lyapunov s 中文意思是什麼

lyapunov s 解釋
李雅普諾夫函數
  1. Control of chaotic synchronization based on lyapunov ' s direct method

    基於李亞普諾夫直接法的混沌同步控制研究
  2. W. dixon, d. dawson, a. behal and s. nagarkatti, nonlinear control of engineering systems : a lyapunov - based approach, springer, 2002

    胡躍明，非線性控制系統理論與應用，國防工業出版社， 2002 。
  3. The research and application of chaos synchronization based on lyapunov ' s stability theorem

    穩定性定理的混沌同步研究與應用
  4. According to based on lyapunov ' s mathematical definition of probabilistic stability, the cwr probabilistic stability criterion is proposed on the basis of the first - passage probabilities of stochastic processes

    基於李雅普諾夫意義的概率穩定性概念，結合隨機過程跨越理論，提出了無縫線路概率穩定性判斷準則。
  5. Then r / s analysis, phase space reconstruction of the system, chaos analysis and fractals analysis are done through matlab program, based on original data of hushen stock markets compositive index from year 1991 to year 2002. and the author draws a conclusion based on original data that china ' s stock market obeys low - dimension fractals and ebb - chaos in terms of the experimentation result : hurst exponents are between 0 and 1, memory cycles are obvious, lyapunov exponents are more than zero and chaotic attractors correlative dimensions are between 2 and 3 in hushen stock markets in this thesis the concept information noises is put forward. stock market information about policy and company of the last ten years is packed up and classified for regulators make decisions in terms of power the factor influences the stock market index

    之後文章以中國股市1991年至2002年上海和深圳綜合指數每日收盤價原始數據為研究對象，在matlab程序實驗條件下，進行了兩地股市系統的r / s分析、系統相空間重構、混沌分析、分形分析；獲取了兩地股市系統的赫斯特指數（滬深股市赫斯特指數均大於0 . 5而小於1 ） 、非周期記憶循環周期（滬深股市都有明顯的記憶循環周期） 、最大李雅普諾夫指數（兩市都大於0 ）和吸引子的關聯維數（兩市都在2到3維之間） ；從而得出中國股市系統是低維分形的、弱混沌的（基於原始數據）結論。
  6. ( 3 ) a modified chua ' s circuit is proposed and a circuit implementation is also designed. dynamics of this modified chua ' s circuit are numerically studied and its lyapunov exponents are also calculated. ( 4 ) a resistance - coupling method for designing new chaos generators by taking use of existing chaos generators is suggested, several new chaos generators realized by this way are studied and their dynamic are compared to those of original chaos generators, their lyapunov exponents are also calculated

    （ 4 ）提出了一種構造新的混沌或者超混沌模型的電阻性混沌模型耦合方法，並且給出了用此方法構造的幾種新的混沌吸引子，對所構造的新的混沌os吸5吁進行了數值研究，贈了其李雅普諾夫指數，將耦合形成的新的混飩吸引子與耦合之前的混飩吸引子進行了對比頒。
  7. In section one, we get the boundedness in terms of two measures for impulsive hybrid systems using lyapunov ' s direct method

    1主要利用lyapunov直接方法得到脈沖混合系統的關于兩個測度的有界性結果； 53
  8. Sometimes, we can not choose a proper lyapunov function that satifies theory ' s conditions, but we can consider its perturbed systems and can use sevsral lyapunov functions to study the systems

    有時，我們不能選取到一個恰當的lyapunov函數滿足定理的條件來直接判斷系統的穩定性，但是，我們可以考慮其攝動系統以及採用多個lyapunov函數來解決問題
  9. The dynamic output feedback fuzzy controller is proposed to guarantee that the t - s fuzzy systems are dissipative by using the method of lyapunov

    給出了保證該系統耗散的動態輸出反饋控制器的設計方法。
  10. We give a brief theoretic analysis of using delayed self - controlling feedback to control beam halo. s ( the length of one period of focusing channel ) is selected as the delay parameter of the controller and the maximal lyapunov exponent is calculated

