| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem in which an operation state for suddenly changing a current of a motor generator 10 is liable to be adopted when a present operation state is maintained by allowing a difference between prediction currents ide and iqe and command currents idr and iqr to be within a prescribed range and therefore a period that the difference remains within the prescribed range becomes short. <P>SOLUTION: When the difference between the prediction currents ide and iqe and the command currents idr and iqr is within a relative speed evaluation region in which the difference is equal to or below a threshold and equal to or more than a specified value, a change to the operation state for reducing change speed of the prediction currents ide and iqe is examined. Thus, time when the difference remains in a region where it is equal to or below the specified value can be prolonged and switching frequency of a switching state can be reduced while a harmonic current is suppressed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
