A new micro-positioning control system using PZT for ultra-precision grinding was designed. The functions of this system include measure, compensate, drive, etc.
介绍了一种最新开发的面向精密磨床的压电陶瓷驱动微进给控制系统，该系统是一个驱动、检测和补偿为一体的闭环系统。
NextGen is the FAA's long-term plan to replace the current radar-based air-traffic-control system with one that operates using satellites and a global positioning system.
联邦航空管理局的长期规划是用凭借卫星和全球定位系统的次世代体系替换现有的依靠雷达的空中交管系统。
Under the OSSS contract, Harris provided operations, maintenance and support services to the Air Force Satellite Control network and Global Positioning System ground networks.
根据这份OSSS合同，哈里斯公司为美国空军卫星控制网络和GPS地面网络提供了运行、维护和支持服务。
Using this technique you have a lot of control over the positioning of your lights, intensity, color, and much more, making it quite a good system to use for shadows.
使用这个技术你可以对灯光进行很多控制，位置，强度，颜色，更重要的是它提供了生成阴影的一个绝好的系统。
Train track occupancy recognition is to determine if the train is passing over a switch and to supply reliable information for train positioning system and train control system.
列车轨道占用识别目的是在平行的多轨道区域识别列车所占用的轨道信息，为列车定位子系统或控制系统提供可靠的信息。
In this system, linear motor is applied, and under the control of computer, fast response of servo drive for tool feed, high positioning accuracy and high precision workpiece are achieved.
该系统用直线电机，在计算机的控制下，刀具进给伺服机构响应速度快，定位精度高，能高速、高精度地加工工件。
The essential structure of this system is presented, an efficient arithmetic of automatic positioning control is introduced, and several relevant data in a practical case also are given.
文中介绍了该系统的基本结构，阐述了自动定位控制的一种有效算法，给出了在一个实际应用中所达到的控制效果的有关数据。
Investigates a method for increasing the positioning accuracy of electric APC (auto position control) system for plate mill while assuring its positioning speed.
研究在保证中板轧机电动APC(自动位置控制)系统定位速度的同时提高定位精度的方法。
On the basis, the corresponding research on control strategy has been studied for the pneumatic servo positioning system.
在此基础上，对气动伺服位置控制系统进行了相应控制策略的研究。
Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.
差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。
The device with global positioning system (GPS) localization and communication with monitor and control center on construction machinery is a key equipment for construction machinery group management.
智能化工程机械的GPS定位与监控中心的通信装置是实现工程机械机群化管理的关键装置。
As a kind of linear motor, linear force motor usually is used as an actuator in positioning or switching control system for hydrometric servo valves and so on.
直线力电机是直线电机的一种，主要是作为执行器应用于电液伺服阀等位置伺服或开关量控制系统。
In cooperation with computer control step motor, the positioning system has such advantages as automatization, high precision, large view field and non contact etc.
该系统与计算机控制的步进电机配合使用，具有自动化程度高、大视场高精度和非接触性等优点。
The pneumatic servo positioning system, which is composed of rodless cylinder and the servo valve, is studied on mathematical modeling and control in this paper.
本文对由伺服阀和无杆气缸组成的气动伺服位置控制系统进行了数学建模和控制研究。
The dynamic positioning system is a closed loop control system which resists against the disturbance by wind, wave, and current with the help of thrusters on the vessel.
动力定位系统是一种闭环控制系统，采用推力器来提供抵抗风、浪、流等作用在船上的环境力，从而尽可能使船舶保持在海平面要求的位置上。
A predictive model of positioning system using predictive control algorithm is presented. The software design method of the positioner based on predictive control theory is introduced.
在预测控制的算法机理上给出了位置控制系统的预测模型，并在此基础上进一步介绍了基于预测控制理论的位置调节器程序的设计方法。
The functions of this system focus on GPS automation positioning, information exchange between vehicle and control center by GPRS, collection of vehicle state and etc.
该系统具有GPS自动定位、GPRS方式与中心交互信息、车辆状态采集等功能。
Provides a way to simulate waves in real-time according to random-wave-spectrum. It can be used to study the performances of dynamic positioning ship and control system under different waves.
提出一种根据随机海浪频谱来实时模拟随机海浪的方法，它可以用于研究动力定位船舶及其控制系统在不同海况时的性能。
The automatic boom control and the planter swath control also use the global positioning system and saves inputs by avoiding overlap when spraying insecticides, herbicides and foliar chemicals.
自动播种和收割控制都使用全球定位系统，节省了投入的成本，避免了喷洒杀虫剂和除草剂等化学物质的重复使用。
A remote camera positioning and control system is disclosed that permits a sole operator to use and support a camera out of arm's reach.
公开一种远程摄像机定位和控制系统，其允许单个操作者使用和支承在手臂范围外的摄像机。
Ac servo systems have some strongpoint, such as fast response speed, high accuracy positioning, etc. The performance of entire machine is enhanced when it applies in control system of sewing machine.
交流伺服技术具备响应速度快、定位精度高等特点，将其应用在工业平缝机的控制系统中，可提高工业平缝机的整机性能。
Combining computer system and detecting device, the micro-positioning system of compound control is designed and researched. This system is based on feedforward and digital PID control.
结合检测装置和微机控制系统，设计并研制了基于前馈控制同数字PID反馈控制相结合的复合控制的微定位系统。
Applying the idea of unit control and regional division, we design a running - in machine system to study on the cell positioning and position measurements.
摘要采用基于“单元控制，分区定位”的思想，构建了跑合机系统，研究多单元的定位测量问题。
As an important component of the drive, the control system dominates the starting, stop, speed regulation, precision positioning, and so on.
控制系统是机电集成静电谐波传动系统的重要组成部分，控制着该传动系统的启动、停机、调速和定位等功能。
Especially, this system has very good performance of vehicle positioning and heading control. The predetermined research goal has been achieved.
特别是，本系统对潜器的位置和艏向具有优良的控制特性，达到了预定的研究目标。
Fuzzy control and adaptive inverse control using in the micro-positioning system are introduced.
介绍了模糊控制和自适应逆控制在微位移系统控制中的应用。
This paper has been discussed 10-ton gantry crane hoist positioning system and automatic correction system of control strategies based on the mathematical model.
本文根据已经建立的数学模型探讨了十吨级龙门吊起升定位系统及自动纠偏系统的控制策略。
And the static and dynamic systems of Servo system affect positioning speed, positioning accuracy and machining accuracy of numerical control machine tool directly.
而伺服系统的静态、动态性能直接关系数控机床的定位速度、定位精度和加工精度。
In this paper, a new micro-positioning servo control system using a piezoelectric. Actuator is introduced, the hardware consist and working principle are also given.
本文介绍了作者最新研制的一种高精度压电陶瓷驱动微进给伺服控制系统，给出了系统的硬件组成及工作原理。
For different purpose, we can make variety positioning control and optical measurements in the system.
在此系统上，可以通过设计跑合流程，以满足不同的定位单元测量要求。
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