CN101908176A - Method for modeling on basis of power information data and applying metadata management - Google Patents

Method for modeling on basis of power information data and applying metadata management Download PDF

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Publication number
CN101908176A
CN101908176A CN201010242384XA CN201010242384A CN101908176A CN 101908176 A CN101908176 A CN 101908176A CN 201010242384X A CN201010242384X A CN 201010242384XA CN 201010242384 A CN201010242384 A CN 201010242384A CN 101908176 A CN101908176 A CN 101908176A
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China
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data
management
power information
application
modeling
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CN201010242384XA
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Chinese (zh)
Inventor
朱为民
丁捷
王高琴
李晓星
涂孟夫
邵平
昌力
朱敏健
杨争林
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国电南瑞科技股份有限公司
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Priority to CN201010242384XA priority Critical patent/CN101908176A/en
Publication of CN101908176A publication Critical patent/CN101908176A/en

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Abstract

The invention discloses a method for modeling on basis of power information data and applying metadata management. The method comprises the following steps of: establishing a power information main body coding and application index coding rule base first; constructing a structured power information data storage mode in a database according to a physical dimension, an application index dimension and a time dimension of the main body, and according to coding rules, marking the physical dimension, the application dimension and the time dimension on the structured data to form power information statistical analysis service application-oriented modeling data. The modeling data is managed and defined by using a power information application-oriented metadata management technique which realizes application of a main body metadata management method and application of an application index metadata management method. The method solves the problem of performing atomization and structuring treatment on the power information service data in practical application, and realizes a basic data model for standard storage of the power information.

Description

A kind of based on power information data modeling and applying metadata management

Technical field

The invention belongs to power information administrative skill field, relate to a kind of based on power information data modeling and applying metadata management.

Background technology

Along with the development of Automation of Electric Systems, informationization and interactive technology, the magnanimity feature of power information becomes increasingly conspicuous, and has covered various aspects such as power scheduling, transaction, finance, the production and operation and office service.How about effectively make up the power information data storage organization of unified standard, how power information data is effectively added up in each operation system, analyzes and is excavated, how supporting the effective use of user to business datum by the flexibility platform instrument, these have become each power information operation system user's of puzzlement bottleneck problem.In addition, along with continuing to bring out of the power informatization system of various service-orienteds, big multi-service data is with traditional relation table form storage, must be quite familiar when making system's locator data to the data with existing library structure, lack general data calling method.Therefore, how in enterprise and industry scope, effectively to integrate the miscellaneous service data, realize the effectively mutual of each inter-system data, set up unified data storage standard and management and control platform, but these power information data transaction modules that all need to provide the structuring of standard to handle.

The power information data modeling can identify under the prerequisite of standard in uniform data, sets up a kind of structurized data storage model, by corresponding metadata management method and instrument therewith, realizes power information data is effectively managed and controlled.

Summary of the invention

The present invention is directed to the power information data management and control pattern that how about effectively makes up unified standard, can realize the atomization and the structured storage management of power information data, support to make up the power information data system in data-oriented warehouse.

For solving the problems of the technologies described above, the present invention proposes a kind ofly to it is characterized in that based on power information data modeling and applying metadata management, may further comprise the steps:

1) based on the data modeling of power information: power information data is carried out structuring according to data subject physics dimension, index application and temporal handle, on each dimension mark, carry out the label management by power information level rule base, adopt power information data three-dimensional localization way to manage, set up the structured storage and the management and control pattern of three-dimensional localization power information data;

2) mark modeling data dimension:

Data subject physics dimension: 12 power information main body coding rules that adopt stratification, encoded attributes comprises electric power main body administrative division coding section, power equipment factory station track/professional member property coding section, power equipment component/business unit attribute coding section, set up application oriented data subject coding rule storehouse, and the automatically generated data main body is encoded in the data subject management and control is used;

Data are used the index dimension: adopt 10 power informations of stratification to use coding rule, encoded attributes comprises data application system coding section and application type coding section, set up application oriented data and use index coding rule storehouse, and use automatically generated data application coding in the index management and control application in data;

