伺服系统

Products include PLC, Touch Panel, VVVF, AC servo system, power distribution control, numerical control systems, but also to the field of enterprise customers tip of technical services, technical engineering staff of the PLC, Touch Panel, inverter, servo , step, such as automation and control systems, has a wealth of practical experience in engineering, a lot of companies have successfully carried out for the system design and technical transformation projects, covering machine building, metallurgy, textile, printing and dyeing, paper making and printing, food processing, water treatment and other industries to provide better and more efficient services.

产品包括PLC、触摸屏、变频调速器、交流伺服系统、配电控制产品、数控系统，同时也向该领域企业客户提供先端的技术服务，公司技术工程人员对PLC、触摸屏、变频器、伺服、步进等自动化控制系统等，有着丰富的实际工程经验，先后为很多公司成功进行系统设计和技术改造等项目，范围涉及机械制造、冶金、纺织、印染、造纸及印刷、食品加工、水处理等行业，提供更好、更快的服务。

The software and hardware realizing scheme of high performance, AC servo system based on the digital-analog mixed type of 16 bits high performance, single piece micro computer 80C196 is presented in this paper It expounds the theory and method of system design for industrial applications, and it also gives out the situation of system industrial applications Based on the analysis of the influential characteristics of servo system the method of improving the system precision, estimative model of loading torque and instantaneous velocity, compensative predictive control under low speed motion are dicussed in this paper.

论述了面向工业对象的系统设计原理与方法。并给出了本文系统工业应用的情况。在分析影响交流伺服系统性能的基础上，提出了改善系统精度的方法，给出了负载力矩和瞬时转速的估计模型，研究了低速运行时的补偿预测控制，提高了伺服系统低速稳定运行的范围。

In this paper. a novel magnetic head crab track pluck detection way is given by the analysis of etched servo graph for 4000 TPI etched surface servo. It improve the maximum seek track speed of magnetic head greatly, So that magnetic head can seek track at high speak for high track density.

光刻伺服盘是一种新的磁头伺服定位技术［1］，通过对4000TPI光刻面伺服系统的光刻伺服图形结构的分析，本文提出了一种简单可靠的磁头过道脉冲检测方式，可显著提高磁头寻道速度，保证磁头在高道密度下高速寻道。

Experimental results demonstrate that the system effectively restrains 40Hz and less than 40Hz facular trembles,and can satisfy the tracking bandwidth in free space optic communication.

结果表明，神经网络比例-积分-微分控制算法增强了伺服系统鲁棒性，并提高了伺服系统实时性；采用400Hz的CCD，精跟踪伺服系统对40Hz以下的抖动能有效抑制，基本能满足在空间光通信中跟踪带宽需要。

By the research of AC servo system , we prepare to combine the application of Ac servo system and the the design of Foot orthosis for the first time , openningout a new application field of AC servo system.

本文针对数控技术、交流伺服系统和足底矫形器加工特点进行研究与分析，首次将交流伺服系统的应用与足底矫形器的设计相结合，开发出交流伺服系统新的应用领域。

However, the servo technology which exists as a kind of software in DSP, determines the performance of the servo system. The unadvanced servo technology extremely restrains the development of high performance servo system of our country.

然而，以软形式存在于控制芯片中的伺服控制技术是决定伺服系统性能指标好坏的关键技术，它成为制约我国高性能交流伺服技术及产品发展的瓶颈。

Firstly, this thesis makes an introduces on the developement of PMSM servo system based on DSP. According to the control theory of AC PMSM servo system, this paper analyzes the coordinate transformation, the rotor magnetic field orientation and the current control strategy of AC servo system. The control strategy is i_d=0. The system is orientates towards rotor magnetic field. Then the mathmatic models of PMSM in d-q coordinate are set up.

本文首先对基于DSP的永磁同步电机伺服系统的发展概况进行了介绍；根据永磁同步交流伺服系统的基本控制理论，分析了交流伺服系统坐标变换原理、常用的磁场定向方式及电流控制策略，并给出i_d=0电流控制策略及永磁同步电机按转子磁场定向的控制方式，从而建立永磁同步电机d-q坐标系下的数学模型。

Straight drives the type battery solution servosystem use exchange servo electrical machinery to replace traditional the electrohydraulic servo valve, through changes the pump the rotational speed to change its delivery rate, synthesized above the two merit, has the energy conservation highly effective, the volume small, the structure simple, requests to the fat liquor filtration precision low also easy to realize the computer control and so on the remarkable merit, is one of present hydraulic control recent development directions.

直驱式电液伺服系统使用交流伺服电机代替传统的电液伺服阀，通过改变泵的转速来改变其输出流量，综合了以上二者的优点，具有节能高效、体积小、结构简单、对油液过滤精度要求低且易于实现计算机控制等显著优点，是目前液压控制新的发展方向之一。

Three-axis hydraulic simulator is a complex multiple-input-multiple-out nonlinear system. Its inner and outer gimbals are directly driven by a set of hydraulic servo system respectively, and its middle gimbal is directly driven by dual hydraulic motors servo system. The performance of hydraulic control system is very important to the simulator's.

液压三轴仿真转台是一个多输入多输出的复杂非线性系统，其内框和外框各由一套电液位置伺服系统直接驱动，中框由双液压马达伺服系统直接同步驱动，相应的液压控制系统的性能对转台的性能有着十分重要的影响。

Electro-hydraulic servo valve is the key component of electro-hydraulic servo system, the test of its static and dynamic characteristic is significant in theories and test research of electro-hydraulic servo system.

电液伺服阀是电液伺服系统中的关键元件，其静态和动态特性测试在电液伺服系统的理论与实验研究中具有十分重要的意义。

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。