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Thermal power plant multi-source data fusion method and device based on knowledge graph

A technology of knowledge graph and multi-source data, which is applied in the field of multi-source data fusion of thermal power plants based on knowledge graph, which can solve the problems of difficulty in updating knowledge base, and difficulty in effectively integrating distributed industry knowledge systems from different sources.

Pending Publication Date: 2020-02-11
HUADIAN LAIZHOU POWER GENERATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the problems existing in the prior art, the present invention provides a solution to the existing data fusion technology that is difficult to effectively integrate decentralized industry knowledge systems from different sources when facing the entire industry application field, and it is difficult to update the knowledge base. Problem-based multi-source data fusion method and device for thermal power plants based on knowledge graph

Method used

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  • Thermal power plant multi-source data fusion method and device based on knowledge graph
  • Thermal power plant multi-source data fusion method and device based on knowledge graph

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Embodiment 1

[0038] Such as Figure 1-2 as shown, figure 2 It is a flow chart of the knowledge graph construction method provided by the embodiment of the present invention. In order to facilitate the understanding of this embodiment, the method for constructing a knowledge map disclosed in the embodiment of the present invention is first introduced in detail.

[0039] (1) Step S101, establish the basic structure of the knowledge map according to the standardized system of thermal power plant equipment coding and the general data standard. The knowledge map can be logically divided into two levels: the schema layer and the data layer. The data layer is mainly composed of a series of facts, and knowledge will be stored in units of facts.

[0040] (2) Step S102, unify and standardize the relationships among the various entities in the infrastructure to obtain a standardized dictionary table with standard specifications. Specifically: the entity attribute of the entity is converted into t...

Embodiment 2

[0049] image 3 It is a schematic diagram of the knowledge map construction system provided by the embodiment of the present invention. refer to image 3 , the knowledge map construction system includes:

[0050] (1) knowledge graph infrastructure building module 10, used to establish the infrastructure of knowledge graph according to common data standards;

[0051] (2) The standard dictionary table generation module 20 is used to uniformly standardize the relationship between entities in the infrastructure to obtain a standard dictionary table with standard specifications. The Unified Specification Module 20 includes:

[0052] A triple data structure conversion unit 21, configured to convert the attributes and relationships of entities into triple data RDF;

[0053] The triple data unified definition unit 22 is configured to uniformly standardize entity attributes and entity relationship types and naming rules according to RDF.

[0054] (3) Multi-source data acquisition ...

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Abstract

The invention belongs to the field of power plant operation data processing, and particularly relates to a thermal power plant multi-source data fusion method and device based on a knowledge graph. The invention is used for solving the difficult problems that an existing data fusion technology is difficult to effectively integrate distributed industry knowledge systems of different sources when facing the whole industry application field, and a knowledge base is difficult to update. The invention provides a method and a system for constructing a knowledge graph in the thermal power field. Meanwhile, acquisition and fusion of multi-source data are realized based on the constructed knowledge graph.

Description

technical field [0001] The invention belongs to the field of power plant operation data processing, and in particular relates to a knowledge map-based multi-source data fusion method and device for a thermal power plant. Background technique [0002] With the rapid development of information construction in thermal power plants, a data fusion platform is established to integrate management information including equipment characteristic data, fault data, maintenance data, fault causes and processing information, value length logs, etc., as well as equipment operating status, process parameters, and equipment performance. It is becoming more and more important to establish a database for the entire life cycle of equipment and provide support for unit operation and maintenance decisions. However, thermal power plant data has many types, strong heterogeneity, and rapid data growth. Data fusion is facing great challenges. [0003] A knowledge graph is a huge knowledge network us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/28G06F40/295G06F40/242G06F40/247G06Q50/06
CPCG06F16/288G06Q50/06
Inventor 蒋蓬勃白帆李友志王继强苏涛卢意苏京彬宋峰
Owner HUADIAN LAIZHOU POWER GENERATION
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