控制信号

The control center unit of this control system is based on a general-purpose microcontroller AT89C52, with LSI peripheral hardware including signal sampling unit for angular and wind speed, control output and power driving unit, keypad-display-alarm unit, and serial communication and printer interfacing unit.

采用通用微控制器AT89C52，设计了控制系统的控制中心，采用大规模集成电路开发了转角、风速信号采集单元、控制输出与功率驱动单元、键盘显示报警单元、串行通讯与打印接口单元等硬件系统。

Direct torque control is the most excellent control technology for induction-motor at moment. Digital signal processor with high speed arithmetic and logic operation is the base for its digital realization.

直接转矩控制技术是目前最为优良的交流电机控制技术，数字信号处理器的高速运算和实时处理功能为直接转矩控制技术的数字化提供了基础。

Time-delay problem was hard to be avoided in many occasions of industrial process control and network transportation. It was a severe disadvantage for control performance especially in input aslant systems.

时延问题在工业过程控制以及网络传输中难以避免，严重影响控制效果，尤其对于输入信号变化较大的控制过程，危害更加严重。

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

A measurement scheme is proposed by theoretical analyzing and experiment, which is a mutidiscipline method relating to optics, precision mechanism, electronics, computer science and control technology. In the designing of the controller, a fourfold phase photoelectric battery is used as the photoelectric incepted sensor, an ADuC812 chip is used to sample data and a incomplete numeric differential PID arithmetic is adopted in the control system.

通过理论分析和试验研究，设计了一套涉及光学、精密机械、电子、计算机和自动控制等多学科技术的测量控制方案，建立了以光电池为光斑位置信号检测传感器，采用ADuC812数据采集芯片进行数据采集和不完全微分数字PID控制算法的跟踪测量控制系统，通过跟踪测量实验验证了这种方法的可行性。

To accomplish the intelligent control of the three-axis numerical control system of the boring and milling machine tool based on IPC ,the research makes good use of the intelligence sport control card PCL-839 and PCLD-782/785 card to design the control system of the three-coordinate NC machine tool with the framework of embedding NC in PC.

为实现基于工控机 IPC 的三坐标印制电路板数控钻铣床的智能控制，研究运用PCL-839运动控制卡和信号输入输出卡PCLD-782/785，采用NC嵌入PC式结构设计该三坐标印制电路板数控机床的控制系统，以实现对该数控机床的控制。

Elevator's type are many and varied, comes the minute according to the control mode to have the signal control elevator, the collection elects to control the elevator, the last part chooses the control elevator and so on.

电梯的种类多种多样，按控制方式来分有信号控制电梯，集选控制电梯，下集选控制电梯等。

Main research utilizes mobile network to control long-rangly publically, network data transceiver , control equipment and interface , centre computer and interface , equipment of communication network of transceiver control software ,etc.Clear up the interface signal of the data transceiver GSM engine module and control yard, it is mainly some materials that knowledge of AT order and GSM module are dispatched from the factory.

主要研究利用公共移动通信网络进行远程控制、网络数据收发器、控制设备与收发器的接口、中心计算机与通信网络的接口、设备控制软件等弄清楚数据收发器GSM引擎模块的接口信号和控制码，主要是AT指令相关的知识和GSM模块出厂的一些资料。

A lot of experiments show thatthe above algorithm is correct and control system structre based onjoint variables is feasible, offering a foundation for more accuratepositioning of double-triangle-boom.5. Analyses the control system components of rock-drilling robot.Designs an independent CAN-bus distributed control system for eachboom to avoid disadvantages of centralized control.

分析了凿岩机器人控制系统的构成及信号关系，指出了集中控制方式带来的问题，提出了基于CAN总线的凿岩机器人分布式控制系统结构，对一个臂按模块功能在总线上设计了操作台、传感器、执行器和控制器四类CAN总线智能节点，形成一个相对独立的分布式控制系统。

Has manufactured an intelligent car experimental platform, the design intelligent car automatic movement system, uses a piece to insult positive SPCE061A to take the car the examination and the control core; Uses the infrared sensor to examine the switching signal to deliver the monolithic integrated circuit to carry on the recognition, thus sends out the corresponding control command control intelligence car to follow the line travel; Used the impulse modulation the electro-optical sensor to carry on the obstacle the recognition with to evade bonds, sharpened the sensor anti- external interference ability, reduced the car power loss; The car movement by the indicating lamp demonstrated and has joined the pronunciation control function.

制作了一个智能小车的实验平台，设计的智能小车自动运行系统，采用一片凌阳SPCE061A作为小车的检测和控制核心；采用红外传感器检测到开关信号送到单片机进行识别，从而发出相应的控制指令控制智能小车循线行驶；采用脉冲调制的光电传感器进行障碍物的识别与避障，提高了传感器的抗外界干扰能力，降低了小车的功耗；小车的动作由指示灯显示并加入了语音控制功能。

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。