    經分析，確定了延遲反饋控制器的延遲參數為s （一個聚焦磁場通道周期） ；而後，計算了系統的最大李雅普諾夫指數。
  11. The third, synchronization in unidirectionally coupled 4 - order hyperchaotic chua ' s circuits is studied. synchronization of hyperchaotic systems can be achieved using only one variable unidirectionally coupled at discrete times. we obtain the threshold of couple coefficient based on lyapunov stability theory

    第三，採用單向耦合方法實現了兩個四階蔡氏超混沌電路的同步，根據lyapunov穩定性定理，得到了兩個系統達到同步時耦合系數的閾值。
  12. As an example, the time series of china composite stock index is considered firstly, the distribution of five day ' s return on china composite stock index is studied. secondly, based on the r / s analysis hurst exponent is worked out and determination detecting can be done. lastly, the topological characteristics such as correlation dimension and maximum lyapunov exponent are extracted from time series

    作為例子，本文對中國股票指數時間序列做了實證分析，首先研究了中國股票指數的五天收益率的分佈規律，然後運用重標極差分析方法計算出赫斯特指數，並以此為基礎進行確定性檢驗，最後在相空間重構的基礎上提取吸引子的拓撲特徵指數。
  13. At first, a method for controlling chaos is studied, which is based on phase switching modulation. the n - scroll chua ' s circuit is controlled to its fixed point as well as periodic orbits by using switching modulation on one its phase. its mechanism of control is analysed using the change of the max lyapunov exponent when the system is controlled

    首先，通過對多渦卷蔡氏電路中非線性特性函數的相位進行開關調制，把多渦卷蔡氏電路由混沌狀態控制到其平衡態和周期軌道，並用控制后系統的最大lyapunov指數隨時間的轉變闡述了其控制機制。
  14. In this dissertation, we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system, further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } ", hence we can give mixing conditions on them

    在這篇碩士學位論文中，我們主要藉助lyapunov第二方法的思想，討論了兩類脈沖微分系統：脈沖混合微分系統和具有依賴于狀態脈沖的微分系統的穩定性問題。不同於以往的研究，本文所找的lyapunov函數沿系統軌線的一階導數不再局限於常負或定負，甚至不用其導數來限制其增長速度；不再局限於對離散或連續部分分別設置條件，而是對其離散和連續部分設置混合條件。
  15. Chapter two expounds chaos and fraction theory of capital market, respectively recommends the concept and characteristic of chaos and fraction theory, fractal market hypothesis, r / s analytic approach, hurst index ' s estimation and application etc. chapter three introduces methods to judge if one system have chaos and fractal phenomena, mainly use lyapunov index and fractal dimention to judge

    第二章論述了資本市場的混沌與分形理論，分別介紹了混沌與分形的概念與特徵、分形市場假說、重標極差分析法（ r s分析法） 、赫斯特（ hurst ）指數的估計與應用等問題。
  16. Now, based on t - s fuzzy model, lyapunov stability theory and linear uncertainty theory are often used to analyze the system ' s stability

    目前，較多的是針對t - s模糊模型，利用lyapunov穩定性理論、線性不確定系統理論等來研究模糊系統的穩定性問題。
  17. The backstepping design idea and lyapunov stability theory is used for design the path tracking controller of the robot. the controller ’ s validity is tested by simulation and experiments

    利用backstepping設計思想和lyapunov穩定性原理設計控制器來實現路徑跟蹤，並且通過模擬和實驗來驗證方法的有效性。
  18. Research and simulation of lyapunov ' s exponents

    李雅普諾夫指數譜的研究與模擬
  19. In section one, we study its practical stability using lyapunov ' s direct method and comparison method, we also get a result about practical stability of its perturbed systems and a result about practical stability using several lyapunov functions

    52j利用ly punov函數直接方法、比較方法和多個ly3punov函數研究了脈沖混合微分系統關于兩個測度的實際穩定性，還得到了一個關于其攝動系統的實際穩定性結果； 52
  20. During developing lyapunov ’ s second method, two main methods ? lyapunov - krasovskii functionals method and lyapunov - razumikhin functions method ? are used for the study of time - delay systems

    在發展lyapunov第二方法的過程中，逐漸形成了對時滯系統的兩種主要研究方法? ? lyapunov - krasovskii泛函法和lyapunov - razumikhin函數法。
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