针对TFT - LCD驱动芯片的电荷泵，设计了一个带密勒补偿和一条前馈通路的缓冲电路。

A buffer with Miller compensation and feed-forward path for charge pump of TFT-LCD driver IC was designed.

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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.

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