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Interior permanent magnet (IPM) brushless machines are widely used in various applications due to the advantages of high efficiency, high power density and wide constant power operating range and so on. However, the conventional vector control based on Park transformation with digital PI current controller can only serve for the control of fundamental current. This paper proposes a novel vector control...
Interior permanent magnet (IPM) brushless machines with non-sinusoidal back-EMF offer advantages of higher torque density and cost effectiveness, compared to the sinusoidal PM brushless machines. However, these machines suffer from higher torque ripple when being fed by most applied sinusoidal or square-wave currents. This problem can be solved by optimizing the current waveforms. Based on instantaneous...
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