查询词典 automatic control system

Mainly has carried on to the electric control system's improvement, in the beforehand black-white control system product's foundation, has used the industrial control special purpose computer -- programmable controller control system.

主要进行了对电气控制系统的改进，在以前继电器控制系统产品的基础上，采用了工业控制专用计算机——可编程控制器控制系统。

The stationary control system which core function is interlock logic control is a significant part of the train operation control system. The switch, route and train control are disposed and the train operating safe are protected by the interlocking system.

地面运行控制系统是中低速磁浮列车运行控制系统的重要组成部分，联锁是地面控制运行系统的核心功能，实现对管辖区域内进路、道岔、列车的逻辑控制，保障列车的安全运行。

In this paper, can be Phassus Siemens S7-200 controller on the three-speed winch control circuit modification, the analysis of the exchange of three-speed winch control system based on functional requirements, described the landing on Siemens PLC control system software design, given the external wiring diagram of PLC, control system provides a ladder and procedures, and simulation.

本文采用西门子可蝙程序控制器S7-200对三速起货机控制线路进行改造，在分析交流三速起货机控制系统的功能要求基础上，阐述了基于西门子PLC的起货机控制系统软件设计方案，给出了PLC的外部接线图，提供了控制系统梯形图和程序，并进行仿真验证。

In addition to the installation of concrete pump truck on the electrical control system to complete control tasks, but also installed a manual control system manipulation, it is also part of the control system.

混凝土泵车上除了安装电气控制系统以完成控制任务之外，还安装有手动控制操纵系统，它也是控制系统的一部分。

Through the computer simulation, the dynamic characteristics of gas turbine, HRSG and steam turbine under the disturbances of the load and inlet working substance parameters of HRSG were studied, and after studying the parameters and the control rule of HRSG water level control system, the parameters of the control system were predicted, and at last characteristics of the system with water level control were analyzed.

通过计算机仿真，研究了燃气轮机、余热锅炉和汽轮机在负载和余热锅炉进口工质参数扰动下的动态特性；对余热锅炉水位控制系统的参数和控制规律进行了研究，确定了控制系统的参数，并分析了系统在加入水位控制后的动态响应特性。

It's time and fail coal belt control system use FX2N series PLC of Mitsubishi Company as core of controlling, Whole system adopt a PLC control 12 belt machines, the whole control system sets up a control room..

该系统用三菱公司的FX2N系列PLC作为控制核心，整个系统采用了一台PLC控制12台皮带机，整个控制系统设一个控制室。

To achieve high-performance PMSM position servo system, advanced control scheme, which is static precision, transient responses and self-adaptation and anti-disturbances, is needed in practice. Based on the analysis on the features and control principles of PMSM, this thesis established its math model using id=0 vector control method. Three close loops control system, which includes current loop, velocity loop and position loop, was built up. For position loop, the main feedback loop, we chose a new adapted-fuzzy CMAC intelligent controller, which includes self-learn ability of neural net and quick response merit of fuzzy controller. Finally, the author simulates PMSM position servo system by the simulink of matlab, an advanced computer simulation tool.

本文对PMSM的控制机理和特性作了较为深入的分析；建立了PMSM的数学模型，并采用了id=0的矢量控制策略；对控制系统组成及控制方式作了分析和比较，在此基础上建立了电流环、速度环和位置环的三闭环控制系统，对作为反馈主回路的位置环采用了模糊CMAC神经网络控制方法，该方法兼具模糊控制器的快速性和神经网络的自学习能力；构建了针对PMSM位置伺服系统的模糊CMAC控制器结构及其相应的算法；利用先进的计算机仿真工具（Matlab下的Simulink）对所提出的控制策略进行了数字仿真和分析；仿真和实验结果表明本文所提出的控制策略对PMSM位置伺服系统进行控制具有良好的鲁棒性能和快速性。

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。

The core issue of nutrient control was focused and the dynamic studies on phosphorus pollution of the whole watershed were conduced: 1 to highlight the non-point source pollution control, which is the difficulties research subject of water resource protection; 2 to perfect the calculation method for phosphate input and output, providing important basis on decision making for nutrient control; 3 to establish database and water quality model, to predict the water quality response after different phosphorus control schemes realized; 4 to determine admissible phosphorus loading and control standard according to the quantitative relationship between the external force function (mainly the exotic nutrient salt concentration or loading) and internal nutrient state response, and to work out the effective and practical techniques for eutrophication control.

围绕营养盐控制的核心问题，进行全流域范围磷污染的动态研究：1）突出了目前我国水资源保护研究难点—非点源污染控制；2）完善了流域水库磷盐收支计算方法，为流域营养盐控制决策提供了重要依据；3）建立数据库和水质模型，预测了在实施不同磷削减控制方案后流域供水水质的响应情况；4）根据湖泊外力函数（主要是外来营养盐浓度或负荷）与湖库内营养状态响应间的定量关系，确定了磷允许负荷量及控制标准，提出了有效的富营养化控制实用技术。

For the aim of saving energy and optimizing control of chilled systems, the performance of VWV systems and characteristics of control systems were analyzed based on the simulation. According to the characteristic of the monitored parameters and controlled variables in VWV systems, three online optimal control strategies were proposed and validated:(1) Optimal strategy for on/off control of chillers according to the ratio of secondary flow rate to primary flow rate.(2) Optimal strategy for the control of secondary pump according to value positions of auto-controlled AHU vales. And (3) Optimal strategy for supply chilled water temperature control of chillers according to valve positions of auto-controlled AHU valves and working status of secondary pump.

为达到节能和优化系统控制的目的，在楼宇空调水系统及其局部控制仿真分析的基础上，针对变流量系统监测点和可调参数较多的特点，提出并验证了3个实时优化控制方案：根据初级和二级冷谋水流量的比率，实时优化多台冷水机组的启／停控制；利用AHU自动控制水阀的阀位信息，实时优化二级水泵的控制；利用AHU自动控制水阀的阀位信息以及二级泵的工作状况，实时优化冷水机组出水温度的控制。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044