Abstract: With the improvement of design and manufacturing process intelligence,the research on production system simulation based on digital twin technology is of great significance for domestic autonomous industrial software.On the basis of analyzing the characteristics and application requirements of production system simulation software based on digital twin,the key technologies of production system simulation software were described,including digital twin,production system twin model construction,production system simulation optimization and discrete event-based simulation engine.The application of production system simulation software was summarized by integrating the current domestic and foreign production system simulation software.Based on the simulation software features of digital twin production system,and the close integration with digital twin model high-fidelity representation,efficient design,efficient simulation,and human-computer interaction,the technical challenges and trends of digital twin-based production system simulation software were discussed to provide reference for the independent research and development of digital twin-based production system simulation software in China.

Key words: Project supported by the Hubei Provincial Science and Technology Major Projects,China(No.2021AAA007),and the National Key Research and Development Program “Network Collaborative Manufacturing and Smart Factory” Special Foundation,China(No.2018YFB1701001).

摘要： 随着设计和制造过程智能化程度的提升,基于数字孪生技术开展生产系统仿真的研究对国产自主化工业软件具有重要意义。在解析基于数字孪生生产系统仿真软件的特征和应用需求的基础上,阐述了生产系统仿真软件的关键技术,包括生产系统孪生模型构建、生产系统仿真优化和离散事件基础仿真引擎;通过整合国内外生产系统仿真软件,总结了生产系统仿真软件的应用;基于数字孪生的生产系统仿真软件的特征,以及软件与数字孪生模型高保真表示、高效构建、高效仿真和人机交互等的紧密结合,探讨了基于数字孪生的生产系统仿真软件开发的技术挑战与发展趋势,以期为我国基于数字孪生的生产系统仿真软件的自主研发提供参考。

关键词: 湖北省科技重大资助项目(2021AAA007), 国家重点研发计划“网络协同制造和智能工厂”专项资助项目(2018YFB1701001)。