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| Digital Twin and Design Knowledge Library-Driven Aircraft Assembly Line Design and Application |
| CHANG Xiao, JIA Xiaoliang, LIU Kuo |
| (School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710012, China) |
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Abstract Aircraft assembly line design has many influencing factors and complex relationships. Traditional design methods are usually difficult to quantitatively, accurately and visually analyze the aircraft assembly line design, and it is difficult to effectively discover the problems in the design scheme. This paper introduces digital twin technology to carry out research on the design and application of aircraft assembly line. By establishing the interactive environment and carrier of the design and operation for the digital twin aircraft assembly line, the real-time and accurate simulation analysis of the workflow, information flow and logistics of the aircraft assembly line is carried out to improve the quality and performance. Meanwhile the construction of aircraft assembly line design knowledge library is studied to support the modeling and simulation analysis of digital twin aircraft assembly line, which shortens the design cycle and improves the design efficiency. Through the practical application of digital twin driven design method in an aircraft fuselage assembly line design, the problems in workflow, logistics and layout were found effectively. According to quantitative simulation analysis of the capacity, station utilization and bottleneck of the digital fuselage assembly line, the line is optimized, and the quality and performance of the design are improved.
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2020, 
