Paper Title:
Stability Margin of Quasi-Periodic Motion in Nonlinear Rotor System: Experimental Validation
  Abstract

Rotor systems applied widely in industry are nonlinear dynamic systems of multi-degree of freedom. They must be not only stability but also have enough stability margins. Stability margins for different motion states in rotor systems are defined based on trajectory-based stability-preserving dimensional-reduction (TSPDR) in a quantitative stability analysis method for rotor systems. With the help of stability margin, dynamic behavior analyses of rotor systems become easy. In this paper, experimental method is used to validate definition and law of stability margin of quasi-periodic motion which was presented in above method. Experiment results in a rotor experiment rig show that regular pattern of stability margin of quasi-periodic motion calculated from measured data accords with the rule of above method. Therefore the definition and the law of stability margin of quasi-periodic motion described in the quantitative stability analysis method are valid in real rotor systems.

  Info
Periodical
Advanced Materials Research (Volumes 139-141)
Edited by
Liangchi Zhang, Chunliang Zhang and Tielin Shi
Pages
2668-2671
DOI
10.4028/www.scientific.net/AMR.139-141.2668
Citation
H. P. Zheng, "Stability Margin of Quasi-Periodic Motion in Nonlinear Rotor System: Experimental Validation", Advanced Materials Research, Vols. 139-141, pp. 2668-2671, 2010
Online since
October 2010
Authors
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Chang Li Liu, X.L. Zhang, L. Cui, J. Jiang, J.R. Zheng
Abstract:In this paper, the dynamic model of rotor bearing system with rub-impact and oil whirl is formulated. Continuation-shooting method for the...
517
Authors: Chao Feng Li, Wei Sun, Chen Yi Liu, Bang Chun Wen
Abstract:The nonlinear dynamic behavior of a rotor-bearing system is analyzed with its finite element model based on the analysis of the discrete...
851
Authors: Chao Feng Li, Ji Shuang Dai, Xiao Peng Li, Bang Chun Wen
Abstract:The FEM was employed to establish a nonlinear dynamical model of a rotor-bearing experimental system. The fixed interface mode synthesis...
1732
Authors: Li Cui, Jian Rong Zheng
Abstract:Rigid rotor roller bearing system displays complicated nonlinear dynamic behavior due to nonlinear Hertzian force of bearing. Nonlinear...
467
Authors: Chao Feng Li, Qin Liang Li, Jie Liu, Bang Chun Wen
Chapter 1: Mechatronics and Automation
Abstract:Multi-DOF model of double-disc rotor-bearing system taking crack and oil film support into account is established, and the continuation...
3