摘要
数字孪生可以真实地反映物理世界,车间生产过程数字孪生可以使生产过程透明化,利用孪生数据可以优化生产。为此,在数字孪生的理论背景下,建立了车间生产过程数字孪生系统体系架构,并对系统实现的3项关键技术——车间生产过程关键要素数字孪生建模与实现、基于OPC统一架构的车间生产过程物理实体数据获取以及车间生产运行实时映射进行了详细阐述。最后,对车间实际生产线进行了数字孪生的实现,验证了所提方案的正确性和有效性,为车间生产过程数字孪生的实现提供了技术解决方案。
Digital twin could faithful map the physical world.The digital twin of production process in the workshop can make the production process more transparent,and the production can be optimized with the twin data.With the theoretical background of digital twin,the framework of the digital twin system for production process in the workshop was constructed.The key technologies which included the method of digital twin modeling for key factors in the workshop,physical entity data collection based on OLE for Process Control Unified Artichitecture(OPC-UA)and real-time mapping of workshop operation were elaborated.Meanwhile,the digital twin system for a production line was realized,which verified the correctness and effectiveness of the proposed method.The proposed method provideed the technical solution to the realization of digital twin for production process in the workshop.
作者
柳林燕
杜宏祥
汪惠芬
刘庭煜
LIU Linyan;DU Hongxiang;WANG Huifen;LIU Tingyu(School of Mechanical Engineering,Nanjing University of Science&Technology,Nanjing 210094,China)
出处
《计算机集成制造系统》
EI
CSCD
北大核心
2019年第6期1536-1545,共10页
Computer Integrated Manufacturing Systems
基金
国家自然科学基金资助项目(51705256)
中央高校基本科研业务费专项资金资助项目(30917011303)~~
关键词
数字孪生
生产过程
孪生模型
OPC统一架构
数字空间
实时映射
digital twin
production process
twin model
OLE for process control unified artichitecture
digital space
real-time mapping
