feedback variable 中文意思是什麼

feedback variable 解釋
反饋變量
  • feedback : 反饋的信息
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator

    在此基礎上,選擇a為控制變量,構造延遲反饋控制器g : g ( s glrrms ( s )一rms ( s ) ( 2 )同( l )式一致,將此控制器函數加在粒子徑向所受束自生場力方程的右邊。利用多粒子數值模擬程序( pic )進行了控制試驗。模擬結果表明,用同一個控制器和同一個控制參數即可實現五種不同初始分佈情況下的束運一混飩的有效控制。
  2. 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。
  3. 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
  4. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  5. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  6. Synchronizing chaos by variable feedback control

    採用動態變量反饋控制同步混沌的研究
  7. Meanwhile, small signal stability of the system with associated feedback control is similar to that with all state variable feedback control

    從特徵值比較看,關聯測量分散勵磁控制下的小干擾穩定性可以接近全狀態量反饋控制時的性能。
  8. For a class of shunt - wound active power line conditioner, based on analysis of mathematical model of system and target of control, the algorithm of fuzzy variable structure sliding mode control is presented. the control algorithm can avoid complicated calculation of harmonic electric current in traditional control algorithm, and realize the feedback control of electric current. the algorithm is simple and easily implemented

    針對一類並聯型有源電網調節器在分析系統數學模型和控制目標的基礎浙江大學博士學位論文上,提出了模糊滑模控制策略,避免了傳統控制方法中復雜的諧波電流計算,實現對電源電流的閉環控制,該演算法簡單、易於實現,模擬結果證實了變結構滑模控制的有效性。
  9. At last this chapter researches two ways that make system performance optimal, test way and pole allocation way. the affections of feedback parameters, air pressure and load quality are analyzed. chapter 5 introduces the theory, application and foreground of the vsc ( variable structure control ) system

    最後一部分研究了實現系統狀態反饋控制的方法,包括試湊法和極點配置法,並分析了各反饋參數、氣源壓力和負載質量對控制性能的影響。
  10. Emelyanov. s. v ( 1998 ) studied the output feedback problem for the uncertain systems with exact linear model and constructed robust variable structure observer using descending - order observer method

    V ( 1998 )通過採用降階觀測器,研究了帶有精確線性建模的不確定系統的輸出反饋問題,並設計了魯棒變結構控制器
  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. 2. based on the multivariable frequency control theory, a multi - variable computer - aided design software is designed using visual basic 6. 0 after decoupling the controller model, the precompensation matrix, the dynamic compensation matrix and the feedback matrix are obtained

    二、以多變量頻率域控制理論為基礎,結合現代控制理論對該數學模型進行解耦設計,利用vb6開發了一個多變量系統的輔助設計軟體,得到它的預補償陣,動態補償陣和反饋增益陣。
  13. In this circuit, we use many kinds of negative feedback to modify the ou tput wave, which can decrease the distortion. and we use the high - voltage and high frequency capacitance efficiency, which can decrease the disturbance of output signal of variable frequency source for the test of part discharge

    採用了多種負反饋迴路修正輸出波形,使得輸出電壓波形的失真度很小;並且在電路中有效利用高壓高頻電容,減小了變頻電源輸出的電壓對局部放電試驗時的干擾。
  14. In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law

    在船舶航向控制方面,考慮船舶的穩態回轉非線性,應用backstepping方法設計:首先把系統化成單入單出的嚴格反饋控制形式(呈下三角結構) ,假設系統后一個狀態變量是前一個狀態變量的虛擬控制,通過適當的變量代換,在每一步構造李亞普諾夫函數,使前一子系統在虛擬控制下漸近穩定,逐步遞推出控制器控制規律,使整個系統在平衡點滿足一致漸近穩定性。
  15. This paper introduces a method of variable structure control based on the feedback linearization, which can solve the stability problem of the feedback linearization when there are some plots which relative degrees havent definition in the concerned state region

    在非線性系統反饋線性化方法的基礎上,採用了變結構控制,解決了當在所關心的區域內存在相對度無定義的點集時,直接採用反饋線性化方法不能保證系統的穩定這一問題。
  16. Abstract : this paper introduces a method of variable structure control based on the feedback linearization, which can solve the stability problem of the feedback linearization when there are some plots which relative degrees haven ' t definition in the concerned state region

    文摘:在非線性系統反饋線性化方法的基礎上,採用了變結構控制,解決了當在所關心的區域內存在相對度無定義的點集時,直接採用反饋線性化方法不能保證系統的穩定這一問題。
  17. Based on feedback linearization in the nonlinear systems and variable - structure control theory in the linear system, a new nonlinear basic controller is designed

    並應用狀態反饋精確線性化方法與線性系統的變結構控制理論相結合的方法,設計了新型非線性變結構控制器的控制規律。
  18. In this method, the feedback linearization method is used to convert the nonlinear system into the linearized system, for which the tracking controller is designed, by this way, the nonlinear chaotic system can be forced to track variable reference input

    在該方法中,首先採用反饋線性化方法將非線性系統轉化為線性系統,再針對反饋線性化后的線性系統設計軌跡跟蹤控制器,實現被控對象對于連續變化給定信號的跟蹤控制。
  19. The paper advanced current output feedback variable structure arithmetic and eliminated chatting

    本文對現有的輸出反饋變結構控制演算法做了改進,消除了顫振。
  20. The paper finished software design of automatic system in the kind of auv by using output feedback variable structure control method and non - liner variable structure method

    本文應用輸出反饋變結構控制方法和非線性變結構控制方法完成了某型水下航行器自控系統的軟體設計。
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