文定性理論 的英文怎麼說

中文拼音 [wéndìngxìnglǐlún]
文定性理論 英文
theory of stability
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 理論 : theory
  1. In this master dissertation, under the fundamental frame of general relativity, we study the tachyon inflation, d - stars in the spacetime with a nonzero cosmological constant and it ' s observable effects by using some modern mathematical methods such as differential equation and qualitative analysis

    本文以廣義相對論作為基本理論框架，使用微分方程及其定性理論，研究了宇宙演化和結構中的兩個問題，其中包括了快子暴漲，非零宇宙常數時空中的d星以及它的種種可觀測效應。
  2. This thesis constructs a series of differential equation models reflecting the interest rate changes in the financial system for various financial backgrounds. it also studies the laws of changes of interest rate and the stability of financial market by applying the stability theory of differential equation

    本文在各種不同的金融背景下，建立了一系列反映金融系統利率變化的微分方程模型，並應用微分方程穩定性理論研究了金融市場利率的變化規律及其穩定性。
  3. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通量微分方程模型，證明了各結點利率加權和為常數即金融市場利率均衡原理，以及各結點利率極限為整個網路平均利率；其次在各結點基本利率不相同的情況下，建立了非齊次利率?流通量微分方程模型，證明了金融網路各結點利率加權和仍是一個常數，並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差；此外，還研究了開放金融網路利率?流通量方程模型，考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律，用lyapunov穩定性理論證明了模型均衡解的穩定性；最後，還研究了具有時滯的金融網路利率?流通量方程模型，並給出了具有時滯金融網路的利率流通量方程具有周期解的充要條件。
  4. Theory of stability

    文定性理論
  5. In order to be better used in faults simulation and analysis, the accurate of model needs to be improved. the research of marine diesel engine generator system simulation includes modeling and simulation results " analysis. based on mechanism of the marine diesel engine power system, and according to the marine power system of yunhe vessel, this dissertation sets up a simulation model of yunhe generator system

    由於船舶電力系統模型是輪機模擬器中電站部分的核心，為了使建立的模型精度更高，更具有系統故障模擬和分析的準確性，本文從船舶柴油發電機系統的機理出發，應用電力系統穩定性理論，結合雲河輪電力系統，在matlab軟體平臺上，建立了雲河輪柴油發電機系統的模型，並對該系統進行了模擬運行和分析。
  6. And based on the consideration of the impacts of the drum end plate, surface rope slot and quality change of the wire ropes, the paper has deduced the theory calculation formula of the drum stability

    同時，基於該結論在綜合考慮捲筒端板、表面繩槽和鋼絲繩變質量等因素的影響，利用薄殼武漢理工大學博士學位論文力學推導出了捲筒穩定性理論計算公式。
  7. This optimal scheme shall be applied to business practice, which can prove the feasibility of the models. this paper adopts some theories of economics, quantitative economics, marine management etc. to study the optimization of container service

    本文運用經濟學、計量經濟學、航運管理理論等知識，以定量與定性、理論與實際相結合的方法較系統地研究了集裝箱班輪航線優化這一課題。
  8. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  9. This paper considers the ilc from an adaptive control viewpoint. two kinds of new algorithm are proposed for ilc of essential nonlinear systems, which avoid some drawbacks and restricted assumptions of traditional ilc, based on lyapunov stability theory and backstepping technique of nonlinear system

    本文利用自適應理論設計迭代學習控制，基於lyapunov穩定性理論，結合本質非線性系統的backstepping設計方法，提出了兩類本質非線性系統的迭代學習控制新演算法，這些演算法克服了傳統迭代學習控制的許多缺陷，放鬆了傳統演算法的一些限制性假設。
  10. The characteristic of deposit layer and terrane landslide is described from theory to practice. as far as dahuangtian landslide in wangliang highway in chongqing, from the engineering geologic condition to construction factor, the main factor and the stability of landslide are analyzed in detail. the engineering control measure on dahuangtian landslide are explained in detail according to construction practice

    本論文理論與實踐並重，在研究堆積層、巖層滑坡特徵和滑坡穩定性理論計算方法的基礎上，以重慶市萬梁高速公路的大荒田路塹式巖層順層滑坡為分析對象，從該滑坡的工程地質條件出發，結合具體施工擾動因素，分析了影響滑坡穩定性的主要因素，對滑坡的穩定性作了細致分析，並根據施工實踐對大荒田滑坡具體的工程綜合治理措施作了較全面的說明。
  11. At fist, this paper expounds the theory foundation of the medium and small enterprise cluster by economics theory, such as trading cost, uncertainty and regional economics, management theory, such as enterprise network theory and new competition economics

    本文首先運用交易費用理論、不確定性理論、區域經濟學等經濟學知識和企業網路理論、新競爭經濟理論等管理學知識來闡述中小企業集群的理論基礎。
  12. Based on the existed results, this paper considers two kinds of simultaneous cases, that is time - delay and uncertainties, to get the solution of uncertain lurie time - delay system by means of lyapunov stability theory and lmi toolbox. at the same time, the robust absolute stability conditions and the design method of robust controllers of lurie direct - type and indirect - type delay systems are given

    特別地，在已有文獻的基礎上，考慮實際工業過程系統中存在的時滯與不確定性情況，基於lyapunov穩定性理論，採用線性矩陣不等式這一有效的工具，分別給出lurie直接型與間接型時滯系統的魯棒絕對穩定性條件和穩定化控制器的設計方法。
  13. It is necessary to design robust controllers based on the normal plants so that the controlled systems have satisfactory properties by considering the existence of uncertainties. based on lyapunov stability theory, geometry theory for nonlinear systems, dissipative theory and etc, the robust hk control for uncertain nonlinear systems and the reliable h control problem of uncertain nonlinear systems are studied, and the control laws are proposed correspondingly for several typical nonlinear systems in this paper. the robust controller design methods are presented and the proposed method is applied to design the control system of lift feedback fin stabilizer by considering the linear model, nonlinear model and coupled nonlinear model of ship motions

