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Abstract and Applied Analysis
Volume 2014, Article ID 495747, 7 pages
http://dx.doi.org/10.1155/2014/495747
Research Article

Impulsive Control of the Rotor-Stator Rub Based on Phase Characteristic

1College of Mathematics and Information Science, Guangxi University, Nanning 530004, China
2The Research Lab of Dynamics and Control, Beijing University of Aeronautics and Astronautics, Beijing 100091, China

Received 1 December 2013; Accepted 17 February 2014; Published 25 March 2014

Academic Editor: Muhammad Usman

Copyright © 2014 Jieqiong Xu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

An impulsive control method is proposed to eliminate the rotor-stator rubbing based on the phase characteristic. The relation between the vibration energy and the phase difference suggests the starting point for controlling the rotor-stator rubbing by implementing impulse. When the contact between the rotor and the stator occurs, the impulse is implemented in -direction and -direction several times to avoid the rotor-stator rubbing. The practical feasibility of this approach is investigated by numerical simulations.