通过程序设计对两台步进电机的转速和旋转方向进行控制，并且通过实际测量的波形信号检测了程序的控制精度；
Speed and rotation direction of two stepper motor are controlled through procedures designed, and accuracy of the procedures control is detected by the waveform measurements.
导出了根据转速和控制精度选取电源电压和控制电流的两个公式，为设计提供了理论根据。
The two formulas used to calculate the source voltage and control current are given by rotating speed and control precision.
针对直流调速系统对转速的控制精度问题，提出了一种采用CNC的直流调速系统。
Aiming at the control accuracy of rotational speed resulting from direct current speed regulation system, a direct current speed regulating system depending on CNC is proposed.
机械偏转响应慢，偏转速度与控制精度相互制约。
The response of mechanism deflexion is slowly, which velocity and precision are confinement each other.
机械偏转响应慢，偏转速度与控制精度相互制约。
The response of mechanism deflexion is slowly, which velocity and precision are confinement each other.
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