Feedforward control was adopted in position loop and it improved performance.
系统中位置环采用前馈控制，提高了位置控制性能。
The parameters of the current loop, velocity loop and position loop were determined.
确定了电流环、速度环和位置环的参数。
How to know the last position of a loop?
如何知道一个循环的最后位置吗？
Double closed loop control is implemented with increment encoder through signal of speed and position.
采用增量式编码器，通过速度及位置信号进行双闭环控制。
Experiments show that the two-loop Servo System has good performances in speed and position control.
实验表明：双闭环的永磁数字交流伺服系统拥有很高的速度和位置控制性能。
In the running position the held loop rests on the top of the open latch.
在起针位置，被握持的线圈停在打开的针舌上面。
In the running position the held loop rests on the top of the open latch.
我们的战士在那个孤立无援的阵地上坚持了两个多钟点。
In the running position the held loop rests on the top of the open latch.
我们的战士在那个孤立无援的阵地上坚持了两个多钟点。
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