控制變數 的英文怎麼說

中文拼音 [kòngzhìbiànshǔ]
控制變數 英文
control variable
  • : 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...
  • : 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...
  • : 數副詞(屢次) frequently; repeatedly
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Engine load simulated control system was consisted of two unattached parts of work resistance simulated control subsystem and electric bow wave dynamometer control subsystem. with the mathematic models of engine load simulation controller, which transferred the work resistance ' s change to engine load change immediately, the system can met the need of the simulation control system

    發動機負荷模擬加載系統包括彼此獨立的作業阻力模擬子系統和電渦流測功機子系統兩部分,應用發動機負荷模擬學模型,使作業阻力的化及時轉換為發動機負荷的化,能夠滿足模擬系統的要求。
  2. Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

    前置據採集模塊完成16路溫度信號的採集和通訊;速度測量模塊與速度模塊通過頻器來調節迴流焊的傳輸速度;開關量輸出模塊通過固態繼電器對加熱管進行;上位機軟體採用delphi編程,實現了pid參自整定以及無超調的溫度
  3. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比,汽車空調的工作環境惡劣,條件差,難度要增加很多,主要體現在以下幾個方面:一是車外熱負荷化大,難以確定;二是要求空調負荷大,而且要空調使其降溫迅速:三,不便於用電力作為動力源,必須用汽車發動機或輔助發動機來帶動壓縮機,當採用汽車發動機作為動力源時,由於汽車的車速化大,發動機轉速的化可從600r min到4000r min ,壓縮機轉速與發動機轉速成正比,其轉速化高達7倍,給空調系統製冷劑流量帶來困難。
  4. The dcs of i / a series is regarded as main reference object, and the control is separated from model. and the configuration of control is operatised at administration system, not to be added into model, not to build control sound code also. therefore it realizes on - line adjusting, real - time control and so on. users configurate by filling table. they only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, so personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the system, not need to know the programs deeply. so the configuration software offer a flat that control engineers can attend to control loop, not to give their attention to the complicated program

    在本課題中,採用填表的方式進行組態,用戶只需定義i / o條件、填寫具體的運算量名即可。本軟體為建模人員提供了一個友好的用戶界面,使建模人員在建模時不必對模塊內部的、邏輯程序有很深的了解就可以方便的對其進行編寫和修改,實時改各邏輯和量在據庫里的值,參與運行和調試,從而實現對系統的。因此,本組態軟體提供的這樣一個平臺,讓工程師能集中精力于迴路的構成,而不必拘泥於一些具體而煩瑣的程序操作。
  5. This thesis make a study on vector - contorl wvf system of asynchronous motor. in the course of study, making use of the mathematical model of asynchomous motor in mt axes. then both open - loop control system and close - loop vector - control system are respectively simulated with simulation block simulink in matlab

    本文對異步電動機頻調速系統進行了研究,利用異步電動機在二相同步旋轉mt坐標系下的學模型,使用matlab中的模擬工具箱simulink分別對開環系統和閉環矢量頻調速系統進行了模擬。
  6. Step - nc ( iso14649 ) expends step into the area of cnc and renews the data interface between cax and cnc, which helps cnc system to use data models of products in three dimensions according with step directly in order to output nc programs then control machines directly, eliminate choke points of the information stream between cax, such as cad, capp, cam, cae, ped, erp and so on, connect the design product information and manufacturing product information on the base of step in the form of object - orientation, and change the traditional movement and switch control - orientation numerical programs into object - orientation programs

    Step - nc ( iso14649 )將step擴展至cnc領域,重新規定了cax與cnc之間的介面,其目的是: cnc系統能夠直接使用符合step標準的cad三維產品據模型,直接產生加工程序來機床;在step的基礎上以面向對象的形式將產品的設計信息與製造信息聯系起來,消除cax (如cad 、 capp 、 cam 、 cae 、 ped 、 erp等)與系統之間信息流瓶頸;將傳統的面向運動和開關程序改為直接面向加工對象的程序。
  7. On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator

    在此基礎上,選擇a為量,構造延遲反饋器g : g ( s glrrms ( s )一rms ( s ) ( 2 )同( l )式一致,將此器函加在粒子徑向所受束自生場力方程的右邊。利用多粒子值模擬程序( pic )進行了試驗。模擬結果表明,用同一個器和同一個即可實現五種不同初始分佈情況下的束運一混飩的有效
  8. Use the most efficient data type for the control variable

    量中使用最高效的據類型。
  9. Covers choosing the most efficient data type for the control variable of a loop

    介紹如何為循環的量選擇最有效的據類型。
  10. Successive linear programming is proposed to solve it with the help of lindo6. 1 program. digital tests are carried out and results show that the algorithm is practical and efficient for distribution systems loss minimization and can be used to optimize real distribution system operation

