伺服系统

In this study, the architecture of the remote alert system is:(1) the inner controller of the factory mechanical equipment connects to the webpage control server,(2) the webpage control server conveys the operation state of the equipment controller to the remote alert system by the network,(3) the fore-end process module of the alert system receives the equipment abnormal messages, according to the user define parameters, the rear-end process module of the alert system issues the alert.

本研究之示警系统架构为：(1)工厂机械设备之内部控制器接至网页控制伺服器，(2)网页控制伺服器经乙太网将设备控制器之重要运转态传送至示警系统伺服器，(3)示警系统之前置处模组接收设备常资讯，并依据设定之服务，调阅系统中引模组，并透过系统之讯息执模组进警示资讯的发布。

Based on the characteristics of the electrohydraulic servo system,the transient optimal control method using the p Q character of servo valve as constraint condition of inequality is presented.

文章分析了线性二次型最优控制不适用于电液伺服主动抗振系统的原因，并根据电液伺服抗振系统特点，提出了以伺服 p- Q特性各不等式约束条件的瞬时最优控制方法。

By combining virtual instruments technique with the test technique of electro-hydraulic servo valve, the test system of electro-hydraulic servo valve based on virtual instruments has been developed by the graphics software-LabVIEW6.1. The test principle and method of electro-hydraulic servo valve were discussed in this dissertation. The experimental results on a Moog servo valve demonstrate that the design of electronic-hydraulic servo valve test system is valid.

本文将虚拟仪器技术和电液伺服阀性能测试技术结合起来，利用图形化软件工具—LabVIEW，研制开发出了基于虚拟仪器的电液伺服阀性能测试系统，对电液伺服阀的静、动态特性测试原理和方法进行了讨论和研究，以MOOG伺服阀为测试对象进行了静态特性测试和试验结果分析，验证了所开发的电液伺服阀测试系统设计方案的合理性。

Motion synchronization between tool in X direction and principal axis rotation was controlled by electronic gearbox in cam turning. And profiling mechanism could be superseded by servo tool-holder. Linear motor direct drive servo tool-holder was designed, and host-slave control system with PC and DSP was developed for the require of high-speed and realtime servo. The technical process was analyzed in cam turning. Servo tool holder with tool swinging and principal axis variable rotate speed were presented to keep constant cutting angle and speed.

将电子齿轮箱用于凸轮车削加工系统的传动，以伺服刀架取代了传统加工的靠模装置，实现了刀具X方向直线运动与机床主轴转动的同步控制；设计了直线电机直接驱动的伺服刀架及基于PC与DSP构成的上—下位机控制结构，采用DSP进行实时控制以满足高速伺服需要；对凸轮加工过程的工艺特点与恒角度、恒速度车削进行研究，提出了具有刀具摆动功能的伺服刀架与机床主轴变转速运动方案。

At last, with the position/velocity servo control modes, the precise reciprocating motion of single coordinate flat roofs and continuous whirligig of platens are achieved.

首先分析永磁同步电机及其驱动器的位置／速度伺服控制模式，然后提出在同一个运动控制系统中应用多伺服控制模式的概念，最后，基于位置／速度伺服控制模式，实现了坐标平台的精确往返运动控制和滚筒的连续匀速旋转运动控制，同时介绍了系统的构成，并对系统参数作了详细分析。

The aim of the dissertation is to improve the working performance of a speed servo system.

本文围绕提高速度伺服系统的性能开展研究工作。

With analysing the parameters, we found that the pressure of the operation point has great influence on the system.

基于这一点，本文提出了一种采用压力比例阀控制的电—气比例/伺服系统。

The extract of leading line is the emphasis of machine vision servo system.

论文根据目的视觉观点，建立了农业机械机器视觉伺服系统。

Experimental results show that for any position within the stroke and any payloads in a certain range , better control performance can be achieved.

理论分析和实验结果表明，论文提出的控制策略是有效的。应用这些研究成果，获得了高性能的摆动气缸位置伺服系统。

This paper focuses on the visual servo control for an uncalibrated robot ann with an eye-in-hand camera.

机器人视觉伺服系统是机器人领域一重要的研究方向，它的研究对于开发手眼协调的机器人在工业、生产、航空航天等方面的应用有着极其重要的意义。

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。