全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用：99美元
投递稿件

查看量下载量

相关文章

更多...

含裂纹双跨转子-轴承系统周期运动的稳定性

, PP. 168-172

Keywords: 转子-轴承系统,裂纹,稳定性

Full-Text   Cite this paper   Add to My Lib

Abstract:

建立了带有裂纹故障的双跨弹性转子系统的动力学模型，利用求解非线性非自治系统周期解的延拓打靶法和Floquet理论，研究了系统周期运动的稳定性及失稳规律。系统以倍周期分岔形式失稳，且在不同转速下，系统会出现倍周期分岔和Hopf分岔等不同的分岔形式。在亚临界转速区系统响应中出现了1/3倍频、1/2倍频、2/3倍频、1倍频、2倍频等频率成分，但是在超临界转速区，2倍频及以上频率的峰值明显减小。

 References

[1]  Meng G.The nonlinear influences of whirl speed on the stability and response of a cracked rotor[J].Journal of Machine Vibration,1992,4(1):216～230.
[2]  Gasch R.A survey of the dynamic behavior of a simple rotating shaft with a transverse crack[J].Journal of Sound and Vibration,1993,162(2):313～332.
[3]  Papadopoulos C A.Torsional vibration of rotors with transverse surface cracks[J].Computers & Structures,1994,51(6):713～718.
[4]  Zheng J B,Meng G.Dynamic behavior of a cracked flexible rotor supported on journal bearing[J].Chinese Journal of Aeronautics,1997,10(1):28～35.
[5]  罗跃纲,张松鹤,闻邦椿.转子-轴承系统裂纹-碰摩耦合故障的非线性特性研究[J].振动与冲击,2005,24(3):43～46.
[6]  罗跃纲,李小彭,闻邦椿.双跨裂纹转子-轴承系统非线性动态响应与混沌[J].东北大学学报:自然科学版,2005,26(3):289～292.
[7]  刘恒,虞烈,谢友柏,等.非线性不平衡转子轴承系统周期解的预测[J].航空动力学报,1999,14(1):74～78.
[8]  Papadopoulos C A.Coupled longitudinal and bending vibrations of a rotating shaft with an open crack[J].Journal of Sound and Vibration,1987,117(1):81～93.
[9]  Mayes I W.Analysis of the response of a multi-rotor-bearing system containing a transverse crack in a rotor[J].ASME Journal of Vibration,Acoustics,Stress,and Reliability in Design,1984,106(2):139～145.
[10]  Lee C W.Modeling of a simple rotor with a switching crack and its experimental verification[J].ASME Journal of Vibration and Acoustics,1992,114(2):217～225.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133