each SQL statement in the database workload is executed. For each SQL statement, attribute sets are determined for which a selection predicate filters a result for an SQL statement. An output cardinality of each selection predicate is determined. A logarithmic counter for an attribute set corresponding to the selection predicate is determined based on the output cardinality of the selection predicate. The determined logarithmic counter is incremented. Respective values for logarithmic counters of the determined attributes are provided to an index advisor. The index advisor determines attribute sets for which to propose an index based on the logarithmic counters of the respective attribute sets.

The embodiment of the invention discloses a method, device, equipment and system for generating a material knowledge base, a medium and a product. The method comprises the steps that based on N material databases, N bodies corresponding to the N material databases are determined, and N is a positive integer which is at least 2; determining N instances corresponding to the N ontologies based on the N material databases; the N instances are converted into N texts; storing the embedding vectors of the N texts into a vector database; and determining the vector database as a material knowledge base. According to the method, the ontology instances of all the material databases are converted into the texts, then the texts are converted into the vectors to be stored in the vector database, multiple ontologies designed for different databases can be automatically integrated, manual data processing is reduced, the workload of integrating the material databases is reduced, and retrieval efficiency and accuracy are improved.

The invention discloses a SysML model storage method fusing a key-value pair database and a graph database. The method comprises the following steps: S1, preprocessing and extracting model elements; s2, designing and storing a key value pair database; s3, designing and storing a graph database; s4, designing a graph-key value pair database association mechanism; and S5, verifying data integrity and boundary limitation. According to the method, the content information of the model elements is stored in the key value pair database in the JSON format, and the multi-dimensional semantic relationship among the model elements is structurally expressed in the graph database, so that a dual-mode database architecture with efficient read-write performance and rich semantic expression capability is constructed; a unified ID mapping mechanism and a semantic boundary verification rule are further introduced, decoupling storage and unified management of the model content and structure are achieved, and the technical blank of the SysML model in the aspects of extensible storage and relation modeling is filled up.

The invention relates to the technical field of metal welding, in particular to a method for adjusting correction parameters in real time in the process of correcting welding deformation through induction heating. Comprising the steps of determining the correction amount of a welding part, establishing a database, designing a correction scheme, performing segmented correction, storing segmented correction data in the database, designing a next segment of correction scheme, continuing to store the correction data in the database, repeating the operation until all machining is completed, and the like. According to the method, the welding process is adjusted by detecting the welding deformation data in real time in the induction heating correction welding deformation machining process, the induction heating construction scheme of current correction construction can be continuously obtained according to the real-time deformation amount of the deformation structure, the correction procedure times are effectively reduced, and the machining precision is improved.

The invention discloses a database table entity conversion method, computer equipment, a medium and a product, and relates to the field of database design. By implementing the method, the computer equipment traverses the database tables, extracts the structured data of each field in each database table, establishes the field association mapping table based on the field identifier, the field name, the service primary key, the logic foreign key and / or the dictionary code, and effectively identifies and manages the logic relationship between the tables. And the computer equipment uniformly processes the logic foreign key relationship and dictionary coding mapping, so that the data integrity is ensured, and the flexible data translation capability is provided. Moreover, when the computer equipment is converted into the database design entity and the data transmission object, business semantics and UI display requirements are completely reserved, so that the converted data transmission object not only conforms to database design specifications, but also is convenient to apply, develop and use, and the database design and development efficiency is improved.

The application provides a pre-decision quasistate database design method and system, comprising the following steps: each executor generates an SQL statement based on a received external user request; a pre-decision maker makes a decision on the SQL statement sent by each executor, sends the decided SQL statement to a post-decision maker, sends the decision result to a dispatcher, and notifies the normal execution body to send the SQL statement to the corresponding sub-database; the sub-database generates a response result in response to the SQL statement, and sends the response result to the post-decision maker when the SQL statement is an addition statement, a deletion statement or an update statement; the post-decision maker compares the received response result with record data, and obtains difference data of the sub-database; the difference data of each sub-database is decided, the record data is updated according to the decision result, and the record data is forwarded to the dispatcher, so that the dispatcher synchronously updates the sub-database corresponding to the abnormal execution body pre-decided and the abnormal sub-database decided by the post-decision maker based on the record data.

Embodiments of the present application provide a database design method, which is applied to a database design system, and comprises: providing, by the database design system, a first interface to a user, the first interface comprising a design view of an original database version; receiving modification of the design view of the original database version by the user through the first interface, and generating a change script for conversion between the original database version and a modified database version according to the modification of the design view by the user. By comparing the design view of the original database version and the design view of the modified database version, difference information before and after the database is modified can be obtained, and the change script comprising an upgrade script and a rollback script is generated according to the difference information, so that the type of the script that can be generated by the database design system is enriched, the management of the database by the user is facilitated, and the work efficiency is improved.