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In view of the magnetic chain recognition accuracy problem of the bearingless induction motor (BIM) under direct torque control (DTC), a speed sensorless based on Super-Twisting-model reference adaptive system (MRAS) is proposed. The speed sensoerless makes rotor flux on the foundation of Super-Twisting second-order sliding mode as a reference model. The speed sensorless is constructed by using MRAS...
To effectively reject the influence of speed detection on system stability and precision for a bearingless induction motor, this paper proposes a novel speed observation scheme using artificial neural network (ANN) inverse method. The inherent subsystem consisting of speed and torque winding currents is modeled, and then its inversion is implemented by the ANN. The speed is successfully observed via...
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