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CATCH SPIN METHOD FOR PERMANENT MAGNET SYNCHRONOUS MOTOR WITH SENSORLESS FIELD ORIENTED CONTROL
CATCH SPIN METHOD FOR PERMANENT MAGNET SYNCHRONOUS MOTOR WITH SENSORLESS FIELD ORIENTED CONTROL
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机译：具有无传感器磁场控制的永磁同步电动机的旋转方法
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摘要
A motor control actuator configured to drive a permanent magnet synchronous motor (PMSM) with sensorless Field Oriented Control (FOC) includes: a sampling circuit configured to measure a counter electro motive force (CEMF) or a back electro motive force (BEMF) of the PMSM, while the PMSM rotates, and generate a measurement signal based on the measured CEMF or the measured BEMF; a motor controller including a current controller configured to generate control signals for driving the PMSM, the current controller configured to receive the measurement signal and perform a catch spin sequence for restarting the PMSM while rotating based on the measurement signal; and a multi-phase inverter configured to supply multiple phase voltages to the PMSM based on the control signals. The motor controller is configured to match an output voltage of the multi-phase inverter to the measured CEMF or the measured BEMF during the catch spin sequence.
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