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This paper introduces a new hybrid sensorless control of interior permanent magnet synchronous machines (IPMSM) combining high frequency injection and back EMF based method. The proposed control system realizes position, speed, and torque control in the entire speed range. Owing to the reliability and the space-saving feature, the sensorless control is applied to direct drive applications with great...
This paper presents a new maximum torque per ampere (MTPA) control method for Interior Permanent Magnet Synchronous Machine (IPMSM) drives. The proposed method uses the conventional speed control scheme, where speed control loop produces the magnitude of the stator current reference. According to the current angle in the rotor reference frame, ??, the current reference is decomposed to the d-/q-axis...
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