车间生产过程数字孪生系统构建及应用
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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.
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.
引文
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[15]TAO Fei,ZHANG Meng.Digital twin shop-floor:A new shop-floor paradigm towards smart manufacturing[J].IEEEAccess,2018,5:20418-20427.
[16]YUAN Hongli,LV Jing,LIU Feng.Field device integration based on OPC UA client/server[J].Journal of Southwest China Normal:Natural Science,2012,37(3):141-145(in Chinese).[原红丽,吕静,刘枫.基于OPC UA客户端/服务器的现场设备集成[J].西南师范大学学报:自然科学版.2012,37(3):141-145.]
[2]ELISA N,LUCA F,MARCO M.A review of the roles of Digital twin in CPS-based production systems[J].Procedia Manufacturing,2017,11:939-948.
[3]FENG Wei,QIN Yu,ZHAO Shijun,et al.AAoT:lightweight attestation and authentication of low-resource things in IoT and CPS[J].Computer Networks,2018,134:167-182.
[4]RIKARD S,KRISTINA W,JOHAN S C,et al.Toward a Digital Twin for real-time geometry assurance in individualized production[J].CIRP Annals-Manufacturing Technology,2017,66(1):137-140.
[5]BENJAMIN S,NABIL A,LUC M,et al.Shaping the digital twin for design and production engineering[J].CIRP AnnalsManufacturing Technology,2017,66(1):141-144.
[6]ERIC J T,ANTHONY R I,THOMAS G E,et al.Reengineering aircraft structural life prediction using a digital twin[EB/OL].[2018-03-02].https://www.hindawi.com/journals/ijae/2011/154798/.
[7]LI Chenzhao,SANKARAN M,LING You,et al.Dynamic bayesian network for aircraft wing health monitoring digital twin[J].AIAA Journal,2017,55(3):930-941.
[8]IGLESIAS D,BUNTING P,ESQUEMBRI S,et al.Digital twin applications for the JET divertor[J].Fusion Engineering and Design,2017,125:71-76.
[9]KNAPP G L,MUKHERJEE T,ZUBACK J S,et al.Building blocks for a digital twin of additive manufacturing[J].Acta Materialia,2017,135:390-399.
[10]TAO Fei,LIU Weiran,LIU Jianhua,et al.Digital twin and its potential application exploration[J].Computer Intergrated Manufacturing Systems,2018,1(24):1-18(in Chinese).[陶飞,刘蔚然,刘检华,等.数字孪生及其应用探索[J].计算机集成制造系统,2018,24(1):1-18.]
[11]BEATE B,VERA H.Digital twin as enabler for an innovative digital shopfloor management system in the ESB logistics learning factory at Reutlingen university[J].Procedia Manufacturing,2017,9:198-205.
[12]GUO Dongsheng,BAO Jingsong,SHI Gongwei,et al.Research on modeling of aerospace structural parts manufacturing workshop based on digital twin[J].Journal of Donghua University,2018,44(4):578-585,607(in Chinese).[郭东升,鲍劲松,史恭威,等.基于数字孪生的航天结构件制造车间建模研究[J].东华大学学报,2018,44(4):578-585,607.]
[13]GREYCE N S,CHARLES S,CARLOS E P,et al.Digital twin data modeling with AutomationML and a communication methodology for data exchange[J].IFAC-Papers OnLine,2016,49(30):12-17.
[14]JENS E,JERKER D,HASAN D,et al.Towards industrial Internet of Things:an efficient and interoperable communication framework[C]//Proceedings of the 2015IEEE International Conference on Industrial Technology(ICIT).Washington,D.C.,USA:IEEE,2015:2198-2204.DOI:10.1109/IC-IT.2015.7125421.
[15]TAO Fei,ZHANG Meng.Digital twin shop-floor:A new shop-floor paradigm towards smart manufacturing[J].IEEEAccess,2018,5:20418-20427.
[16]YUAN Hongli,LV Jing,LIU Feng.Field device integration based on OPC UA client/server[J].Journal of Southwest China Normal:Natural Science,2012,37(3):141-145(in Chinese).[原红丽,吕静,刘枫.基于OPC UA客户端/服务器的现场设备集成[J].西南师范大学学报:自然科学版.2012,37(3):141-145.]