55results about How to "Shielding heterogeneity" patented technology

The invention discloses an information interaction method for a heterogeneous electric power application system. The information interaction method for the heterogeneous electric power application system comprises the following steps: establishing a uniform heterogeneous system data information naming and encoding standard; establishing a CIM (common information model) common source model library of a heterogeneous system and a mapping relationship between a heterogeneous system data model and the CIM model; converting the data model into a standard CIM model by an adaptor of the heterogeneous system according to the mapping relationship, and verifying and introducing the standard CIM model into the CIM common source model library for storage; packaging the converted CIM model information into IEC61968 (international electrotechnical commission 61968) information by the adaptor, and sending the IEC61968 information to a corresponding interface queue on an electric power enterprise integration bus; routing the information to an interface queue of a target system by the electric power enterprise integration bus; reading and analyzing the information by an interface adaptor of the target system, and converting the obtained CIM model information into a data form which can be recognized and processed by the target system; packing and sending the CIM model information to the target system, processing the CIM model information, and returning a result to a source system so as to realize information interaction between the heterogeneous systems.

The present document provides a neighbor topology discovery method for a multi-interface terminal, to improve the usage rate of multiple interfaces. The method includes the following steps: after joining a network, the multi-interface terminal broadcasts a neighbor discovery request message to respective networks via each interface, and the neighbor discovery request message carries a neighbor hop value; and the multi-interface terminal in the network monitors broadcast messages of other terminals in the network where each interface is located; when detecting the neighbor discovery request message, if the neighbor hop value carried in the detected neighbor discovery request message indicates that the present terminal is the last hop, related information in the neighbor discovery request message is extracted, and neighbor information and network topology information of the present terminal is updated; and if not, the neighbor hop value is modified and then the neighbor discovery request message is forwarded via all interfaces.

The invention discloses a method and a system for data synchronism between heterogeneous databases, wherein the method comprises the following steps: monitoring the change of scanning appointed data by a client, and carrying out data conversion on changed data according to a set synchronous data file structure to generate a synchronous data file; carrying out compression and encryption on the synchronous data file by the client, and transmitting the synchronous data after compression and encryption to a server in a FTP (File Transfer Protocol) manner; carrying out decryption and decompression on the received synchronous data file by the server; carrying out analysis of the synchronous data file according to a heterogeneous shielding file structure negotiated with the client by the server, and carrying out data conversion; synchronizing the converted data into an appointed database according to appointed operation by the server. Through the method and the system, the problem that the data synchronism method in the prior art is incapable of achieving sufficient security, high efficiency and accuracy is solved, the isomerism of databases and data tables is effectively shielded, the data flow in a distributional environment is reduced, and the security of data transmission is improved.

The invention provides a mass remote sensing data efficient organization and fast retrieval method in a cloud computing environment. The mass remote sensing data efficient organization and fast retrieval method in the cloud computing environment comprises the following steps that S1, alloing multi-source heterogeneous remote sensing data metadata to be subjected to ISO 19115-based retrieval; 2, obtaining standard multi-source heterogeneous remote sensing data through a geographic information metadata standard unified format; S2, constructing a GeoSOT space division grid for the standard multi-source heterogeneous remote sensing data to obtain remote sensing tile data, wherein the remote sensing tile data has a space identifier with a uniform reference; S3, constructing a space-time index for the multi-source remote sensing tile data based on the spatial identifier; And S4, constructing a Hash algorithm-based multi-source remote sensing tile data distributed storage optimization strategy according to the space-time index of each split tile in the multi-source remote sensing tile data, and aggregating and storing the multi-source remote sensing tile data logically associated with theHash value in the same data node. The method has the beneficial effect that the retrieval efficiency and the distributed access efficiency of mass data are improved.

The invention relates to the technical field of computer application, in particular to a mainstream relation type database table mode objectification and virtualization mechanism. According to the mechanism, relation type database tables huge in physical difference are converted into unified object models, that is, each database table is simply regarded as a p-v object instance system, and each database table field is converted to be a pojo or a simple object instance to serve as the key attribute of the p-v object instance system and arranged in a cloud database element node database in a persistence mode to form virtual table resources, so that the complex physical structure of a multielement heterogeneous database is evolved to be a unified virtual database platform relatively simple in logic, mapping is conducted between logic elements and physical elements, and operation modes of logic layer concepts are defined and mapped to be operation modes of the physical elements, complex underlying physical details and difference are shielded, and a cloud database virtualization platform uniformly based on object model operation is provided. By means of the mainstream relation type database table model objectification and virtualization mechanism, the problem that database data cannot be uniformly managed and the problems of interconnection and interworking are solved, and the mechanism can be used for interconnection and interworking of the database data.

The system has three layers. A portal access layer is used for providing a Web-based access graphical interface for user, and having an access module. A virtual network management layer is used for using the virtual technology and plug-in technology to construct a virtual network management center in order to shield the heterogeneity of bottom grid platform and to provide an unified access interface for upper layer, which has a virtual layer user management module, virtual layer information management module, a virtual layer operation management module and a virtual layer data management module. The heterogeneous grid platform layer has a plug-in module used of bridging the heterogeneous grid platform to the virtual grid management layer.

