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Construction Method of Digital Twin System for Thin-Walled Workpiece Machining Error Control Based on Analysis of Machine Tool Dynamic Characteristics
被引：3
|作者：
Zhao, Wenkai
[1
]
Li, Rongyi
[1
]
Liu, Xianli
[1
]
Ni, Jun
[2
]
Wang, Chao
[2
]
Li, Canlun
[2
]
Zhao, Libo
[1
]
机构：
[1] Harbin Univ Sci & Technol, Sch Mech & Power Engn, Harbin 150080, Peoples R China
[2] China Aerosp Sci & Technol Corp, 8 Acad Shanghai Inst Spacecraft Equipment, Shanghai 200240, Peoples R China
来源：
基金：
中国国家自然科学基金;
关键词：
CNC machine tool;
digital twin;
micro service;
dynamic characteristics;
module coupling;
SIMULATION;
CHATTER;
D O I：
10.3390/machines11060600
中图分类号：
TM [电工技术];
TN [电子技术、通信技术];
学科分类号：
0808 ;
0809 ;
摘要：
In the intelligent optimization process of aerospace thin-walled parts, there are issues such as solidification of core knowledge base, high system coupling degree, and real-time evaluation and optimization feedback required for the knowledge base. These problems make it difficult to expand the functions of the digital twin system and meet the growing processing needs, ultimately hindering the application of digital twin technology. To address these issues, a digital twin system for controlling processing errors in thin-walled parts was built using a microservices architecture. In addition, a method for building a digital twin system at the processing unit level with the best coupling degree was proposed, mainly targeting the dynamic characteristics analysis knowledge base of thin-walled parts. Furthermore, to meet the requirements for backward compatibility of the processing unit level digital twin system, a comprehensive solution including the construction, operation, evaluation, optimization, and visualization of a knowledge base for the dynamic characteristics of the processing unit was proposed, providing guidance for the digital transformation and upgrading of CNC machine tools and the optimization of processing technology based on digital twin technology.
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页数：18
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