無條件穩定的 的英文怎麼說

中文拼音 [wútiáojiànwěndìngde]
無條件穩定的 英文
unconditionally stable
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 無條件 : unconditional; without preconditions; unreserved
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. In the light of the recent work in biological models, especially in the chemostat models, the dissertation provides a systematic study on the asymptotical behaviour of some chemostat models built by delay or diffusion differential equations. the main contents and results in this dissertation are as follows : i ) the global asymptotic behavior of the chemostat model with the beddington - deangelies functional responses and time delays is studied. the conditions for the uniform persistence of the competing populations are obtained via uniform persistence of infinite dimensional systems

    本論文基於當前生物學模型，特別是恆化器模型的研究現狀，深入系統的研究了時滯和擴散方程描述的幾類恆化器系統的漸近性態，本文的主要內容包括以下幾個方面：一、研究了具有beddington - deangelies功能性反應函數的時滯恆化器模型，利用無窮維連續動力系統的一致持續生存的理論給出了兩競爭種群一致持續生存的充分條件，利用單調動力學系統得到了系統的全局漸近穩定性。
  2. Our results imply that mutual interference in a species may result in coexistence of the two competing species and demonstrate that those time delays do not influence the competitive outcome of the organisms. ii ) the asymptotic behaviour of the chemostat model with mutual interference or without mutual interference is studied. for the two models with delay, the uniform persistence of the models are both proved under the conditions of the existence of the positive equilibrium

    二、研究了無種內競爭和有種內競爭的具有階段結構的時滯恆化器模型的漸近性態，對于兩類模型，都在正平衡點存在性的條件下證明了該系統的一致持續生存，對于兩類相應的常微系統的模型，均在正平衡點存在性的條件下證明了該正平衡點的全局穩定性。
  3. This thesis also studies the stability of a delayed control system with one driving leg mainly base on the classic theory on delay stability switches

    對第二個系統，發現零時滯穩定性是保證系統時滯無關穩定的最佳充分條件。
  4. Under no excess pbo flux environment, the perovskite phase of pmnt single crystals were more stable than that of pznt, but it was found to be the decomposition of perovskite crystals into pyrochlore crystals at 1250. the pure perovskite pznt crystals prepared by the pbo flux method were thermodynamically metastable

    在無pbo條件下pmnt晶體較pznt晶體穩定，但在1250附近的高溫下會發生向焦綠石相的分解反應； pznt單晶體是亞穩定的，在高溫時亦分解生成焦綠石相和pbo 。
  5. By these new control charts, the steady control limits are able to build when the production begins, the problem is solved that the appropriate control limits are hard to be built by using the traditional shewhart control chart in small batch production environment because enough data can not be acquired

    這種控制圖可以在生產過程一開始就根據給定的條件建立起穩定的控制界限，從而解決了傳統的休哈特控制圖應用在小批量生產條件下數據量不足，無法建立起合適控制界限的問題。
  6. Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )

    本文沿著理論研究與工程實際相結合的設計思路，較為系統和全面的研究了非線性模型預測控制理論，提出改進新演算法；探討了非線性模型預測控制理論在自主水下航行器控制系統設計中的應用，豐富和發展了模型預測控制理論，本論文的主要工作及意義有以下幾個方面： 1 ）從工程應用的角度研究有限域無終端約束廣義預測控制穩定性充分條件，為有約束廣義預測控制穩定性研究奠定了基礎。
  7. Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved

    6公里的雪峰山隧道工程，首先介紹了隧道支護結構的常用分析計算方法；然後通過對隧道施工過程中，洞室穩定性與支護結構相互作用機理的深入分析，建立了隧道施工過程的空間計算模型，提出了採用三維彈塑性有限元-無限元耦合的數值計算方法，綜合分析了隧道在不同圍巖特性和圍巖類別條件下，以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響，從而解決了通用有限元方法難以解決的隧道三維無限域問題；其可充分發揮有限元法在分析非線性方面的有效性和成熟性，以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性，為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。
  8. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手，剖析了剛體極限平衡方法的3點自身缺陷和6點不足，並在此基礎上採用了剛體極限平衡法（平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法）與大型有限元法對比研究的方法，分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數） 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。
  9. The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure and a dynamic load identification method by the modal respondence is proposed

    採用無條件穩定的精細逐步積分法求解結構的模態動力學微分方程，構造了通過結構的模態響應直接反求荷載列陣的迭代演算法。
  10. ( 8 ) six branches of the flow in a rotating square duct are obtained. the limited points of every branch are different for different dean number. an eight - vortex phenomenon is also found

    （ 8 ）對于正方形截面的分叉問題，本文得到六種無條件穩定和對稱穩定的流動分支， dean數不同，流動分支的極限點不同，發現正方形截面最多可以存在八個渦。
  11. This paper studies nonlinear dynamic problems of tall building structures, first, constitutes linear dynamic equation and elasto - plastic dynamic equation of structure by using qr method, later, solves the dynamic equation by using spline unconditional stable algorithm, last, programs corresponding computer programs with c program language, and calculates some example and a tall building in constructing the courses and the results prove that qr method is not only simple in calculating and fast in constringency rate, but also precise, that qr method is a effective and economic new method

