極值原理 的英文怎麼說

中文拼音 [jízhíyuánlǐ]
極值原理 英文
extremum principle
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  1. Abstract : the paper emphasizes on exoatmospheric antimissile missile rapid reaiming problem, and according to pontryagin ' s maximum principle the optimal control law in the conditions of long miss distance and long elimination time is presented

    文摘:針對大氣層外反導導彈快速重新瞄準問題，在脫靶量和消除它的時間都比較大的情況下，用龐特里亞金極大值原理求出了最優控制規律。
  2. Maximal and minimal value principle of differentiable functions on noncompact complete riemannian manifold

    非緊完備黎曼流形上可微函數的極值原理
  3. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。
  4. Elliptic maximum principle and krein - rutman theory with parabolic maximum principle and operator semigrou

    定理以及拋物極值原理與運算元半群
  5. The paper gave disperse pattern of laplace function under in - uniform grid, which fulfills acceptance character and error maximization theory. it also has fulfills the character of extreme value

    本文在一個不規則網路上離散拉普拉斯運算元的差分格式，不但能滿足相容性及極值原理，而且還具有誤差極少性質。
  6. Based on the results, the eccentrically braced frame has the advantage of higher initial stiffness, load - bearing and energy consume ability. through the limit state analysis principle, the limit load was calculated by assuming the same destroy pattern of braced frame as that in the experiment. comparing the theory limit load with the measured, a good agreement was founded. it shows that the limit state analysis is really a practicable way analysed the reinforced concrete frame braced with eccentric steel

    應用極限分析中的極值原理對偏心角鋼支撐鋼筋砼框架進行極限分析時，首先擬定與試驗結果相一致的結構倒塌破壞模式，然後根據虛功原理建立了結構在極限狀態時極限承載力的計算公式，從所求的權限荷載的理論值與實測值的比較來看，理論計算值與試驗的實測值基本吻合，這說明利用本文擬定的結構破壞模式對偏心角鋼支撐框架結構進行極限分析是一條可行的途徑。
  7. The traditional optimization technique usually combined the fundamental goal of the controller and performance criterion into a single performance index to be minimized by applying technique based on bellman ' s principle of optimality or pontryagin ' s minimum principle. this view of control is designed to obtain the best solution

    傳統的優化技術通常把各種控制要求結合而形成一個單獨的性能指標，應用bellman的最優性原理或者龐特里雅金的極小值原理等使其最小化，從而得到問題的一次性最優解。
  8. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括：交通量的產生根源及一般影響因素分析和當前公路運輸地位討論；從交通分配理論及經典配流方法著手，通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素，初步提出路段交通量的形成機理，並採用效用極大原理和非集結模型理論（ disaggregationmodel ） ，建立用戶出行路徑選擇概率模型；對路段阻抗及路阻函數（尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系）進行較為詳盡的分析，並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型，其中，特別提出了兩種確定客貨車輛時間價值的分析方法；離散分析法和時間-費率轉換法，後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法；對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析；從數學的角度證明合理費率的存在性，並以最優化理論為基礎，建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  9. The maximum principles for a class of nonlinear elliptic equation in divergence form

    非線性散度型方程的極值原理
  10. Design of power system stabilizer based on minimax principle

    基於極大極小值原理的電力系統穩定器的設計
  11. Minimax principle deals with the relation between the minimax value and maximin value of a function

    極小極大原理論述的是函數的極小極大值與極大極小值之間的關系。
  12. Since wear is contradicted with smooth running, a tradeoff optimal objective function was set up and an optimal process control was carried out on the basis of minimum theory

    滑摩功和沖擊度是相互制約的性能指標，本文建立綜合最優目標泛函，根據極小值原理，實行最優控制。
  13. It is difficult to solve the container movement track optimization problem by using general method to solve optimization problem such as minimum value method and dynamic plan. this can be seen clearly through mathematic analysis

    通過對集裝箱運行過程的數學分析可以看出用解決優化問題的常用方法如極小值原理和動態規劃等方法對集裝箱運行軌跡進行優化是困難的。
  14. The second, it is proposed that a foc mentioned above can be modeled with a fast time optimal position control system based on the pontryagin ' s minimum principle, which may become a speed - sensorless time optimal one by using speed estimator

    接著，分析了pontryagin極小值原理，指出用bang - bang開關信號可對上述系統實現最優時間控制，若速度量採用估計，則生成無速度傳感器的時間最優系統。
  15. Based on the theory of reyleigh minimum, the minimum of energy function of neural network was mapped to the eigenvector that was mapped to the minimal eigenvalue of the generalized eigenvalue problem, by which the precise solution of minimal eigenvalue was gained while the neural network moving to the minimum of energy function

    本文應用reyleigh極小值原理，將神經網路的能量函數的極小點對應于廣義特徵值問題的極小特徵值所對應的特徵向量，在神經網路向著能量函數極小點運動的同時得到了極小特徵向量的精確解答。
  16. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧法的基本概念和基本假定，在極限平衡狀態下，推導了兩直線段均質斜坡穩定性安全系數函數表達式，然後根據極限分析理論的極小值原理，利用遺傳演算法，求出了邊坡穩定性安全系數極小值，並得到最危險滑動面的滑弧半徑和滑弧中心坐標。
  17. With the usage of degree theory in [ 1 ], calculating indices of fixed points of compact maps in cones of [ 2 - 10 ] and combining with bifurcation theories [ 11 - 19 ], maximum principles [ 17 ] [ 19 ], lower - upper solutions methods [ 20 - 22 ] and spectrum analysis of operators [ 23 - 24 ], we get some results of the coexistence solutions for modell in the first section. the results can be seen extensions of [ 7 ] [ 23 ]

    利用文獻[ 1 ]中度理論、 [ 2 - 10 ]中錐映象不動點指數方法，並結合分歧理論，極值原理，上下解方法和運算元譜分析等，在文中第一部分討論了其平衡解的存在性，部分推廣了文獻[ 7 ] [ 23 ]的結論。
  18. The new variation of the strong maximum principle for second order fully nonlinear odes is proved by a new method

    摘要用全新的方法證明了新形式的二階完全非線性微分運算元的強極值原理。
  19. So far such problems might not be able to be treated by some standard methods. maybe they will stimulate a general study of linear, semilinear, quasilinear, and nonlinear degenerate elliptic equations

    然後利用fredholm - riesz - schauder理論和極值原理可得原來不帶參數的相應線性問題的適定性及解的高階正則性。
  20. This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition. first of all, the super - sub - solution can be obtained by this positive solution and by the auxiliary condition if perturbation is the positive side of the changed sign perturbation, and then the equation has a positive solution by the method of monotone in teraction and by the maximum principle. because that the positive solution of the equation isnt monotone to parameter. although all of the equations have a positive solution to two given parameters, the existence of the positive solutions of its equation to a parameter between the two given parameters cant be proved. finally, if the first positive solution exits the second solution for the equation can be proved by the mountain pass lemma. 7refs

    討論了帶變號擾動並且具有一定附加條件的臨界橢圓方程的兩個正解存在性.首先由變號擾動的正部對應的方程的正解和附加條件構造出原方程的一個上、下解，再由迭代方法和極值原理得到方程的第一個正解.考慮到方程的正解對參數沒有單調性，因此，即使對于兩個使得方程都有正解的參數，但在這兩個參數之間的參數對應的方程不一定有正解.最後，如果方程存在第一個正解，那麼由山路引理可得到方程的另一個正解.參7
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