Rub-impact fault vibration analysis of rotor system with the different parameters using Hilbert-Huang transform

被引：0
|
作者：
Yang, Yong [1 ]
Zhang, Shuai [1 ]
Han, Qingkai [2 ]
Qu, Yanhuai [3 ]
机构：
[1] Shenyang Agr Univ, Sch Informat & Elect Engn, Shenyang 110866, Peoples R China
[2] Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110004, Peoples R China
[3] Donghua Univ, Sch Informat Sci & Technol, Shanghai 201600, Peoples R China
来源：
ICMIT 2009: MECHATRONICS AND INFORMATION TECHNOLOGY | 2010年 / 7500卷
关键词：
Vibration characteristics; Rotor system; Rub-impact fault; Finite element method; Hilbert-Huang transform;
D O I：
10.1117/12.858239
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The vibration characteristics of a rub-impact rotor system with different parameters are investigated using Hilbert- Huang Transform (HHT)-a relative novel time-frequency analysis method. Firstly, the rotor with rub-impact at fixed limiter is modeled by finite element method (FEM). Then, system simulation signals at different rotating speeds, rub-impact clearances and rub-impact rod stiffness are obtained based on the FE model, moreover which are analyzed by using HHT along with Fast Fourier Transform (FFT) and shaft center orbit methods. The results show that the effects of variables on system motion patterns, response properties and rub-impact severity differ in degrees. Some conclusions are achieved which may be useful to detect rub-impact fault accurately and effectively.
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页数：10
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