| 摘要 |
<P>PROBLEM TO BE SOLVED: To attain elimination of necessity of mounting precision, sinewave driving capable of high-speed rotation and high-speed response with one or more motor sensors by providing a motor control driver including a PLL phase control method by one sensor. <P>SOLUTION: In a permanent magnet synchronous motor control apparatus provided with means for detecting a sensor of one pulse or more per one turn mounted on a motor and induced voltage detection means, a storage element built in a CPU or the like stores a phase difference between an induced voltage and the sensor upon starting and then energization control is performed at an appropriate timing by the CPU with reference to a signal from the sensor, based on the phase difference. <P>COPYRIGHT: (C)2010,JPO&INPIT |