    在求解過程中,結合了線性規劃模型演算法程序lindo6 . 1 ,並引入迭代步長k ,對量的增量作有效的調整,同時,選取就地無功平衡點作為迭代初值。
  11. According to the direction and damping characteristic of the torque produced by the magnetorquers, the three axis attitude control schemes of gravity gradient satellite and other satellite with damper is presented. the control coefficients are determined by the dynamic characteristics of geomagnetic intensity, so the attitude control precision is improved

    根據磁力矩在地磁場中的定向阻尼特性,提出了磁重力梯度衛星和攜帶阻尼器的非重力梯度姿態規律,根據地磁場強度化規律選擇,提高衛星的姿態精度。
  12. Mainly discussed the use of plc in wrapper, constant tensioned winding under variable frequency speed regulation, the use of servo system in accurate location, and also discussed the mathematic model of the auto control system of the wrapper

    摘要介紹了plc在分條整經機中的應用,頻調速下的恆張力,伺服系統的精確定位,並且討論了整經機自動學模型。
  13. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程式選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為量,以曝氣池中有機物濃度s和微生物濃度x為狀態量的活性污泥曝氣過程的基本狀態方程;運用現代理論的觀點和污水處理理論,在現有關于污水處理最優問題研究的基礎上,建立了有約束條件多量能耗最小學模型,該學模型是以有機物排放總量和狀態量的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優問題進行轉化,並對應用極大值原理求解能耗最小這一最優問題進行了詳細的解析;引入約束運算元,應用具有約束的共軛梯度演算法對能耗最小這一最優問題進行求解,並進行模擬實驗驗證。
  14. Expression animation : based on water ' s muscle model, 17 muscle vectors are presented to simulate facial muscles " motion by nonlinear interpolation. meanwhile, some other parameters, for example, open of jaw and eyelids, could simply be substituted by rotation transform. through these control parameters " interaction, highly natural looking animations have been able to generated

    在人臉表情動畫方面:基於waters的幾何肌肉模型定製了一個具有17個肌肉向量的人臉模型的動畫結構,用非線性插值來模擬肌肉的簡單運動;同時,採用旋轉換來模擬其它的表情,例如下巴的張開角、眼簾的張開角等。
  15. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機頻調速技術的發展概況,在回顧電梯液壓系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯頻節能系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成閥組的設計等內容;最後簡單介紹了本課題矢量櫃的外部附件電氣接線、計算機據採集系統的硬體設計等內容。
  16. With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones

    通過建立速度跟蹤束流的學模型,較好地解決了速度跟蹤束流的實時性問題;通過採取用電流模擬量頻器和分段線性處理的辦法,成功地解決了速度精度問題(誤差在士1 %內) ;通過檢測接近開關觸發的脈沖,適時校核所有小車位置,消除各車之間距離計算誤差,從而很好地解決了距離累計計算誤差。
  17. Therefore it comes true the on - line adjusting, real - time control and so on. it sames as real locale. the software of logic protect ( include electric logic ) and control includes some usual algebraic and operation model of thermal control and logic operation of logic protect. it adopts foxboro ' s dcs as a example, so we configuration via filling table, user only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the set, not need to know about the inside of the old programs deeply. so the configuration software offer a flat that control engineer can attend to the structure of control loop and logic protect ( include electric logic ), not but to handle complicated program

    它以foxboro的dcs系統為主要參考模式,採用填表的方式進行組態,用戶只需定義i / o條件、填寫具體的運算量名、邏輯量名即可。本軟體為建模人員提供了一個友好的用戶界面,使建模人員在建模時不必對模塊內部的、邏輯程序有很深的了解就可以方便的對其進行編寫和修改,實時改各邏輯和量在據庫里的值,參與運行和調試,從而實現對機組的。因此,本組態軟體提供的這樣一個平臺,讓工程師能集中精力于迴路及邏輯保護(包含電氣邏輯)的構成,而不必拘泥於一些具體而煩瑣的程序操作。
  18. 4. the algorithm solving an optimal control problem governed by a semilinear parabolic equation with the control in the coefficients and source term is studied. the strong variational method which presented by mayne to solve the optimal control of lump parameter system is developed to semilinear parabolic optimal control problem

    4 、把由mayne等所提出的用於求解集中參系統最優的強分法,推廣應用於一類量含于高階導項系與源項中半線性拋物型系統最優之中。
  19. Second, the conclusion is drawn that the fit model can be gained after the simulation of different models compared with the measured temperature in practice. the components model of variable flow system and control system are set up

    然後建立流量系統部件的學模型及系統部件的學模型並進行迴路的模擬,並提出基於simulink的整定方法。
  20. Argument controls whether the function interprets strings as variable or fixed length

    是將字元串解釋為長還是固定長度。
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