10 results about "Data service unit" patented technology

The application discloses an embedded device human-computer interaction system and method in the technical field of embedded devices in the electric power industry, and relates to the technical field of embedded devices, and comprises the following steps: receiving configuration information files and various human-computer service units; requesting configuration information files and human-computer service unit files from the management service unit of a service terminal through a human-computer scheduling unit, and generating an entry interface according to the configuration information files; receiving and processing external operation events through the human-computer scheduling unit, determining the human-computer service unit associated with the operation object, executing and transferring human-computer control to the associated human-computer service unit, wherein the human-computer service unit is independently communicated with the data service unit of the service terminal, data acquisition and setting are completed, the display interface is refreshed, and external operation events are received and processed. The application can configure various service units according to actual needs, effectively reduces the size of the human-computer program, and when new human-computer service functions are added, the code complexity is reduced and the development efficiency is improved due to the uncoupling with other services.

The embodiment of the present specification provides a system and a query method, wherein the coordination node of the system comprises a coordination service unit and a connection unit, the data node of the system comprises a data service unit, the connection unit comprises a connection capable of multiplexing, and the query method comprises the following steps: when receiving a preparation request carrying a sub-query statement, the data service unit generates query optimization data by using the sub-query statement, and writes the query optimization data into a cache area in correspondence with the information of the sub-query statement; the coordination service unit establishes a connection with the data service unit based on the connection in the connection unit, and when receiving a target query statement, determines a target sub-query statement of the target query statement, finds out a target data service unit which has cached the query optimization data of the target sub-query statement by using the target information of the target sub-query statement, and sends a use request to the target data service unit; and the data service unit multiplexes the query optimization data in response to receiving the use request.

This invention discloses a meteorological data external service process and system based on DMZ secure isolation. The process includes the synchronous acquisition of shared meteorological data, meteorological data processing, and external service. A DMZ zone is introduced between the meteorological intranet and the Internet as an isolation zone for data transmission. Then, data element extraction and regional clipping are performed. The system includes a hardware support unit, a software support unit, a data service unit, a business support unit, a business application unit, and a user unit. The hardware support unit ensures the security of the intranet and DMZ through a tiered, one-way access policy via firewall. The software support unit supports the operation and service of upper-layer applications. The data service unit is responsible for acquiring meteorological data and industry-specific data. The business support unit provides business support. The business application unit provides meteorological data services and sharing functions to users. This invention enables secure transmission and efficient sharing of meteorological data for external service systems.

The invention discloses a rapid rendering system and method for meteorological grid data, and the method comprises the steps: (1) carrying out the preprocessing of the meteorological grid data, and converting the meteorological grid data into the meteorological grid data which is suitable for the rendering of a three-dimensional space and is of a unified data structure; (2) performing spatial optimization on the meteorological grid data processed in the step (1) by utilizing a view cone cutting technology; and (3) in the visualization process, only loading and rendering the meteorological grid data in the view cone for visualization, and dynamically updating the visualized meteorological grid data. The system comprises a data processing unit, a data service unit, a visualization unit and a user interaction unit. The data processing unit is in communication connection with the data service unit, the data service unit is in communication connection with the visualization unit, and the data service unit and the visualization unit are respectively in communication connection with the user interaction unit. According to the invention, the fluency and interaction experience of meteorological grid data visualization can be improved.

The invention discloses a prefetching method and system based on a distributed block storage system, a medium and a product, and relates to the technical field of electric digital data processing. The method comprises the following steps: sampling and integrating historical access records to generate an access record sequence, constructing a space-time fragment, combining the sequence to obtain a first matrix, performing quantization processing to obtain second matrixes, and aggregating a plurality of second matrixes of a volume to generate a third matrix; predicting a fourth matrix in a future preset time based on a third matrix by using a prefetching determination model which is trained in advance through deep learning of a third matrix sample set with a real access label; and calculating the priority score of each data block according to the fourth matrix, forming a global score list, screening the to-be-prefetched data block, and sending a lifting suggestion to the data service unit of the corresponding node to complete the migration of the prefetched data block. According to the scheme, non-periodic and randomized access scenes can be accurately adapted, the prefetching real-time performance and accuracy are improved, the resource consumption of invalid prefetching is reduced, and the IO response efficiency of the distributed hierarchical block storage system is optimized.

This invention relates to the field of computer technology, specifically to a geographically distributed active-active counting system and method. The system includes a first service unit and a second service unit deployed in two different geographical regions. Each service unit includes a local master database and a geographically distributed slave database. The local master database stores the locally recorded counts, while the geographically distributed slave database synchronizes with the corresponding data in the master database. Service nodes within the service unit can read data from both the master and slave databases and calculate the total recorded count. It is understood that the counting scheme provided by this invention offers strong performance, good scalability, and guarantees data consistency, high availability, and high reliability.

Embodiments of the present disclosure provide a rail transit real-time evaluation system, which adopts a hierarchical architecture and includes an integrated external system, a core service layer, a background application layer and a front-end interface layer; the background application layer includes a message engine unit, a data service unit, a rule engine unit and an integrated interface; the integrated interface interacts with the interface of the integrated external system, the rule engine unit unifies the information flow inside the system, the data service unit is used for recording the data, logs and alarm information of the evaluation system, and the message engine unit is used for implementing the internal communication of the evaluation system; the core service layer is used for managing data; the background application layer is used for integrating the running state information and quantitatively evaluating the current operation status of the rail transit based on different angles and dimensions by using a calculation evaluation index mode; and the front-end interface layer is used for interaction with users, user input and viewing of index data of a corresponding operation scheme. Corresponding methods, electronic devices and computer storage media are also disclosed.

The invention discloses a transformer intelligent component cabinet monitoring system based on a PLC communication technology. The transformer intelligent component cabinet monitoring system comprises a data acquisition unit, a parameter analysis unit, a data service unit and a man-machine interaction unit. The data acquisition unit is used for monitoring the transformer in real time and acquiring parameters of the corresponding transformer in different states; the parameter analysis unit is used for comprehensively processing parameters and determining a monitoring state; the data service unit is connected with the data acquisition unit and the parameter analysis unit, comprises a server and an embedded database, and is used for storing and managing data; and the interaction unit is connected with the data acquisition unit and the data service unit and is used for displaying the monitoring state and interaction operation. According to the invention, the transformer is monitored in real time through multi-dimensional data, and accurate control of the power transformer is realized.

The invention relates to a test management and control system and a test management and control method for a liquid-propellant rocket engine, and aims to solve the technical problems that an existing test process is easy to make mistakes and the test efficiency is relatively low. By constructing a data model management unit, a task modeling and instantiation engine unit, a resource management and monitoring unit and a plan generation and process driving unit, the system can automatically trigger resource matching and plan generation based on a test task and drive a workflow engine to execute, and a data service unit is used for providing data for the test task. And the integrity and traceability of data in the test process are ensured.