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。

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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；

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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。

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