speed of disturbance 中文意思是什麼

speed of disturbance 解釋
擾動傳播速度
  • 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...
  • of : OF ＝Old French 古法語。
  • disturbance : n. 1. 動亂，變亂，騷亂。2. 煩悶；（心情）紛亂；（身心）失調。3. 【無線電】干擾；【氣象學】擾動；【地質學；地理學】（地殼的）局部運動。4. 【法律】侵犯（權利），妨害（治安）。
  1. This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) ， computed the balance point ， tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) ， analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop

    在模擬模型上，完成了穩態計算、系統階躍擾動試驗、甩負荷試驗（未加調節系統）等測試，主要監控和分析了汽輪機動態特性中兩個重要參數：汽輪機第一飛升轉速、飛升時間。
  2. On the basis of microcosmic and qualitative analysis of stimulation - reaction process and assembled human - car unit in car - following fleet, the inscrutability, inseparability and regularity that were necessary conditions of coming into being chaotic behavior were discussed. then, the two mathematic simulation experimentations with speed disturbance were designed, and liapunov exponents of car - following fleet were calculated

    並據此制定了詳盡的數據採集方案，採集了大量真實反映我國城市快速道路交通條件特性的車輛跟馳數據，經過數據的有效性檢驗，為真實反映我國城市快速道路交通條件特性的車輛跟馳模型的研究提供堅實的數據支持。
  3. 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。
  4. The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other

    當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時，剪切層對其有選擇放大作用，形成渦環結構，剪切流動中渦環與碰撞壁撞擊，在碰撞區域產生壓力擾動波並向上游反射，在上游剪切層分離處誘發新的擾動的產生，當新擾動與原擾動匹配時，射流上游就被不斷地受到周期性激勵，腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。
  5. Aimed at overcoming the shortage of basic fuzzy controller, a kind of two stage fuzzy controller with scaling factors self - regulating and fuzzy pi controller is presented. when it is used in course control system, system " s anti - disturbance and response speed are satisfied

    針對基本模糊控制器的不足，提出一種帶模糊pi控制的參數自調整的雙級模糊控制器，應用於船舶航向控制系統時，系統的抗擾性和響應速度方面均獲得滿意效果。
  6. Furthermore, the principle and nature of periodic instantaneous temperature field disturbance and permeation have been discussed with several cases of various types to examine the speed of heat transfer and permeation and damping of temperature wave

    充分討論了周期性瞬態溫度場的擾動、滲透的機理和實質，以幾種不同的實例考察了熱傳播的速度以及溫度波的滲透和衰減情況。
  7. When unknown and bounded disturbance, parametric uncertainties and unmodelled dynamics exit at the same time, the system will automatically tune regulator parameters so as to guarantee robustness of speed synchronized control system and achieve indirectly position synchronized control

    對未知有界擾動、參數變化和未建模動態採用h _魯棒自校正調節器控制，可根據環境與特性變化自動整定調節器參數，有效抑制擾動、參數變化和未建模動態對系統同步性能的影響。
  8. The result shows that the new control system has convenient parameter modification, perfect controlling flexibility, rapid dynamic response speed, stable welding procedure ; the das of welding parameters has strong ability of anti - disturbance and the data is reliable. the control effect and practicability of the diagnosis system judging the welding quality are both good by using the characteristic values of welding process such as the percentage of the flashing time. gray - spots flaw in flash welding joints of rail is the least when the pole moves to and fro at the same velocity and the speed is slow

    結果表明：新型控制系統參數設置修改方便，控制柔性好，動態響應速度快，焊接過程穩定；焊接參數採集系統抗干擾能力強、數據可靠；以閃光時間百分比等焊接過程特徵量為判據診斷焊接質量效果好，實用性強；當動立柱的前進、後退速度相同且為低速時，鋼軌接頭中灰斑缺陷數量最少。
  9. Abstract : the actual sea trial result of h robust autopilot tested on yangchenghu oil tanker is presented, which certified the autopilot can resist the disturbance of sea states with good control performance and has good robustness to model uncertainty caused by the change of surge speed etc

    文摘:給出了h魯棒自動舵在陽澄湖號油輪上實際海試的結果，證明了該自動舵能夠抑制海況干擾，具有良好的控制性能，對航速變化等產生的船舶模型攝動，具有良好的魯棒性能
  10. Various high - speed flexible mechanisms are used popularly in modern industries. due to their small damp, and the coupling of their large overall displacement and local distortion, they are ready to vibrate under exterior disturbance, which usually leads to intense acoustic radiation, then deteriorate the circumference

    工業領域廣泛使用著以彈性連桿機構為主體的各種高速機構，這些機構由於阻尼小、整體大位移和局部彈性變形之間存在剛彈耦合，所以極容易受到外界的干擾發生振動並產生強烈的噪聲輻射，對周邊環境造成噪聲污染。
  11. As for the problems in the experimentation, such as the slow response speed of axes torque control, the disturbance of torque control to position control of throttle lever and the torque fluctuation of axis, solutions had been put forward and proved theoretically