    本文研究了不確定非線性系統的魯棒控制問題，以lyapunov穩定性理論、非線性系統幾何理論、耗散理論等為基礎，對非線性系統的魯棒h _控制、非線性系統的魯棒h _可靠控制進行了深入的研究，針對幾類典型非線性系統，提出了相應的魯棒控制方法，對于升力控制減搖鰭系統（本文中簡稱為力控鰭系統） ，考慮船舶運動的線性模型、非線性模型和非線性耦合運動模型，提出了相應的控制方法。
  14. The study on the stability switches of functional differential difference equations is an important research branch of the stability theories, which of both the theory and its applications has broad prospects. the first part of this paper, chapter 2 and 3, deals with the stability switches for two classes of retarded differential difference systems, respectively. by analyzing the characteristic roots of characteristic equations, some algebraic criteria of stability switches are established, which are useful and easy to verify

    穩定性開關是泛函微分方程穩定性理論中的一個重要分支，無論是理論本身還是它的應用都有廣泛的前景，本文的第一部分（第2章、第3章）分別討論兩類二階滯后型微分差分系統的穩定性開關，通過分析特徵方程的特徵根，我們給出了存在穩定性開關現象的實用而又易於驗證的代數判據，並利用計算機模擬驗算了一個具體例子。
  15. In the latter, the non - linear dynamic stabilities of the single rotor system with a crack are researched. the non - linear differential equ ations have periodic coefficients. and using the stability theory of the periodic motion, it is discussed that the thickness of the disk, the position of the disk and the position of the crack have effects on the dynamic stabilities

    首先簡單討論了含裂紋的單盤轉子系統的線性動力穩定性，並與相關的文獻作出比較，驗證了等效線彈簧模型的正確性和精確性；然後，討論了含裂紋的單盤轉子系統的非線性動力穩定性，得到了一組具有周期系數的非線性微分方程組，且利用周期運動的穩定性理論進行了求解，深入討論了盤的厚度，盤所處的位置和裂紋所處的位置對轉子系統動力穩定性的影響。
  16. The theory and method of the partial stability are applied to the state feedback stabilization of uncontrollable systems. therefore a new method for stabilization of uncontrollable systems is established

    摘要關于不能控系統的狀態反饋鎮定問題，經典的提法是假定其不能控子系統是漸近穩定動。由於變數代換的原因，該條件沒有明確的實際意義，不便於應用。本文利用部分變分穩定性理論建立新的解法。
  17. Some problems related to crack stability of concrete dams in the field of dam monitoring are studied in this dissertation using theories and mathematics such as chaos theory, fractal geometry, artificial neural networks, grey system theory, motion stability theory, catastrophe theory, and so on

    本文應用混沌理論、分形理論、人工神經網路、灰色系統理論、運動穩定性理論、突變理論等理論和方法，對大壩安全監測中有關裂縫穩定性的相關問題進行研究。
  18. The main factor and the judgement method of landslide stabilty are analyzed in the paper. the use condition and calculation process of landslide stability theory on circular arc slide plane, single plane slide plane, fold slide plane and bishop slice method are expounded in the paper. the calculation evaluation of landslide stability and the calculation of landslide thrust are also descibed in detail

    論文分析了影響滑坡穩定的主要因素和滑坡穩定性的判斷方法，重點對圓弧形滑動面、單一平面滑動面、折線形滑動面、 bishop條分法等不同滑坡模式的滑坡穩定性理論計算方法的使用條件和計算過程作了詳盡的闡述，對滑坡穩定性計算評價和滑坡推力計算進行了詳細說明。
  19. Starting from job analysis, this dissertation refers to the available qualitative research findings and summarized the specialties of knowledge work. the highly reliable, commonly used position analysis questionnaire ( paq ) is expanded into an " employee productivity questionnaire " which was used to investigate various positions in different work units

    本文借鑒對體力工作者生產率研究經驗，從工作分析方法著手，參考現存的定性理論成果，總結出知識工作特性，並採用具有較高信度和通用性的paq問卷作為調查的藍本加以改造，形成了能反映知識崗位特徵的《企業員工生產率調查問卷》 。
  20. ( 5 ) using the method apd, it select a new drive signal s = x1 - cx3 to synchronize the response system, the theory analysis and numerical simulation results show that it can synchronize two hyperchaotic systems completely with the drive signal s = x1 - cx3, comparing with the method of selecting signal in literature [ 114 ], with the drive signal s = x1 - cx3, it can shortens the transient period of synchronization ( 6 ) using the outside standard signal to control 4d oscillator hyperchaotic system, basing on the stability theory, constructing the following lyapunov function it gets the controller as following : the theory analysis and numerical simulation result show : using the controller above, it can control the system to reach any desired stable point and period orbit

    （ 5 ）採用apd方法，選取新的驅動信號s x1一ex來同步響應系統，理論分析和數值結果表明：採用本文的驅動信號可以使兩個超混飩系統同步，和文獻1141相比，採用本文的驅動信號可使同步暫態過程更短。歷）利用外部標準參考信號個和o來控制振子超混燉系統，基於穩定性理論，通過構造l ） apunov函數， kgb （ xz4l4 ） 『 n ） l小t4 xzcko k0卜ro 』十個n xsn n一大0 『得到控制器表達式如下： u ； zr zr 。 （ 1 b ） 』 x 。
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