伺服控制

First, the theory analysis and experiment is carried out for the reduced-order adaptive control of an electrohydraulic servo system.

首先，本文对电液伺服系统降阶自适应控制进行了理论分析和实验研究。

In recent years, adaptive control intruduces a extensively interest in electrohydraulic position servo systems.

所以近些年来，自适应控制在电液位置伺服系统中的应用引起了广泛兴趣。

Importance and application of electrohydraulic control system in gage and shape control of plate are summarized.

通过大量的实验研究，考察了电液压力、位置控制系统中伺服阀与油缸之间不同连接管路对系统的影响。

Based on AC servomotors, NC Heavy Duty Mechanical Driving is a combination of new and high technology (information technology, auto control, modern electrotechnics, new material, etc.) and traditional mechanical technology.

基于交流伺服电机的数字化重载机械驱动技术，是高新技术(信息技术、自动控制、现代电工、新材料等)与传统的机械技术的结合。

We need to add the controller in order to enhance the control precision and response speed of DVD focus servo system, and then a new emendation arithmetic was put forward.

为了提高DVD聚焦伺服系统的控制精度和响应速度需要加入控制器，提出了一种新的校正算法。

The work piece revolve with stalk to enter give, work piece of spiral sport, revolve of emery wheel, the enter of emery wheel give etc.

工件的旋转与轴向进给，工件的螺旋运动，砂轮架的旋转，砂轮的进给等关联运动能在伺服系统的控制下作插补运动实现。

The method controls the move of head flying over the disk by firmware and analyzes the width change of projection of the read head, write head and erase band. The experiment shows skew angel can change off-track capability of magnetic head and change the radial error propagation of radial error of self servo-writing.

分离式磁头对硬盘驱动器伺服信息自刻写的影响同样不容忽视，为此提出了一种测定磁头偏移磁道能力大小的方法：通过控制磁头飞行过程，并在飞行过程中动态获取读头信号幅度和比特误差率，从而获取磁头磁道偏移能力。

Based on the simplification of differential equation of driving function and the amendment of control law with error integral, the problems of controller design for a class of position serve system are discussed from the angle of practical use in engineering.

基于对驱动函数微分方程的简化和对控制律的误差积分修正，从工程实用角度讨论一类位置伺服系统控制器的设计问题。

DC servo system plays an important role in the field of modern gun automatic weapon system.

直流伺服系统在现代火炮自动武器系统控制中占主导地位。

To enhance the precision of servo systems, friction should be adaptively compensated. With considering the hysteresis in piezo-based micro-feeding components, it is proposed to compensate friction and hysteresis simultaneously in this paper.

根据运动控制发展的需要，本文提出将机械伺服系统中出现的摩擦现象与磁滞现象综合考虑的理念。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。