給定控制值 的英文怎麼說
中文拼音 [gěidìngkòngzhìzhí]
給定控制值
英文
reference- 給 : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 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...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。Microcomputer inputs data document and sends out electric current signal to control wind velocity according to the setted value of speed. the major work of single - chip microcomputer is to get electric current signal from microcomputer and transfer the signal into decimalization ascii then send to show
Pc機把採集來的數據文件調入,按照設定的速度,給下位機(單片機)發送一個控制風速的電流值,並且在pc機的界面上畫圖,顯示發送數據的大小。Control of discharge - sand gate discharge - sand gate adopts electro - hydraulic handspike ; it uses displacement transducer to measure opening of sluice gate ; when opening of displacement transducer is smaller than set point, the electro - hydraulic handspike will open this gate ; when opening of displacement transducer is larger than set point, the electro - hydraulic handspike will close the gate
卸砂門採用電液推桿,由位移傳感器檢測砂門的開度,當位移傳感器檢測的開度小於控制系統的給定值時,電液推桿工作將門開大,當位移傳感器檢測的開度大於控制系統的給定值時,電液推桿工作將門關小。The wing is modeled structurally by vibrational modes, which are used as amplitude of motion by a finite element analysis. conservative full - potential equation and three dimensional unsteady euler equation are used to compute the unsteady transonic flows around airfoil and wings under simple harmonic motion
以給定機翼模態分佈下機翼上各點的模態值作為運動幅值,以三維非定常全位勢方程和三維非定常euler方程為控制方程,求解三維機翼簡諧運動下的非定常氣動力。The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ). in order to improve system performances, design of digital control system based on dsp is presented. the proportional parameter and integral parameter can be obtained through the design
整個系統採用變pi參數轉速調節(外環)與單斬電流滯環調節(內環)相結合的雙閉環控制方式,為了得到既快速又穩定的恆速系統,本文還給出了基於dsp的雙凸極永磁電機數字控制系統的設計方案,通過此設計方案可以得到轉速環的比例參數kp和積分參數ki的參考值。Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。To limit the predicting precision loss in a certain range, author presented a method of bayes modeling and predicting for dynamic errors based on standard value interpolation at intervals during the multi - step prediction after consulting a lot of papers at home and abroad
為將預報精度損失控制在一定的范圍之內,作者在查閱了國內外大量相關文獻之後,提出了基於標準量插入的動態測量誤差的貝葉斯建模預報理論,並根據貝葉斯理論給出了預報值的不確定度。Taxation rebate is a mechanism that entitles the enterprises or companies, based on the laws and regulations of a country, to get back some indirect tax from the government after exporting their products, value added tax and excise tax for example, so that they could sell their products in the international market at a more competitive price. generally, the mechanism is implemented in the hope that the export sales of the whole country would be improved, and the macro economic condition could be ameliorated as a result
出口退稅是指一個國家根據本國稅收法律的規定,對已經報關離境的出口商品,將其在出口前生產和流通各環節已經繳納的國內增值稅或消費稅等流轉間接稅的稅款退還給出口企業,使出口商品以不含稅的價格進入國際市場,從而促進該國的對外出口貿易,同時調節與控制經濟運行的做法。The optimal control system of economical combustion is simulated by computer. and the theory of economical combustion and the reasons causing low heat efficiency are discussed in the paper. the sub - optimal feedback control system is proposed in which oxygen setting is controlled by a fuzzy controller
對燃燒系統最優控制進行計算機模擬研究,分析了經濟燃燒的原理及造成鍋爐燃燒熱效率低的原因,構成了模糊控制含氧量給定值的閉環次尋優控制系統。A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function
把近代最優控制論方法引入軸流透平葉片的設計,在優化的軸流透平子午通道內,建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式,並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下,使級的某一性能指標(如級的功率)達到最優的最優控制問題,應用「代價函數法」及「共軛梯度法」編制計算程序,計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈,結果是令人滿意的。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。By means of linear matrix inequalities, a sufficient con dition is given for uncertain discrete singular system to be generalized quadratically stable and strictly passive, based on which, a sufficient condition is given for the existence of a state feedback controller, such that the resulting closed - loop system is both generalized quadratically stable and strictly passive for all the admissible uncertainties, all conclusions carry with them corresponding examples to prove the effectiveness, and the corresponding controllers are also presented
