伺服系统

This paper introduces an AC servo control system based on the design of CPLD and analogue controller integration.

交流伺服控制系统的组成本文所设计的交流伺服控制系统是用于数控机床上的进给驱动系统。

They can improve the measuring resolution 2-3 grade higher then ordinary direct subdivision technology. Based on Windows 95 operating system and object-oriented technology, a PCbased open architecture CNC hobbing system (including software platform and servo driving) has been developed and used in Y83A hobber successfully.

开发了基于PC总线的内嵌式开放结构的CNC滚齿机数控系统的配套硬件结构：滚齿范成运动的闭环数字式交流伺服驱动系统和滚刀轴向进给运动的步进伺服驱动系统。Y38A滚齿机上的应用实践，证明所进行的改造和开发的开放式CNC滚齿系统是可行的、成功的。

Combine to emphasize the software design that introduced thought and design methods of the direct current servo control system, it included the design of the main procedure, give the design that settle the procedure, modify the design of the procedure and start the design of the procedure to break off the design of the procedure with the T0, passing to the fixed amount with comparison and PID that feedback measures control procedure, output the certain electric voltage, realize system opposite angles degree of accurate follow.

本文介绍了以 MCS—51单片机为控制核心的直流伺服控制系统的工作原理，并着重介绍了直流伺服控制系统的软件设计的思想及设计方法，它包括了主程序的设计、给定程序的设计、修改程序的设计、启动程序的设计和T0中断程序的设计，通过给定量和反馈量的比较及PID控制程序，输出一定的电压，来实现系统对角度的准确跟踪。

In the system, a finepositioning window signal generating circuit redundant, sample and hold circuit of positioning error signal using no traditional charge/discharge method but high-speed switches and operational amplifier integrators, and cross-zero detector with threshold for higher reliability, is originated by the author in this paper.

综合面伺服和扇区伺服的各自优点，设计完成了4000 TPI光刻伺服解调系统：在设计中，首创了带冗余的精定位窗口信号生成电路，采用高速模拟开关和运放积分电路代替传统的电容充放电法，以完成精定位位置误差信号的平均与采样保持，使用带阈值的过零检测电路提高过道脉冲的可靠性。

It uses AMESim to Model and Simulate the servo-cylinder hydraulic system of the straightening machine and discovers the reasonable pr essure of overflow valve between the servo valve and Rodless cylinder servo cavity.

根据油缸压力信号，采用 AMESim 对矫直机伺服缸液压系统进行建模与仿真，找出伺服阀出口和伺服缸无杆腔之间的溢流阀的最合理压力。

AGC servo-cylinder dynamic test Nozzle and spraying systems Systems used in petroleum include: Petroleum continuous tube detection hydraulic system Deep well drill hydraulic system Drill brake and rodless oil pumping hydraulic station, and oil-gas control system

德国水液压总代理 AGC伺服缸动态测试、各系列液压缸和伺服缸各类液压抓具系列各类喷嘴、喷雾系统承担国家重点工程和863项目的石油连续管液压系统和深井钻机液压系统设计制造。钻机盘刹、无杆抽油液压站；油气控制系统等。

The servo controller regards TI Company DSP chip TMS320LF2407A as the main chip,has adopted standard ISA bus structure,has high -integration and high-agility,has accomplished in real-time complex boolean calculation and control algo- rithms during motion control,and can be used to realize high-speed and high-accuracy servo control for mul- tiple axis.

O前言以DSP为核心的多轴伺服控制器越来越广泛地应用在运动控制系统中，上位机只需对被控对象实施总体的控制和管理，而位置反馈信号的采集，闭环控制计算及控制量的输出均由伺服控制器完成，具有运算速度快，支持复杂的运动算法的特点，能实现高速度、高精度的位置伺服或轨迹

This paper integrates theory with practice, follows the principles and methods of software engineering, setup the constitutes frame of NC machine servo feed CAD system, and finishes the research and development of four modules of servo feed CAD system, such as Graphical User Interface Module, Design and Compute Module, Database Management System and Graphics System, by using Object Orient Programming technology, Borland C++ Builder 5.0 Database Engine, parametric feature model technology and 3D solid modeling technology.

