自动控制系统

Based on the analysis, a new AFC system based on self-optimizing control is proposed with the experience of experts.

本文中简要分析锁相型自动频率控制系统的基本原理及其在实际应用当中遇到的问题，进而提出了一种新型的基于反射波极小值的AFC系统，并对其原理进行了深入的剖析。

The structure of the system and the design of the all-weather control were introduced.

该文介绍了噪声在线自动监测系统结构，及系统全天候控制的设计。

In the singlechip-dominated autodial remote-control system,once there is an emergency,the system can dial the number that is setup before hand automatically in order to give alarm or inform the staff concerned.

在自动拨号远程控制系统中，信号音的识别非常重要，判断正确可以为系统正常运行提供保证；如判断的错误不仅达不到正常的工作状态，而且还会误传信息，造成不必要的损失。

Constant pressure water supply is a very important link in automatic monitoring system of water works. Because of the uncertainty of using water, the system is quite time-variant, non-linear, time-delay.

恒压供水压力控制系统是水厂自动监控系统中一个非常重要的环节，由于用户用水量的不确定性，因此它具有较大的时变性、非线性和时滞性。

This paper described a microcomputer controlled pre-feed water ball-shaped system .

采用STD总线工控机实现了预加水成球系统微机自动控制，介绍了系统的软件和硬件设计。

This text to 1 kind from calculator automatically control and carry on the electronics dollar that the data collect a spare part a total quantity Fu to shine on the spot test system to carry on pulling a description, and pass application that system to the CMOS numerical electric circuit CC4069 carry on with total the amount of synchronous electricity parameter's on-line diagraph, and radiate a quickly collect of the countermarch fire data, study pull CMOS numerical electric circuit a total quantity Fu shine on on-line Fu to shine on to respond to characteristic and Fu to shine on behind fast time back a fire effect.

本文对一种由计算机自动控制并进行数据采集的电子元器件总剂量辐照现场测试系统进行拉描述，并通过应用该系统对CMOS数字电路CC4069进行与总剂量同步的电参数在线测量，以及辐射后退火数据的快速采集，研究拉CMOS数字电路总剂量辐照在线辐照响应特性和辐照后快速时间退火效应。

This paper introduced a method of automatic control system design which decontaminate sewage carried with Oxidized iron impurity ,control system based on PLC type of S7-200 belong to Siemens company.

本文介绍了利用西门子公司的S7-200型PLC，来实现污水净化处理系统的自动控制，本文详细介绍了系统的硬件配置以及软件设计流程图，并且介绍了编程中的关键问题。

In oilfield, feeder line of 6KV often has many branches .The pole high voltage automotive capacitor compensation system controlled by single chip computer is designed for this situation .

文章以油田6KV输配电线路为例，针对多分支树状结构线路的特点，研制出由单片机系统控制的户外术上型高压电容器自动补偿系统。

Based on the requirements for control system of shadow mask cleaning machine, this article presents an automatic control system which is composed of C200H programmable controller, Fuji frequency converter made in Japan, OMRON-E5AX temperature regulator, ultrasonic generator , electrostatic precipitator, etc.

针对荫罩清洗机控制系统的要求，介绍了采用 C200H 型可编程序控制器、日本富士变频器、OMRO N－ E5A X温度控制器、超声波发生器、静电除尘等装置组成的适用于实现生产线的自动控制系

A piece of permanent magnetic steel is fixed on the electric contact signaling needle of the electric contact device, so as to reinforce the magnetism of the contactor and speed up the contact action.

同时指针带动电接点装置的活动触点与设定指针上的触头相接触的瞬时，致使控制系统接通或断开电路，以达到自动控制和发信报警的目的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