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Model construction of material distribution system based on digital twin

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Abstract

Aiming at the problems of poor periodicity of workshop material distribution, difficult prediction of station material demand time node, and redundant distribution route, this paper proposes a model construction method of material distribution system based on digital twin. Build a material distribution control mode based on digital twin, and establish a full-cycle material distribution mechanism on this basis to comprehensively optimize the distribution cycle from the material preparation stage, dynamic replenishment stage, and data transmission stage of adjacent distribution cycles. Build the digital twin model of material distribution system, establish the material demand time node dynamic prediction operation mechanism based on LSTM, accurately predict the station material demand time node, establish the material distribution route optimization model with the lowest total cost, and optimize the AGV route. Finally, it is applied to the asynchronous line workshop of A enterprise to verify the effectiveness of this method.

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Acknowledgements

The authors wish to acknowledge support from Staff of Industrial Engineering Project Team, School of Mechanical Engineering, Xi’an University of Science and Technology.

Funding

This work was supported by the [General program of National Natural Science Foundation of China] under Grant [number 52074210].

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All authors contributed equally to the generation and analysis of experimental data and the development of the manuscript.

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Correspondence to Yunrui Wang.

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Wang, Y., Jiang, Z. & Wu, Y. Model construction of material distribution system based on digital twin. Int J Adv Manuf Technol 121, 4485–4501 (2022). https://doi.org/10.1007/s00170-022-09636-9

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