本文理论联系实际，遵循软件工程的原则和方法，创建了数控机床伺服进给CAD系统的总体框架。它采用了面向对象编程技术、Borland C++Builder 5.0数据库引擎、参数化建模技术和三维实体造型技术，完成了伺服进给系统的四大部分功能：即图形用户界面模块、设计计算模块、数据库管理系统模块以及图形系统模块。

This positive-feed insertion system has the tension of each roller controlled by a Control Techniques Dynamics UMD servo-motor with resolver feedback to a Unidrive SP AC drive operating in servo-mode.

在这种强制进料插入式系统中，每一辊子的张力都由艾默生CT Dynamics的UMD伺服电机控制， Unidrive SP交流驱动器在伺服模式下驱动带编码器反馈伺服电机。

A deviation to enable business card printing and membership card making more neatly away material; business card printing and membership card Studio Center-drum for double-deck, using thermostatical hollow water circulation system structure, plated nickel plating avoids corrosion, Nano-imprint lithography drum machine, safe and reliable braking equipment; spam satellite business card printing and membership card, four business card printing and membership card production unit in the Centre of coining drum distribution around the business card printing and membership card making support adoption of the integral structure, intensity that cannot be easily; Center for the imprint drum version, roller roller, using separate servo motors between the gearless, Business card printing and membership card making length is not supported by gear pitch in roll-wide choice; business card printing and membership card making pressure, roller and roller pressure singlein servo motor and with memory with two types of regulation, accurate and rapid adjustment; closed ceramic Roller blade device ink to ensure that the business card printing and membership card making ink stability, blade-like device for pneumatic compression; taojian the plate cylinder, taojian-reseaus and roller, the portal structure of push-pull roller and taojian beckenbachannular roller to replace a simple and quick; roller servomotor-driven business card printing and membership card production and business card printing and membership card making machine be a certain speed, stopping the slow down to prevent the ink roller network hang dry knot, splash-proof ink installed equipment downtime or roller pressure, from the printing plate out of arrive﹖, stop to ink, the plate cylinder the full delivery from the pressure to keep the printing plate clean; stainless steel-monlchamus tuhung-glass to prevent ink prints get dirty; dryer direct to the wind, air flow loss small high efficiency, reduces noise scene, new oven heat energy to secondary structures, control temperature control system using intelligentized; traction roll at the same time acts as both a cooling rolls, new structure increases cooling effect.

纠偏，使制卡和会员卡制作走料更加整齐；制卡和会员卡制作部中心大滚筒为双层空心式，采用恒温水循环系统结构，表面镀镍处理可避免锈蚀，中心压印滚筒采用机械制动装置，安全可靠；卫星式制卡和会员卡制作方式，4个制卡和会员卡制作单元分布在中心压印滚筒周围，制卡和会员卡制作支架采用整体式结构，强度好不易变形；中心压印滚筒、版辊筒、网纹辊之间采用独立伺服电机无齿轮传动，制卡和会员卡制作长度不受齿轮节距限制，在版辊范围内任意选择；制卡和会员卡制作压力、网纹辊与版辊之间的压力分别用伺服电机调整，并具有记忆功能，调整有两种调节方式，精确调整与快速调节；陶瓷网纹辊封闭刮刀装置供墨，可确保制卡和会员卡制作过程中油墨稳定饱满，刮刀装置为气动加压；套筒式印版滚筒，套筒式网纹辊筒，门式推拉式结构使套筒版辊与套筒网纹辊更换简单快速；网纹辊由伺服电机驱动，制卡和会员卡制作时与制卡和会员卡制作机保持相对一定的速度，停机时则放慢速度匀墨，防止网纹辊网坑枯结，两边安装防油墨泼溅装置，在停机或离压时，网纹辊立即从印版脱离开来，停止给墨，印版滚筒把墨完全传递后离压，保持印版清洁；不锈钢接墨斗，防止油墨滴漏蹭脏印品；干燥箱采用直接进风型式，风量损失小效率高，减小了现场噪音，新型烘箱结构热能可二次利用，控制采用智能化恒温系统；牵引辊可同时兼作冷却辊使用，新型结构增大了冷却效果。

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。