Flexible rotor optimization design with considering the uncertainty of unbalance distribution
A flexible rotor optimization design considering the uncertainty of the unbalance is carried out in this paper. Assuming that the magnitude and phase of unbalance obey normal distribution and uniform distribution respectively, the uncertainty can be quantitatively described. The classical 6 Sigma me...
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doaj-e08a8a3b24b14d4892ad1e0dd57924ee2021-04-02T14:02:59ZengEDP SciencesInternational Journal for Simulation and Multidisciplinary Design Optimization1779-62882020-01-01111910.1051/smdo/2020005smdo200015Flexible rotor optimization design with considering the uncertainty of unbalance distributionJia Shengxi0https://orcid.org/0000-0002-0064-9040Zheng LongxiMei Qing1School of Power and Energy, Northwestern Polytechnical UniversityAviation Key Laboratory of Aeroengine Vibration Technology, AVIC Aviation Powerplant Research InstituteA flexible rotor optimization design considering the uncertainty of the unbalance is carried out in this paper. Assuming that the magnitude and phase of unbalance obey normal distribution and uniform distribution respectively, the uncertainty can be quantitatively described. The classical 6 Sigma method is used to perform uncertain optimization design of the rotor system considering this uncertainty. The theoretical results are verified by experiments in which 36 sets of unbalance are artificially distributed to the rotor to simulate the uncertainty. In experiment, the amplitude response of the two disks and the acceleration response of the two bearings are decreased by 14%, 21.5%, 37.2% and 46% respectively in terms of standard deviation. It can be concluded that the optimization design considering the uncertainty can reduce the fluctuation of the response and improving the robustness of the results.https://www.ijsmdo.org/articles/smdo/full_html/2020/01/smdo200015/smdo200015.htmlflexible rotoruncertaintyoptimization designunbalance distribution |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jia Shengxi Zheng Longxi Mei Qing |
spellingShingle |
Jia Shengxi Zheng Longxi Mei Qing Flexible rotor optimization design with considering the uncertainty of unbalance distribution International Journal for Simulation and Multidisciplinary Design Optimization flexible rotor uncertainty optimization design unbalance distribution |
author_facet |
Jia Shengxi Zheng Longxi Mei Qing |
author_sort |
Jia Shengxi |
title |
Flexible rotor optimization design with considering the uncertainty of unbalance distribution |
title_short |
Flexible rotor optimization design with considering the uncertainty of unbalance distribution |
title_full |
Flexible rotor optimization design with considering the uncertainty of unbalance distribution |
title_fullStr |
Flexible rotor optimization design with considering the uncertainty of unbalance distribution |
title_full_unstemmed |
Flexible rotor optimization design with considering the uncertainty of unbalance distribution |
title_sort |
flexible rotor optimization design with considering the uncertainty of unbalance distribution |
publisher |
EDP Sciences |
series |
International Journal for Simulation and Multidisciplinary Design Optimization |
issn |
1779-6288 |
publishDate |
2020-01-01 |
description |
A flexible rotor optimization design considering the uncertainty of the unbalance is carried out in this paper. Assuming that the magnitude and phase of unbalance obey normal distribution and uniform distribution respectively, the uncertainty can be quantitatively described. The classical 6 Sigma method is used to perform uncertain optimization design of the rotor system considering this uncertainty. The theoretical results are verified by experiments in which 36 sets of unbalance are artificially distributed to the rotor to simulate the uncertainty. In experiment, the amplitude response of the two disks and the acceleration response of the two bearings are decreased by 14%, 21.5%, 37.2% and 46% respectively in terms of standard deviation. It can be concluded that the optimization design considering the uncertainty can reduce the fluctuation of the response and improving the robustness of the results. |
topic |
flexible rotor uncertainty optimization design unbalance distribution |
url |
https://www.ijsmdo.org/articles/smdo/full_html/2020/01/smdo200015/smdo200015.html |
work_keys_str_mv |
AT jiashengxi flexiblerotoroptimizationdesignwithconsideringtheuncertaintyofunbalancedistribution AT zhenglongxi flexiblerotoroptimizationdesignwithconsideringtheuncertaintyofunbalancedistribution AT meiqing flexiblerotoroptimizationdesignwithconsideringtheuncertaintyofunbalancedistribution |
_version_ |
1721563330222489600 |