结合闭环控制系统在某设备上的应用，研究分析该控制系统的给定稳态误差及其抗干扰能力。

The preset errors at stable condition and anti-disturbance performance of the close-loop control system are analyzed and researched through the introduction of its application on certain device.

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解决了该仪器系统存在的几个关键技术问题，如液压囊漏水问题、排水控制问题、仪器系统误差分析、附属设备的设计等。

Some key technical problems have been amended, for example, leakage of hydraulic pressure bursa, control of drainage, analysis of apparatus system error, design of accessorial equipments, and so on.

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AGV是现代自动化物流系统中的关键设备之一，为了完成搬运任务，必须对其轨迹误差进行控制。

In order to carry out the task of conveying the material, the trajectory error of AGV must be controlled in the proper limit.

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