伺服系统

The book is divided into 14 chapters, including Introduction, continuous control system theory, process and discrete sampling, Z transform, sampled-data systems, discrete approximation of continuous system the equivalent, based on mathematical transform the classical design method, based on state space pole placement design methodology, multi-variable system of quadratic optimal control, quantitative effects, the choice of sampling period, the digital control system modeling, digital control system for a variety of design methods, variables quadratic optimal control systems, sampling cycle of selection, non-linear control of the problem, as well as digital control system, a typical application - Disk drive servo control design.

全书共分14章，内容包括概论、连续控制系统理论、采样过程和离散化、Z变换、采样数据系统、连续系统的近似离散等效、基于数学变换的经典设计方法、基于状态空间的极点配置设计方法、多变量系统的二次型最优控制、量化效应、采样周期的选择、数字控制系统的建模问题、数字控制系统的各种设计方法、变量系统的二次型最优控制、采样周期的选择、非线性控制的有关问题，以及数字控制系统的一个典型应用——磁盘驱动器的伺服控制设计等。

In order to adjusting plate electrization,some servo-motors replacing mechanism as actuator were installed in the gap of the plate cylinder.

在印版滚筒的空当安装伺服电机作为执行机构来代替机械部分的动作，以实现调整印版的电气化；通过光电头自动检测套印误差，并将误差信息反馈给伺服放大器，构成闭环控制系统。

The gateway mainly consists of an admission controller and a request scheduler. To prevent the server from being overloaded while exhausting all resources, AC controls the forwarding rate of requests to the server. To provide proportionally differentiated system time between classes, RS schedules the requests according to three reformed latency-based scheduling algorithms including Waiting Time Priority, Mean Delay Proportional and Proportional Average Delay.

这个闸道器系统主要由许可控制机制与要求排程机制两大部分所组成，其中的许可控制机制透过控制转送要求的速度，除了可以避免网站伺服器过载，还可以尽量的有效运用网站伺服器上的资源；而要求排程机制则依据三种修改过的比例延迟演算法， WTP， MDP和PAD来进行要求排程，以提供不同等级间的整体回应时间比例差别服务。

According to the change of the motor parameters, the torque ripple is analyzed based on the model .

永磁交流伺服电动机的转矩波动直接影响系统的控制精度，是最为关注的伺服性能指标之一。

Based upon our findings and recommendations, Thermoelectricity head factory Shanghai Petrochemical Industry CO.

上海石化股份有限公司热电总厂根据我们的建议更换了全新的电液伺服阀以后，彻底解决了DEH系统电液伺服阀的失效问题。

This thesis,aim at the portability,makes the design of residential supervising system modulized and a small scale.It combine the microcontroller to process data through internet and store input signal in the database.In addition,it need the basic internet environment rather than database and web server.In this thesis,the sensor module and other hardware are also designed portably in order to set up easily.

因此本研究以「可携式」为目标，针对一般居家活动监测系统进行模组化、缩小化设计，并结合单晶片网路伺服器作资料处理与传输，以个人化资料库软体作资料储存与处理，仅需基本家庭网路环境，不需专用伺服器主机，而且感测器及软体亦均设计为可携式，期望能以简单、高弹性、客制化的方式，依个人需求装置於居家环境中。

Linkage mechanism of study. Forepart all gather be linkage mechanism structural analysis and agency designer. In recent years so emphasize in kinetic synthesis dynamic and motility analysis. So text needle towards inquire into slider four-bar linkage mechanism agency positioning control.Research emphases are as PID control, fuzzy control, Fuzzy sliding mode control three kinds of controllers for control core. Permeate practical mechanism to positioning control to function. Simple exertion market vends signal extract card (PCL-833) and multi-function card (PCI-1711). Make it make signal extract and bring forth exportation control voltage. Will AC servo motor turn signal, as positioning system point of angle sensor. Reach to slider four-bar linkage mechanism servo positional control research.

连杆机构的研究，早期都集中在连杆机构的结构分析和机构设计，近年来也多著重於运动及动力分析上，因此本文就是针对於探讨滑块四连杆机构的定位控制，研究重点是以PID控制、模糊控制、模糊顺滑模式控制三种控制器为控制核心，透过实际的机构达到控制定位的功能，运用市面上贩卖的讯号撷取卡(PCL-833)和多功能卡(PCI-1711)，使其对讯号做撷取和产生输出控制电压，将AC伺服马达的转动讯号，作为定位系统的角度感测器，达到滑块四连杆机构伺服定位控制的研究。

The dynamics model of missile sealifts system for navy ships connected parallely is established. The dynamics simulation analysis of system is studied. The dynamics characteristic of missile box on the condition of different sea states and place parameters of crane are analyzed. The theory and technology bases for the design of system of missile sealifts or navy ships connected parallely are presented. The controlled multibody system dynamics of the system of missile sealifts with wave compensation for navy ships connected parallely is presented. On the condition of stochastic momevement of depot ship and incept ship and under the action of sealifts and wave compensation, the dynamics of sealifts system is studied by using discrete time transfer matrix method of multibody system. The calculate method of electric machine impule is developed in the process of supplying missile and action of wave compensate. Based on the PLC control system, the control method, which control supply process by testing torque of guide strings is presented.

本文建立了舰艇并靠导弹补给动力学模，进行了舰艇并靠导弹补给及波浪补偿系统动力学仿真分析，获得了导弹箱在不同海况下和舰用起重机不同位置参数的运动规律，为舰艇并靠导弹补给系统设计提供了理论依据和技术基础；建立了舰艇并靠导弹补给及波浪补偿受控系统多体动力学，在补给舰和被补给舰随机运动下，在补给和波浪补偿系统作用下，应用多体系统离散时间传递矩阵法进行了补给系统动力学分析，得到了导弹补给过程中，波浪补偿时，导引电机和卷扬电机输入电机脉冲计算方法；建立了以PLC 控制系统为核心，用扭矩传感器测量导引带产生的扭矩来控制补给过程的控制方法；对系统振动问题进行了研究，提出了通过调整伺服电机参数减少系统振动的方法。

By means of analyzing the recent technical level of domestic turbine governor researching manufacturers, this paper summarizes from following aspects: the governor's system structure modes, the microcomputer adjustors composed of industry control computers, dual-redundant computer issue, friendly man-machine interfaces with plenty contents, the governor's computer analog test functions, hydraulic components adopted the industry standard such as a proportional servo valve or an electrohydraulic converter composed of a servo motor, the setup of mechanical feedback and mechanical opening limited mechanism, the governor's generally raised oil pressure grade.

通过分析国内水轮机调速器研制生产厂家的最新调速器技术水平，从调速器的系统结构模式、以工业控制计算机构成的微机调节器、计算机双机冗余问题、友善且内容丰实的人机界面、调速器的计算机仿真测试功能、采用工业标准液压件如比例伺服阀或伺服电机构成的电液转换部件、机械反馈和机械开度限制机构的设置、普遍提高的调速器油压等级等方面进行了总结。

This paper introduced how to use digital AC servo motor in the universal material testing machine, and give an example of applying MINAS A serial servo motor to 5 tons material testing machine.

主要介绍了全数字式交流伺服电机在万能材料试验机控制系统中的应用，并给出了将松下MINAS A系列伺服电机用于5吨材料试验机的例子。

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。