Motor control apparatus
地域：
Seoul
摘要
A motor control apparatus according to one embodiment of the present invention comprises: a current controller for generating a voltage command signal on the basis of a torque command for driving a motor and a fundamental wave current of the motor; a high frequency voltage generator for generating a high frequency voltage signal for injection into the voltage command signal; an inverter for applying a voltage to the motor on the basis of the voltage command signal and the high frequency voltage signal; an angle estimator for generating an estimated angle of a rotor of the motor on an estimated coordinate system on the basis of a current signal of the motor; and a compensator for adding a first compensation signal (icomp) to the current signal (isig), wherein the first compensation signal (icomp) may be related to the torque command and the estimated angle.
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The current controller 110 generates a fundamental wave voltage command (vdqsf{circumflex over (r)}*) on the basis of a torque command (Te*) for driving the motor 101 and a fundamental wave current (idqsf{circumflex over (r)}) of the motor 101. The current controller 110 may stably control the motor 101 by generating the fundamental wave voltage command (vdqsf{circumflex over (r)}*) through the feedback in consideration of the fundamental wave current (idqsf{circumflex over (r)}) and the torque command (Te*) of the actual motor 101.
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