3) metadata based on the power information modeling data is managed, may further comprise the steps:

31) power information modeling data main body metadata management: adopt modeling data main body coding rule storehouse, to power plant, unit, company of electricity power group, grid company, transformer station, transmission line of electricity and economic management class business unit carry out the metadata schema management, power information main body coding is generated automatically by rule base, the coding section key word comprises data geographical space attribute, power equipment factory station track/professional member property and power equipment component/business unit attribute, modeling data keeps the uniqueness sign of main body coding, power information main body metadata management attribute comprises main body physics generic attribute and economic management generic attribute, realizes mapping relations management between economic management main body and power equipment physical bodies;

32) the power information modeling data is used the application of index metadata management: adopt modeling data to use index coding rule storehouse, application index attribute to modeling data carries out the metadata schema management, modeling data is used the index coding and is generated automatically by rule base, the coding section key word comprises data system attribute, apply property, and modeling data keeps using coding uniqueness sign;

33) management of power information modeling data metadata set is used: application-oriented extraction system metadata, form metadata service application collection, and the management of metadata application sets is divided into the physical bodies collection and uses index set; System metadata collector reason comprises data name and uses the location association attributes;

34) modeling data load balancing management method: in modeling data apply metadata registration management instrument, the index metadata is used in one of every generation, all judge automatically according to this defined system of application index and apply property, cycle data and default data fact table load threshold values whether the data item of specific data fact table management is out-of-limit, if out-of-limit, metadata management is used by the new data fact table of the automatic generation of rule and is deposited the newly-increased achievement data item of using.

Aforesaid based on power information data modeling and applying metadata management, it is characterized in that: in described step 32) in, Apply Names, linear module, cycle data, data type, economy and physical bodies attribute, data quality control attribute, data security attribute that index metadata management attribute comprises data used.

Aforesaid based on power information data modeling and applying metadata management, it is characterized in that: in described step 34) in, modeling data adopts the load balancing of partition table management data fact table automatically.

The beneficial effect that the present invention reached: the present invention proposes corresponding modeling data metadata management method and instrument on the data modeling method basis that proposes, and is extensive use of in real system.This data modeling and applying metadata management have improved the data statistic analysis to the power information business greatly, the support of excavation and display function, the power information operation system can be developed miscellaneous service supporting tool (as: flexible report tool on this data basis, online calculation services instrument, the custom curve instrument, SVG service analogue pattern exhibiting instrument etc.), solved the bottleneck problem of unified sign of power information data and uniform data management and control, adopt the method for " data physics dimension sign+data are used dimension sign+data time dimension sign " of power information, can form the complete trails data retrieval and the data sharing pattern of infosystem, improve electric power enterprise internal data management and control ability.

Description of drawings

Fig. 1 is a power information data modeling method synoptic diagram of the present invention;

Fig. 2 is a modeling data dimension labeling method synoptic diagram of the present invention;

Fig. 3 is an application dimension labeling method synoptic diagram of the present invention;

Fig. 4 is of the present invention based on power information modeling data application system data management Organization Chart;

Fig. 5 is a modeling data load balancing management flow chart of the present invention.

Embodiment

Data modeling method based on power information:

With reference to accompanying drawing 1, power information data is carried out structuring according to data subject physics dimension, index application and temporal to be handled, on each dimension mark, carry out the label management by power information stratification rule base, adopt power information data three-dimensional localization management (physics dimension, application dimension, time dimension) mode, set up a kind of structured storage and management and control pattern of three-dimensional localization power information data.

Power information data is carried out the fundamental purpose of modeling management and control:

1) unifies power information data structured storage standard;

2) power information data being carried out atomization by minimum unit handles;

3) on power information data atomization is handled the basis, carry out the stratification code identification according to the principal character attribute of power industry information data.

Modeling data dimension labeling method:

Data subject physics dimension: with reference to Fig. 2, adopt 12 power information main body coding rules of stratification, encoded attributes comprises electric power main body administrative division coding section (using standard GB/T 2260-2007), power equipment factory station track/professional member property coding section, power equipment component/business unit attribute coding section.The present invention has set up application oriented data subject coding rule storehouse, and the automatically generated data main body is encoded in the data subject management and control is used.

