88 results about "Self description" patented technology

The invention discloses a power distribution terminal plug-and-play communication method based on an IEC 61850 standard, comprising that: a power distribution terminal transmits registration information to a main station terminal; the main station terminal receives and verifies registration information; if the registration information is inconsistent, a information model file is issued to the power distribution terminal according to the registration information or the information model filed is obtained through the power distribution terminal, so that the registration information received by the main station terminal is consistent with the registration information transmitted by the power distribution terminal; the main station terminal parses the information model file into a communication point table according to the corresponding mapping relation; the power distribution terminal transmits real-time operation information of a power distribution network to the main station terminal according to the local information model;and the main station terminal receives real-time operation information of the power distribution network and controls the power distribution terminal through orders. The invention, through the interaction of information models, realizes the self-description of the power distribution terminal and automatic recognition and automatic analysis performed on the function points of the power distribution terminal by the main station terminal so as to achieve the plug-and-play communication effect of the power distribution terminal when the power distribution terminal accesses the network, modifies configuration, updates and maintains the system.

The invention discloses a plug-and-play method of power distribution terminals based on an IEC61850 standard. The method comprises the steps of putting forward a model mapping method between a power distribution automation master station and the power distribution terminals by adopting an idea of IEC61850 object orientation and layering distribution, on the basis of an open IP (Internet Protocol) communication network and on the premise of self-description of the power distribution terminals, constructing a power distribution automation terminal plug-and-play system, and achieving plug-and-play of the power distribution terminals. The plug-and-play method of the power distribution terminals based on the IEC61850 standard achieves automatic discovery and automatic identification of a power distribution automation master station system to the power distribution terminals, reduces a large amount of work in installation and debugging processes of the power distribution automation terminals, provides a model basis for mutual identification between the power distribution automation terminals, and promotes rapid development of intelligent distributed FA (Feed Automation).

The invention relates to a method and a special-purpose device for household electrical appliance interconnection intercommunication bottom transmission, which is characterized by positioning interconnected and an intercommunicated household electric primary device and a household electric subset, wherein a node unit of the primary device comprises a primary device and a primary wireless module, and the node unit of the subset device comprises a plurality of sub device nodes, utilizing simplified XML language to reduce the data structure of the household sub device to the categories of a plurality of items and performing numeralization on the categories, the attributes and the operation of the objects, generating structured data-metadata described by the household electric sub device, forming a self-description file having an object attribute and an interface, performing network organization on a set public channel by the household electric primary device and the household appliance sub set which are interconnected and intercommunicated through the household electricity, choosing a channel which is not occupied by other devices by the primary device after the networking organization, transmitting the self-description file to the primary device through a wireless module not by the subset device on the channel to form a household electric interconnection intercommunication bottom transmission network. The invention enhances the reliability, safety and the promptness of the household appliance interconnection intercommunication.

The invention relates to a method and system for a power distribution master station to automatically identify a terminal device. The method comprises the following steps that: step 1, a power distribution terminal initiatively submits registration information to a power distribution automation master station, so that the registration of the power distribution terminal can be completed; step 2, the front end server of the power distribution automation master station automatically discovers the on-line registered power distribution terminal and creates an underlying communication link so as to provide point-to-point communication services for the communication interaction of the two parties; step 3, the power distribution terminal uploads an IEC61850 standard-based SCL self-description model file to the power distribution automation master station; and step 4, the power distribution automation master station resolves the SCL self-description model file information, then updates database model information, and performs mapping association on the secondary measurement model information of the power distribution terminal and an IEC61968 model in the power distribution automation master station. With the method and system of the invention adopted, 104 protocol message resources can be utilized to make the power distribution automation master station automatically discovery and automatically identify the power distribution terminal.

