At first , i give the summarization of the concept , history and background , developed status , characteristic and merit of build automation control system . furthermore , several kinds of important protocol are introduced and the perspective of technology is brought out 文章首先对楼宇自控系统的概念、历史背景、发展现状、特点和优点进行了概述,另外介绍了有影响力的几种现场总线,并对楼宇自控系统的发展进行了展望。
With the development of electronic and informational techniques , sound and images techniques , communication techniques , etc . , the automation level of buildings is also developed . concentrated and integrated automation control systems are formed from distributed and separated one 随着电子信息技术的发展,声音、图像、数据通信得到迅速发展,建筑物中设备的自动化程度不断提高,正从分散的、个别的控制,发展为集中的综合自动控制。
As the rapid progress of network and information technology , it has led the automation control system to interconnected , full - opend and all - distributed . these idea leads the appearance of internet , intranet and infranet , which can interconnected to realize truly distributed and long - distance control 它将网络化、信息化的概念引入到控制领域,通过它可以构建完整的控制网络,并进而接入企业内部的信息网络,最终可以接入公众信息网。
In environment protection and wastewater treatment profession , ortho provided entire factory automation control systems , water treatment instruments and devices , television supervisory systems and the comprehensive wiring facilities for may wastewater plants whose the capacity is above 1 , 000 , 000 tons of sewage per day 在环保水处理行业,昊图公司为多个10万吨以上污水处理厂提供了全厂自动化控制系统,水处理仪器和仪表,电视监控系统和综合布线设施。
Design idea and knowledge constitute of a multi substations reactive power / voltage coordination control expert system which make use of results of single substation reactive power / voltage control neural networks are presented . at end of the paper a region real time reactive power / voltage concentrate automation control system is introduced 然后研究了利用单变电站电压无功控制神经网络的输出结果,实现分区分层的多变电所电压无功的协调控制的专家系统的设计思想、知识工程的构成。
Developing instrument industry chidz has formed intellectual instruments industry , which focus on home application intelligent instruments ( water , electricity , steam and heat ) , different kinds of flow meters ( liquid meters ) , weighing apparatus , automation control system and nonmetallic material examination instrumentation , depending on several scienic and technological small and medium - sized enterprises 依托十几家科技型中小企业,初步形成了以民用智能化仪表(水、电、气、热) 、流量计(液位计) 、衡器、自动化控制系统和非金属材料检验检测仪器为主导产品的智能化仪器仪表产业。
Aiming at the weakness of electric - automation control system in combination reaction product line of chemical industry , this paper detailedly introductes how to reconstruct the former system successfully by applying the advanced plc , inverter , fieldbus and hmi , how to get to higher demand of producing technics and how to acquire better technique and economic benefit 摘要针对化工化合生产线电气自动化控制系统的缺点,详细介绍了运用先进的plc 、变频器、现场总线及hmi (人机界面)技术,对老系统进行成功的改造,达到了较高的生产工艺要求,并取得了良好的技术、经济效益。
Wide plus al series intelligent static liquid level transmitter is universal intelligent series transmitter , that introduced advanced production technology from america and japan in the 1990s , adopts the worlding technology pass through strict quality control . this kind of transmitter is searched and developed independently by our company . that is pressure detect transmit unit in the industrial automation control system Wideplus - al系列智能静压液位变送器是引进美国和日本的先进生产工艺,采用九十年代世界领先技术,经过严格的品质管理,由我公司自行研制和开发的通用智能型系列变送器,是工业自动化控制系统的压力检测变送单元。
In this paper , after analyzing the actuality of civil industrial automation control system and researching the hiberarchy and transport protocols of the metrical control network based on fieldbus in detail , we designed a universal metrical control platform suitable for small - scale real - time applications which require high reliability based on can bus 本文详细分析了我国工业自动化控制的现状和现场总线的发展情况,在针对以现场总线为底层的测控网络系统的层次结构与传输协议进行了详细研究后,提出了一种基于can总线,适合于小规模、高实时性、高可靠性要求应用环境的通用测控平台,并完成了通用测控平台的总体设计。
Experiments and training can be carried out for the benefit of students on this system in the areas of signal measurement , signal transmission , data display , alarm display , modification of parameters , locking and awakening of alarm , extension alarm and simulation tests etc . , which will improve the ability of students in the maintenance and management of modern ship - board automation control system ; 4 有利于对学员进行信号测量、信号传递、数据显示、报警显示、参数修改、报警闭锁与唤醒、延伸报警以及模拟实验等各方面的实验和训练,提高学员对现代化船舶自动化控制系统的维护和管理能力。