并通过FPGA设计的数字比较器，同步产生多路PWM电流波形，实现对四相步进电动机转角进行均匀细分控制。

The digital comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.

youdao

并通过FPGA设计的数字比较器，同步产生多路PWM电流波形，实现对四相步进电动机转角进行均匀细分控制。

The magnitude comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.

youdao

同时它与二相和四项混合式步进电动机相比较也显示了具有较高的电机运行频率和较小的转矩脉动的优点。

Simultaneity by comparison it with two-phase and four-Phase hybrid stepping motors, also displayed its advantages of higher motor action frequency...

youdao