自动控制

Power integrated circuit is one of the most important branches of integrated circuit, including power transistor and control circuit and output drive.

功率集成电路是集成电路的重要分支，至少包含一个半导体功率器件和一个独立功能电路的单片集成电路，其在电力电子、自动控制、家电通信、汽车电子等领域扮演着一个重要的角色。

Many technologies are used to the system, such as the lineate data transmission, the computer network, database, communications, autocontrol and data middleware. By these technology Colliery is joined with superior management department so that the department could acquire the safety information of presidial colliery intuitively and fleetly and real-time monitoring to great dangerous source. According to the information management department could find and obviate great accident hidden trouble and make dynamic tracking. Potent bearing of real-time data monitoring is afforded by the system for farther managing and decision-making.

煤矿瓦斯远程实时监控系统综合运用了有线数据传输技术、计算机网络技术、数据库技术、通信技术、自动控制技术以及数据中间件等技术，建立了煤矿和上级各管理部门的连接，使上级管理部门能够直观、快速地了解下属的煤矿安全信息，对煤矿重大危险源进行实时监测，实时发现重大事故隐患，进行及时隐患排查和动态跟踪，为进一步进行管理、决策做出了有力的实时数据监控支持。

The features of electrical control and automation system of clipping press es are described in the article,including electrical device selection,electrical circuit design,C200H series PLCs and GP477 touch screen.

介绍切边压力机的电气自动控制的特点，包括电气设备选型、电气回路设计要点、C200H系列可编程序控制器和GP477触摸屏。

On the basis of analyzing in quo of the waterworks in our country, this designs a suit of constant pressure water supply automatic system paper by using variable frequency speed-regulating technology based on PLC.

本论文结合我国中小城市多层住宅小区的用水现状，设计了一套基于PLC的变频调速恒压自动控制供水系统。

In addition, our company enjoys very high reputation at home and abroad in proficiently using automatic control technology..

尤其，本公司在运用自动控制技术方面非常成熟，且在国内外享有盛誉，并充分得到国内外同行的认可和用户的好评。

This paper introduces the method of communication between PLC and drives base on PROFIBUS, by net configure, parameter set and program the system achieved data transmit and auto control.

摘要 本文介绍了以PROFIBUS现场总线为基础，通过网络配置、参数设定、软件编程来实现西门子PLC和其传动变频器之间的数据传送的通讯技术，完成传动装置的自动控制。

Thermal comfort and indoor air quality requirements are presented; the contents cover the following topics:(1) Concept of air-conditioning,(2) Thermal principle,(3) Psychrometry and wetted-surface heat transfer,(4) Heating and cooling-load calculations,(5) Air-conditioning systems,(6) Fan and duct system,(7) Pumps and piping,(8) Cooling and dehumidifying coils,(9) Air-conditioning controls,(10) Absorption refrigeration,(11) Heat pump,(12) Cooling towers and evaporative condensers.

课程大纲本课程将介绍空调工程与系统设计，藉由湿空气线图讨论空气调节之过程，分析人体舒适与空气品质之需求，及各种空调设备系统之设计，内容涵盖如下：(1)空调的概念(2)热原理(3)湿空气与湿表面热传(4)加热与冷却负荷估算(5)空调系统(6)风扇与风管系统(7)泵与管路配置(8)冷却与除湿盘管(9)空调自动控制(10)吸收式冷冻系统(11)热泵(12)冷却水塔与蒸发式冷却。

To develop a practical, efficient method to measure and objectively evaluate surface pucker is significance, which will contribute to automatic detection and auto-control during producing.

开发一套适用的、高效的表面皱褶的检测系统，将会对科研、生产等的自动化检测及自动控制过程打下坚实的基础。

An automation control system for central pump room underground based on PLC was introduced in this paper.

介绍了一种基于PLC的煤矿井下中央泵房自动控制系统的设计思路，给出了该系统的硬件框图和软件流程图。

This paper present main part of the hardware and sofeware design of the Development of Automation System for Pumping Station.

本论文介绍了加压泵站自动控制系统软件硬件设计的主要内容。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。