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| Study on Application of Digital Twin Workshop in Assembly Process of Complex Products |
| HU Xiukun, ZHANG Lianxin |
| (Institute of Mechanical Manufacturing Technology, China Academy of Engineering Physics, Mianyang 621900, China) |
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Abstract The digital twin workshop (DTW) uses digital twin technology as the core, which could effectively solve the bottleneck of the physical-cyberspace fusion in workshop. The characteristics of the current complex products assembly process are summarized, the concept of as-built assembly model, as well as the framework of the DTW for complex products assembly including physical entity layer, model data layer, iterative analysis layer, and collaborative service layer, are proposed. The regulating method of assembly process with assembly modified model as the core and the operation mechanism of assembly DTW are studied. On this basis, the contribution of the DTW to the efficiency promotion of the assembly process is analyzed, and a new idea for improving the complex products assembly workshop is provided.
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2021, 
