伺服系统

In addition, the Lyapunov theorem is applied to have the asymptotic stability of the closed loop system with system parameters updated on line.

控制器便能依据当时振动情况，主动产生出反振动讯号输出给伺服马达，让控制系统进入至滑动平面来达到控制的目的。此外，理论中还使用了 Lyapunov 稳定法则来确保控制过程中之渐进稳定性，并更新系统所需之参数。

A laser 3D body scanning system based on light stripe method was presented,which can realize body contour automatic scanning from top to bottom and forming a circinal stripe on body surface with four semiconductor laser linear light sources.Light stripe image is received from eight image CCD cameras located on the two sides of linear light sources.

研制了光带法激光三维人体扫描系统，以4个半导体激光线光源在人体表面形成一个环带，通过位于线光源两侧的8个面阵CCD摄像头接收光带像，在四轴伺服同步扫描系统和计算机网络采集系统的支持下，自上而下地实现了人体外形轮廓的自动扫描。

For many yeara,we are for PLC and touch screen, for our inverter, and distribution, stepping servo control, CNC system has extensive practical experience,For customers in the product already performance test, the data acquisition system, the automatic production line, welding machines, printing machines, air-conditioning equipment, glass machinery and electronic equipment, spraying, energy-saving equipment modification, etc.

多年来，我们对 PLC 、触摸屏、变频器、伺服、步进、配电控制、数控系统等具有丰富的实战经验，已经为客户在产品性能检测、数据采集系统，自动化生产线、焊接机械、印染机械、空调设备、玻璃机械、电子设备、喷涂、节能设备改造、等方面开发、设计、改造了众多自动化设备及先进的自动化控制系统，并为其提供周到的技术支持和售前、售中、售后服务，受到客户的一致好评。

In this paper,the position accuracy improving method of the opening CNC system based on PMAC is analyzed,the servo-control algorithm which involves PID,velocity/acceleration feed forward control and notch filter and the error compensation function provided by PMAC is discussed,the pitch error compensation and the clearance error compens.

文章分析了在基于 PMAC 的开放式数控系统中提高定位精度的具体方法，对 PMAC 所提供的&PID+速度/加速度前馈+陷波滤波器&的伺服控制算法和误差补偿功能进行了阐述，将螺距误差补偿和间隙误差补偿应用于航空航天领域某型测控系统的系统误差补偿中，取得了良好效果。

This system not only can realize the performance of DVD, but also can achieve the function of digital power amplifier, which can satisfy the user's need of hearing, and by the switching of circuit can switch the DVD and RDS system. Furthermore, by tunning the parameters of digital servo part, it can use in car multi-media.

本系统不仅能够实现一般DVD 整机的功能，而且实现5.1 声道的数码功放，满足用户听觉需要；通过外在切换电路，实现DVD 系统和RDS 接收系统的切换，增强整机功能；而且通过调整数字伺服的参数，可以改装用在车上，满足车载多媒体的需要。

The paper is based on the project background which manufactures the Air propeller flooding automatic ultrasonic testing system. The servo control equipment based on double CPU of the IPC and the PMAC is the core of the robot system. Combined with the corresponding error compensation and control strategies, the robot system achieves the high-precision ultrasonic testing automation.

论文以&航空螺旋桨水浸超声自动检测系统&研发为背景课题，开发了基于PC和PMAC双CPU伺服控制系统为核心的机器人检测系统，结合相应的误差补偿和控制策略实现了超声检测的高精度自动化。

This paper mainly gives the method of using HMI and PLC to control horizontal cutter machine, through the research of the control system of horizontal cutter machine and combined with the practical background.

本文主要介绍了利用触摸屏和 PLC实现对横切机的伺服控制，通过对横切机控制系统的研究，联系系统实际的应用背景，制定了横切机控制系统的实现方案。

Before cell injected, the error matrix is calculated from servoing control equation to calibrate injection system , by which the coordinate transform error between vision system and micromanipulator system is minished.

细胞注射前，利用伺服控制方程计算的误差矩阵对系统进行标定，减小显微视觉系统和机械手系统间的坐标变换误差。

Minishing the surplus force is the crux of the loading system.the paper aims at lessening the surplus force and improving the loading system performance.

在仿真系统中，飞行控制系统采用实物，而飞行器在飞行过程中所受的外界作用力则由电液伺服加载系统来提供。

The experimental results prove that this servo system has good dynamic and static behaviors and can meet the demand of gun turret satisfactorily.

经过系统联试，实验结果证明该系统具有良好的动、静态控制特性，可满足高性能炮塔伺服控制系统的要求。

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。