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This paper proposes a simplified Fundamental PWM Excitation (FPE) sensorless control method on IPMSMS direct torque control drives. This method is based on a five-segment PWM and the measurement of two active voltage vectors and one zero voltage vector during the first half of each PWM modulation cycle in order to obtain di/dts and estimate the rotor position therefrom. Compared to the conventional...
This paper deals with the sensorless field oriented control of permanent magnet synchronous machines using test matrix converters voltage vectors. The novelty of this paper is the fact that a matrix converter is used instead of the conventional voltage source inverter and that the uncommon shorter matrix converter vectors are used as a test signals for tracking the machinepsila saliency (difference...
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