    對于試驗過程中出現的以下問題，油門桿高速運動中輸入軸力矩控制的響應速度較慢，輸入軸力矩控制對油門桿位置控制的擾動，以及輸入軸力矩脈動現象，提出了解決方法，並且從理論上加以驗證。
  12. The modeling and simulation of brushless dc machine speed control system based on auto - disturbance - rejection controller

    基於自抗擾控制器的無刷直流電機調速系統的建模與模擬
  13. A new phenomenon is found numerically and experimentally : even if the rotating speed of the rotor is lower, the subharmonic vibration of the rotor - bearing system may be occurred under great disturbance ( unbalance )

    通過理論計算和分析發現：提出了即使在較低轉速的情況下，只要外激勵（不平衡量）足夠大，也有可能導致轉子出現油膜渦動或者失穩的現象。
  14. Based on this point, penman combines the good approximation capacity of fuzzy system and the merits of internal model control, such as simple design, good regulation capacity, high robustness and elimination of the unknown disturbance etc. to construct the fuzzy internal model control system based on ga, which is characterized by high robustness and quick response speed, furthermore, it can bring good control performance when the controlled objects vary in a big range. at last, it is triumphantly used in simulation of the 1st superheated steam temperature reduction control system

    正是基於這種思想，筆者結合內模控制設計簡單、調節性能好、魯棒性強並能消除不可測干擾的影響的特點和模糊系統的良好的函數逼近能力提出基於遺傳演算法的模糊內模控制，其特點是系統的魯棒性強、快速性好，且當被控對象在較大范圍內變化時，控制系統仍然具有良好的調節特性，並將此控制方案成功地應用於500mw機組一級減溫控制系統的模擬中。
  15. Aim at overcoming the disadvantages of conventional pid control algorithm, which adopts fixed - parameters, author introduces a variable parameters pid speed regulator which gives much improvement on anti - disturbance. this control system has fast respondence when increasing or decreasing speed at emergency work conditions

    針對常規pi演算法控制參數固定的缺點，筆者採用了一種變參數pid調速器，使柴油主機調速系統抗干擾性有較大改善，在應急工況下系統對于加、減速車令具有快速響應性。
  16. The varieties of interior parameter and exterior load disturbance and the presence of saturation nonlinear have great influence on the dynamic process and tracking effect of the system, so there are practical meanings and theory values to apply robust control methods to speed system. the development and status quo of robust control theory is summarized

    由於系統內部參數的變化、飽和非線性的存在及外界負載擾動的變化對軋機速度系統的動態過程及跟蹤效果有較大的影響，因此，本文應用魯棒控制方法對速度系統進行控制研究，具有較大的實際意義和理論價值。
  17. The simulation results indicate that the algorithm is suitable for the speed regulation of srm. within a wide speed range the system has a good regulation character and a high precision of steady state, also the system can well constrain the disturbance of the load torque varying

    模擬結果表明，採用本演算法構成的sr電機凋速系統在整個調速范圍內具有良好的調節性能及穩態精度，對負載轉矩的變化造成的擾動輸入能夠很好的加以抑制。
  18. 9. a fuzzy reasoning controller is designed to improve the performance of the mentioned disturbance observer. as the motor speed and load torque varying, the parameter of the disturbance observer can be changed by the fuzzy controller based on experiences. the pulsating torque can be compensated more strictly in a extended range

    9 、對基於干擾觀測器的轉矩脈動控制系統進行了改進，設計了一種模糊推理控制器，根據電機速度和負載轉矩的變化調整干擾觀測器的增益，保證了轉矩脈動控制系統的控制精度，並擴大了其運行范圍。
  19. One important problem is the design of advanced motion servo controllers in the presence of disturbance, nonlinearities and unmodeled dynamics, the other is the monitoring of high - speed machining process and the machining state of cnc systems. this dissertation focuses on the high performance motion control algorithms and their implementation on the cnc system. according to the idea of synthesizing the error avoidance and error compensation to research, the dissertation is consist of two parts which are servo controller design theory and online error compensation theory

    針對高性能數控系統研究現狀中面臨的兩大挑戰問題： （ 1 ）在存在擾動、非線性、模型和參數不確定性的情況下設計高性能的伺服控制器； （ 2 ）高速加工過程和數控加工狀態的監控，本文系統地研究了高性能運動控制在數控系統中的應用，按照誤差避免和誤差補償兩條主線進行綜合研究，從而可將本文分為兩大模塊；伺服控制器設計理論和實時誤差補償理論。
  20. The system based on pid control theory has characteristics of fast response speed and higher peak overshoot, and it also has a good performance of tracking, but it is lack of ability of disturbance rejection. because smvs control method is insensitive to the variations of the model parameters, nonlinear and exterior noises, the attitude stabilization system designed based on smvs has fast response speed, higher ability of disturbance rejection and has no peak overshoot, namely, the system is robust

    模擬結果表明，基於pid控制規律設計的系統具有響應速度快但超調大的特點，系統的跟蹤性能較好，但抗干擾能力較差；滑模變結構控制方法因為其對模型參數的變化、非線性和外擾噪聲的不敏感性，設計的聲納基陣姿態穩定系統無超調，響應速度快而且抗干擾能力強，具有很好的魯棒性。
分享友人
分享到 Line

分享到臉書