| 摘要 |
PURPOSE:To rapidly and exactly control a motor until a targeted position, by predicting the excessive number of revolution after no voltage is applied on a motor any more, and driving the motor by estimating the predicted excessive number of revolution. CONSTITUTION:An arithmetic part 3 which calculates the sum of the driving number of revolution when the voltage is applied on the motor 1 and the predicted excessive number of revolution that is the number of revolution after no voltage is applied on the motor 1 any more as the number of revolution of the motor to the targeted position, and a driver control part 4 which applies the voltage on the motor 1 until the number of revolution arrives at the driving number of revolution obtained by the arithmetic part 3, and afterwards, controls a motor driver 2 so as not to apply the voltage on the motor 1, are provided. Thus, it is possible to perform the control rapidly and exactly by performing position control by estimating the amount of overrun in advance.
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