磁悬浮支承转子系统动力学特性计算与分析  

Dynamic Performance of Rotor System supported by AMB

作　　者：万金贵[1] 汪希平[2] 江鹏[2] 贾东方[2] 李文鹏[2] 

机构地区：[1]上海第二工业大学,上海201209 [2]上海大学,上海200072

出　　处：《应用力学学报》2008年第3期405-410,共6页Chinese Journal of Applied Mechanics

基　　金：国家自然科学基金(No.50475181);上海高校选拔培养优秀青年教师科研专项基金(No.YQ306006)联合资助

摘　　要：介绍一种磁悬浮支承条件下的柔性转子系统临界转速及稳定性计算方法,并对其步骤予以详解。该方法基于传统转子动力学中的改进的传递矩阵法,并结合磁悬浮轴承刚度阻尼系数计算的特点,编制了完整的系统临界转速和稳定性计算程序。最后通过一个计算实例及其实验结果的验证,表明了该计算方法的有效性。Active magnetic levitated bearing becomes a new type of high performance supporting device. A new scheme is proposed for analyzing and calculating the critical speeds and stability of the rotor system with high rotation speed and specially supported by active magnetic bearings. Based on the improved transfer matrix method in customary rotor dynamics, the characteristics of the stiffness and dampness coefficients of AMB are considered, the full computer program for calculating the critical speeds and stability of the rotor system is coded. As an example, the performance of rotor dynamics of AMB for a 150m3 turbo oxygen gas expander is investigated to verify the effectiveness.

关 键 词：电磁轴承转子系统 转子动力学 临界转速 稳定性 刚度 阻尼 

分 类 号：TH133.3[机械工程—机械制造及自动化]