The invention discloses a power distribution terminal self-description method based on IEC61850 standard. The power distribution terminal self-description method comprises the following steps of (1), writing a self-description file into a power distribution terminal file system; (2) establishing communication between a power distribution terminal and a power distribution main station, and actively applying a registration service by the power distribution terminal to the power distribution main station; (3) establishing a data model by the power distribution main station for the power distribution terminal according to power distribution terminal registration information, performing mapping for obtaining a subscription model, and transmitting the subscription model to the power distribution terminal; (4) automatically generating a communication point table by the power distribution terminal; and (5) triggering the power distribution terminal by the power distribution main station for starting a self-error-correction module, determining whether a subscription point number matches a point number which is supplied by the terminal and whether correct matching is performed through comparing the subscription model, the self-description file, the point number of the communication point table and a data domain name, and uploading the result to the power distribution main station. The power distribution terminal self-description method has function of improving efficiency and reliability in construction of a power distribution network, and laying a foundation for realizing a plug-and-plug function between the power distribution main station and the power distribution terminal.

An integrated video service peer to peer network system, includes: a media source system, configured to divide video service data into one or more segments and each of the one or more segments into a plurality of blocks, and to generate a media description file based on segment dividing information and media format information, wherein, each of the plurality of blocks is of a self-description type and comprises a block head and a block body, the block body including media data; a media distribution management system, configured to store media distribution information, wherein, the media distribution information represents the information of the storage status of divided video service data segments at a peer source node and the information of the serving capability status of the peer source node; and a plurality of the peer source nodes, configured to store the video service data, and to transmit the video service data to a service requesting node. With the present invention, the range of sharing can be effectively extended, the usage of the client resources can be optimized, while the provider system and the client system are significantly simplified, so the cost of the operation and maintenance are reduced.

The invention relates to a self-description realization method of an IEC61850 standard, belonging to the application field of the international substation communication network and system standard (IEC61850) to a substation automation system and solving the defects of ambiguous description, heavy workload, and the like existing in the prior art. The method comprises the steps: (1) obtaining capability self-description files of various devices from the devices of the substation; (2) systematically configuring, treating various signal descriptions of the substation according to the capability self-description files of the devices and a system scale description file and generating a substation configuration description file uniform in the whole substation; and (3) downloading the uniform substation configuration description file to the devices. The invention unifies the signal description of the devices, can definitely identify all signals, lightens the workload and facilitates the practical application of the IEC61850 standard.

The invention discloses a method for releasing geospatial data incremental information, which comprises the following steps: determining the semantic definition, classification, measurement and storage of the incremental information by organizing and modeling geographic incremental information; establishing an XML-based geographic incremental information storage medium which facilitates the release of the geographic incremental information and the update of a client; and storing the acquired incremental information in an XML format and releasing the XML incremental information. The method provides a database operation-oriented data description of the incremental information according to the change type and operation type of factors as well as the classic definition and classification of the incremental information, provides incremental information data expression in XML on the basis of geographic information data file expression and SGML expression, provides XML-based geographic incremental information storage, and has the advantages of self-description, flexibility, independence, expandability, high structural property and good cross-platform property.

An efficient and adaptive middleware infrastructure called the Event Heap system dynamically coordinates application interactions and communications in a ubiquitous computing environment, e.g., an interactive workspace, having heterogeneous software applications running on various machines and devices across different platforms. Applications exchange events via the Event Heap. Each event is characterized by a set of unordered, named fields. Events are routed by matching certain attributes in the fields. The source and target versions of each field are automatically set when an event is posted or used as a template. The Event Heap system implements a unique combination of features, both intrinsic to tuplespaces and specific to the Event Heap, including content based addressing, support for routing patterns, standard routing fields, limited data persistence, query persistence/registration, transparent communication, self-description, flexible typing, logical/physical centralization, portable client API, at most once per source first-in-first-out ordering, and modular restartability.

