Electromechanical equipment lean design method based on digital twin

A design method and lean technology, applied in electrical digital data processing, computing, special data processing applications, etc., can solve problems such as model inaccuracy, and achieve the effect of ensuring accuracy, data accuracy, and applicability

Active Publication Date: 2019-06-25
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the objectivity, authenticity and accuracy of the design working condition model and the inaccuracy of the model...

Method used

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  • Electromechanical equipment lean design method based on digital twin
  • Electromechanical equipment lean design method based on digital twin
  • Electromechanical equipment lean design method based on digital twin

Examples

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Embodiment 1

[0044] A digital twin-based lean design method for electromechanical equipment includes physical space and digital space. The physical space maps basic data to digital space through the digital twin mapping module. Such as figure 1 shown.

[0045] The physical space includes electromechanical equipment and data sensing devices.

[0046] The digital space includes a lean design requirement module, an application-oriented working condition data generation module, a lean design simulation module, and a lean design evaluation module; the lean design requirement module is used to analyze the performance indicators proposed by different equipment demanders to obtain design requirements, Provide demand guidance for the subsequent lean design simulation analysis; the data sensing device collects the basic data of electromechanical equipment and maps the basic data to the working condition data generation module through the digital twin mapping module, and the working condition data g...

Embodiment 2

[0051] A lean design method for electromechanical equipment based on digital twins, the method is as described in Example 1, the difference is that data preprocessing includes data cleaning, data integration, data transformation, and data reduction, all of which are existing conventional data processing methods. The preprocessing operation, so that the clean and tidy basic data after preprocessing is obtained. Data storage refers to storing analysis data in the distributed storage system HBase.

Embodiment 3

[0053] A lean design method for electromechanical equipment based on digital twins, the method is as described in Embodiment 1, the difference is that the working condition model includes statistical working conditions, model simulation-oriented structural mechanics working conditions, model-based Simulation-oriented thermodynamics cases, model-oriented hydrodynamics cases, and model-oriented electromagnetics cases. The working condition model is a complete hierarchical and clear model used to describe the working condition, which is constructed by filling in the corresponding domain knowledge of the research object. The construction and application ideas of the working condition model are as follows: figure 2 As shown, firstly, the working condition model can be divided into several elements such as equipment, workpiece and environment. Then, under the equipment working condition model, it is divided into different subsystems according to the composition or function of the ...

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Abstract

An electromechanical equipment lean design method based on digital twin comprises a physical space and a digital space, and the physical space and the digital space map data collected by a sensing device to the digital space through a digital twin mapping module. The digital space comprises a working condition model design module, a working condition data generation module and a lean design optimization and evaluation module, and the working condition model design module comprises a working condition data analysis and working condition model design method. The working condition data generationmodule comprises a working condition data demand analysis method, a perception data preprocessing method and a working condition model instantiation method. The lean design optimization and evaluation module comprises a lean design method selection and optimization evaluation method. Through the electromechanical equipment lean design driven by digital twin, the problems of subjective data and inaccurate model caused by manual analysis in the traditional optimization design can be avoided, the feedback time of design defects in the design is shortened, and a more objective and accurate optimization simulation result can be obtained.

Description

technical field [0001] The invention relates to a method for lean design of electromechanical equipment based on digital twins, specifically a method for lean design of electromechanical equipment based on a digital twin model of electromechanical equipment and loading real working condition data, belonging to the technical field of intellectualization and digitalization of electromechanical equipment . Background technique [0002] In recent years, with the development of CPS (Cyber-Physical Systems) technology, Digital Twin (Digital Twin) technology has gradually become a hot spot in academic research. Digital twin technology makes full use of data such as physical models, sensor updates, and operating history, integrates multi-disciplinary, multi-physical quantities, multi-scale, and multi-probability simulation processes, and completes the mapping in the virtual space to truly reflect the corresponding physical equipment. That is, digital twins are digital copies of var...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 胡天亮张文龙魏永利张承瑞陶飞
Owner SHANDONG UNIV
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