数字孪生驱动的旋转叶盘振动状态全景感知方法

doi:10.3901/JME.2023.21.270

机械工程学报 ›› 2023, Vol. 59 ›› Issue (21): 270-282.doi: 10.3901/JME.2023.21.270

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数字孪生驱动的旋转叶盘振动状态全景感知方法

李宏坤, 魏代同, 陈玉刚, 许书本

大连理工大学机械工程学院大连 116024

收稿日期:2022-12-12 修回日期:2023-06-20 出版日期:2023-11-05 发布日期:2024-01-15
通讯作者: 李宏坤(通信作者)，男，1974年出生，教授，博士研究生导师。主要研究方向为故障诊断、智能运维、数字孪生。E-mail：lihk@dlut.edu.cn
作者简介:魏代同，男，1992年出生，博士研究生。主要研究方向为结构动力学、数字孪生、故障诊断。E-mail：wdt2020@mail.dlut.edu.cn；陈玉刚，男，1989年出生，副教授，硕士研究生导师。主要研究方向为转子动力学、振动抑制、故障诊断。E-mail：cyg@dlut.edu.cn；许书本，男，2000年出生，硕士研究生。主要研究方向为结构动力学、信号处理、故障诊断。E-mail：xushubeng@mail.dlut.edu.cn
基金资助:
国家重点研发计划(2020YFB2010800)和国家自然科学基金(92060105)资助项目。

A Full-field Sensing Method for Vibration State of Rotating Bladed Disks Driven by Digital Twin

LI Hongkun, WEI Daitong, CHEN Yugang, XU Shuben

School of Mechanical Engineering, Dalian University of Technology, Dalian 116024

Received:2022-12-12 Revised:2023-06-20 Online:2023-11-05 Published:2024-01-15

摘要/Abstract

摘要： 针对旋转叶盘在线振动监测方法仅能获取有限测点信息的局限性，提出了一种基于数字孪生概念的旋转叶盘全域振动状态虚拟感知技术架构。首先，应用数字孪生理论从物理空间和数字空间分别介绍了该技术体系中各个模块的功能和逻辑关系，阐述了实现旋转叶盘振动状态全景感知的技术路线。其次，详细描述了孪生模型构建、非接触振动测试、孪生模型动态更新、虚拟感知及可视化模块开发等关键技术和实现方法。最后，面向旋转叶盘试验件构建了全域振动状态虚拟感知原型系统，对各项关键技术进行了理论分析与验证，并最终实现了动位移场和动应变场的全域状态感知。该方法能够在现有测试手段的基础上获得更加全面的叶盘振动信息，为旋转叶盘的在线状态监测提供了一种新的理论架构，并为后续进行叶盘疲劳寿命分析及可靠性预测提供有效的数据支撑。

关键词: 旋转叶盘, 数字孪生, 虚拟感知, 动响应场, 三维可视化

Abstract: Aiming at the limitation that the on-line monitoring method of rotating bladed disk can only obtain limited measuring point information, a virtual sensing technology framework of the global vibration state of rotating bladed disk based on the digital twin is proposed. Firstly, the functions and logical relationships of each module in the technical system are introduced from the physical space and digital space by using the digital twin theory, and the technical route to realize the full-field sensing of the rotating bladed disk is described. Secondly, the key technologies and implementation methods of twin model construction, non-contact vibration test, update of twin model, virtual sensing and visual module development are described in detail. Finally, a global vibration state virtual sensing system of rotating bladed disk is constructed, and the key technologies are theoretically analyzed and verified, and the global state sensing of the dynamic response field is realized. This method can obtain more comprehensive vibration information of bladed disk on the basis of existing testing methods, which provides a new theoretical framework for on-line monitoring of rotating bladed disks, and provides effective data support for fatigue analysis and reliability prediction of bladed disks.

Key words: rotating bladed disk, digital twin, virtual sensing, dynamic response field, three-dimensional visualization

中图分类号:

TH17
TP391

李宏坤, 魏代同, 陈玉刚, 许书本. 数字孪生驱动的旋转叶盘振动状态全景感知方法[J]. 机械工程学报, 2023, 59(21): 270-282.

LI Hongkun, WEI Daitong, CHEN Yugang, XU Shuben. A Full-field Sensing Method for Vibration State of Rotating Bladed Disks Driven by Digital Twin[J]. Journal of Mechanical Engineering, 2023, 59(21): 270-282.

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数字孪生驱动的旋转叶盘振动状态全景感知方法

A Full-field Sensing Method for Vibration State of Rotating Bladed Disks Driven by Digital Twin

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