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programmable logic controllers中文是什么意思

  • 可編程序控制器

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  • The key points of this paper include the design of software and hardware of the system , and the realization of automatic control function . the monitoring and controlling system adopts a total distributed control system ( dcs ) constituted by a programmable logic controller ( plc ) . a computer ( pc ) and thermal power engineering signal sensors , sender , controller , etc
    本項研究中采用可編程控制器( plc )作下位機、工業(yè)控制計算機( pc )作上位機與熱工參數(shù)測量傳感器、變送器、操作控制器等組成集散型控制系統(tǒng)( dcs ) ,自動監(jiān)測三聯(lián)產(chǎn)試驗臺的各運行參數(shù),并對試驗臺實行自動控制與調(diào)節(jié)。
  • On the basis of the development of field bus in automatically control domain , consulting the characteristic of advanced foreign dredging technology , aiming at the lower automatization level of domestic dredger , this paper introduces a cutter suction dredger monitoring system based on programmable logic controller ( plc ) field network
    本文根據(jù)自動化控制領(lǐng)域中的現(xiàn)場總線技術(shù)的發(fā)展情況,結(jié)合國外先進的挖泥船技術(shù)的特點,針對目前國內(nèi)挖泥船較低的自動化水平,提出了一種基于plc現(xiàn)場網(wǎng)絡(luò)的絞吸式挖泥船監(jiān)控系統(tǒng)。
  • Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system . in order to attain the graph that pressure , position , velocity , acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method , dynamic simulation of the hydraulic system is studied in matlab 6 . 5 . it is convenient to analyse dynamic characteristics of the hydraulic syste m , beneficial to the design and parameter optimization of the hydraulic system . in the final part of the paper , under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders , control system based on the programmable logic controllers founded on technology of modern compute is designed
    由于液壓打樁錘液壓系統(tǒng)是一個復(fù)雜的非線性系統(tǒng),本文采用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態(tài)空間方程,通過四階龍格?庫塔法和預(yù)估?校正法相結(jié)合編制了仿真程序?qū)顟B(tài)空間方程求解,在matlab6 . 5中進行液壓系統(tǒng)的動態(tài)仿真,獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統(tǒng)動態(tài)特性分析,為液壓系統(tǒng)的設(shè)計和參數(shù)優(yōu)化提供了有益的借鑒。最后,在深入分析雙缸雙作用液壓打樁錘控制系統(tǒng)的功能要求后,采用了以現(xiàn)代計算機技術(shù)為基礎(chǔ)的新型工業(yè)控制裝置? plc可編程控制器,設(shè)計出了雙缸雙作用液壓打樁錘的電器控制系統(tǒng)。
  • Aiming at the problems of the k190jik rail welding machine , that the parameter modification is difficult , the welding process is not enough stability and the welding machine has no on - line diagnosis function , in this paper , the control system of the welding machine was promoted completely adopting the fx2n - 64mr programmable logic controller and the pcl - 1800 data acquisition card , the das ( data acquisition system ) was set up by using labview and visual basic software , the functions of welding voltage stabilizing and adjusting , current controlling and intellectual modification was improved , welding quality diagnosis system was built up , and the assembling and debugging of the control system was completed , including the process experiments
    本文針對k190jik鋼軌焊機控制系統(tǒng)存在參數(shù)修改困難、焊接過程不夠穩(wěn)定、無焊接質(zhì)量在線診斷功能等問題,采用日本三菱公司fx2n - 64mr可編程序控制器、研華工控pcl ? 1800數(shù)據(jù)采集卡等為核心控制部件,對焊機的整機控制系統(tǒng)進行了全面升級。運用軟件labview和vb開發(fā)了數(shù)據(jù)采集系統(tǒng),完善了焊接穩(wěn)壓、調(diào)壓、電流恒值控制與智能調(diào)節(jié)功能,利用vb建立了焊接質(zhì)量在線診斷系統(tǒng),并完成了系統(tǒng)組裝調(diào)試與工藝試驗研究工作。
  • The monitoring and controlling system adopts a total distributed control system ( dcs ) constituted by a programmable logic controller ( plc ) , a computer ( pc ) and thermal power engineering signal sensors , sender , controller , etc . plc is used to collect data and perform automatic control mostly , while pc is adopted to monitor the operation process , analyze , display and store data
    本項研究中采用可編程控制器( plc )作下位機、工業(yè)控制計算機( pc )作上位機與熱工參數(shù)測量傳感器、變送器、操作控制器等組成集散型控制系統(tǒng)( dcs ) ,上位機和下位機自動監(jiān)測垃圾焚燒鍋爐的各運行參數(shù),并對異重循環(huán)流化床垃圾焚燒鍋爐實行自動控制與調(diào)節(jié)。