The invention discloses a data processing method and storage method. The central processor at least marks a type marking field and a data length field to each data body to form a data element, the data element is stored in a storage; the type marking field describes the self-type of the data body, the data length field describes the length of the data element or/and the data body. The invention uses the realization mode of data self-description to fully separate the data and the design and cut off the coupling of the data and the design. The invention has a simple and high-efficient proposal, can store any kind of data, and can store any data elements with same type. In addition, the marking of the data can be freely extended and has no influence on the existed application. The data storage of the invention can realize one-time storage (namely can be compatible with each future upgrade).

The invention provides a cloud storage fine grit access control method. The method is compatible to access control of a Hadoop assembly in a Plugin way and access control is performed through a central authorization server. Requests intercepted and sent to the central authorization server from the Plugins are accessed to a strategy engine by accessing a binding layer. Authority strategies are encrypted/decrypted through a strategy encryption/decryption layer, finally, through an engine background, storage and reading of the authority strategies are finished, and the storage form is authority encryption ciphers. The decrypted authority strategies are analyzed by the strategy engine, and authorities which can be identified by each Plugin are obtained through the analysis and returned to thecorresponding Plugins. Verification of the authorities is finished by the Plugins and whether user requests of this time are permitted is judged through the Plugins. According to the invention, by introducing autonomous access control, access control authorization of data by a data uploader is achieved; and by introducing a method based on attribute-based encryption, self-description of an accesscontrol structure is performed through attribute labels of data.

The invention discloses a space intelligent bus interface system and a space intelligent network system using the same, and relates to an interface system and a network system. The problems that a traditional Space Wire bus interface does not provide a space equipment standard power supply, is low in synchronization precision, cannot synchronously work when a network or communication is interrupted, and does not have self-description, self-organization, dynamic adaptive reconfiguration, self-cognition and self-diagnosis functions are solved. The interface system comprises a Space Wire bus interface, a power supply interface, a synchronous pulse interface and a bus interface controller; the network system comprises n space intelligent interface systems; the Space Wire bus interfaces of all the space intelligent interface systems are connected in parallel; and another network system comprises a main space intelligent interface system, n slave space intelligent interface systems, a power supply distribution module, a Space Wire bus router and a synchronous distribution module. The disadvantages of the prior art are overcome by the space intelligent bus interface system and the space intelligent network system; and the space intelligent bus interface system and the space intelligent network system are suitable for being used in the fields of various space vehicle integrated electronic interface systems and network systems.

A system, method and computer program product for storing configuration data for use in configuring a device while a program utilizing the configuration data is undergoing a revision at the device. The method includes a first step of providing a data structure indicating a manner in which configuration data is to be stored, and storing the data structure and current configuration data according to the data structure. Then, a revised software program in the device may identify the data structure and access a particular configuration data, along with its format; and, apply a conversion function that translates the stored current configuration data to a format compatible for use by the revised software. This is accomplished in a manner such that no configuration data is corrupted. The data structure includes data self describing the stored current configuration data, such that a conversion function can easily access the self describing information and render the stored configuration data platform independent.

The invention discloses a probability statistics-based method for modeling generalized node characteristics. The method comprises the steps of performing uniformly-spaced sampling on annual data of the voltage and active power at a root bus which is directly connected with a fan; performing compromised segmentation on active power data of annual root bus; performing numerical statement on probability distribution of the active power data of the annual root bus of a wind electric field; extracting a probability characteristic relation expression under each power segment by using a nerve network algorithm; establishing a final node characteristic model of the wind electric field; evaluating the fitting effect of each power segment and the fitting effect of an overall sample respectively. The method disclosed by the invention covers an annual sample rule and does not need to correct the model frequently, so that the method is superior to the conventional method in the aspects of self-description capability and generalization capability, and trend results of all power scenes under wind power fluctuation can be solved according to the segment probability model so as to provide a theoretical guidance for researching probability stability calculation, risk assessment, economic dispatch, wind power absorptive capability and the like.

