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This paper describes a newly developed position sensor system. The position sensing system is designed to be combined with the radial permanent magnetic bearing and used for the control of the axial active magnetic bearing. The rotor ring of the radial magnetic bearing is used as field source, which shortens the rotor and saves space for artificial heart design. Linear hall sensor is selected due...
The system power and heat can be reduced in axial-flow Maglev blood pump whose rotor is suspended by two radial permanent magnetic bearings and one axial active magnetic bearing. But the strong force couple between the radial bearing and axial bearing makes it more difficult in rotor's axial motion control. By theory and simulation analysis, the axial characteristic of radial permanent magnetic bearing...
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