利用線性矩陣不等式,給出不確定離散廣義系統廣義二次穩定且嚴格無源的充分條件,並在此基礎上給出存在狀態反饋控制器,使得閉環系統廣義二次穩定且嚴格無源的充分條件。每一節均給出數值算例來說明結論的有效性,同時給出相應的控制器構造。The application of bp neural network to speed control system on usm is discussed, and a program is designed for training the bp neural network by matlab ’ s nntool, a three layers neural network of 2 - 8 - 1 is determined through simulation, then write the weights and biases of the nn into dsp to make on - line training, and it reaches the purpose of controlling usm ’ s speed
利用matlab7 . 0中的神經網路工具箱進行結構設計和離線訓練,通過模擬實驗最終確定了2 - 8 - 1的三層網路結構,將訓練后得到的權值、閾值結果寫到dsp中,進行控制過程中給定速度的在線訓練,從而達到控制電機轉速的目的。This type of electric valve actuating controller with the core of micro controller 80c31 possesses not only the functions of a normal regulating device, such as testing, detecting, controlling and regulating, but more functions which helps to realize the remote controlling, the real - time display of various parameters, the diagnosis of fault and the failure protection and the soft judging of reference parameters coming from remote control center
它以單片機為控制和接受遠程控制信號的核心部件,不僅具有常規調節儀表的檢測、控制、調節功能,而且由於單片機的可編程,使其更具智能化。系統功能包括閥門控制、實時顯示閥位、閥門狀態監測、故障診斷、失效保護及給定值無擾動切換的軟體判定等多種功能。At the same time, this paper summarized the experience on solving the problem of amplitude limitation of the controller output and proposed a method to predict system output by use of the model prediction with feedback correction. the on - line intelligence switch of controller output between the limited amplitude and imc controller output is determined according to the state whether the system output and the predictive output are within the given error range
同時,本文在總結前人對輸入受限問題的處理經驗的前提下,提出用帶反饋校正的模型預測作系統輸出預測,根據系統響應和系統預測值是否在給定誤差范圍內來共同決定控制量在限幅值與內模控制器輸出值之間進行在線智能切換。A discrete model for a simplified multi - router transfer control protocol network with random early detection congestion control system is proposed by modifying the previously developed one, where the nonlinear behaviors occurring in the system are researched by analytical and numerical methods, and the stability of the fixed points in different parameters is obtained simultaneously
摘要基於傳輸控制協議和隨機早期檢測擁塞控制演算法,提出多路由器網路拓撲下系統的改進型離散時間映射,採用解析及數值方法研究該映射中出現的分岔現象及混沌,給出系統的穩定性條件。In the simulation experiment, the whole system model is founded by the software matlab / simulink. using the stator active power computed from the maximal output power of the wind turbine as the reference value of vector control system, the result of experiment approves that the control strategy is true. not only the frequency of stator current is constant, but the control of stator active and reactive are decoupled, and the output power tracks the maximal power of wind turbine
在最後的模擬實驗中,本文利用matlab軟體建立了系統各部分的模擬模型,選用與風力機最大輸出功率對應的定子有功功率作為矢量控制的參考值做了模擬實驗,並給出了模擬結果,驗證了定子磁鏈定向矢量控制策略的正確性:既保證了定子輸出頻率的恆定,又達到了有功功率無功功率獨立解耦控制的目的,同時還較好地跟蹤了風力機的最大功率輸出。Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used
硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上,軟體採用匯編語言編程,實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖, pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。On three - dimensional numerical solution of incompressible viscous flow by osfem abstract an algorithm for solution of three - dimensional navier - stokes equations for incompressible viscous flow is developed. a decoupled algorithm based on the operator - splitting technique is applied
由於三維粘性流動的復雜性,例如流動邊界的選取、控制條件的給定以及混合運算元方程高精度數值解法等,都值得探討和研究。In basic action layer ' s designing, it uses a fuzzy - pid control algorithm that brings the system with a good dynamic and static performance. in the whole decision - making process, the protean situation on the competition ground is expressed by an artificial intelligence method for describing the state space that is constituted by selecting a small number of discrete representative states. desired actions are set for every robot based on the tasks of the system and the strategy
其中在進行基本動作層的設計時,採用了模糊控制與pid控制相結合的智能控制演算法,使系統具有良好的動、靜態品質;而在進行整體決策時,採用了人工智慧的狀態空間表示方法,在比賽場上瞬息萬變的態勢中選擇少量的具有代表性的離散狀態來構成狀態空間,再根據系統需要完成的任務,為機器人確定有限的動作集合,並通過決策推理,給每個機器人選擇合適的動作,從而決策得出機器人的左右輪轉速值,實現對系統的實時控制。分享友人