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This paper presents a new compensation method about speed sensorless vector control of induction motor(IM). The proposed method calculates a direction of the flux by reducing the q-axis flux to zero which is obtained a flux observer. In order to stabilize the system at regenerating operation, a new compensation method is proposed. The effectiveness of proposed compensation method is confirmed by stability...
This paper presents a mechanical sensorless vector-controlled system with parameter identification by the aid of image processor. Based on the flux observer and the model reference adaptive system method, this system includes rotor speed estimation and stator resistance identification using flux errors. Since the mathematical model of this system is constructed in a synchronously rotating reference...
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