Singularity analysis of Jeffcott rotor-magnetic bearing with time delays

被引：0
|
作者：
Xiu-yan Xu
Wei-hua Jiang
机构：
[1] Heilongjiang Institute of Science and Technology,Department of Mathematics
[2] Harbin Institute of Technology,Department of Mathematics
来源：
Applied Mathematics-A Journal of Chinese Universities | 2012年 / 27卷
关键词：
Jeffcott rotor-magnetic bearing; time delay; singularity; normal form; 34K20;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A Jeffcott rotor-magnetic bearing with time delays is investigated in this paper. Firstly, it is found that the characteristic equation of the system satisfies the conditions of the singularity. Secondly, the center manifold reduction and normal form are employed to study the bifurcation from simple zero and zero-purely imaginary singularities. The results of this paper will help to understand the influence of the time delays in feedback loop on the dynamics of rotor-magnetic bearing system.
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页码：419 / 427
页数：8
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