Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can 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。
Next, the change of speed and the change of step in hurdles circuit effect on it too. The rhythm correlates with the sport grades closely.
其次，每一跨栏周期中速度的变化及每一跨栏周期中步长的分配也对栏间节奏产生重要影响，栏间节奏与运动成绩密切相关。
Simulation results show that the algorithm has better adaptation for the change of power and can lower average outage percentage effectively and faster convergence speed than the fixed-step algorithm.
通过自适应步长功率控制算法与固定步长算法仿真的比较，得出这种算法通过动态改变步长可以更加适应功率的变化、有效降低中断概率、收敛速度大大加快的结论。
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