| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent spike-like current noise caused at the time of switching a phase current from being superposed in the same timing, becoming large power source noise and adversely affecting a peripheral circuit or the like. <P>SOLUTION: A position detection part 63 detects the rotational position information of each of a plurality of motors, and a phase difference control part 64 delays the exciting phase switching pulse H1Y of at least one of the plurality of motors by a predetermined amount on the basis of the rotational position information of each motor and time difference information previously set and outputs it. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
