被控變量 的英文怎麼說
中文拼音 [bèikòngbiànliáng]
被控變量
英文
controlled variable-
Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。Furthermore, these ics span the characteristic space of normal operating condition ( noc ), and the changes of coefficients matrix are monitored which are obtained by projection of process variables onto the space of noc
進一步地，這些獨立成分構成了正常工況的特徵空間，過程變量在該空間上投影系數矩陣的變化被作為監控指標。The chosen controlled parameter must be single function of extraventricular temperature because extraventricular temperature affect immediately radiator ' s emitting heat, heat net supplying heat and user ' s heat load. but the sometime chosen controlled parameters all are ' t extraventricular temperature ' s single function
室外溫度的變化直接影響用戶熱負荷、散熱器散熱量、熱網供熱量的大小，所以選擇的被控參數應與室外溫度有單值函數關系，而以往所選的被控參數與室外溫度之間都不是單值函數關系。In order to support above model, we take a behavioral experiment. using 76 college students as subjects, we intervened the satisfying degree of autonomy. the results showed that the satisfaction of autonomy increased the intrinsic motivation, and improved the performance futher ; autonomy influenced the originality more than appropriateness ; the quality of creative behaviour may be costed for the quantity
為了給上述模式提供進一步的支持材料，本研究最後採用76名大學生為被試，在實臉室環境中對無關變量加以控制，干預被試的自主需要滿足程度，結果發現滿足個體的自主需要可以顯著性地增加內部動機，並促進創造性成績；但需要的滿足更多影響的是作品的新穎性，對適宜性的影響有限；創造性活動的質量有可能是以創造性活動的數量為代價的。Abstract : design ideas, technical features and system architectures of advanced process control for polypropelene units were introduced together wit h on - line calculations for the controlled variables such as the yield of polypr opelene, concentration of monomer, hydrogen concentration in liquid phase and the melt flow rate index. attentions in implementation were pointed out
文摘:介紹聚丙烯裝置先進控制技術的設計思想、技術特點和系統構成，並介紹產率、漿液濃度、液相氫氣濃度、熔體流動指數等被控變量的在線計算，指出了實施中應注意的問題。A coke oven represents a kind of controlled object with a full spectrum of closely coupled factors, such as distributed parameters, no - linearity, time - dependent change and multi - variable features. among them, the discharge header pressure and fan suction are key parameters, and also constitute strongly coupled variables with very close inter - relation, which are fulfilled by the way of regulating coal - feeding and the rate of primary air supply in practice
焦爐是一個分佈參數，非線性、時變、多變量緊密耦合的被控對象，其中集氣管壓力和鼓風機吸力既是關鍵參數，又是具有緊密關系的強耦合變量，它們均是通過調節給煤量和一次送風量來實現控制的。Indirectly controlled variable
間接被控變量Ultimately controlled variable
最終被控變量Directly controlled variable
直接被控變量This thesis emphasizes to discuss how to be more accuracy, more sensitiveness, more on time and more economies acquisition signal that need to be collected
本文著重討論了在工藝上和理論上如何更準確、更靈敏、更快速、更及時和更經濟地獲取所需採集的信號，以及被控變量的可測和可控性。The model control input information according as output information measure up ( related faction ). matter - element transformation which made contradiction problem convert resolved problem exploit relevant strategy set. it make use of the strategy to solve existence problem in production controlling, thereby operating variable convert measure from fail field
該模型以控制輸出信息的合格度（關聯度）作為確定控制輸入矯正量的依據，利用物元的可拓性，通過物元變換化矛盾問題為相容問題，從而開拓出有關的策略集，解決生產控制中存在的問題，使被控變量從不合格範圍轉化到合格範圍內。2. when the test is going along, the connection between the output of the test system and computer is broke off while the state of the test system is changing, so it is difficult to ensure the same precision of stochastic waveform reappearance of the test system output