Data are used the index dimension: with reference to Fig. 3, adopt 10 power informations of stratification to use coding rule, encoded attributes comprises data application system coding section and application type coding section.The present invention has set up application oriented data and has used index coding rule storehouse, and uses automatically generated data application coding in the index management and control application in data.

Data time dimension: adopt the data rise time to carry out mark.

Modeling data is carried out the fundamental purpose and the effect of stratification attribute flags:

1) main body geospatial location, device type attribute and the hierarchical relationship thereof of label information data in power industry;

2) system property and apply property and the hierarchical relationship thereof of label information data in the power information service application;

3) the label information data rise time;

4) modeling data of mark can be supported by dimension in the management and control of application system data, be carried out data retrieval, statistical study and excavation by level;

5) modeling data of mark provides complete trails data access basis between system, can realize the data interaction operation of interdepartmental system, whole network.

Metadata management based on the power information modeling data:

The power information data modeling method that proposes according to the present invention has provided following metadata management method and the application technology of using towards power business.

1) power information modeling data main body metadata management is used

Adopt modeling data main body coding rule storehouse, to power plant, unit, company of electricity power group, grid company, transformer station, transmission line of electricity and economic management class business unit carry out the metadata schema management, power information main body coding is generated automatically by rule base, the coding section key word comprises data geographical space attribute, power equipment factory station track/professional member property and power equipment component/business unit attribute, modeling data keeps the uniqueness sign of main body coding, power information main body metadata management attribute comprises main body physics generic attribute and economic management generic attribute, has realized mapping relations management between economic management main body and power equipment physical bodies.

The fundamental purpose and the effect of modeling data main body metadata management application technology:

A) adopt the registration management of power information modeling data main body metadata information, can obtain the unique coding of data subject automatically by data subject coding rule storehouse, this is coded in the whole life of modeling data is unique main body attribute description, and it has identified the determinant attribute of data subject.

B) except that data main body determinant attribute directly is identified at the data subject coding, the data subject metadata management is used the description of the various association attributeses that modeling data is provided, as electricity power group, generating type, equipment scheduling type, capacity, electric pressure, enable and down time, the mapping relations of business unit and entity device etc., in the modeling data analytical applications, these attributes can carry out systematic searching, statistical study and data mining as required on the data physical dimension;

2) the power information modeling data is used the application of index metadata management

Adopt modeling data to use index coding rule storehouse, application index attribute to modeling data carries out the metadata schema management, modeling data is used the index coding and is generated automatically by rule base, the coding section key word comprises data system attribute, apply property, and modeling data keeps using coding uniqueness sign.Use Apply Names, linear module, cycle data, data type, economy and physical bodies attribute that index metadata management attribute comprises data, data quality control attribute, data security attribute etc.

Modeling data is used the fundamental purpose and the effect of index metadata management application technology:

A) adopt the management of application index metadata schema, can use index coding rule storehouse by data and obtain unique coding that system data is used dimension automatically, this is coded in the whole life of modeling data is that unique apply property is described, and it has identified data key in application attribute.

B) application data metadata management, the user can onlinely define, all modeling datas of management and control infosystem, onlinely carries out management and control work such as data quality control index, the setting of data security rank, control data depot data fact table load balancing.

3) management of power information modeling data metadata set is used

Application-oriented extraction system metadata forms metadata service application collection, and the management of metadata application sets is divided into the physical bodies collection and uses index set.System metadata collector reason has comprised association attributeses such as data name and application location.

The fundamental purpose and the effect of modeling data metadata set application management application technology:

A) adopt application oriented metadata set method, can in related service is used, locate the index condition of modeling data fast, effectively use modeling data for the service application of application-oriented data warehouse mass data storage great facility is provided.

B) the metadata set defining tool is supported the online definition of user, and online use application data set is for based on means graphical, that the procedure service application provides flexible analysis.

