Dynamic response of asymmetric rotor-bearing system under multi-source excitation

Cui Tingqiong; Yinong Li; Chenglin Zan; Fajiu Luo

doi:10.1117/12.2624002

6 February 2022 Dynamic response of asymmetric rotor-bearing system under multi-source excitation

Cui Tingqiong, Yinong Li, Chenglin Zan, Fajiu Luo

Proceedings Volume 12081, Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021); 1208107 (2022) https://doi.org/10.1117/12.2624002
Event: Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021), 2021, Chongqing, China

Abstract

Asymmetric rotor bearing (ARB) is a special rotor bearing system, misalignment and clearance of spline in ARB system bring in multiple nonlinear forces and moments, which may cause premature failures to the rotary machines. In this study, a nonlinear dynamic model considering the parallel misalignment, angular misalignment and manufacturing level of the spline was established, and the vibration characteristics of these factors on the ARB system were analyzed to explore the vibration characteristics of ARB system under multi-source nonlinear excitation. The results show that the manufacturing level of the spline has a great influence on the lateral vibration. Parallel misalignment changes vibration response by changing the backlash distribution. Angular misalignment excites high-frequency vibration of the ARB system. Provide a theoretical basis for the design, vibration suppression and fault diagnosis of ARB systems.

Citation Download Citation

Cui Tingqiong, Yinong Li, Chenglin Zan, and Fajiu Luo "Dynamic response of asymmetric rotor-bearing system under multi-source excitation", Proc. SPIE 12081, Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021), 1208107 (6 February 2022); https://doi.org/10.1117/12.2624002

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available