A high performance position sensorless surface permanent magnet synchronous motor drive based on flux angle
Halder, Kalyan Kumar, Roy, Naruttam Kumar and Ghosh, B.C. 2010, A high performance position sensorless surface permanent magnet synchronous motor drive based on flux angle, in ICECE 2010 : Proceedings of the Electrical and Computer Engineering 2010 International Conference, IEEE, Piscataway, N.J., pp. 78-81, doi: 10.1109/ICELCE.2010.5700557.
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Title
A high performance position sensorless surface permanent magnet synchronous motor drive based on flux angle
Electrical and Computer Engineering International Conference
Start page
78
End page
81
Total pages
4
Publisher
IEEE
Place of publication
Piscataway, N.J.
Summary
A position sensorless Surface Permanent Magnet Synchronous Motor (SPMSM) drive based on flux angle is presented in this paper. The motor equations are written in rotor fixed d-q reference frame. A PID controller is used to process the speed error to generate the reference torque current keeping the magnetizing current fixed. The estimated stator flux using Recurrent Neural Network (RNN) is used to find out the rotor position. The flux angle and the reference current phasor angle are used in vector rotator to generate the reference phase currents. Hysteresis current controller block controls the switching of the 3-phase inverter to apply voltage to the motor stator. Simulation studies on different operating conditions indicate the acceptability of the drive system. The drive system only requires a speed transducer and is free from position sensor requirement. The proposed control scheme is robust under load torque disturbances and motor parameter variations. It is also simple and low cost to implement in a practical environment.
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