Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System

This paper investigated the influence of cross-coupling effects on the rubbing-related dynamics of rotor/stator systems, The stability analysis on the synchronous full annular rub solution of a rotor/stator system, which includes both the dynamics of the stator and the deformation on the contact sur...

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Main Authors: Shang Zhiyong, Zhang Haiying, Shaymurat Talgar
Format: Article
Language:English
Published: EDP Sciences 2015-01-01
Series:MATEC Web of Conferences
Online Access:http://dx.doi.org/10.1051/matecconf/20153104004
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author Shang Zhiyong
Zhang Haiying
Shaymurat Talgar
author_facet Shang Zhiyong
Zhang Haiying
Shaymurat Talgar
author_sort Shang Zhiyong
collection DOAJ
description This paper investigated the influence of cross-coupling effects on the rubbing-related dynamics of rotor/stator systems, The stability analysis on the synchronous full annular rub solution of a rotor/stator system, which includes both the dynamics of the stator and the deformation on the contact surface as well as the cross-coupling terms in velocities and displacements, is carried out. It is found that some cross-coupling effects will benefit the synchronous full annular rubs and some will not. Based on the finding, a control method by generating cross-coupling damping on the stator through the active auxiliary bearing is then proposed in order to suppress the contact severity and avoid the rubbing instability. Numerical simulation shows the validity of the mehtod.
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spelling doaj.art-5f149614468d40dbaa983aebdd4a3f852022-12-21T19:43:32ZengEDP SciencesMATEC Web of Conferences2261-236X2015-01-01310400410.1051/matecconf/20153104004matecconf_icmee2015_04004Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing SystemShang Zhiyong0Zhang Haiying1Shaymurat Talgar2Key Laboratory of New Energy and Materials Research, Xinjiang Institute of EngineeringXinjiang Career Technical College of SportsKey Laboratory of New Energy and Materials Research, Xinjiang Institute of EngineeringThis paper investigated the influence of cross-coupling effects on the rubbing-related dynamics of rotor/stator systems, The stability analysis on the synchronous full annular rub solution of a rotor/stator system, which includes both the dynamics of the stator and the deformation on the contact surface as well as the cross-coupling terms in velocities and displacements, is carried out. It is found that some cross-coupling effects will benefit the synchronous full annular rubs and some will not. Based on the finding, a control method by generating cross-coupling damping on the stator through the active auxiliary bearing is then proposed in order to suppress the contact severity and avoid the rubbing instability. Numerical simulation shows the validity of the mehtod.http://dx.doi.org/10.1051/matecconf/20153104004
spellingShingle Shang Zhiyong
Zhang Haiying
Shaymurat Talgar
Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System
MATEC Web of Conferences
title Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System
title_full Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System
title_fullStr Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System
title_full_unstemmed Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System
title_short Control Methods Using Cross-Coupling Effects for Suppression of Rotor/Stator Rubbing System
title_sort control methods using cross coupling effects for suppression of rotor stator rubbing system
url http://dx.doi.org/10.1051/matecconf/20153104004
work_keys_str_mv AT shangzhiyong controlmethodsusingcrosscouplingeffectsforsuppressionofrotorstatorrubbingsystem
AT zhanghaiying controlmethodsusingcrosscouplingeffectsforsuppressionofrotorstatorrubbingsystem
AT shaymurattalgar controlmethodsusingcrosscouplingeffectsforsuppressionofrotorstatorrubbingsystem