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A SENSORLESS VECTOR CONTROL APPARATUS AND A SENSORLESS VECTOR CONTROL METHOD FOR A INDUCTION MOTOR
A SENSORLESS VECTOR CONTROL APPARATUS AND A SENSORLESS VECTOR CONTROL METHOD FOR A INDUCTION MOTOR
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机译:感应电动机的无传感器矢量控制装置和无传感器矢量控制方法
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摘要
A sensorless vector control apparatus is provided to improve the performance of the sensorless vector control by performing double integration of a firs term and estimating the magnetic flux of a rotator and the current of stator. In a sensorless vector control apparatus, a state observation unit applies instruction the voltage of a stator, speed estimate and the resistance estimate of the stator to a differential state equation and obtains the estimate current of the stator and the estimate magnetic flux of the rotator by integrating the output of the differential state equation. A seed/ stator resistance estimating unit(2) receives an error current of the stator and the magnetic flux of the rotator and estimates speed estimate and stator resistance estimate.
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