伺服控制

ABSTRACT This dissertation studies the complete digital DC servo system including its structure, control circuit, control program and stra...

本文主要研究了全数字式直流伺服系统的结构、硬件软件设计方法、系统控制策略等方面的问题。

The article introduces some needed resolving problems. It brings forward principium of control, How can drive the servo signal and X and Z to the coordination of movements; How to change the feed rate; design of system structure, confirmation for input and output point, I / O address allocation;and also the project for speedup/down control during the screwthread processing. Method of programming design and manual operation trapeziform figure in system of numerical control lathe Corresponding project to problems is provided synchronously.

介绍可编程控制器应用于车床数控系统需要解决的问题，如何产生驱动伺服机构的信号及X、Z向的动作的协调；如何改变进给速度等；提出PLC作为数控机床主控制器的控制原理；系统结构设计；输入/输出点数确定及输入/输出点的地址分配；螺纹加工中升、降速的解决方案；程序设计及具体操作梯形图设计的方法，并给出相应的解决方案。

Procedure for the three-ring servo system PID control algorithm simulation, which tricyclic ring for position, velocity and current loop Central.

此程序为三环伺服系统的PID控制算法仿真，其中三环为位置环、速度环和电流环。

Keywords jacquard technique;yarn tension;control system;servo motor;clutch;tufting technique

提花技术；纱线张力；控制系统；伺服电机；离合器；簇绒工艺

To control the post-peak stability to obtain a complete loading curve, and to investigate nondestructive techniques data, the crack opening displacement is used to be a close-loop control unconfinement case.

於无围压系列实验中，以裂缝开口位移（Crack Opening Displacement， COD）之量测作为油压伺服器封闭回路（closed-loop）之回馈控制信号，藉此稳定试验过程之峰后行为；求得完整加载历程曲线与相对应之非破坏检测数据进行研析。

Yu, Valeria Cardellini, and Michele Colajanni,"Dynamic Load Balancing on Web-server Systems," IEEE Trans.

陈建宏，伺服器丛集系统的允入控制与负载平衡机制，电机工程研究所硕士论文，国立中山大学，2003年

Because the point is running with the exponent deceasing speed, the response of system is speed up. Moreover, the smooth of control is realized and the time of response is optimized.

因为运动点以指数规律快速运动，这样可以更好的加快伺服系统的响应速度；并且保证两种控制切换的连续光滑性，能较好的优化系统响应时间。

It is a joint venture that deputizes world famous brands in integrated railway transportation facility field. It not only sells facilities, test equipments, industrial controlling products, servo motor and digital control systems, but also undertakes all kinds of systems engineering for industrial automation, subway locomotive equipment and the reconstruction projects, and supplies high and new advanced technological services.

是以代理销售国际知名品牌轨道交通成套设备、测试及试验设备、工控产品、伺服电机及数字驱动控制系统，承接各类工业自动化系统工程、地铁机车设备及改造项目为主，并提供高新技术服务的国内合资企业。

The characteristic of servo system is studied, and the problems on digitalized signal processor of permanent magnet synchronous motor control system are discussed.

并对伺服系统的特性进行了研究，讨论了永磁同步电机控制系统数字化信号处理器的问题。

With its insetting register control system it is possible to re-pass a previously die-cut and/or pre-printed web in absolute register, and due to the servo-driven, semi-rotary web advance mode the printing length is said to be infinitely variable.

凭借其镶套准控制系统是有可能重新通过以前冲切和/或预先印在绝对登记网上，由于伺服驱动，半旋转网站提前模式打印长度被认为是不尽相同。

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。