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In conventional bearingless switched reluctance motors (BSRMs), the current control algorithm is quite complex due to the coupling between torque and levitation forces. In this paper, a 12/4 dual-winding BSRM is proposed, which can realize decoupling control of torque and levitation forces. Because of the special inductance profile and two windings mounted on the stator pole, the torque and levitation...
Conventional control strategies of the dual-winding bearingless switched reluctance motor (DWBSRM) produce large torque ripples due to the selections of the conducting phases and the waveforms of the reference currents. In order to solve the problem and realize good levitation performance at the same time, this paper proposes a novel control strategy which combines torque sharing method with predictive...
In order to take advantage of conventional switched reluctance motors (SRMs), the SRM is integrated with the bearingless motor technology and then a reluctance type of bearingless motor is created, named as bearingless SRM (BSRMs). Not only electromagnetic torque but also the levitation forces should be controlled in BSRMs, which is different from SRMs. The levitation forces should always exist even...
When one winding of the single-winding bearingless switched reluctance motor (SWBSRM) is short-circuited, a continuous radial force for the levitation can be obtained by extending the conduction of the prior energized phase. Based on the force compensation strategy, this paper aims to further improve the fault-tolerant ability of the motor. Optimized fault-tolerant current mathematical model is proposed...
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