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To effectively reject the influence of the low damping property of permanent magnetic bearings and improve the twist motion stability, this paper presents a novel equivalent damping control strategy. First, the relationship between the restoring torque and the radial translation of permanent magnetic rings is pointed out through finite-element analysis. The analysis indicates that the restoring torque...
The investigation of magnetically levitated systems as a means of ground transportation has been going on for several decades. As a result several methods of control for these systems have been proposed. However, these methods rely on the information provided by sensors that are prone to failure and noise. This paper presents a sensor less position control scheme of a laboratory-based magnetically...
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