This paper deals with an AC servo system with permanent magnetic brushlessmotor driven by square wave current.
研究了方波电流驱动的永磁无刷电机交流伺服系统。
2
Due to the ac servo motor is in brushless structure, almost does not need to repair, the volume is relatively small, be helpful for the improvement of speed and power.
由于交流伺服电机内是无刷结构，几乎不需维修，体积相对较小，有利于转速和功率的提高。
3
The doubly salient permanent magnet motor(DSPM) is a new kind of ACbrushlessmotor.