Stability of periodic motion on the rotor-bearing system with coupling faults of crack and rub-impact

被引：16
|
作者：
Luo, Yue-Gang [1 ]
Ren, Zhao-Hui
Ma, Hui
Yu, Tao
Wen, Bang-chun
机构：
[1] Dalian Nationalities Univ, Dalian, Peoples R China
[2] Northeastern Univ, Shenyang, Peoples R China
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2007年 / 21卷 / 06期
关键词：
rotor-bearing system; crack and rub-impact; Floquet theory;
D O I：
10.1007/BF03027058
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A dynamic model was set up for the rotor-bearing system with coupling faults of crack and rub-impact. Using the continuation-shooting algorithm for periodic solution of nonlinear non-autonomous system, the stability of the system periodic motion was studied by the Floquet theory. The saddle-node bifurcation, periodic-doubling bifurcation and the Hopf bifurcation were found. There are peculiar dynamic characteristics of the rotor-bearing system with coupling faults of crack and rub-impact that differs from single fault. The conclusions provide theoretic basis reference for the failure diagnosis of the rotor-bearing system with coupling faults of crack and rub-impact fault.
引用
收藏
页码：860 / 864
页数：5
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