控制

Quasi-constant torque control is used when the speed is lower than 125 km/h, and constant power control is applied when the speed is higher than 125 km/h. Direct rotor flux oriented control system is employed and three-level neutral point clamped traction inverter with SVPWM control is adopted.

在速度低于125km/h采用准恒转矩控制，速度高于125km/h采用恒功率控制，采用直接转子磁场定向控制系统，牵引逆变器采用空间电压矢量控制的带中点钳位二极管的三电平拓扑结构。

Researching low speed wiring electro discharge machine,this paper proposes a hardware architecture of motion control system of LSWEDM based on DMC3000 motion control card,and focuses on analysis for the methods of motion control.

该运动控制系统实现了低速走丝电火花线切割加工中4轴联动控制的需求，并经反复调试，很好地解决了该系统运动控制精度要求高、控制轴数多等技术难点。

This machine can wind up sheet materials and f¨ms.suitable for use in the production lines of various sheet materials and f¨ms It features serve control or variable frequency control system with interface,auto control of drawing and win ding tension,auto edge trimming,auto measuring ofwound length,auto severing and change of roll,and real-time display of roll diameter and weight.

这款机型主要用于片材。薄膜生产线中的卷绕，适合配套一般片材。薄膜生产线。该机采用伺服控制或变频控制系统，人机界面操作控制，引取。卷取张力自动控制自动裁边，可直接分裁，自动计算米数，不需胶纸自动换卷，换卷自动切割，实时显示产品直径，产品重量。

The combustion system is consist of there loops: load control loop, input wind control loop, furnace pressure control loop.

文中将燃烧控制系统分为三个回路：负荷控制回路，送风控制回路，负压控制回路。

The adding of anatase nano-crystalline TiO_2 to the deposition solution accelerates the depositing of TiO_2 articles from the deposition solution on the silica glass fiber. A well-combined and durable TiO_2 thin film on silica glass fibers surface obtained by controlling the deposition temperature, deposition time, deposition cycles, concentration of the deposition solution, relative concentration of the deposition materials, pH value of the deposition solution. The effect of the deposition conditions, the drying conditions and the annealing treatment conditions on the surface morphology, section morphology, growth patterns, thickness of the deposited TiO_2 thin films were investigated. Growth rate and particle size of the thin films were controlled by the deposition conditions.

实验结果表明加入微量的锐钛矿型纳米TiO_2诱导晶可以使沉积液中析出的TiO_2粒子更大程度的以锐钛矿型纳米TiO_2粒子的形式析出；通过对沉积温度、沉积液中组分浓度及相对浓度、沉积溶液的pH值的调节与控制，从而控制沉积溶液中化学反应平衡的移动，研究了以上条件对沉积速率、沉积溶液中[Ti6]2–与—OH、[Ti6]2–之间的脱水聚合反应速率的影响，总结出了获得均匀致密质量较好的TiO_2薄膜的一系列实验参数，并对薄膜的生长模式进行了系统的分析研究；通过对沉积时间及沉积次数的分析，可以有效的控制TiO_2薄膜的厚度及质量；通过对薄膜的干燥条件及热处理条件的控制，可以使利用液相沉积法获得的TiO_2薄膜进一步晶化；并分析了对薄膜引起缺陷的主要原因。

With strong technical force, high-quality staff team and the courage to open up the spirit of technology, Anton has developed a series of international advanced level of intelligent instruments and meters, the main products are: LU-900M Series can adjust the temperature control device, LU-R / C Series process control logger, LU-190 Series Intelligent Power Detector, LU-C Series pressure transmitter, LU-A/B/AB Series°¤with electrical isolation, LU-50 Series Intelligent Flow Totalizer Miriam count, JKH phase-shifting flip-flop, DP series digital current and voltage table, a type of temperature control cabinet, ANTHONE DCS Distributed Control System.

凭借雄厚的技术力量、高素质的员工队伍和勇于开拓技术的精神，安东公司开发出了一系列具有国际先进水平的智能仪器仪表，主要产品有：LU-900M系列只能温度控制调节仪、LU-R/C系列过程控制记录仪、LU-190系列智能电力检测仪、LU-C系列压力变送器、LU-A/B/AB系列隔离安全栅配电器、LU-50系列智能流量积算仪、JKH移相触发器、DP系列数字电流电压表、个类型温度控制柜、ANTHONE DCS集散控制系统。

Computer electrostatic dust control devices, concrete pump truck transmission control devices, and to undertake industrial production process control and process control of the pipeline design and transformation.

微机静电除尘控制装置、混凝土输送泵车控制装置等，并承接工业生产过程控制及流水线工艺控制的设计与改造。

More than ten years ago,"the negative day" the numerical control line cutting engine bed first applies and the actual production, starts the control bench is uses the transistor separative element assembly to become, after but uses the integrated circuit, now to is using the direction which the microcomputer controls to develop, Therefore this definition design "the electrical fire colored thread cutter automatic control" is by 8031 shrapnel machine took the control core, step-by-steps the electrical machinery achievement to actuate the electrical machinery, the diffraction grating a closed-loop control system which constitutes as the position examination part.

十多年前，&负旦型&数控线切割机床首先应用于实际生产，最早控制台是由晶体管分离元件组装而成，逐渐采用集成电路，现在正向采用微型计算机控制的方向发展，因此本论文设计的&电火花线切割机的电气控制系统&是以89C55单片机作为控制核心，步进电机作为驱动电机，光栅作为位移检测元件而构成的一个闭环控制系统。

The influences of factors such as plate shape of blank,rolling oil,roughness of roller,distribute of process rate on rolling pass,tension distribution,roller bending,thermal crown and corresponding control methods are studied so as to improve the plate shape.

阐述了冷轧板形的定义和控制方法，研究了铝铸轧坯料板形、轧制油、轧辊粗度、道次加工率的分配、张力分配、弯辊控制、热凸度等因素对冷板板形的影响机理和相应的控制方法，通过控制达到改善冷轧板形的目的。

The instrument is a small DCS which includes temperature control system for heating furnace, water tank level control system, tank pressure control system and host computer monitoring system formed by MCGS software.

这一套装置是由一个加热炉温度控制系统、一个水箱液位控制系统、一个气罐压力控制系统和一个由 MCGS组态软件组建的上位机监控系统组成的小型集散控制系统。

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。