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For the sensorless control of a PM synchronous motor without using rotor position sensors, the information on the actual voltages and actual currents of the motor are required. In the model based rotor position estimator of a PM synchronous motor, the reference voltages, which are the output of the current controller, are commonly used. The reference voltages in over modulation regions for high speed...
This paper proposes a simple position observer based on the instantaneous power and a tuning procedure for the proposed observer in driving the surface-mounted permanent magnet synchronous motor. In the instantaneous power of a three-phase system, the imaginary and real powers have the information related to the position and velocity. Using the instantaneous power, the difference between real rotor...
This paper proposes a simple position estimator based on instantaneous power and a tuning procedure for the proposed estimator in driving surface mounted permanent magnet synchronous motor. In the instantaneous power of three phase system, the imaginary and real power has the information related to the position and velocity. Using the instantaneous power, the difference between real rotor position...
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