進入試驗運行后，計算機輸出的控制信號與振動設備響應之間的關系便成了開環，由於試驗臺或被試對象的狀態在試驗過程中會發生變化，所以難以保證被控系統按同樣的精度再現給定的隨機物理量。There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control ， decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象，它們中有些還是具有強非線性特性的對象或多變量耦合系統，採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段，則需要建立被控對象的數學模型，而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。Based on x - filtered lms algorithm and - filtered lms algorithm adaptive inverse control, we use a new variable step size lms algorithm. adding little computation, variable step size lms algorithm can result in fast convergence speed and low residual error simultaneously. the adaptive feedback control can counteract the beginning error of the system
在原來的x -濾波lms演算法自適應逆控制和-濾波lms演算法自適應逆控制方法的基礎上，引入了新的變步長lms演算法，在計算量增加不多的前提下，能同時獲得較快的收斂速度和較小的穩態誤差；引入自適應的反饋補償控制克服了被控系統的直流零頻漂移，使控制系統在初開始工作階段快速收斂；還引入自適應擾動消除器，它能最大限度的消除擾動。So it is very difficult to set up the mathematical model. with the development of the technology of electronics and controlling, it is probable to realize the mainland method
與直流電動機不同，三相異步電動機是一個非線性、多變量、高階強耦合的復雜被控對象，從而很難建立它的精確數學模型。Fuzzy logic control has recently proved to be a successful control approach for complex nonlinear, large delay, multivariab, uncertainty systems which need n ' t construct the controlled object ' s mathematic model, just considers locale operator ' s experience and related expert ' s knowledge as control mechanism and strategy. the past few years have witnessed a rapid growth in the number and variety of applications of fuzzy logic, ranging from consumer products and industrial process control to medical instrumentation, information systems, and decision analysis
模糊控制以其無需建立被控對象的數學模型，以現場操作人員的控制經驗或相關專家的知識作為控制機制和策略，已經成為解決工業生產過程非線性、大滯后、多變量、不確定性等難控問題的一種重要方法，廣泛應用於生產生活的各個領域。In the new method the uncertainty of the system to be controlled is normalized firstly, and then the partition of unity that is subordinated to a open covering of state variables compact set is constructed, and the approximation is realized by using its property that can approximate nonlinear continuous function with arbitrary precision, then the decentralized adaptive robust controller of complex systems and adaptive laws of approximate parameter estimation are designed
該方法首先對被控系統中的不確定性進行歸一化處理，進而構造出從屬于狀態變量的緊致域的一組開覆蓋的單位分解，利用其具有以任意精度逼近非線性連續函數的性質，實現了對被控系統不確定性的近似逼近，然後設計了復雜系統的分散魯棒控制器和參數估計的自適應律，並證明了這種控制器使被控系統的狀態及參數估計誤差一致終極有界。Randomization spreads the effects of other variables evenly across the groups of the study
隨機性將變量的影響平均地分配到研究組群中。通常，有機變量就是這樣被控制的。Both are used to separate the responsibility for rendering pages from the model and controller. both accept objects passed into them as an input argument, both allow inserting string values within code " expressions ", and allow direct use of java code to perform loops, declare variable, or perform logical flows " scriptlets ". both are good ways of representing the structure of a generated object web page, java class, or file while supporting customization of the details
Jet與jsp非常類似：二者使用相同的語法，實際上在後臺都被編譯成java程序；二者都用來將呈現頁面與模型和控制器分離開來；二者都可以接受輸入的對象作為參數，都可以在代碼中插入字元串值（表達式） ，可以直接使用java代碼執行循環、聲明變量或執行邏輯流程式控制制（腳本） ；二者都可以很好地表示所生成對象的結構， （ web頁面、 java類或文件） ，而且可以支持用戶的詳細定製。In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into computer. the corresponding changes of the measurands can be obtained by filtering, analysising and processing the experimental data by using the computer information process system
該系統採用可調諧光纖fabry - perot濾波法對fbg波長變化進行解調，通過a d轉換電路將調諧控制信號和波長變化的信號送入計算機並口，經過計算機信息處理系統的濾波，分析，處理，可得到相應被測參量的變化。分享友人