4) modeling data load balancing management method

In modeling data apply metadata registration management instrument, the index metadata is used in one of every generation, all judge automatically according to this defined system of application index and apply property, cycle data and default data fact table load threshold values whether the data item of specific data fact table management is out-of-limit, if out-of-limit, metadata management is used by the new data fact table of the automatic generation of rule and is deposited the newly-increased achievement data item of using.Modeling data can adopt the load balancing of partition table management data fact table automatically.Modeling data load balancing management fundamental purpose and effect:

The warehouse management mode of modeling data, the greatest problem of its experience is because data atomization tupe has brought the mass memory of data, very big raising along with the memory property and the processing speed of computer hardware, the lifting of database performance, opened the application space for the use of data warehouse gradually, reasonably use the load balance process method of modeling data, can further promote the data warehouse service efficiency and the data access storage speed that adopt data modeling.

Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.

Claims (3)

1. one kind based on power information data modeling and applying metadata management, it is characterized in that, may further comprise the steps:
1) based on the data modeling of power information: power information data is carried out structuring according to data subject physics dimension, index application and temporal handle, on each dimension mark, carry out the label management by power information level rule base, adopt the three-dimensional administrative mechanism of power information data, form storage, modification and the invocation pattern of power information data;
2) mark modeling data dimension:
Data subject physics dimension: 12 power information main body coding rules that adopt stratification, encoded attributes comprises electric power main body administrative division coding section, power equipment factory station track/professional member property coding section, power equipment component/business unit attribute coding section, set up application oriented data subject coding rule storehouse, and the automatically generated data main body is encoded in the data subject management and control is used;
Data are used the index dimension: adopt 10 power informations of stratification to use coding rule, encoded attributes comprises data application system coding section and application type coding section, set up application oriented data and use index coding rule storehouse, and use automatically generated data application coding in the index management and control application in data;
3) metadata based on the power information modeling data is managed, may further comprise the steps:
31) power information modeling data main body metadata management: adopt modeling data main body coding rule storehouse, to power plant, unit, company of electricity power group, grid company, transformer station, transmission line of electricity and economic management class business unit carry out the metadata schema management, power information main body coding is generated automatically by rule base, the coding section key word comprises data geographical space attribute, power equipment factory station track/professional member property and power equipment component/business unit attribute, modeling data keeps the uniqueness sign of main body coding, power information main body metadata management attribute comprises main body physics generic attribute and economic management generic attribute, realizes mapping relations management between economic management main body and power equipment physical bodies;
32) the power information modeling data is used the application of index metadata management: adopt modeling data to use index coding rule storehouse, application index attribute to modeling data carries out the metadata schema management, modeling data is used the index coding and is generated automatically by rule base, the coding section key word comprises data system attribute, apply property, and modeling data keeps using coding uniqueness sign;
33) management of power information modeling data metadata set is used: application-oriented extraction system metadata, form metadata service application collection, and the management of metadata application sets is divided into the physical bodies collection and uses index set; System metadata collector reason comprises data name and uses the location association attributes;
34) modeling data load balancing management method: in modeling data apply metadata registration management instrument, the index metadata is used in one of every generation, all judge automatically according to this defined system of application index and apply property, cycle data and default data fact table load threshold values whether the data item of specific data fact table management is out-of-limit, if out-of-limit, metadata management is used by the new data fact table of the automatic generation of rule and is deposited the newly-increased achievement data item of using.
2. according to claim 1 based on power information data modeling and applying metadata management, it is characterized in that: in described step 32) in, Apply Names, linear module, cycle data, data type, economy and physical bodies attribute, data quality control attribute, data security attribute that index metadata management attribute comprises data used.
3. according to claim 1 based on power information data modeling and applying metadata management, it is characterized in that: in described step 34) in, modeling data adopts the load balancing of partition table management data fact table automatically.
CN201010242384XA 2010-08-02 2010-08-02 Method for modeling on basis of power information data and applying metadata management CN101908176A (en)

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CN102073767A (en) * 2011-01-12 2011-05-25 南京南瑞继保电气有限公司 Method for managing metadata of virtual data warehouse of electric power information system group
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