Stepping motor control by pulse, by changing the order of power to change the direction of rotation motor, change the pulse frequency may change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
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.
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；
In the model, a new method of calculating fuel consumption, one of difficult problems in this area, is proposed combined with grate structure and rotation speed of grate motor.
在建立效率测算模型的过程中，结合炉排结构参数和炉排电机转速给出了一个计算燃料消耗量的方法，解决了燃料消耗量难以测量的问题。
A power amplification of H-bridge bipolar PWM control is designed for controlling DC micro-motor of positive rotation, reverse rotation and speed regulation.
基于H型双极模式P WM控制原理，设计了一种直流微电机正反转调速功率放大电路。
Making use of wire feed motor with encoder, a digital wire feeder system based on speed feedback of rotation speed with encoder of wire feed motor.
介绍了利用编码器实现送丝电机转速的数字反馈转速控制调速系统。
The brushless motor controller with great current can restrict maximum speed at will in the rated range of rotation speeds of motors.
在电机的额转速范围可以任意限制最大速度。
C. motor "s stator to an electric source of industrial frequency. In this method the stator of A. C. motor is rotatable. The rotation direction and speed of the stator are controlled by a hydraulics."
在这种方法中，交流电动机的定子是可以转动的，液压控制系统控制电动机定子的转向和转速。
C. motor "s stator to an electric source of industrial frequency. In this method the stator of A. C. motor is rotatable. The rotation direction and speed of the stator are controlled by a hydraulics."
在这种方法中，交流电动机的定子是可以转动的，液压控制系统控制电动机定子的转向和转速。
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