奇異攝動 的英文怎麼說

中文拼音 [jīyìshèdòng]
奇異攝動 英文
singular perturbation
  • 奇 : 奇Ⅰ形容詞1 （罕見的; 特殊的; 非常的） strange; queer; rare; uncommon; unusual 2 （出人意料的; 令...
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 攝 : Ⅰ動詞1 （吸取） absorb; assimilate2 （攝影） take a photograph of; shoot 3 [書面語] （保養） cons...
  • 奇異 : 1. （奇怪） queer; strange; bizarre; odd 2. （驚異） surprising; curious
  1. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下： 1 ）行波的存在性本文利用[ 37 ]中幾何奇異攝動理論，通過仔細分析= 0時的快流、慢流，驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道，先在f為凸的條件下嚴格證明了（ ）存在連接不相鄰的鞍點、結點的行波（ a2 ） ；然後在地f有界的條件下得到（ ）存在連接鞍點（包括相鄰和不相鄰）的粘性沖擊波c ，彌補了[ 11 ]缺少嚴格證明的不足，並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  2. The boundary value problems of singular perturbation with boundary layer at turning points are discussed. the asmptotic expansion are constructed. and the uniformly valid asmptolic estimation is obtained

    主要討論了在轉點處出現邊界層現象的奇異攝動邊值問題，構造了形式級數解，得到了一致有效的漸近估計
  3. In this chapter, the stability judgements are proposed for the sps in four conditions respectively. they can offer the upper bound of the dead - time and the perturbed parameter. an application example shows that the judgements are easy to use

    本章通過對一類奇異攝動時滯不確定系統的研究，給出了該類系統在四種情況下出現參數范數有界攝動時保證系統穩定的時滯t和奇異攝動參數。
  4. Numerical approximation for a singularly perturbed problem by equidistributing

    用等分佈原理求解一類奇異攝動兩點邊值問題的數值演算法
  5. A finite element solving the elliptic fourth order singular perturbation problem need to be a convergent plate element and to be convergent, uniformly with respect to the parameter e

    數值結果表明此元有較好的收斂性。求解四階橢圓奇異攝動問題的有限元應是收斂的板元，並且要關于（
  6. Theconvergence towards the weak solution is proved for one - dimensional space with initial and boundaryconditions by using some subtle techniques such as the estimate of spatial derivative, perturbationtheory and weak compactness

    通過使用對空間導數的估計、弱緊性和奇異攝動理論證明了有限元方法的收斂性。
  7. The author built the dynamics model of its constrained motion with frictional contact, and its moving stability is analyzed by singular perturbation theory

    提出了管道內受限微機器人運動的動力學模型，並根據這一模型利用奇異攝動理論對微管道機器人管內運動穩定性進行了研究。
  8. Based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    為滿足實際作戰的要求，基於最優控制理論和奇異攝動方法，提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制，最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響，提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明，該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  9. Abstract : based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    文摘:為滿足實際作戰的要求，基於最優控制理論和奇異攝動方法，提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制，最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響，提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明，該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  10. In this paper. the question of compound guidance about mid - long range air - to - air missle to be considered. the main contributions are as follows : first, two midcourse guidance laws are given. that is optimally predictable pn micourse guidance, which is suitable for middle range missle, and singularly perturbed midcourse guidance. which is suitable for long range missle guidance ; then two terminal guidance laws are given. that is variable structure guidance, which is suitable for passive radar guidance. and optimal guidance which is suitable for active radar guidance ; and then the error sourses of hand - off are researched, the hand - off law is given at the time ; fmally, the midcourse guidance laws and terminal guidance laws are tested by simulation, and the whole trajectory simulation are given through hand - off law, and the results are satisfied

    主要工作如下：首先研究了用於中遠程空空導彈復合制導的兩種中制導律，即用於中程導彈的最優預測比例導引中制導律和用於遠程導彈的奇異攝動中制導律，它們均有很好的中制導性能，能夠滿足中末制導的交班要求；接著研究了兩種末制導律，即用於被動雷達末制導的變結構制導律和用於主動雷達導引頭的最優末制導律，均適用於復合制導末制導段；然後分析了中末制導的交班誤差源，討論了用於復合制導的交接律；最後通過模擬，驗證了提出的中制導律和末制導律，結合提出的交接規律，在不同的情況下對中末制導段彈道進行了模擬驗證，結果證明文中提到的中末制導律能夠達到性能指標要求。
  11. But now, as a result of chinese government ' s continuously supporting of scientific researches, and outstanding mathematicians such as ni ming - kang have returned from abroad, the research of singular perturbation is becoming active again at our university and in china

    到了21世紀，隨著國家大力實施科技興國，倪明康在俄羅斯苦學12年回國成為新一代的學術帶頭人，奇異攝動理論研究在我校和我國開始了復興之路。
  12. In the control scheme using neural network, the control of flexible manipulator is separated into angle - following control of slow subsystem and vibration - suppressing control of fast subsystem based on singular perturbation and time decomposition. moreover, the paper discusses the structure and the algorithm of neural network plus fuzzy pd control of tip vibration. finally the performance of designed methods is validated by simulation

    對于神經網路控制，首先根據奇異攝動和兩時標分解，將柔性連桿機械臂的控制分解成等效剛性臂慢子系統的角跟隨運動控制和快子系統的消振控制，論文給出了神經網路+末端振動模糊pd控制的結構和計演算法，並通過實驗研究驗證了提出設計方法的性能。
  13. The singular perturbation solution for a class differential equations with turning points

    具有轉向點的一類微分方程的奇異攝動解
  14. A singular perturbation theory for the study of newtonian dynamical behaviour of kink

    扭結孤子牛頓動力學行為的奇異攝動理論
  15. Necessary conditions for invoking the singular perturbation theory in the theory of the pebs method

    法理論中應用奇異攝動理論的必要條件
  16. The flight state variables are separated into fast and slow variables in terms of perturbation theory

    根據奇異攝動理論將受控狀態變量分為快變量和慢變量，然後根據非線性動態逆理論分別對內環和外環進行設計。
  17. Considering these problems, a control strategy, which does not need additional sensors and takes on robust perfornance for time - invariable elastic modulus, is applied using singular perturbation theory

    針對這些問題，利用奇異攝動理論，提出了一種不需要附加傳感器，並對時變彈性模量具有魯棒性的控制策略。
  18. 2 ) based on the maxwell equations of nonlinear media, high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory, and the suitable application range is presented

    2 ）利用奇異攝動多重尺度導數展開法，從非線性介質中的maxwell方程組出發，導出了包含高階攝動項的同一光波不同偏振分量的耦合高階非線性薛定諤方程，並給出了其適用范圍。
  19. On the other hand, quite a number of practical systems with numerous dimensions may have some fast variables taking on singular impulse characteristic, such as electric power system, control system of rolling mill assembly, biochemical process, nuclear reactor, control system of airplane and rocket, and chemical diffused reaction, etc. so, it is important to study the problem of robust control of singular system i n the domain of control theory

    一般這些不確定性並非不可度量的，通常能給出這些不確定性大小的某種約束，魯棒控制理論正是處理系統模型具有不確定性的有效方法。另一方面，在大多數維數很大的實際系統中，都有呈現奇異攝動特性的快變變量，如電力系統，冷軋機的工業控制系統，生物化學過程，核反應堆，飛機和火箭系統，以及化學擴散反應等。
  20. Robust stability of a kind of singularly perturbed systems with time - delay

    一類奇異攝動時滯不確定系統魯棒穩定性
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