系统控制接口

In Chapter 4, on the basis of the selected CPU chips, the hardware frame of the embroidery machine control system is determined according to the overall framework. The power circuit, reset circuit, memory interface circuit, keyboard and display circuit, USB interface circuit, serial communication interface circuit and nether electromechanical interface circuit are designed in particular.

第四章根据总体架构，在选好的CPU芯片的基础上确定了绣花机控制系统的硬件框架，详细设计了电源电路、复位电路、存储器接口电路、键盘与显示电路、USB接口电路、串行通信接口电路和下层机电接口电路。

The MCP functions as the main interface to the distributed equipment areas such as membrane cells and Motor Control Centers.

主控制面板的功能是作为分配系统区域的主要接口，例如膜芯和电机控制中心的接口。

In the information era, there are many multimedia equipments in market, people can not use most of them freely. As a cost-effective system, SVS comes to undertake this role by providing professional large-screen display system and intelligent control system in overall. SVS insist to designing and producing large screen system, covering the products that based on projection technology, such as projector, projection TV, plasma, LCD TV, projection screen, video booth, Whiteboard, writing screen, big-screen mosaic system, matrix interface, video conferencing, central control system and other related accessories.Relying on a high level ideal of "creation and practical", with high-quality technology, market development and service team, SVS is in a fast lane of development. Since was built in 2003, has SVS achieved widespread attention and recognition in field, and established a good relationship with IT media, supporting manufacturers and industry research institutions, always thinking customers' demand and provide specific programs by Symposium, three-dimensional-type promotion, performance monitoring and analysis.

信息化时代，多媒体设备层出不穷，让人措手不及，无法真正去灵活运用，搭配出最佳适合用户需求的高性价比系统，SVS勇于承担这个角色，专业成就大屏幕显示系统与智能化控制系统整体方案设计及制造，SVS自始至终以大屏幕为主线，涵盖了以投影技术为基础或依托所开发、搭配或衍生的产品，包括投影机、背投电视、等离子、液晶电视、投影屏幕、视频展台、电子白板、书写屏、大屏幕拼接系统、矩阵接口、视频会议、中央控制系统及其他相关配件或零组件，公司依托一支具备"作风严禁、勇于创新、讲求实效"的高层次、高素质的技术开发、市场开拓及服务人才队伍，SVS正在惊人地快速发展，自创建以来，已经在业内取得了广泛的关注与认同，与IT媒体、配套生产商以及行业研究机构建立了良好的合作关系，始终以客户的需求为中心，帮助客户提供专项设计方案，专题讨论，立体式推广，效果监测和用户分析等各种服务，最大限度地方便客户，为客户提供解决方案，不断满足客户多样化、个性化、复合化的需要，帮助客户以最少的成本获取最大的收益。

Ccording to the application research of expert system in production process of soaking pit s, this paper answers how to build the rules, facts and the processor of expert system, how to run the expert system and how to design the interface.

通过对专家系统在均热炉群生产过程中的应用研究，探讨了在线专家系统建立的规则、事实、推理机的构成，运行方式及接口设计的实现；阐述了利用能表达知识的规则进行均热炉加热方法控制和配合轧机工作规律的出钢顺序控制的方法，并与控制系统相配合，达到科学管理整个均热炉生产的目的。

In this paper, the CPLD/FPGA development system is presented. It demonstrates the interface circuit of FPGA and different ways to configurate FPGA.

中文摘要：本文阐述了CPLD／FPGA开发系统的设计，介绍了FPGA的外围接口电路及用多种方式对FPGA进行配置的电路，采用VHDL语言设计控制电路配置到CPLD中进行接口模块的控制。

In this paper a new contingency screening and ranking method is formed by combiningiterative filtering screening technology with continuation power flow analysis. Researchingpreventive control policy in reactive power compensation and load control when themargin of stability is serious, and reciprocal math model is given;through the exempleof IEEE39 typical system , the availability of the discussed methods in this dissertationwas approved. Aimed at the real grid, the contingency screening analysis and preventivecontrol policy based on Beijing power grid is discussed;the static voltage stabilityanalysis software based on figure draw of Beijing grid is realized, and the software hasthe junction to BPA .

论文提出了将迭代过滤筛选技术和连续潮流法相结合的事故筛选分析方法；从无功补偿控制和负荷控制两方面研究了系统裕度紧张时的预防控制策略，给出了相应的数学模型；采用IEEE39节点的标准系统算例，验证了本文提出的静态电压稳定事故筛选分析方法的可行性；针对实际电网讨论了基于北京电网的事故筛选分析和预防控制策略；通过与BPA接口实现了基于北京电网图形平台的静态电压稳定分析软件。

The paper introduces the studies and the development of an intellective soilless culture system on mixing and irrigating. The system is closed-circuited and its main controlling parameters are consistence value and acidity value of the nutrient liquid.

本论文研究内容是智能温室营养液配液及供液控制系统的研究与开发，该控制系统是以养液浓度和酸度为主要调控参数的闭环控制系统，主要包括开关量输入/输出电路、模拟量输入电路、液晶电路、键盘显示接口电路、设备驱动电路和执行机构等。

Considering many control qualities,such as,the control reliability and accuracy,the level automation ,etc,the whole control system is constituted as following :CRT interface of man-machine conversation,keyboard,PLC control system,motor driving machine,protection board,and relative control circuit.

考虑到熔缩技术要求控制系统高度自动化和可靠性，整个控制系统采用人机接口CRT；键盘，PLC-P8控制系统，电机驱动器，保护板及相应的控制电路。

Distributed control system based fieldbus is a new kind of control system, it connects UFCH, UFMH, UOPS, ULFS by databus mode. It integrates computer technology, communication technology and process control technology, adopts multi-layers frame to adjust to demand of high standard productive control and management.

基于现场总线技术的集散控制系统是一种新型的控制系统，它是采用总线方式将现场控制单元、现场监视单元、操作站、通信接口单元连接起来，综合了计算机技术、通信技术和过程控制技术，采用了多层次分级的结构形式，以适应现代高水平生产控制与管理的需要。

Distributed control system based fieldbus is a new kind of controlsystem, it connects UFCH, UFMH, UOPS, ULFS by databus mode. Itintegrates computer technology, communication technology and processcontrol technology, adopts multi-layers frame to adjust to demand of highstandard productive control and management.

基于现场总线技术的集散控制系统是一种新型的控制系统，它是采用总线方式将现场控制单元、现场监视单元、操作站、通信接口单元连接起来，综合了计算机技术、通信技术和过程控制技术，采用了多层次分级的结构形式，以适应现代高水平生产控制与管理的需要。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。