The invention provides a management method based on running object data in a CRM system. The management method comprises the steps that all running domain objects in the CRM system are described, properties, property values, methods and application types of the objects are defined, and the basis capacity of object self-description is provided for an implementation interface, a flow path and rule configuration. Description information and partial behavior information of the objects are described through a physical specification table; the property information of the objects is described through a property specification table, and cross table properties and vertical table properties are distinguished; possible values of the properties of the objects and the meaning of the values are described through a property value specification table; a system program can achieve dynamic propagation and dynamic obtaining of the properties through the configuration and achieve dynamic configuration of the interface. By means of the management method based on the running object data in the CRM system, flexibility of the system is improved, users can inquire the information easily and intuitively and do not need to read a large number of documents and codes, and the working efficiency is improved.

The invention discloses a plug-and-play method for a power distribution terminal suitable for APP dynamic loading. Based on the IEC101/IEC104 communication protocol, a power distribution terminal device performs self-description, including configuration information of device function, interaction information and the like, and distribution, after the activation process with a power distribution automation primary station is completed, communication with the primary station is conducted through three steps of active registration, model transmission/reception, and model analysis, and plug-and-play is realized in a power distribution automation system; during the operation of a power distribution terminal, if the primary station needs to dynamically load and unload application APP software, the model dynamic management process is executed, and the self-description information is dynamically generated along with the loading and unloading of the application APP software, so that the information interaction between the power distribution terminal applicable to the dynamic loading of the APP and the primary station is realized. The technical problem of low operation and maintenance efficiency and high cost in the process of information interaction between the power distribution terminal and the primary station is solved.

A field device having a self-description is provided. The field device includes loop communication circuitry configured to communicate process information using a process standard communication protocol. A controller is coupled to the loop communication circuitry to communicate with one or more process devices using the loop communication circuitry. The controller is coupled to a non-volatile, writeable, non-transitory computer readable medium having a plurality of blocks. A first block contains device executable code, which when executed by the controller causes the field device to provide at least one process control function. A second block, at least as large as the first block, contains an electronic device description of the field device.

The invention discloses an NMS (Network Management System) and a multi-edition signaling decoding method, relating to the field of signaling tracing in mobile communication equipment. The method provided by the invention comprises the following steps of: compressing a code stream of a received signaling, the edition information of the signaling and the self-description information for describing the composition structure of the code stream of the signaling into a signaling file by an operation maintenance center to be issued outwards; and decompressing the signaling file when the signaling file issued by the operation maintenance center is viewed by a signaling offline reader, acquiring the code stream, the edition information and the self-description information of the signaling therefrom, decoding and displaying the code stream of the signaling according to the acquired edition information and the self-description information of the signaling. According to the embodiment of the invention, the decoding workload of a manually maintained signaling is lightened and the practicability of multi-edition signaling maintenance is improved.

The invention discloses a method for Key-Value database encryption and security query in shared cloud. The method comprises the steps that a Key-Value database security protection model based on multilevel self-description is adopted to customize a data security protection scheme, and encryption processing and query processing are performed on a Key-Value database according to the security protection scheme through a security agent secure KeyValue. The method is suitable for all Key-Value databases, and the confidentiality and integrity of user data in a shared cloud environment can be well protected.

The invention discloses an artwork-integration-technique-based power distribution terminal communication self-adapting and equipment visualization method which comprises the following steps: a power distribution terminal establishes an IEC61850-standard-based self-description file and establishes an IEC61850-standard-based graphic file; the power distribution terminal automatically initiates registration, and after the main station system makes confirmation, the power distribution terminal uploads essential information; the main station system analyzes the essential information of the power distribution terminal to generates a corresponding artwork file, the artwork file is downloaded to the power distribution terminal, the power distribution terminal stores the downloaded file and makes analysis to generate a topological graph file for self description; and the main station system performs data access on the power distribution terminal, and the power distribution terminal firstly uploads the sampled data and then uploads the topological graph file of the equipment. The method implements communication self-adapting and equipment visualization of the power distribution terminal, effectively lowers the equipment debugging and workload for operation and maintenance, and greatly enhances the distribution network intelligentization technical level.