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This paper presents the experiment results from the testing of a magnetic suspension system in a bearingless brushless dc motor. This machine is suitable for use in small liquid pumps. The bearingless motor structure, the principle of the suspension force generation, and the magnetic suspension control strategy are proposed by the author. A prototype bearingless brushless dc motor is designed using...
This paper presents a new decoupling method of the radial forces in a dual rotor-type magnetic suspension motor. The dual rotor-type magnetic suspension motor has been proposed by the author, and the motor structure and the principle of the suspension force generation have been introduced. However, it is possible that the mutual interference between the radial suspension forces in two perpendicular...
This paper presents the experiment results of the magnetic suspension in a bearingless brushless DC motor to apply in small liquid pumps. The bearingless motor structure, the principle of the suspension force generation and the magnetic suspension control strategy in the bearingless brushless DC motor have been proposed by the author. A prototype bearingless brushless DC motor has been designed based...
This paper presents magnetic suspension characteristics of a bearingless brushless DC motor. The winding distribution, the principle of suspension force generation, and the magnetic suspension control strategy have been proposed by the author. The rotational torque and suspension force have been analyzed by finite element method (FEM) using a machine model. A prototype bearingless brushless DC motor...
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