The invention relates to an electronic official document exchange method based on Web service, which comprises the following steps: (1) a document database is established, and an electronic document is stored in XML document format; (2) according to Specification for the Structure of Electronic Official Document Based on XML, XSD format is adopted to define the complex type of the electronic document stored in XML document format; (3) an electronic official document data exchange Web service is defined and the Web service is packaged; (4) the Web service package is deployed to run locally; (5) a Java Script client-side is constructed, and the electronic official document data exchange is carried out by the application of Web service; (6) the presentation format of the electronic official document is constructed by the application of extensible style language (XML for short) and causes that the electronic official document is presented to the user according to the format specified in Specification for the Structure of Electronic Official Document Based on XML. The method can effectively avoid the differences between the system environment between various client-sides and a server, database environment, data format and data transmission mechanism, and realizes the effective and safe electronic official document data exchange among all systems.

The invention discloses an Internet of Things (IoT) equipment interoperation scheduling method, and relates to the field of the IoT based on virtual resources, for solving the problems that in the prior art, the IoT system is difficult to achieve interoperation of equipment and the equipment is heterogeneous and incompatible, and interoperation of the existing equipment starts from a top-layer standard or a vertical field and thus the horizontal equipment is difficult to achieve interoperation in a targeted manner. The invention provides a unified resource expression structure for the IoT equipment to convert the physical equipment into a logically corresponding virtual equipment resource; based on the formed virtual equipment resource, an interoperation scheduling interaction mode betweentwo resources is provided, passive operation scheduling is achieved through building subscription for the assigned resource and receiving a notice, active operation scheduling is achieved through sending the request to the assigned resource and acquiring a acknowledgement, and the interoperation of the equipment is achieved with the aid of operation of the resource level.

The invention relates to a multi-serial-port data transmission method and a transmission center system. The system comprises a serial port configuration management module, a data receiving and reading module, a serial port data forwarding module, a data storage management module and a data capturing and processing module, wherein the serial port configuration management module is used for configuring serial port parameters of a serial port server, generating a configuration file, and loading, storing and modifying the configuration file; the data receiving and reading module is used for receiving and reading serial port data transmitted by peripheral serial port equipment; the serial port data forwarding module is used for forwarding received peripheral serial port equipment data to specified lower computer equipment; the data storage management module is used for storing received peripheral serial port equipment data in the form of a database or a local text file; and the data capturing and processing module is used for capturing received peripheral serial port equipment data and performing addition, subtraction, multiplication, division and power operation on a captured data segment. The method is applied to the transmission center system. The method and the system have the beneficial effects that the quantity of physical connection links of serial port data can be reduced.

The invention discloses a hydraulic power plant intelligent management system based on a geographic information system, and the hydraulic power plant intelligent management system comprises a data core part, wherein the data core part is respectively in communication connection with a data managing module, a business integrating module and a data validation module through the Internet; the data core part is further respectively in communication connection with a WEB application terminal and an intelligent terminal; a user sends out a data request through the WEB application terminal; and the system organizes a data source according to a user request and a protocol requirement so as to realize data presentation. The hydraulic power plant intelligent management system disclosed by the invention has the positive effects that the application of a GIS (Geographic Information System) technology in a hydraulic power plant is achieved; a plurality of data comes from the hydraulic power plant and a large quantity of equipment does not need to be additionally arranged based on the currently-operated equipment and system, so as to reduce the capital investment of the user; and a data transmission network and a software platform only need to be constructed on the basis of a GIS.

The invention provides a middleware which is convenient for multi-device to interconnect and improve the interactive developing efficiency of the multi-device. The middleware is provided with a three-layer framework, each layer has different functions, and different supports are provided for application development, so that the application development efficiency can be improved and the difficulty of application deployment can be greatly reduced. The middleware is provided for the interactive application of the multi-device in a home network; and through the support of the middleware, the difficulty of application deployment can be greatly reduced and the user friendliness can be improved.

The invention provides an edge equipment management method and device and management equipment, and the method comprises the steps: classifying edge equipment to acquire class nodes; taking the edge equipment as child classes, taking the class nodes as parent classes, and establishing tree relationships; and determining attribute information of the category nodes, and establishing an associationrelationship among the category nodes through object attributes. According to the scheme, the semantic technology is utilized, description modeling and incidence relation construction are carried outon different types of edge devices, good flexibility and expandability are achieved, the isomerism of the edge devices can be shielded, the device information expression capacity is improved, and useis convenient; flexible management and intelligent cooperation of the edge equipment can be further realized; the problems that in the prior art, an equipment management scheme is poor in equipment information expression capacity, inconvenient to use and poor in expandability are well solved.

The invention discloses a natural fund and performance data sharing system based on Internet+ government affairs. The system comprises a data processing center which is used for data storage, processing and analysis, wherein the data storage is used for achieving the storage and management of geographic information, performance indicators and issued fund data, and the processing and analysis module is used for analyzing the stored data and realizing data collection and supervision, fund distribution and map information display, so that the functions of information synchronization, cooperative work and cooperative supervision among departments at all levels are realized; and a core business subsystem, which is used for receiving, distributing, issuing, reporting and checking central special funds and performance targets; a central client that receives the issued special funds and performance target information and distributes the fund and performance indexes according to the actual condition of each region, and issues the special funds distributed by the supervision center client and the performance indicators needing to be realized to the local client.