针对高速运行的转子通过转子轴承传递到外壳的振动分析通常采用有限元分析（finite element analysis, FEA）法。FEA方法重点关注静力特性和磁通量分布，计算费时且对设计变更的响应灵活性差。其他建模方法，如，等效磁路（equivalent magnetic circuit, EMC）仅提供有关静态工作点的信息，同时忽略了磁饱和产生的影响，而负载越大、转速越高，磁饱和效应会越显著。因此，在基于替代参数的简化磁体模型中识别出重要的影响因素具有一定的挑战。 

IUTAM前司库、IMSD前主席、德国斯图加特大学Peter Eberhard教授团队、德国卡尔斯鲁厄理工学院Martin Doppelbauer教授团队和Frank Henning教授团队受邀共同在由工业和信息化部主管、南京理工大学主办的《国际机械系统动力学学报（英文）》（International Journal of Mechanical System Dynamics, IJMSD）发表了题名为“同步电机瞬态效应动力学仿真的电磁简化模型”的研究论文。该文旨在展示一种同步电机动力学瞬态仿真新方法，采用考虑重要影响因素的简化方法对气隙中的磁力进行高效计算。建立磁力模型时，构建了考虑磁饱和及漏磁通并将其与电路耦合的等效磁路；计算后得到的磁力传递至电机动力学模型。新方法在预定义负载转矩的条件下可确定电机旋转和轴承受力，从而可动态计算出由转轴传递至电机壳体的力。该方法为评估电机在不同负载和输入电压下的振动、噪音和平顺性提供了解决方案。

八极三相同步电机仿真模型

作者简介

Florian Bechler received his B.Sc. and M.Sc. degrees in Engineering Cybernetics from the University of Stuttgart, Germany, in 2017 and 2020. He is currently a doctoral student and a member of the research staff at the Institute of Engineering and Computational Mechanics at the University of Stuttgart. His research interests include modeling of multibody systems dynamics, and multi-disciplinary systems.

Julius Kesten received his B.Sc. and M.Sc in Mechatronics and Information Technology in 2016 and 2020 from the Karlsruhe Institute of Technology (KIT), Germany. Since 2020 he works as research assistant at the Institute of Electrical Engineering at the KIT. His research interests include the design of synchronous reluctance and variable flux machines as well as the numerical optimization of electric machines.

Florian Wittemann  received his B.Sc. and M.Sc. in mechanical engineering in 2013 and 2016. Since 2017 he is Ph.D. student and research assistant and the Institute of Vehicle System Technology chair of Lightweight Technology of the Karlsruhe Institute of Technology (KIT), Germany. His research focus is the flow modeling of discontinuous fiber reinforced polymers with main focus on the fiber matrix interactions during mold filling.

Frank Henning is professor and director at the Institute of Vehicle System Technology chair of Lightweight Technology of the Karlsruhe Institute of Technology (KIT), Germany since 2008 and associate research professor at the Institute of Mechanical and Materials Engineering of the Western University, Canada since 2010. He is deputy director of the Fraunhofer institute of chemical technology Pfinztal, Germany and since 2016 he is president of the SAMPE Germany e.V. Additionally, he leads the Fraunhofer project centers in Ulsan, Korea and London, Ontario, Canada.

Martin Doppelbauer is full professor since 2011 at the Institute of Electrical Engineering (ETI) at the Karlsruhe Institute of Technology (KIT) in Karlsruhe, Germany. He holds a chair for Hybrid Electric Vehicles. Prior to that, he worked in industry for 15 years, most recently as head of electrical machine development at SEW Eurodrive GmbH in Bruchsal. Martin Doppelbauer is also active in national and international standardization. He is the chairman of IEC Technical Committee 2 Rotating Electrical Machines.

Peter Eberhard is full professor and since 2002 director of the Institute of Engineering and Computational Mechanics (ITM) at the University of Stuttgart, Germany. He was Treasurer and Bureau member of IUTAM, the International Union of Theoretical and Applied Mechanics, and served before in many national and international organizations, e.g., as Chairman of the International Association for Multibody System Dynamics (IMSD) or German Committee for Mechanics (DEKOMECH).

期 刊 简 介

IJMSD由来自12个国家的15位院士、14位国际学会主席、13位其他国际期刊主编等53位科学家和国际出版巨头美国Wiley出版社合作创立。主编为南京理工大学芮筱亭院士，3位合作主编分别是加拿大皇家学会会士、加拿大工程院院士、欧洲科学院院士、加拿大麦吉尔大学Marco Amabili院士，国际理论与应用力学联盟(IUTAM)前司库、国际多体系统动力学协会(IMSD)前主席、德国斯图加特大学Peter Eberhard教授和美国工程院及科学院两院院士、英国皇家学会外籍院士、欧洲科学院外籍院士、中国科学院外籍院士、美国工程科学协会前主席、美国西北大学Yonggang Huang院士。

IJMSD旨在用机械系统动力学科学与技术为现代装备设计、制造、试验、评估和使用全生命周期性能的提升提供先进的理论、软件、方法、器件、标准，为全球科学家和工程专家提供广泛的机械系统动力学国际交流平台。IJMSD强调从“系统”视角及系统级工具理解动力学，所涉及的机械系统不仅包括各种不同尺度的机械系统和结构，还包括具有多物理场/多学科特征的综合机械系统。

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