Study on the construction theory of digital twin mechanism model for mechatronics equipment
Study on the construction theory of digital twin mechanism model for mechatronics equipment
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机电装备数字孪生机构模型构建理论研究
DOI：
10.1007/s00170-022-09144-w
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发表时间：
2022-04
期刊：
影响因子：
--
通讯作者：
Songhua Ma
中科院分区：
文献类型：
--
作者：
Yongli Wei;Tianliang Hu;Pengjun Yue;Weichao Luo;Songhua Ma
数字孪生（DT）技术目前被认为是现实世界系统数字表示的关键技术。 DT技术在智能制造中的应用，可以为基于模型仿真的机电一体化装备应用分析提供精准的模型支撑。然而，对于机电液控耦合的机电一体化装备复杂系统，如何快速有效地构建其一致的多域DT机构模型已成为DT技术在该领域广泛应用的最大障碍。因此，在综合现有机电一体化装备模型构建方法的基础上，提出多领域、多层次、参数化、一致的机电一体化装备DT机理模型构建指南。基于所提出的模型构建指南，给出了机电一体化设备的DT机构模型构建流程。最后，利用Simscape构建了一致的计算机数控机床（CNCMT）多域DT机构模型，验证了所提方法的可行性。本文的解决方案为使用DT技术解决特定应用问题的工程师或研究人员提供了可靠、快速、一致的机理模型以及构建指南和理论体系。同时，本文虚拟调测应用案例的实现，为基于DT模型的业务分析提供了应用指导。
The digital twin (DT) technology is currently considered a key technology for the digital representation of real-world systems. The application of DT technology in smart manufacturing can provide accurate model support for the analysis of mechatronic equipment applications based on model simulations. However, for such a mechanics-electric-hydraulic-control coupled complex system of mechatronics equipment, how to quickly and effectively construct its consistent multi-domain DT mechanism model has become the biggest obstacle to the wide application of DT technology in this field. Therefore, based on the synthesis of existing model construction methods for mechatronics equipment, this paper proposes multi-domain, multi-level, parametric, and consistent mechatronics equipment DT mechanism model construction guidelines. Based on the proposed model construction guidelines, a DT mechanism model construction process for mechatronics equipment is given. Finally, a consistent multi-domain DT mechanism model of computer numerical control machine tools (CNCMT) is constructed bySimscape, to verify the feasibility of the proposed method. The solutions in this paper provide a reliable, rapid, and consistent mechanism model along with construction guidelines and theoretical systems for engineers or researchers that use DT technology to solve specific application problems. Also, the implementation of the virtual commissioning application case in this paper provides application guidance for service analysis based on the DT model.
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