Journal
JOURNAL OF MANUFACTURING SYSTEMS
Volume 58, Issue -, Pages 52-64Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jmsy.2020.04.012
Keywords
Smart manufacturing; Digital twin; Manufacturing system design; Industry 4; 0; Cyber-physical systems
Categories
Funding
- KeyArea Research and Development Program of Guangdong Province [2019B090916002]
- National Key Research and Development Program of China [2018AAA0101700, 2019YFB1706200]
- Science and Technology Planning Project of Guangdong Province of China [2019A050503010, 2019A1515011815]
- National Natural Science Foundation of China [51675108, 51705091]
- Science and Technology Plan Project of Guangzhou [201804020092]
- Shenzhen Science and Technology Innovation Committee [JCY20170818100156260]
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Digital twin technology can be used for designing flow-type smart manufacturing systems, with a four-in-one design architecture called CMCO that includes configuration design, motion planning, control development, and optimization decoupling. A digital twin-based design platform, named Digital Twin System, was created using digital twin technology and the CMCO model, verifying the feasibility and efficiency of this design approach.
Digital twins can achieve hardware-in-the-loop simulation of both physical equipment and cyber model, which could be used to avoid the considerable cost of manufacturing system reconfiguration if the design deficiencies are found in the deployment process of the traditional irreversible design approach. Based on the digital twin technology, a quad-play CMCO (i.e., Configuration design-Motion planning-Control development-Optimization decoupling) design architecture is put forward for the design of the flow-type smart manufacturing system in the Industry 4.0 context. The iteration logic of the CMCO design model is expounded. Two key enabling technologies for enabling the customized and software-defined design of flow-type smart manufacturing systems are presented, including the generalized encapsulation of the quad-play CMCO model and the digital twin technique. A prototype of a digital twin-based manufacturing system design platform, named Digital Twin System, is presented based on the CMCO model. The digital twin-based design platform is verified with a case study of the hollow glass smart manufacturing system. The result shows that the Digital Twin System-based design approach is feasible and efficient.
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