伺服系统

Pole-placement and Inner model tuning methods are discussed finally;(2) For the linear derivative action, several different tracker-differentiators are presented to improve the quality of the derivative signals;(3) A neural network tuning method is given for the nonlinear PID controller which includes the above tracker-differentiator;(4) For the linear integral action, a nonlinear pre-phase integrator is studied in order to decrease the phase delay problem; Simulation results show that the nonlinear PID controller including the pre-phase integrator posseses better performance in both fast and stable property, and strong ability of anti-disturbance;(5) A simple optimal criteria is introduced to optimize the parameters of the nonlinear PID controller based on the pre-phase integrator.

仿真研究表明，由此形成的非线性复合积分PID控制系统，具有快速而平稳的过渡过程和超强的干扰抑制能力；(5)采用物理意义简单明确的目标函数的优化设计方法，对上述非线性PID控制器进行参数整定，达到了满意控制典型工业过程的目的。通过对直线电机伺服系统的仿真研究，表明该种非线性控制器具有同时跟踪多个目标的优越性能。

It is focused on a valve-controlled asymmetric cylinder system. The cause and compensation method of friction are researched, and the influence of system friction on electro-hydraulic servo system is analyzed. Then the friction is outline measured and online observed.

以阀控非对称缸系统为研究对象，探讨了摩擦力的产生原因和补偿方法，分析了液压缸的摩擦力对电液伺服系统的影响，对摩擦力进行了离线计算和在线观测两方面的研究。

In analyzing the system response curve and magnitude and phase diagr...

对系统响应曲线及频谱图进行分析，提出了最佳加权矩阵的一般形式，并指出了提高系统频宽的途径，为电液伺服系统提供了一种有效的优化设计方法。

This article has obtained the stable condition of the system according to the Routh criterion and provided a theoretical basis for the choice of CNC system and the adjustment of position gain.

在对数控机床进给伺服系统进行动态分析的基础上，根据劳斯判据得出了系统稳定的条件，为数控系统的选择和位置增益的调整提供了理论基础。

Aiming at realizing the automation of slabs signing, using PC, motion control card and position servo, the control system for scriber unit in hot spray marking was designed. The hardware constitution, realizing principle and control process were introduced.

为实现热板坯标识过程的自动化，采用"PC+运动控制板卡+位置伺服系统"设计了热板坯喷印机二维写字机构的控制系统，介绍了系统的硬件结构、实现原理及控制流程。

Department of Automation, University of Science and Technology of China, HeFei 230027）Abstract: This paper presents a method of neural network for interactive-force manipulator on the base of kinematics and analyses of the explosive force of human arm mode and neural network theory such as function approach, optimizing calculation. The method optimizes the whole servo-system, and ensures the system's robust.

中文摘要：本文根据关节机械臂的运动特性，在分析用于测试人体手臂运动爆发力机械臂模型设计的基础上，利用人工神经网络的函数逼近、最优化计算等方面理论，结合实际人－机力交互系统的控制特点，提出一种神经网络控制方法，对基于力控制策略的机械手伺服系统进行优化，同时保证了系统的鲁棒性。

The servo system of a photoelectric theodolite is usually a servomechanism composed of double loops of speed and position.

光电经纬仪伺服系统一般是位置、速度双闭的随动系统，其跟踪精度和动态响应能力是衡量系统性能的重要标志。

Developed a computer controlled energy utilization ratio measuring system with which every part's energy consumption in a EDM system could be tested at the same time, including general input, pulse generator and spark gap, dielectric system and servo system.

该系统可以同时测试一个EDM系统中各部分的电能消耗，包括总的输入电能，消耗在脉冲电源和火花间隙中的电能，以及工作液循环系统，伺服系统等部分消耗的电能。

The tracker frame drives the tracking television measurement system to track the target to make the target miss volume reduced and keep the target locked in the field of television.

可见光电视测量系统主要用于对可见光波段的目标进行实时测量，即将视场中目标偏离光轴的角度大小检测出来，送伺服系统，形成闭环，由跟踪架带动电视测量系统跟踪目标，使得脱靶量减少，将目标始终锁定在电视视场之中。

Structure of the system is introduced simply and causations of the system error are analyzed. Affection of Network-Induced Delay on the system is studied especially.

介绍了转塔交流数字伺服系统的组成，分析了系统误差产生的原因，重点研究了网络时延对系统精度的影响。

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。