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There are many methods identifying flux position of Interior Permanent Magnet Synchronous Motor (IPMSM) without mechanical sensors. The method which uses both the back EMF and the saliency to identify flux position of IPMSM without high frequency components injection at low speed has been reported. It was extended in order to drive with no load to light load. The authors propose the method of combining...
This paper investigates a modified direct torque control (DTC) scheme based on space vector modulation (SVM) for interior permanent magnet synchronous motor (IPMSM) drives. Closed-loop control of both the torque and stator flux linkage are achieved by using two proportional-integral (PI) controllers. The reference voltage vectors are generated by a SVM unit, which replaces the switching table in the...
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