stability for disturbance 中文意思是什麼

stability for disturbance 解釋
擾動穩定性
  • stability : n. 1. 穩定，穩定性，穩度。2. （船等的）復原力。3. 鞏固；堅定，持久不變。
  • for : FOR f o r ＝ free on rail 【商業】火車上交貨（價格）。1 〈表示目標、去向〉向，往。 leave [sail] f...
  • 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. With the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics. the nonlinear stability of three - dimensional disturbances for the blasius boundary layers is studied

    藉助fourier級數的方法將擾動波分解為基本模態和高頻模態，研究了三維擾動的非線性邊界層穩定性問題。
  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. After that, a fuzzy neural network control design with mixed performance was proposed aiming at different requirement to uncertainty, which separately compensate parameter uncertainties and external disturbances of robot system. this method can ensure the robust stability that under a prescribed attenuation level for the external disturbance, and also strengthens compensation to parameter uncertainties. the theory of hybrid force / position control is clear, however, it is difficult to implement

    針對實際應用中對不確定的不同要求，又提出了一種具有混合/性能指標的神經網路控制方法，對機器人不確定性（包括參數不確定性和外部擾動）分別進行補償，保證了系統對外界干擾在給定的干擾衰減度下具有魯棒穩定性的同時，還增強了系統對參數不確定性的補償。
  4. The lifting technique is then used for h _ synthesis problems such as h _ mixed sensitivity problem, robust stability problem and the disturbance attenuationproblem. it is pointed out that for the closed - loop sampled - data control system, thesystem norm is not preserved by the lifting as expected, i. e., there is a differencebetween the two norms

    論文將提升技術應用於采樣控制系統的各種h _設計問題，包括h _靈敏度問題、魯棒穩定性問題、擾動抑制問題，指出對閉環采樣控制系統，提升法並不像設想的那樣具有保范性質，即系統在提升前後的范數是不等價的。
  5. For the improvement of reliability and stability of the whole apparatus, meanwhile, for eliminating various electric - magnetic disturbance within the power supply and ground, measures such as filter, grounding, shielding are all taken in technique. the special methods are lc filter for power supply, bypass capacitor for suppressing voltage surge in printed circuit board, shielding layer wrapped in sensor head and overall grounded

    通過採用合理的濾波、接地、屏蔽等各種方法，尤其是採用電源lc濾波電路、電源上加旁路電容抑制線路板上的電壓波動、傳感頭加屏蔽層、傳感頭總體接地結構等多種抗干擾辦法，減小了電源和地線上的各種電磁干擾，保證了系統的穩定性和可靠性。
  6. Disturbance handling stability control for four - wheel steering vehicle based on reduced - order observer

    基於降階觀測器的四輪轉向車輛擾動操縱穩定性控制
  7. The design of decentralized robust reliable controller is studied for a class of large - scale system with parametric uncertainty, control laws are designed that guarantee close - loop asymptotic stability and reduction of the effect of an augmented disturbance input of an augmented disturbance input on the controlled output of a prescribed level, not only when the system is operating properly, but also under actuator failures

    摘要針對一類具有不確定性關聯大系統，研究其魯棒分散可靠狀態反饋控制器的設計方案，採用該方案設計的可靠控制系統，不僅在系統運行良好的條件下，而且在系統的執行器元件出現失誤的情況下，仍能確保系統內部狀態的穩定性，並同時滿足給定的性能指標。
  8. For the feedback controller design, under the condition of that the noise and disturbance had been eliminated through disturbance observer, an anti - windup state feedback controller is proposed to solve the problem in which most of the existing anti - windup schemes can not guarantee the asymptotic closed - loop stability even for open - loop stable systems subjected to actuator saturation

    對于反饋控制器設計，考慮了系統的物理約束即驅動飽和的影響，在系統的量測噪聲和外部擾動已經通過擾動觀測器減弱的條件下，提出了一種抗漂移的狀態反饋控制器設計方法。模擬結果表明所提方法的有效性。
  9. It is important to do the research of control method for improving stability of generator. the governor additional control method used on steam turbine and hydro turbine was proposed in the thesis based on the restraining disturbance method of h robust control theory

    研究提高發電機穩定性的控制方法具有重要意義，本文利用h _控制理論的干擾抑制方法對汽輪機和水輪機調速系統的附加控制進行了研究。
  10. Using the dynamics model, the stability of evolution trajectory and critical value with different initial states, disturbance of environment parameter and disturbance of control decision - making parameters, which can decide the evolution trajectory ultimately in nonlinear time - dependent system, are discussed. according to the simulation results, some conclusion on the evolution trajectory control of complex economic organization of research and development are drawn, which proposes some method for the research of evolution of nonlinear economic system

    通過建立動力學模型，研究了非線性時變系統中決定演化最終軌跡趨向的初始狀態、環境參數的擾動、可控決策參數擾動等各種情況下的演化軌跡穩定性和臨界值問題，通過模擬運算，得出了控制復雜研發型經濟組織演化軌跡的相關結論，為非線性經濟系統的演化研究提供了方法。
  11. The delta operator is introduced to the h9 filter problem of discrete system, which is significant for the anti - disturbance of the high - speed sampled system. in the delta domain system, the coefficient of the gain matrix of the estimator is approaching to that of the continuous - time system. which not only guarantees the stability and the performance of the system but also avoids the also avoids the defects the z domain when the sampling periods is approaching to zero

    濾波問題中，這對于高速采樣系統的抗干擾及狀態估計具有很大的理論及實際意義，當采樣周期趨近於零時，估計器的反饋增益矩陣及閉環極點趨近於連續系統的反饋增益矩陣及閉環極點，從而可以採用離散的設計方法獲得連續系統的性能，既保證了系統的性能及穩定性，又避免了z域內設計的缺點。
  12. On the basis that the stability of system motion can be described as the balance stability of disturbance equation, the stability problem of dry friction is studied in detail, and precise integration method is induced in the process of analyzing for improving the analyses precision

    文中基於系統運動的穩定性等價于其擾動方程原點穩定性的理論，對于摩擦系統的穩定性問題進行了詳細的分析，並將精細積分法引入計算過程中，提高了分析的準確程度。
  13. Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    文摘:軸流壓氣機的氣動穩定性模型，最初為一維模型，僅適用於描述喘振發作.對于旋轉失速發作，在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生，徑向擾動的強度影響壓氣機的氣動穩定性，在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析
  14. Concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    軸流壓氣機的氣動穩定性模型，最初為一維模型，僅適用於描述喘振發作.對于旋轉失速發作，在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生，徑向擾動的強度影響壓氣機的氣動穩定性，在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析
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