冲击激励下磁悬浮转子系统的响应特性分析  

Analysis of Response Characteristics of Magnetic Suspension Rotor System under Shock Excitation

作　　者：邹博 徐园平[1] 周瑾[1] ZOU Bo;XU Yuanping;ZHOU Jin(College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]南京航空航天大学机电学院,江苏南京210016

出　　处：《机械制造与自动化》2020年第5期41-43,共3页Machine Building & Automation

基　　金：国家自然科学基金资助项目(51675261);江苏高校“青蓝工程”资助项目。

摘　　要：由于基础承受垂向冲击时,磁悬浮转子系统的转子与定子极易碰撞,重点研究垂向冲击激励下磁悬浮转子系统的响应特性。通过龙格库塔法,计算磁悬浮转子系统的冲击响应,并分析冲击激励和不平衡力波动对响应特性的影响。结果表明,冲击脉宽和转速对响应幅值增大的速度有显著影响。This paper considers that the rotor and stator in the magnetic suspension rotor system can easily collide when the foundation is subjected to vertical impact,so it focuses its attention on a study of its response characteristics under vertical impact excitation.The impact response of this system is calculated by Runge-kutta method,and the influence of impact excitation and unbalance force fluctuation on its response characteristics is analyzed.The results show that pulse width and rotation speed have a significant effect on the response amplitude.

关 键 词：磁悬浮轴承 转子 冲击激励 不平衡力 

分 类 号：TH133.3[机械工程—机械制造及自动化]