2004•Journal of Aerospace PowerRequires access

Influence of Control Parameters on Dynamic Characteristics of Active Magnetic Bearing System

Xie Zhen-yu, Longxiang Xu

Abstract

Dynamic characteristics of turbine expender supported by magnetic bearings are studied in this paper.The relationships among innate frequency,stiffness and damping,and control parameters are discussed.It has been found that adjustment of control parameters has less influence on the first bending critical speed.On the other hand,little damping by control parameters will cause collision easily between the rotor and bearings.

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Key concepts: Magnetic bearing, Control theory (sociology), Bearing (navigation), Stiffness, Rotor (electric), Bending, Critical speed, Vibration