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Due to attractive features such as low cost and highly robust, the demand for Switched Reluctance Motors has reached an all-time high. However, the torque ripple caused by the inherent double salient structure of SRMs leads to speed ripple as well. In order to cope with the aforementioned torque/speed ripple problem, many studies rely on sophisticated control techniques. However, in most of the previous...
Unbalanced radial force acting on a rotor shaft is undesirable because it causes motor vibrations. However, motor vibrations can be reduced with intentionally produced shaft radial force which cancels the existing unbalanced radial forces due to a nonuniform air gap or external load. Due to its special structure, the shaft radial force and torque of a switched reluctance motor (SRM) can be separately...
Due to its special structure, the shaft radial force and torque of switched reluctance motor can be separately controlled by proper selection of pole currents. When all the pole currents are controlled independently, it is possible to produce the required radial force to cancel the existing radial force caused by non-uniform air gap or external load, and consequently motor vibrations can be reduced...
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