  • A n lh control system structure , based on high speed ethernet , field bus , programmable logic controllers and general purpose pcs , is proposed . after analyses of the key control elements - temperature and composition , the thesis gives detailed design of the main system control functionalities : electrode control system , alloy material adding control system and operation monitoring system
    在此基礎(chǔ)上,提出了基于工業(yè)高速以太網(wǎng)、現(xiàn)場總線、可編程邏輯控制器、通用工業(yè)pc的系統(tǒng)結(jié)構(gòu)方案。分析了lf爐的關(guān)鍵要素? ?溫度控制和成份調(diào)節(jié),對電極控制系統(tǒng)、合金加料系統(tǒng)及操作監(jiān)控系統(tǒng)等主要控制系統(tǒng)功能進行了詳細設(shè)計。
  • Abstract : this article retrospects the development of sequence control system in thermal power plants at home and abroad , especially introduces the three developmental stages of sequence control system in china over the past 35 years , i . e . : 1 . starting stage ; 2 . the second stage with programmable logic controller ( plc ) as core hardwares ; and 3 . the third stage with sequence control systems of main and auxiliary equipment incorporated into the distributed control system ( dcs ) and with field bus control system ( fcs ) got involved . this article also appraises the features of sequence control system composed of different configurations and looks forward to the developmental tendency of this system for the next century
    文摘:回顧國內(nèi)、外火電廠順序控制系統(tǒng)的發(fā)展,特別介紹35a來我國順序控制系統(tǒng)經(jīng)歷的起步階段、以程序控制器( plc )為核心硬件的中期階段和主、輔機順序控制系統(tǒng)融入分散控制系統(tǒng)( dcs )階段、現(xiàn)場總線控制系統(tǒng)( fcs )介入階段,并對由不同形式組成的順序控制系統(tǒng)的特點進行評價,展望下一世紀該系統(tǒng)的發(fā)展趨勢。
  • The forerunner of teco sa was taian electric , which was founded in march 1969 and merged with teco in oct 2003 . ever since its establishment , sa never stops making contribution towards the industrial automation technology . sas products include ac dc motor controls , molded - case circuit breakers , high low voltage electric material , engines , generators , switchgears , ac dc frequency inverters , programmable logic controllers and servo controllers
    電控事業(yè)部的前身為臺安電機,自1969年3月創(chuàng)立至2003年10月與東元合并迄今,一直秉持著穩(wěn)健踏實的態(tài)度,以電磁開關(guān)無熔線斷路器高中低壓配電器材引擎發(fā)電機組配電盤變頻器可程式控制器及伺服控制器等產(chǎn)品,為工業(yè)發(fā)展奉獻心力,滿足最基礎(chǔ)的用電安全,并提供整體性的自動化服務(wù),符合節(jié)約能源的世界性潮流。
  • Abstract : this paper introduces the unavoidable disadvantages of the the marine cargo crane ' s relay - contactor control system and the utilizing of the programmable logic controller ( plc ) and frequency conversion control technology for the marine cargo crane , and describes the main features of the marine cargo crane ' s frequency conversion control system with programmable logic controller such as energy economization and reliable protection
    文摘:介紹了傳統(tǒng)的船用起貨機繼電器?接觸器控制系統(tǒng)及其存在的問題和可編程控器及交流變頻控制技術(shù)在船用起貨機上的應(yīng)用,描述船用起貨機plc變頻控制系統(tǒng)的主要特性,如節(jié)能和可靠性保護。
  • During the designing of the electricity control system , the thesis used the mode that made up of monitor system and control system , formatted a network that is combined by far concentrates control system and nearly control system . the monitor system chooses the functional monitoring software - the king monitor and the man - machine interface , which operated conveniently . and the control system chooses dependably programmable logic controller and advance profibus fieldbus to completely control the spot equipments . author hopes the thesis ' s researches can do a little for the development of the water power control technique , and the combination of the hydraulic technique and the advanced technique , author also hoping heartily the control technique of the our country develop quickly
    上位機選用功能強大的工控組態(tài)軟件? ?組態(tài)王和操作方便靈活的觸摸屏。下位機則采用可靠性高的可編程控制器和先進的profibus現(xiàn)場總線完成對現(xiàn)場設(shè)備的控制。作者希望通過該課題的研究,能夠?qū)λ娦袠I(yè)控制技術(shù)的發(fā)展,對液壓技術(shù)與當今先進技術(shù)更好的相結(jié)合,起到一定的促進作用,也衷心地希望我國的控制技術(shù)取得飛速的發(fā)展。
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