| 摘要 |
PURPOSE: A motor speed control device is provided to rapidly restore a motor to a steady state by detecting the out-of-control reverse rotation with only one kind of a pulse signal. CONSTITUTION: A feed forward controller(30,36) receives a target set value for setting the size and direction of a target rotation speed of the motor. A feed-forward controller feed-forward controls the rotation speed of the motor to the target rotation speed. A feedback controller(32,38,44) feedback controls the rotation speed of the motor to the target rotation speed. A driving controller(46,48) controls the driving of the motor based on the synthesized signal of the target command signal and the compensation command signal. An out-of-control reverse rotation determining unit determines the out-of-control reverse rotation.
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