一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
A kind of the use of impulsive control mode, the drive and motor closed loop, but not feedback to the numerical control system, this drive, in a sense, can open loop control called the servo control.
进给速度可通过改变驱动脉冲的频率调节，机构在高频驱动大位移动作时亦表现出准确的步进特性，可用于小型机电系统的开环进给驱动。
The friction drive mechanism moves well even when driven at high frequency and with long strokes, so it can be used with open-loop control systems for micro displacement.
在采用时间分割法插补的开环数控系统中，精插补的脉冲均匀分配是其中一项关键技术，也是技术难点。
Uniform Pulse Distribution is technical difficulty and key technologies in open-loop CNC which use time-slicing interpolation.
在采用时间分割法插补的开环数控系统中，精插补的脉冲均匀分配是其中一项关键技术，也是技术难点。
Uniform Pulse Distribution is technical difficulty and key technologies in open-loop CNC which use time-slicing interpolation.
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