其次对位置环的控制进行了改进，将位置前馈改进为速度前馈和加速度前馈，并在前向通路中增加了一个数字阶式滤波器组成复合运动控制器。
Secondly, the control of position loop was improved by using compound control with velocity and acceleration feed-forward control and digital notch filter control in feeding servo system.
一日本面包房烹饪出了这么一个创意，在周五的开幕式前展出了以熊猫和五环图案的蛋糕。
A Japanese bakery has cooked up this creation, showcasing pandas and the Olympic rings just ahead of Friday's ceremony.
本发明涉及一种下压式集聚纺纱装置，它属于一种环锭细纱机前区牵伸用下压式集聚纺纱设备。
The invention relates to an underslung integrated composite spinning device, belonging to an underslung integrated composite spinning device for tracting a front area of a ring spinning frame.
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