Study on Nonlinear Dynamics of Complicated Bearing-rotor System with Multi-faults

被引：0
|
作者：
Chen Li [1 ]
Zhang Xun [1 ]
Zhu Xiangzhe [1 ]
机构：
[1] Liaoning Shihua Univ, Sch Mech Engn, Fushun Liaoning 113001, Peoples R China
来源：
ICMS2010: PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON MODELLING AND SIMULATION, VOL 2: MODELLING AND SIMULATION IN ENGINEERING | 2010年
关键词：
complicated bearing-rotor system; coupling faults; nonlinear dynamics; chaos motions;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Based on nonlinear dynamic properties, the dynamic model of two-span bearing-rotor with coupling nonlinear oil film and rubbing force were studied by means of numerical simulation. The effects of oil film and rubbing force on bifurcation and chaos behaviors of the system were analyzed. The system state trajectory, bifurcation maps, amplitude spectrum and phase diagram were used to reveal abundant nonlinear dynamic behaviors of the bearing-rotor system. The results show that the system of bearing-rotor with nonlinear impact-rub and oil film force has abundant nonlinear dynamic behaviors, such as periodic motion, double-periodic motion, multi-periodic motion, quasi-periodic motion and chaos phenomena. The results may provide theoretical references for faults diagnosis and safe operation of rotor-bearing system.
引用
收藏
页码：417 / 420
页数：4
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