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- W2313768869 abstract "This paper deals with a large flywheel magnetic bearing system. A simple rigid model was derived based on overlapping principle. A servo system backstepping controller taking into consideration of the gyroscopic effect was designed. The switching method for the control current was chosen to avoid the use of bias current. Through simulation and experiments, the effectiveness of rigid model and stability of the controller was verified. Meanwhile, the power consumption using the proposed controller is reduced by half compared to bias current control. Faced with the problem that the rotor cannot overcome a high critical rotational speed, a flexible model based on finite-element method was derived and used in place of the rigid model, applying the same controller. From the result of root locus analysis of closed-loop system, a conclusion can be drawn that it is important to the magnetic bearing system to design a controller considering the gyroscopic effect based on a flexible model which includes two rigid modes and a first flexible back mode." @default.
- W2313768869 created "2016-06-24" @default.
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- W2313768869 date "2005-01-01" @default.
- W2313768869 modified "2023-10-14" @default.
- W2313768869 title "Zero Bias Backstepping Control of Magnetic Bearing System with Gyroscopic Effect (Consideration Based on Rigid Model and Flexible Model)" @default.
- W2313768869 doi "https://doi.org/10.1299/kikaic.71.3437" @default.
- W2313768869 hasPublicationYear "2005" @default.
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