| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor controller in which the centrifugal-force reduction effect does not decrease even if control delay or current response delay occurs, and a large burden is not required for determining an appropriate shaft position command value. <P>SOLUTION: In a whirling suppression control unit 30, a low-pass filter LPF extracts only the signal of DC component synchronized with the rotational frequency of the shaft from a shaft displacement detection value dq, and a period disturbance observer 50 determines a disturbance based on the signal of DC component before the shaft displacement command values α<SP POS="POST">*</SP>, β<SP POS="POST">*</SP>for suppressing the determined disturbance are operated. The shaft displacement command values α<SP POS="POST">*</SP>, β<SP POS="POST">*</SP>operated in the whirling suppression control unit 30 are input to a shaft support control unit 20. <P>COPYRIGHT: (C)2012,JPO&INPIT |
