【摘要】 为理解当前工程物理信息系统(CPS)的发展方向与趋势，以及知识图谱分析方法，文中对物理信息系统文献进行可视化分析。结果表明：中心度较高的研究热点包括物联网与CPS系统的渗透趋同，基于物理信息系统的智能制造、状态估计功能的增强优化；前沿研究方向包括电网系统与物理信息系统的融合，信息系统的攻击研究及防御优化；前沿研究主题包括数字孪生与CPS的融合应用，CPS在智能制造上的应用，CPS与物联网及云计算的协同运作。最后，文中对物理信息系统领域的后续研究提出了相应的对策及建议。更多还原

【Abstract】 In order to understand the development direction and trend of Cyber-Physical System(CPS) as well as the knowledge map analysis method, a visual analysis of CPS literature is carried out in this paper. The results show that, research hotspots with high centrality include penetration and convergence of IoT and CPS systems, intelligent manufacturing based on CPS, and enhanced optimization of state estimation functions. Frontier research directions include power grid systems and CPS integration, information system attack research and defense optimization. Frontier research topics include the fusion application of digital twin and CPS, the application of CPS in intelligent manufacturing, the collaborative operation of CPS, IoT and cloud computing. Finally, this paper puts forward relevant countermeasures and suggestions for the following research in the field of CPS.更多还原