speed feedback 中文意思是什麼

speed feedback 解釋
速率反饋
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  • feedback : 反饋的信息
  1. The working principle, application range, merits and demerits of internal feedback speed regulation, variable - frequency speed regulation, and hydraulic coupler speed regulation are presented, as well their applications in power plants

    摘要介紹火電廠電動機調速方案中的內饋式調速、變頻調速、液力偶合器調速原理、適用范圍和它們的優缺點，在火力發電廠的應用實例。
  2. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  3. In the differential input, positive feedback circuit was used to increase the switching speed and attain low power

    在差分輸入端，採用正反饋電路結構，以提高開啟和關斷速度，並降低功耗。
  4. Adaptive ignition control of a gasoline engine with speed feedback

    汽油機轉速反饋自適應控制
  5. 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
  6. This paper also use non - linear feedback decoupling theory to decouple die vector - control close - loop system into linear decoupling of rotor speed and rotor flux linkage subsystems. the speed regulator and flux linkage regulator of these two linear subsystems can be designed with classical linear theory

    本文同時還應用非線性反饋解耦理論將矢量控制的閉環系統分解為線性化的轉速子系統和轉子磁鏈子系統，兩個子系統中的速度調節器和磁鏈調節器可按線性理論設計。
  7. This system employs a high speed counter unit to get the stretching dispacement error used as the feedback of the fellow motor

    應用plc高速計數模塊計算拉伸的位移誤差，並根據該誤差調節跟隨電機的轉速。
  8. Sy - kang shen, bor - chyun wang, ching - yin lee and tsung - chih lin, “ a modified qft design method for a cascaded multiple loop system and application in idle speed control ”, 1999 international symposium on quantitative feedback theory and robust frequency domain methods, pp. 25 ~ 41, university of natal, durban, south africa, august, ( 1999 )

    [ 22古碧源，李清吟，顏坤鴻，楊仲健，林春福， "二極體接地捷運直流供電系統之接地電位與雜散電流， "第十九屆電力工程研討會論文集，第677至681頁， （ 1998 ）
  9. The paper makes simulation for each type of electro - hydraulic regulating system of turbine. the results of simulation show that for the francis and kaplan turbines the contradiction between regulation time and pressure increasing can be solved by logical chosen of feedback adjustment coefficient and control cost - weighting matrix. for tublar turbine the dynamic matrix pi control scheme can effectively solves the difficulty of speed stabling of this type turbine

    本文對各種機組調節系統進行模擬，結果表明，對于混流式和軸流轉漿式機組，通過反饋校正系數和控制權矩陣的正確選擇，可以解決調節時間和水擊壓力上升的矛盾；對于貫流式機組，提出了動態矩陣pi控制方案，可以較好的解決此類機組轉速難以穩定的問題。
  10. Through the electric stimulation training quadriceps muscles and biceps muscles on wushu athlete, observing electricity stimulating influence on feedback speed, on muscle strenth, on musculus endurance, on flexibility and sensitivity, the result find it had best influence through electricity stimulating training quadriceps muscles and biceps muscles at the same time, this can be used as the wushu athlete to train

    摘要通過對武術運動員股四頭肌和股后肌群進行電刺激，觀察電刺激對運動員的反應速度、肌肉力量、肌肉耐力、柔韌性和靈敏性五大素質的影響情況，結果表明，同時電刺激股四頭肌和股后肌群對武術運動員綜合素質影響最大，可以對武術運動員進行素質訓練。
  11. 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。
  12. Ad2s81a, r / d converter of analog devices inc., is chosen to substitute for the velocity measuring dynamo to gain the speed feedback signal. it reduces the system dimension and improves the system reliability

    選用美國模擬器件公司的r d轉換器ad2s81a代替測速發電機的功能獲得速度反饋信號，減小了系統體積，提高了系統可靠性。
  13. The work greatly boost the development of proportional valve control system applying car speed feedback and the development and spread of homemade hydraulic products

    課題的研究完成使電梯組的新型大閉環反饋閥控系統的技術開發和國產新產品研製和推廣工作邁出了堅實的一步。
  14. Hydraulic elevator is a typical electrohydraulic control system, and the speed feedback control method is advanced technology

    液壓電梯是一種典型的電液速度控制系統，直接轎廂速度反饋控制是一項先進的技術。
  15. Secondly, we use matlab to emulate the average model, derive out a kind of control method based on the position and speed feedback

    接著，運用matlab作為工具，對平均化模型進行模擬，推導出了一種基於位置和速度反饋的控制方法。
  16. By analyzing on the forced vibrations of the automobile suspension system under the single - frequency sinusoidal motivation of the road surface, this paper reveals the possibility of the chaotic movement existing in the system, and in terms of this view point, this kind of chaotic behaviors can he controlled by using the speed feedback control method, and it also provides the academic basis for using the chaos sequence

    分析了汽車懸架系統在路面單頻周期激勵下的受迫振動，揭示了該系統振動存在混沌的可能性，並在此基礎上，利用速度反饋控制方法對這類混沌行為進行了控制，為利用混沌序列提供了理論基礎。
  17. The design and analysis on speed feedback link of main engine remote control system

    主機遙控系統轉速反饋環節的設計與分析
  18. The main studying content of this thesis is the speed control system of hydraulic elevator applying the speed feedback technology. aiming at high reliability, the embedded controller of single chip processor is made, which can control the hydraulic elevator tracing the ideal curve easily and reliably

    以高可靠性為目標，對液壓電梯單片機控制器進行了軟、硬體設計，並將計算機技術應用於液壓電梯控制系統中，設計計算機監測系統，輔助系統的調試研究。
  19. This paper introduces a method of calibrating and processing angular speed fluctuation in ni sampling system - pxi - 6281, it accomplishes the acquisition of angular speed fluctuation by distortion of signal, analyzing fundamental wave, high order harmonic of angular speed feedback signal and calculating the amplitude ratio of base wave and high order harmonic

    摘要利用ni的pxi - 6281高速數據採集卡來完成角速度波動信號的採集，借鑒信號失真度的概念，分析角速度反饋信號的基波和高次諧波大小，求取高次諧波與基波幅值比，作為角速度波動率。
  20. The experimentation result of design and emulation argues that the conventional single - loop pid control is feasible in control precision and response speed, but on the other hand this control method makes the platform system lack of desirable disturbance rejection. but then the problem is solved by double - loop control method which introduces speed feedback into the system

    通過設計和模擬，驗證了傳統的單閉環經典pid控制規律在控制精度、響應速度方面的可行性，並通過引入速度反饋的雙閉環控制，克服了單閉環系統在抗干擾性能方面的欠缺。
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