In this paper, with respect to the impact rub dynamics equation of Jeffcott rotor with imbalance, the stability of annular impact rub is studied, the effect of the coefficient of friction between rotor and stator on stability is also discussed and the result is that .

Dynamics analysis,feature extraction and intelligent diagnosis for rubbing fault of rotor supported on bull bearings;

Nonlinear dynamic response analysis of unbalance-rubbing coupling faults of rotor-ball bearing-stator coupling system;

Experimental investigation of rotor rubbing faults;

Stability of the Two-span Rotor-bearing System Periodic with Coupling Faults of Crack and Rub-impact;

Diagnoses of coupling fault of crack and rub-impact in rotor systems;

Study on the Coupled Vibration Characteristic of Crack and Rub-impact Rotor;

Analysis of Stochastic Responses of Rotor Systems with Impact-rub;

In this paper, the finite element method is employed to modeling an impact-rub rotor, in which the impact-rub is treated as a boundary condition.

A new smoothed model for a simple Jeffcott impact-rubbing rotor system in an aircraft is presented.

In this paper, the mathematic model of the rotor system with rub impact is analyzed by applying modern nonlinear dynamics theory.

The signal of rotor rub impact has singular.

The rub impact fault between rotor and stator is analysed and diagnosed based on the wavelet transform theory.

Improved fault diagnosis method for aero engine rotor-sator rubs;

Improved Hilbert-Huang transform and its application in rotor-stator rub;

Research on pedestal looseness and rub-impact faults of rotor system with slowly varying mass;