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

Yong Yang; Shuai Zhang; Qingkai Han; Yanhuai Qu

doi:10.1117/12.858239

22 January 2010 Rub-impact fault vibration analysis of rotor system with the different parameters using Hilbert-Huang transform

Yong Yang, Shuai Zhang, Qingkai Han, Yanhuai Qu

Author Affiliations +

Proceedings Volume 7500, ICMIT 2009: Mechatronics and Information Technology; 750004 (2010) https://doi.org/10.1117/12.858239
Event: ICMIT 2009: Mechatronics and Information Technology, 2009, Gwangju, Korea, Republic of

Abstract

The vibration characteristics of a rub-impact rotor system with different parameters are investigated using Hil-bert-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.

Citation Download Citation

Yong Yang, Shuai Zhang, Qingkai Han, and Yanhuai Qu "Rub-impact fault vibration analysis of rotor system with the different parameters using Hilbert-Huang transform", Proc. SPIE 7500, ICMIT 2009: Mechatronics and Information Technology, 750004 (22 January 2010); https://doi.org/10.1117/12.858239

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