optimal control problem 中文意思是什麼

optimal control problem 解釋
最佳控制問題
  • optimal : adj. 最適宜的；最理想的；最好的 （opp. pessimal）。
  • control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
  • problem : n. 1. 問題，課題；疑難問題；令人困惑的情況。2. 【數、物】習題；作圖題。3. （象棋的）布局問題。adj. 1. 成問題的；難處理的。2. 關于社會問題的。
  1. The landing of a helicopter in autorotation is formulated as a nonlinear optimal control problem

    本文將直升機的自轉著陸過程定義為一個非線性的最優控制問題。
  2. 4. the algorithm solving an optimal control problem governed by a semilinear parabolic equation with the control in the coefficients and source term is studied. the strong variational method which presented by mayne to solve the optimal control of lump parameter system is developed to semilinear parabolic optimal control problem

    4 、把由mayne等所提出的用於求解集中參數系統最優控制的強變分法，推廣應用於一類控制變量含于高階導數項系數與源項中半線性拋物型系統最優控制之中。
  3. 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。
  4. The unexistance of a class of stochastic optimal control problem

    關于隨機控制的最佳控制不存在問題
  5. The method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and controls, thus converting the optimal control problem into a nonlinear programming problem. the method is remarkably robust to initial guesses, which is better than traditional method

    這種方法利用了近些年來發展起來的直接優化技術，用分段多項式來表示整個軌道的狀態和控制向量，將最優控制問題轉化為非線性規劃問題來研究。
  6. Predictive control is a form of control in which the current control action is obtained by on - line solving open - loop optimal control problem, and the above procedure is repeated based on new state and out measurements at the next time

    預測控制通過在線求解一個有限時域開環最優控制問題來獲得最優預測控制序列，並將當前時刻的控製作用於對象，在下一采樣時刻基於新的狀態或輸出測量值重復上述過程。
  7. Maximum principle for optimal control problem of fully coupled stochastic system with state constraints

    狀態約束下完全耦合的正倒向隨機控制問題的最大值原理
  8. The problem is then fed to a nonlinear programming routine to solve for all parameters. the flight dynamics model with yawing motion of uh - 60a is given, scale factors of state variables and control variables are applied based on the consideration of algorithm convergence. then, the optimization of trajectories is expressed as optimal control problem with a performance index constrained by helicopter performance limits, faa regulation and so on

    首先，建立帶偏航運動的直升機點質量模型，然後對狀態變量和控制變量進行無量綱處理，因為狀態變量和控制變量量值相差較大，這使得優化演算法收斂效果變差，所以需要選擇適當的縮放因子，最後把直升機單臺發動機停車后的飛行軌跡表示成一個最優控制問題，即在考慮直升機性能限制和far規范后，指定一個優化性能指標，選擇合適的路徑約束，然後再解最優控制問題。
  9. My research concentrates on discretization of model optimal control problem, development of the posteriori error estimator and designment of efficient solver for discrete optimal control problem

    我的研究在於為模型最優控制問題提供離散方案，進行誤差估計以及設計快速求解演算法。
  10. 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
  11. In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined

    在數值解法中，為了減少解決兩點邊值問題共軛變量帶來的困難，主要討論了將狀態變量和控制變量進行參數化的一種直接方法，這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制變量的直接優化方法，然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題，使得迭代初值更加容易選取。
  12. Comparing to linear equtions and quasilinear equations without degeneracy, such equations, to a certain extent, reflect even more exactly the physical reality. therefore, studying the optimal control problem of such equation is more important for practical use

    與線性方程和不具退化性的擬線性方程相比，這類方程更能反映某些物理實際，因此研究由這類方程支配系統的最優控制問題更具有現實意義。
  13. The cost function of the optimal control problem is a weighted sum of the squared horizontal and vertical components of the helicopter velocity at touchdown. the control ( horizontal and vertical components of the thrust coefficient ) required to minimize the cost function is obtained using nonlinear optimal control theory

    其次，定義最優控制問題的性能指標為直升機著陸時的水平和垂直速度的加權平方和為最小，並採用一階梯度演算法得到使性能指標最小的控制規律。
  14. The conclusion which, for a given non - extremal admissible control, another admissible control can be constructed such that the corresponding value of the objective functional decreases is proved, based on the result, an optimality condition is obtained and the strong variational method which solves optimal control problem is presented and the associated convergence result is proved also

    證明了對任一非極值允許控制函數，均可構造另一允許控制函數，使最優控制問題相應的目標泛函值有一下降量。在此基礎上得到了最優控制問題最優性必要條件，並給出了求解該最優控制問題的強變分法及演算法的收斂性結果。
  15. The optimal control problem is considered for bilinear systems affected by external persistent disturbances

    摘要研究具有外界持續擾動作用下雙線性系統的最優控制問題。
  16. By using the approach, the original optimal control problem of bilinear systems with disturbances is transformed into a sequence of nonhomogeneous linear two - point boundary value ( tpbv ) problems

    利用該演算法可將在擾動作用下雙線性系統的最優控制問題轉化為求解一組線性非齊次兩點邊值序列問題。
  17. Chapter 4 introduces the use of weighted least square generalized svm for optimal control systems. weighted least square svm for robust regression estimation is generalized and then used to solve n - step optimal control problem based on the svm. the weights are determined by fuzzy method

    4 .加權ls一svm可以對回歸估計問題實現魯棒估計，把它同基於ls一svm的n步最優控制想法相結合，將其擴展到基於加權最小二乘廣義svm ，並應用於n步最優控制問題，確定加權因子採用了模糊運算的辦法。
  18. This dissertation studies mainly the identification and the optimal control problem in parabolic pdes, including the existence of solutions of state equations and optimal solutions of the optimal control and the identification problems, optimality conditions, the relation between the state functions and the control functions ( identification parameters ), the algorithms of infinite - dimensional optimization problems deriving from the identification and the optimal control problem of distributed parameter system

    本文主要研究拋物型分佈參數系統辨識與最優控制問題，包括狀態方程解和辨識與最優控制問題最優解的存在性、最優性條件、狀態函數與控制函數（識別參數）之間的關系及求解基於辨識與最優控制問題而產生的無窮維最優化問題的演算法。
  19. Abstract : in this paper, the nonlinear optimal control problem connected with the ordinary differential system is considered, two modifications to the standard gradient procedures are constructed. the presented methods are based on the qualitative approximations of the cost functional. for linear - quadratic problems, the modifications have the property of the nonlocal improvement in contrast to the standard gradient procedures. some results relating to the convergence of the new methods are proved

    文摘:討論非線性最優控制問題構造的標準梯度方法的兩種改進方法.文中的方法是以罰函數的有效近似為基礎，與標準梯度方法相比，該方法對于非線性二次問題具有非局部的特點，同時給出相關收斂結果
  20. To solve the optimal control problem, some methods about pre - solver analysis and treatment were put forward, such as moving equations translated into frame of wind and normalized. those methods not only simplified the computation, but also favored the selection of weighting coefficient, and unified the solving methods for the optimal control problem in reachable or unreachable target point

    在最優控制的求解中，提出了向風坐標系轉化、無量綱化等解前分析的思想，簡化了計算，方便了加權因子的選擇，使目標點可達與不可達的翼傘系統歸航軌跡最優控制問題得到了統一的求解。
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