次最優控制 的英文怎麼說

中文拼音 [cìzuìyōukòngzhì]
次最優控制 英文
suboptimal control
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 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...
  • 最優 : optimal; optimum最優策略 optimal policy; optimal strategy; 最優設計 optimum design; 最優值 optima...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Thirdly, it outlines research on mechanism of adjusting iwt supply and its countermeasures to chinese iwt fleet. the study on applying production function to quantitate transportation capacity is advanced. by using the theory and method of optimum control to dynamic system, a model of adjusting transportation capacity by regulative fund is established for the first time

    第三部分研究了內河運輸供給調控的機制和現階段中國內河運力供給調控的思路與對策；提出並研究了用生產函數模型定量描述運輸能力的方法；運用動態系統最優控制的理論與方法，首次提出並研究了基於調控基金投放的運力供給調控模型。
  2. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  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. ( 3 ) the theory of morden optimal control is used for the controller design of the active vibration isolation system. two algorithms, instantaneous optimal control and linear quadratic gauss optimal control, have been discussed and compared. an instantaneous optimal closed - loop control algorithm in structural space is derived by using the newmark scheme

    （ 3 ）應用最優控制理論設計控制器，對瞬時最優控制和線性二次型gauss （ lqg ）閉環控制方法進行研究和對比，並導出構形空間內的瞬時最優閉環控制演算法。
  5. There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example

    本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究，主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧阻尼器兩種控制器做了理論原理和作動器構成上的探討，並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的有效性。
  6. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中，首先對船舶的簡化模型建立了動力學方程，然後採用線性二次型最優控制方法，編寫程序並計算出船體垂向振動固有頻率和最優反饋矩陣，得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。
  7. 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。
  8. For the nonlinear two - point boundary value problem with both time - delay terms and time - advanced terms driven by the optimal control theory, we build a sequence of nonhomogeneous linear two - point boundary value problems according to the successive approximation approach of constant differential equation

    再利用常微分方程的逐次逼近法，將由系統的最優控制問題得到的即含有時滯項又含有超前項的非線性兩點邊值問題化為非齊次線性兩點邊值問題族。
  9. For a nonlinear system with time - delay, the optimal control problem based on quadratic performance indexes is usually transformed to a nonlinear two - point boundary value problem with not only time - delay terms but also time - advance terms. therefore, this kind of optimal control problem is especially difficult to be solved, no matter exact solutions or numeral solutions

    對于帶時滯的非線性控制系統，其基於二次型性能指標的最優控制問題往往轉化為一個既有時間滯后項又有時間超前項的非線性兩點邊值問題，因此解決這一類控制問題尤其困難，不論是求其精確解還是數值解。
  10. The optimal control of second order integral system was discussed

    摘要討論了二次積分系統的時間最優控制。
  11. By using successive approximation approach, the feedforward and feedback optimal control law is presented, and a disturbance observer is designed to make the optimal controller physically realizable

    採用逐次逼近演算法給出了系統前饋反饋最優控制律的設計方法，利用擾動觀測器解決了最優控制律的物理可實現問題。
  12. The electro - hydraulic proportional control law is given. the laws of tracking control of displacement and speed of aircraft as well as tracking control of angle and angular speed of belt wheel are designed by means of state feedback linearization and quadratic performance index linear optimal control method. the robustness of the designed systems is analyzed, and arresting processes are simulated

    給出了電液比例控制規律；利用狀態反饋線性化及二次型性能指標線性最優控制方法分別設計了系統跟蹤控制飛機位移與速度以及跟蹤控制帶輪轉角與角速度的非線性控制規律；對所設計的攔阻系統進行了魯棒性分析及攔阻過程模擬，模擬結果表明，通過選取適當比例系數或控制權系數，兩種控制系統的控制效果及魯棒特性均優于新型飛機攔阻系統。
  13. The method of fuzzy modeling can be taken as a good candidate of this problem in this thesis, the inverted - pendulum system is firstly analyzed by using t - s fuzzy model due to its property of arbitrary approximation for the non - linearity. based on the parameters identification, simulations of system are made by using fuzzy logic toolbox of matlab. the results of comparison with lq approach show the performance improvement in the aspects of overshoot and fast response

    本文首先利用模糊模型的非線性逼近能力，採用t - s模糊模型對小車-倒擺控制系統分析並實現了該系統的模糊建模及模糊模型各部分參數的辯識，在matlab模擬環境下藉助其模糊邏輯工具箱進行了系統的模擬，與採用線性二次最優控制的系統模擬結果進行比較，改善了系統超調量及快速響應性。
  14. An instance indicates that the proposed approach can find the optimal control more effectively than general approach and can minimize the reactive power through the transformer and the deviation of the secondary bus voltage. it also increases the margin of appropriate voltage in the second side

    模擬結果表明，所提演算法較傳統方法能更有效地搜索到最優控制策略，使主變中流過的無功功率及主變二次側電壓偏移最小，增加了二次側電壓合格裕度。
  15. A perturbation guidance technique is then used ; the equations of motion in the longitudinal channel are linearized around the nominal trajectories and linear quadratic control laws are developed on the deviation of the aircraft states from these nominal values

    本文針對飛機的時變非線性縱向動力學模型，沿給定的起飛軌跡建立小擾動線性化方程，通過線性二次型最優控制使飛機沿給定的起飛軌跡飛行。
  16. ( 3 ). linear quadratic regulation method is used to design the optimal feed back controller for the composite material structures with the piezoceramics embedded

    （ 3 ） .對壓電復合智能材料結構設計了線性二次型最優控制器。
  17. Singular optimal control problem of discrete - time singular systems with linear - quadratic cost

    有限時間離散奇異系統的奇異二次型指標最優控制問題
  18. The optimal control for linear generalized system based on target function of linear quadric form

    基於二次型性能指標的廣義線性系統的最優控制
  19. In chapter 5, considering an ac / dc system that includes two dc lines. based on feedback linearization in the nonlinear systems and linear quadratic optimization control theory in the linear system, two new nonlinear additional controllers are designed in the same time

    第五章針對包含兩條直流傳輸線路的交直流互聯系統，採用狀態反饋精確線性化方法與線性系統的二次最優控制相結合的方法，同時設計了兩條直流線路的非線性附加控制器。
  20. Numerical solutions of lq control for time - varying systems via symplectic conservative perturbation

    線性時變系統二次最優控制問題的保辛近似求解
分享友人
分享到 Line

分享到臉書