過程式控制制單元 的英文怎麼說
中文拼音 [guòchéngshìkòngzhìzhìdānyuán]
過程式控制制單元
英文
process control unit- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 程式 : form; pattern; formula; modality
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。Fieldbus is a kind of communication network which is a whole digitial communication multi _ embranchment data bus between intelligential field device and auto _ system. control system based on pcs ( fieldbus control system ) is a new kind of system which connect field control unit, field monitor unit, operation unit, communication interface uint with databus. lt integrates computer technology, communication technology and process cnotrol technology to adjust to demand of high standard productive control and enterprise management. lt developments and follows the advantage of traditional instrument control system and computer central control system and make up for their disadvantage so that it is applied in different industrial cnotrol area
現場總線是連接智能現場設備和自動化系統的數字式、雙向傳輸、多分支的通信網路。它是一種能支持雙向、多節點、總線式的全數字通信網路。基於現場總線技術的控制系統是一種新型的控制系統,它採用總線方式將現場控制單元、現場監視單元、操作站、通信介面單元連接起來,綜合了計算機技術、通信技術和過程式控制制技術,以適應現代高水平生產控制與企業管理的需要。From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln ; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system ; illuminated the whole course of the design and the application of simatic s7 - 300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart ; the confirmation of the control scheme in every cell ; how to workout a table of the all controlling and measuring dots in the control system ; how to set up a plc control project ; the configuration of the hardware and the network in project ; illuminated the course of how to program the plc control program in detail ; how to establish a connection between the plc and the programmer ; how to download the configuration and the program of the plc project ; the configuration of control center software simatic wincc ; the whole course and the methods of the control system debugging ; illuminated the essential in the course of the design in project and program ; illuminated the problem and its respondence maybe encountered in the project ; illuminated the superiority of the new control system in inspecting, operating and its stability ; discuss the development of the computer control system in the application of the huaxin type cement kiln
從介紹了dcs的結構、特點和分析華新型水泥窯的工藝控制特點及當今在水泥窯計算機控制系統上採用的幾種常見形式的比較出發,分析了在華新型水泥窯應用dcs的可行性;詳細介紹了系統硬體結構、網路組成及特點、所採用的軟體體系的特點及其在工業控制應用中的性能;深入詳細地說明了西門子s7 - 300可編程序控制器在華新型水泥窯控制上應用及設計的全過程:控制流程圖的繪制;單元控制方案的確定;系統控制測點表的編制; plc控制項目的建立;項目硬體及網路的組態; plc控製程序的編制過程並詳細說明了控製程序的編制思路; plc與編程器連接的建立; plc項目組態及控製程序的下載; wincc監控軟體的組態;控制系統的調試過程及方法;對設計和使用的要點及系統調試時應注意的問題進行了說明;對項目的實施后的華新型水泥窯控制系統在操作和控制上及其在系統易維護性、系統穩定性上的優勢進行了說明並討論了華新型水泥窯計算機控制系統的發展方向。Distributed control system based fieldbus is a new kind of control system, it connects ufch, ufmh, uops, ulfs by databus mode. it integrates computer technology, communication technology and process control technology, adopts multi - layers frame to adjust to demand of high standard productive control and management
基於現場總線技術的集散控制系統是一種新型的控制系統,它是採用總線方式將現場控制單元、現場監視單元、操作站、通信介面單元連接起來,綜合了計算機技術、通信技術和過程式控制制技術,採用了多層次分級的結構形式,以適應現代高水平生產控制與管理的需要。Adopting the method of top - down, the virtual memory is divided into memory mange related unit ( segment unit and page unit ) and protection mode related unit ( protection test unit, debug test unit and exception detect unit ). data buses and control bused are designed separately for all of the units. vhdl codes are written and simulated
Amex86的虛擬存儲器採用自頂向下的設計方法,把虛擬存儲器劃分為地址管理相關單元(又包括分段單元和分頁單元) 、保護模式相關單元(又包括保護測試單元、調試異常單元利異常檢測單元等) ,分別確立其數據通路和控制通路,完成了vhdl的編碼和模擬工作,通過測試程序模擬驗證了其功能的正確性並測定了基本性能。We proposed an order - oriented shop floor control model, which is based on mas and dynamic _ logical cell to overcome the weakness of the existing distributed and hierarchical form. the model is divided into three layers, namely the shop floor layer, the dynamic cell layer and the equipment layer. the tasks of shop floor layer are to receive, decompose and administrate orders
論文分析了製造系統控制結構發展演變的過程,針對分散式控制方式及傳統分層遞階控制方式的不足,提出了面向訂單的、基於多agent和動態邏輯單元的車間控制模型,該模型根據車間生產組織的特點將agent劃分為三層,即車間層、動態單元層和設備層。Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system
以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統,具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型,模型既簡單,又有足夠的工程應用精度,為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎With the development of mass media, the media controlling system itself is undergoing a period of adjustments and transformation : from a single subject ' s unified controlling structure gradually to multi - subjects " multi - layer unified system
伴隨著新聞改革由表及裡、由淺入深的發展,傳媒調控機制本身也在經歷著一個調整與轉換的過程:由單一主體的一元化控制結構逐漸向多元主體的一元多層式調控結構轉變。With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed
