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Industrial digital twinning virtual and real data fusion method, system, device and terminal

A data fusion, virtual and real technology, applied in special data processing applications, unstructured text data retrieval, semantic tool creation, etc., to achieve the effect of close connection, solving multi-source heterogeneity and semantic heterogeneity, and diverse structures

Pending Publication Date: 2021-10-26
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The difficulty of solving the above problems and defects is: how to provide a unified formal expression method for heterogeneous virtual and real data with different sources and structures, eliminate the barriers of multi-source heterogeneity and semantic heterogeneity in the fusion process of virtual and real data, and further improve virtual and real data. The efficiency of data fusion is a problem in current data fusion technology

Method used

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  • Industrial digital twinning virtual and real data fusion method, system, device and terminal
  • Industrial digital twinning virtual and real data fusion method, system, device and terminal
  • Industrial digital twinning virtual and real data fusion method, system, device and terminal

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Embodiment 1

[0108] Aiming at the problems described in the background technology, the present invention proposes an ontology-based industrial digital twin virtual-real data fusion method, adopting the following technical solutions:

[0109] (1) Obtain virtual and real data in the process of industrial production.

[0110] (2) According to the ontology description language and ontology construction principles, a set of ontology construction methods for the industrial field is proposed; and the construction of global ontology and local ontology is realized. Its construction process is as follows Figure 4 shown.

[0111] (2.1) Determining the application field and scope of ontology: the scope of application of the clearly constructed ontology is the industrial field.

[0112] (2.2) Data collection and analysis: Through the collected industrial virtual and real data, introduce the conceptual terminology of the industrial domain database to clarify the virtual and real data, so as to ensure...

Embodiment 2

[0171] refer to figure 2 , the specific implementation steps of the present invention are as follows:

[0172] Step 1: Obtain the virtual and real data of the digital twin of the casting process of the fan hub.

[0173] Step 2: According to ontology construction method and WOL+RDFS standard ontology modeling language, construct global ontology and local ontology of fan hub casting process:

[0174] (2.1) Use the ontology modeling language to describe the relationship between some concepts and attributes in the global ontology of the wheel hub casting process. The partial ontology description language of the global ontology of the wheel hub casting process is shown in Table 2.

[0175] Table 2 OWL+RDFS Ontology Description Results

[0176]

[0177]

[0178] According to the ontology construction method and the industrial manufacturing domain database, the knowledge in the wheel hub casting process is extracted and established from the concept entities, concept attribut...

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Abstract

The invention belongs to the technical field of industrial intellectualization, and discloses an industrial digital twinning virtual and real data fusion method, system, device and terminal, and the industrial digital twinning virtual and real data fusion method comprises the steps: obtaining virtual and real data in an industrial production process; constructing a global ontology and a local ontology according to an ontology description language and an ontology construction principle; carrying out semantic feature extraction on industrial digital twinborn structured and unstructured virtual and real data; realizing mapping from the local ontology to the global ontology based on a similarity algorithm; and completing fusion of industrial digital twinning virtual and real data based on the fusion rule. The industrial digital twinning virtual-real data fusion method provides a feasible solution for fusion of industrial digital twinning virtual-real data, has higher applicability, can realize the value of the virtual-real data, promotes sharing of the virtual-real data, reduces repeated use of the virtual-real data, and the industrial digital twinning can make full use of the fused data to carry out accurate prediction and reliable decision making.

Description

technical field [0001] The invention belongs to the technical field of industrial intelligence, and in particular relates to an industrial digital twin virtual-real data fusion method, system, equipment, and terminal. Background technique [0002] At present, the core of digital twin technology is the model and data. It mainly uses the model as the carrier and is driven by the data. Through the fusion analysis of the data, the behavior of the physical entity in the real environment can be simulated, and the valuable data in each data can be effectively utilized. The information enables the industrial production process to truly realize "data-centric production". The industrial production process includes product research and development, manufacturing production and equipment service and other stages. For example, in the research and development stage, the accuracy of product design will be improved through the fused data; in the production stage, optimized production decis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06F16/36
CPCG06F16/367G06F18/251
Inventor 殷磊孔宪光常建涛杨开润
Owner XIDIAN UNIV
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