A digital twin-based test bench system

A bench system and test bench technology, applied in the field of digital twin-based test bench systems, can solve the problems of less overall research and system analysis, and achieve the effect of enhancing safety effects and prolonging the life cycle

Active Publication Date: 2021-11-23
SHANGHAI MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the nonlinearity and complexity of factors such as oil film force, gap air force, and seal excitation force that affect the coupling effect of blade and rotor vibration, the current theoretical analysis, numerical calculation, and experimental research on the dynamic characteristics of the blade-rotor coupling system are comprehensively studied. and less system analysis

Method used

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  • A digital twin-based test bench system
  • A digital twin-based test bench system
  • A digital twin-based test bench system

Examples

Experimental program
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Embodiment 1

[0031] Such as figure 1 A digital twin-based test bench system is shown. The test bench system is composed of three subsystems. The subsystems are: physical test bench subsystem, virtual test bench subsystem and integrated service subsystem, physical test bench system and virtual The test bench systems are mutually mapped; the physical test bench system sends the first data stream to the integrated service system, and the integrated service system sends the first information stream corresponding to the first data stream to the physical test bench system; the virtual test bench system The second data stream is sent to the integrated service system, and the integrated service system sends a second information stream corresponding to the second data stream to the virtual test bench system. The three subsystems form a closed-loop connection through information flow and data flow.

[0032] It should be noted that the collected data includes useful information and redundant data, a...

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PUM

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Abstract

The present invention provides a digital twin-based test bench system, including: a physical test bench system, a virtual test bench system and an integrated service system; the physical test bench system and the virtual test bench system are mutually mapped; the physical The test bench system sends a first data stream to the integrated service system, and the integrated service system sends a first information stream corresponding to the first data stream to the physical test bench system; the virtual test The bench system sends a second data stream to the integrated service system, and the integrated service system sends a second information stream corresponding to the second data stream to the virtual test bench system. By applying the embodiments of the present invention, not only can the dynamic process of blade collision vibration be efficiently and fully studied, but also the law of influence of multiple nonlinear factors on the blade and rotor coupling system can be deduced through digital twin technology.

Description

technical field [0001] The invention relates to the technical field of blade vibration improvement tests, in particular to a digital twin-based test bench system. Background technique [0002] The blades of modern steam turbines are often operated in a super (super) critical and highly flexible state. According to statistics, about 70% of accidents in steam turbines are caused by blade accidents. Due to the nonlinearity and complexity of factors such as oil film force, gap air force, and seal excitation force that affect the coupling effect of blade and rotor vibration, the current theoretical analysis, numerical calculation, and experimental research on the dynamic characteristics of the blade-rotor coupling system are comprehensively studied. And system analysis is less. [0003] Digital twin refers to the establishment of twins of physical objects in information space in a digital way, through information interaction to simulate the behavior of physical objects in the re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/06G01M7/02
CPCG01M7/025G01M7/06
Inventor 刘震张青雷段建国秦际赟汪浩洋马天宇杨志威
Owner SHANGHAI MARITIME UNIVERSITY
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