自动控制

An automatic control system in which various control units are linked in sequence, each control

各个控制单元按顺序连接的自动控制系统，每个单元控制下个单元的操作。

Aiming at the problems existing in production process of intermittent stills,e.g.,poor level in automation,intensive labor of workers,control accuracy,and insufficient production efficiency,an intelligent automatic control system based on Siemens PCS7 is proposed.

针对间歇反应釜生产过程中存在的自动化控制水平相对落后、工人劳动强度大、控制精度低、主产率不理想等问题，提出了基于西门子PCS7的智能化自动控制系统。

According to a survey of HDD development and its current situation at home, a new kind of equipment for hydrodynamic deep drawing has been developed, which was constructed on the basis of a conventional single-action press with general hydrodynamic deep drawing die sets.

在对充液拉深技术的发展和国内具体情况调查的基础上，研制了基于通用单动液压机的通用充液拉深模架型式的充液拉深装备，整个装备由模架、液压控制系统和计算机自动控制系统等三部分组成，实现了充液拉深成形过程的液室压力和压边力的实时控制。

First,the paper introduce the automation summarizer of marine boiler and the basic principle of PLC(SIEMENS PLC S7-200 of Germany). Following, the paper introduce a typical boiler system of shipping. On this base, the paper pay more attention to making control programme of S7-200 for oil auxiliary boiler.

文章首先介绍了船舶辅助锅炉自动控制的总体概述和可编程控制器（德国西门子可编程控制器S7-200）的基本工作原理，详细介绍了船舶燃油辅助锅炉的典型系统，在此基础上，着重对采用S7-200控制的燃油辅助锅炉进行了PLC编程，其中对蒸汽压力采用多位控制。

It can fulfill automatic control on swash plate of

它通过对发动机转速信号、大气总温信号的处理，解算出斜板的理论位置，与斜板的位置传感器信号进行比较，其差值作为控制信号经放大后控制电液伺服阀带动作动筒，使斜板向减小差值的方向运动，从而实现对飞机进气道斜板的自动控制。在这一系统中

It can flexibly deal with the problems of universe of discourse and quantization of different variables; thus overcome the shortcoming of simple fuzzy control that it can not meet both the requirement of dynamic and static performance.

将分层模糊控制理论引入渠系自动控制，针对渠道运行控制特点，设计分层模糊控制器，它能灵活处理控制器输入、输出变量的论域及其量化问题，从而克服简单模糊控制器不能同时兼顾系统动静态性能的缺点。

The technology of Relay control, computer control andcommunication control are integrated to PLC and it is designed to industrialcontrol. Since PLC has many advantages such as good usableness, goodpracticability, complete hardware, easy to program, etc, it has already usedwidely in all kinds of automation control.

它将传统的继电器控制技术、计算机技术和通讯技术融为一体，专门为工业控制而设计，因其具有通用性好、实用性强、硬件配套齐全、编程方法简单易学等优点，而被广泛地应用于各种工业自动控制中。

The test result indicated that the new PLC plat vulcanization machine with fuzzy temperature control system can effectively vulcanize SBS, polypropylene and maleic rubber. Furthermore, It overcame the disadvantage of hard operation operate and realized the intelligent and automated control.

调试和运行结果表明本文提出基于模糊控制策略平板硫化机PLC温度控制系统适应于SBS、聚丙烯和顺丁橡胶三大产品的生产，并实现对整个生产过程的智能集成自动控制，摆脱目前硫化生产对操作工人经验的完全依赖，提高操作的自动化程度且保证分析工艺的稳定性。

Adopt AT89S51 MCU as the main part to realize the automatic control of the object motion locus in this design, system using multiturn potentiometer to measure the position of object, and introduces local closed-loop feedback control system link to correct error, in that case system can improve the accuracy of control and orientation.

设计采用AT89S51单片机作为核心器件实现对物体运动轨迹的自动控制，通过多圈电位器实现对悬挂物位置的精确测量，并引入局部闭环反馈控制环节对误差进行修正。以达到对物体的控制和对坐标点的准确定位。

Pass and export the passway in the form of information, send out and control the order in time , control the opening and stopping of the press, operation and conversion , Stone of valve of air blower movement, in order to realize automatic control in central air conditioner is it go on the regulation of the air to the air conditioner room to come.

以信息的形式通过输出通道，及时发出控制命令，控制压机的启停，风机的运行和四通阀的转换等动作，以实现对中央空调的自动控制来对空调房间进行空气调节。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。