The Control and Dynamical Analysis on Magnetic Bearing Flexible Rotor System Combining the Whirling with Swing

Hui Qun Yuan; Ying Li; Dong Li; Wen Bo Wu

doi:10.4028/www.scientific.net/AMR.189-193.1592

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193The Control and Dynamical Analysis on Magnetic...

The Control and Dynamical Analysis on Magnetic Bearing Flexible Rotor System Combining the Whirling with Swing

Abstract:

Considering gyroscopic effect and flexibility of the shaft, the eight freedoms dynamic model is established. The dynamic characteristic and control quantity in different bearing rigidity and rotation axis are studied and discussed by optimal control theory. Furthermore, the controlling and the responding are discussed. The simulation results show that the bearing rigidity has great effect on the control quantity so that the elasticity of bearing must be considered. The asymmetry rigidity of rotational axis has little influence on stability. The conclusion may bring up theoretical references for precision control for rotor magnetic bearing system.

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Periodical:

Advanced Materials Research (Volumes 189-193)

Pages:

1592-1596

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.1592

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Online since:

February 2011

Authors:

Hui Qun Yuan, Ying Li, Dong Li, Wen Bo Wu

Keywords:

Dissymmetry Rigidity of Bearing, Flexible Rotor Magnetic Bearing System, Optimal Control Theory

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