上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、故障報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路傳輸到上位計算機,並接收上位計算機的控制指令;現場各智能儀表單元負責各相關參數的監測和處理、控制,並將有關參數送往上位監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用profibus系列中廣泛應用於現場設備的profibus - dp總線。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。First of all, this paper introduces the process of transmission of data from satellites. cortex telemetry and telecommand is used to receive telemetry data. before receiving data, the digital modulation modes are recognized by a method of parallel judgement in order to tell cortex telemetry and telecommand unit to set the reception mode, and then by using cortex ’ s tcp / ip interface the remote reception is achieved
本文首先介紹了衛星傳輸信息的過程,然後使用cortex測控單元對遙測數據進行直接接收,在接收之前首先利用了平行判決法來實現數字調制方式的識別,以便控制cortex測控單元使用何種方式進行接收數據,實現了利用cortex測控單元的tcp / ip介面進行遠程接收。First introduces hardware platform of mine monitoring system that adopt embedded pcm - 3350 to be as main controller, big - capability memorizer cf card as memories, 10. 4 inch lcd liquid crystal screen as display, pcm - 3612 as communication extend cell ; rs232 and keyboard as i / o interface to realize data dispose, storage and transport function, and so on. then introduces some basic concept and core character about embedded operating system windows ce. at the same time, the paper has a detailed introduction about platform - configured tool platform builder of mbedded operating system windows ce and a detailed narration abut the whole process of configuring the embedded operating system base on yanhua pcm - 3350, then the paper depletes the characteristic function and system framework of embedded configuration software mcgs generally and introduces the design process about configuration software of mine monitoring - control system ; at last, the paper introduces main function of rk512 communication protocol that can ensure reliable communication with controller plc of bottom machine
首先介紹了硬體平臺的搭建:採用嵌入式pcm - 3350作為主控制器;大容量的存儲器cf卡作為存儲設備;採用10 . 4寸lcd液晶屏作為顯示設備; pcm - 3612作為通信擴展單元;用rs232和鍵盤作為i o介面來實現數據的處理、存儲和傳輸等功能;然後又介紹了嵌入式操作系統windowsce的一些基本概念、核心特性,同時對嵌入式操作系統windowsce的平臺定製工具platformbuilder做了一些介紹並詳細敘述了使用platformbuilder定製基於研華pcm - 3350的windowsce操作系統的過程;接著概括敘述了可運行在windowsce上的嵌入版組態軟體mcgs的特點、功能、體系結構並詳細介紹了礦山檢測系統的組態軟體設計過程;最後介紹了能夠與下位控制器plc可靠通訊的rk512通訊協議的主要函數。The content of the electricity transforming of the system with profibus includes the designing of signal detecting and dealing system, the developing of the major cache unit machine control, the integration of the system diagnosis and data information, and the subordinate station diagnosis function
基於profibus現場總線技術的濾棒儲存輸送系統電氣改造設計內容,主要從系統信號檢測與處理方式的改進設計、主體緩沖單元電機控制方式的改進設計、系統診斷及生產過程數據信息的集成設計和系統從站診斷功能設計等幾個方面講解。Each automatic control model has function dispersion and can deal with parameter checking, calculation, control strategy, information output and process parameters time _ control. these functions will auto _ run effectually and reliably that make control dispersion
每個模塊都實現了功能分散控制,對過程參數檢測及運算處理、控制策略的實現、控制信息的輸出以及過程參數的實時控制等都在各個模塊的過程式控制制單元中有效地、長期可靠地、無人干預地自動進行。This system has function dispersion and can deal with parameter checking, calculation, control strategy, information output and process parameters time - control. these functions will auto - run effectually and reliably that make control dispersion. fieldbus intelligential model layer in this system is made of a few intelligential models in the fields
該系統實現了功能分散控制,對過程參數檢測及運算處理、控制策略的實現、控制信息的輸出以及過程參數的實時控制等都在現場的過程式控制制單元中有效地、長期可靠地、無人干預地自動進行,從而實現控制功能的高度分散。According to the tracking principle being exploited, we make the simulation plan and flow chart, and emphasis on discussing the facts that the tracking receiver in antenna systems affects the capturing and tracking systems. the data simulation model of the tracking receiver is built up. using matlab simulation, we verify the fact, investigate the accuracy factors and finally conclude all in practice
在自動跟蹤系統中,跟蹤接收機作為核心控制單元,根據所採用的跟蹤方式的原理,制訂模擬方案,確定模擬流程,重點討論了天線系統跟蹤接收機性能對捕獲跟蹤系統的影響,研究並建立了跟蹤接收的數字模擬模型,通過matlab模擬軟體系統進行了模擬分析和驗證,研究了各種參數對系統精度的影響,得到了有實用價值的結果。The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given
最後,運用ansys通用有限元程序的beam189單元,引入初彎曲和殘余應力的影響,用考慮幾何和材料雙重非線性的有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力,通過對十幾個不同截面尺寸構件在不同長細比下的承載力計算,發現在軸力p遠大於彎矩m時,構件將是平面外失穩控制,而當軸力p遠小於彎矩m時,構件則以平面內失穩為主。Single variable statistical process control ( svspc ) and mspc are both spc, the shortage of svspc is that it only notices the value of one variable at some moment, not suiting to analyze the multivariable process data with interrelation among them
統計過程式控制制包括單變量統計方法和多元統計方法。傳統的單變量統計過程式控制制技術的局限性在於僅注意監視某一時刻的一個質量變量或關鍵過程變量,不適合分析變量間存在相關特性的多變量過程數據。With scientific and technical development, it ' s an important task to research automatic monitoring and controlling of boiler in the world. this paper describes present status of using boiler at home and abroad at first, introduces the weakness that we control the processes of production in manual mode with electric unit meter. the significance is explained to use a computer system too
內外工業鍋爐使用的現狀,介紹了在過去對工業鍋爐生產過程採用電動單元儀表組成的手動調節方式控制下的弊病,以及採用微機自動監控系統的意義,然後針對重慶嘉陵工業股份有限公司的兩臺工業沸騰爐(工業鍋爐的一種)通過分析分享友人