Abstract
Digital twin (DT) technology, as one of the top strategic technology trends for 2020, has received widespread attention and has gradually been widely used in the smart manufacturing field. DT-based mechatronics equipment emphasizes the timeliness of online simulation decision-making and the promptness of model response. However, the established DT model covering all elements of mechatronics equipment involves multi-domain, multi-scale, and multi-dimensional. If this model is directly used for simulation analysis of specific applications, it will make the solution tedious and complicated and bring a waste of computational resources. Motivated by this need, an application-oriented reconfigured lightweight DT model design method for mechatronics equipment is studied in this paper. The method starts with an application-oriented analysis of the system decomposition, decomposition scheme evaluation, and core module identification criteria. Then, the above criteria are used as a guide to identifying the core system modules for this application, and the core system modules are optimized based on the idea of inheritance. Finally, the optimal system modules are validated and analyzed to ensure that the model-solving efficiency is improved as much as possible without losing this model’s necessary behavioral characteristics and dominant effects. A case study of virtual machining dynamic performance test bench (VM-TB) design scheme validation is carried out to show the implementation flow of the proposed method and verify its operability and effectiveness.
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This work is financially supported by the National Key Research and Development Program of China (Grant No. 2020YFB1708400), the National Natural Science Foundation of China (Grant No. 51875323), and the Taishan Scholarship special funding support.
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Wei, Y., Hu, T., Yue, P. et al. Reconfigured lightweight model design method for DT-based mechatronics equipment. Int J Adv Manuf Technol 131, 5437–5455 (2024). https://doi.org/10.1007/s00170-022-10707-0
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DOI: https://doi.org/10.1007/s00170-022-10707-0