    本文研究高層建築結構彈塑性動力問題，先利用qr法建立了結構線性動力方程及彈塑性動力方程，然後利用樣條無條件穩定演算法求解了動力方程，最後利用c語言編寫了相應的計算程序，計算了一些例題和分析了一個工程實例。 qr法在理論上及方法上不用有限元法及流動法則，避免了這些傳統方法在分析非線性問題時所帶來巨大困難的缺陷。計算結果表明，這種方法不僅計算簡便，而且精度高，收斂速度快，是一種經濟有效的新方法。
  12. In order to solve the static, dynamic and material nonlinear problems of mega - frame structure, this paper analyzes mega - frame structure by qr - method and sets up a new computational form. in this paper, the author adopts the method of repeated increment and no limit stabilization to handle t he elastic - plastic rigid equation and dynamic equation

    然後，利用qr法對巨型框架結構進行分析，解決該結構的靜力、動力及材料非線性問題，利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程，建立了高層巨型框架結構分析的新的計算格式。
  13. Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic

    本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題，先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程，進行桁架拱內力分析，建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程，然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。
  14. In the models, the time dependent parabolic equations, deduced from the mild slope equations with currents or not, are used as the governing equations. based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift, the boundary conditions for the present models are treated. the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable

    在建立模型時，將原始的橢圓型緩坡方程的近似型式? ?依賴時間變化的拋物型方程，作為控制方程；從將開邊界條件、不同反射特性的固壁邊界條件相統一的表達式出發，對邊界條件進行處理；用adi法數值求解控制方程，格式無條件穩定；節省了計算機內存和計算量。
  15. At first, the author establish the linear and geometric nonlinear static equation on the base of rigid equation of element by qr method and analysis the inner force of spatial lattice structures, and establish the linear and material nonlinear dynamic equation and solve these equations by the method of no limit stabilization

    建立網殼結構的線性靜力方程和幾何非線性靜力方程，進行了靜力性能分析；建立線性動力方程和材料非線性動力方程，用樣條無條件穩定演算法分別對其進行求解。
  16. In the fourth chapter of the thesis, a study is made of the equation of interest rate - amount of circulating fund with infinite impulse disturbance in an open network. as far as linear and non - linear impulse disturbances are concerned, the conditions on which the system still remains stable under impulse disturbance and the conditions on which impulse disturbance leads to the changes of the stability of the system are discussed

    本文第四章研究了開放網路中具有無限次脈沖擾動情形的利率?流通量方程，對于線性以及非線性脈沖擾動，本章都給出了脈沖擾動下系統仍然保持穩定的條件以及脈沖擾動引起系統穩定性改變的條件。
  17. With american participants. however, when mother as the target, the trait summery can also activate the inconsistent episodic memory on high, medial or low descriptive degrees, which is different to american results. from the angle of scope hypothesis, this study verifies that to chinese, the role of mother is similar to the role of self on the memory level, which suggests that chinese self - schema may include mother

    結果發現，當參照條件為自我時，無論特質的描述程度如何，特質概要都存在，並啟動了不一致的情節記憶，該結果與klein等人有關美國被試的結果類似當參照條件為母親時，中國被試在高中低描述程度下依然存在穩定的特質概要並啟動了不一致的情節記憶，這一結果與美國被試的結果有所不同。
  18. We firmly believe in the benefits of education as a means to improving trading ability, and so through this site we offer clients a wide variety of trading courses

    所有的停損、限制及輸入盤都保證無滑價，但極端不穩定的市場情形除外。所有的報價和交易都服客戶協議的條款暨條件，客戶協議通過網站就可以得到。
  19. For locally asymptotical stability and globally asymptotical stability of the disease - free equilibrium and the endemic equilibrium, sufficient conditions are obtained for this model

    通過分析，得到了地方病平衡點存在的閾值，以及無病平衡點和地方病平衡點局部漸近穩定和全局漸近穩定的充分條件。
  20. Based on adaptive control theory, respectively study the system consisting of non - redundant robots and the system made up of redduant robots, proposing classes of adaptive control strategies for trajectory tracking and internal force tracking of robot manipulators with uncertainties. though the controller for the system consisting of nonredduant robots dot not satisfy the condition persistent - exciting, it guarantees the system be stable ; for the system consisting of redduant robots, firstly we derive a new dynamic equation based on the manifold embedding theory in geometry, then design a controller without solving the represser of the system

    對于非冗餘的具有參數不確定性的多個機器人系統，給出了一種自適應控制器的設計法，此控制器保證即使系統不滿足pe條件，系統的內力軌跡仍漸進穩定；對于冗餘的機器人系統，利用微分幾何中的流形嵌入理論推導出一種新的機器人動力學方程，利用此方程設計出一種無須求系統回歸矩陣的控制器，從而提高了系統的運算速度。
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