普法夫 的英文怎麼說
中文拼音 [pǔfǎfū]
普法夫
英文
pfaff-
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Defining the minimax robust control of discrete time - delay systems, the existence condition and design method of minimax robust controller are given by the lyapunov method and lmi ( linear matrix inequation )
給出離散時滯系統的極小極大控制定義,利用李亞普諾夫方法和線性矩陣不等式( lmi )方法給出了極小極大魯棒控制器的存在條件和設計方法。Barred by church law and tradition from marrying simpson, edward abdicated in 1936, forcing the shy, stuttering albert to become king george vi
由於教會法和傳統習俗禁止他與辛普森夫人結合,愛德華八世毅然放棄王位,靦腆、說話結巴的艾伯特繼承了王位,成為喬治六世。Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted
本文首先針對一類不確定非線性系統,基於backstepping方法,利用監督控制,引入最優逼近誤差的自適應補償項,並利用型模糊邏輯系統逼近系統的未知部分,提出了一種魯棒自適應模糊控制器設計方案,運用李亞普諾夫第二方法,先證明了閉環模糊控制系統全狀態有界,再證明了跟蹤誤差收斂到零。( 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。Finally, the paper presents the lyapunov - based decentralized control system because the piezo - electric steering system is complex dynamics and can ’ t know status of controlled plant
最後,針對壓電偏轉系統系統動力學復雜和無法得到系統狀態量的問題,提出了分散式李亞普諾夫控制系統,設計了分散式自適應控制器。Intelligent pid can be regarded as a hybrid control. then the hybrid model, lyapunov theorem for hybrid control systems are studied and two methods of designing hybrid control which make sure the hybrid control system stable are also introduced
總結了保證整個混雜控制系統李亞普諾夫意義上(指數)穩定的兩種混雜控制器設計方法以及如何通過求解lmis獲得李亞普諾夫函數的方法。By combining the parameter smooth projection algorithm and the integral - type lyapunov design technology with the sliding mode design technology with boundary layer, the performances for the system to avoid the parameter drift phenomena, the chattering phenomena, and the controller singularity problem were improved
通過將參數光滑投影演算法,帶飽和層的滑模面設計技術以及積分型李雅普諾夫設計技術集成起來,使得演算法提高了系統在抑制參數漂移、抖振現象、控制器奇異等方面的能力。In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law
在船舶航向控制方面,考慮船舶的穩態回轉非線性,應用backstepping方法設計:首先把系統化成單入單出的嚴格反饋控制形式(呈下三角結構) ,假設系統后一個狀態變量是前一個狀態變量的虛擬控制,通過適當的變量代換,在每一步構造李亞普諾夫函數,使前一子系統在虛擬控制下漸近穩定,逐步遞推出控制器控制規律,使整個系統在平衡點滿足一致漸近穩定性。Jean - marie pfaff
讓-馬里普法夫A sufficient condition of quadratic stability for the impulsive and switched systems is given with a switching law by way of convex combination and single lyapunov function
在有限個備選狀態反饋控制器的條件下,利用凸組合技術和李雅普諾夫函數等方法,給出脈沖切換線性廣義系統二次穩定的充分條件及切換律的設計。Lyapunov equation based algorithm for calculating state feedback gain is a comparatively normal algorithm used in pole assignment
摘要基於李亞普諾夫方程的狀態反饋增益演算法是極點配置演算法中比較常見的一種。After introduction to the principle, the realizing methods and applications of chaos anti - control, the state of art of chaos anti - control methods both at home and abroad are aimed and summarized : including chaos anti - control based on lyapunov exponents allocation, chaos anti - control based on added linear or nonlinear state feedback, chaos anti - control based on the alteration of the dynamics of the available chaos attractors, chaos anti - control based on the time delayed system parameter perturbation or time delayed state feedback, chaos anti - control based on the precise tracking of the reference chaos system
摘要在介紹混沌化控制的原理、方法、應用的基礎上,對如下混沌化控制方法的國內外現狀進行綜述:基於李雅普諾夫指數配置的混沌化控制、對受控系統施加線性或非線性狀態反饋輸入的混沌化控制、通過對已有混沌吸引子進行變異來實現混沌化控制、通過施加時滯參數攝動或時滯狀態反饋來實現混沌化控制、通過受控系統狀態對已知混沌參考系統狀態的精確跟蹤來實現混沌化控制。Finally, the closed loop control strategy through nonlinear states feedback is designed by a lyapunov function for the averaged system and realize the position control of the non - holonomic robot. the simulation results show that the open - loop control method based on neural network and the feedback control method of the position are effective
模擬結果表明本文設計的基於神經網路的位置開環控制方法及針對簡化哈爾濱工程大學博士學位論文後的平均系統設計的基於李亞普諾夫函數方法的非驅動臂任意位置臂環控制是非常有效的。The lyapunov function is used to analyze the convergence of the general learning rule, and it is proved in theory that the general learning rule has the inherent factor which adjusts the coefficient values to gain the minimum error
通過理論推導,用李雅普諾夫函數分析和驗證通用參數學習規則的學習收斂性,揭示參數學習演算法朝最小誤差方向調整參數的內在因素。Criteria for the nonlinear dynamic stability of rotative vehicles are derived by the liapunov ' s first method and the routh - hurwitz stability criterion, this criteria can be applied to the dynamic stability analysis of controlled rotative missiles, projectiles and rockets
應用李亞普諾夫第一近似理論和勞斯霍爾維茨方法導出了旋轉飛行器的非線性運動穩定性判據,這個判據可應用於有控旋轉導彈的運動穩定性分析,也可應用到炮彈和火箭彈上。Second by using liapunov direct method, two different sufficient global exponential stability conditions are obtained on condition that activation functions are lipschitz continuous
第二種是採用李雅普諾夫直接方法,在激勵函數的lipschitz連續假設下,得到了兩個全局指數穩定的充分性判據。Using variational lyapunov method and comparison principle, some results of ultimate stability of perturbed differential systems through the corresponding ultimate stability properties of the unperturbed differential systems and the comparative system are gotten
摘要變分李雅普諾夫函數方法和比較原則相結合,利用無攝動脈沖微分系統和比較系統的最終穩定性性質得到了脈沖攝動微分系統最終穩定的若干結果。In addition the h. kantz method is applied to analyze the time series of the motor current, the maximal lyapunov exponent calculation is realized, the criterion for the motor chaos is brought forward, the existence of chaotic phenomenon in the induction motor is verified by the characteristic exponents, which proves theoretically that the chaotic movement is one of the reasons that results in the low frequency oscillation of the induction motor system
應用h . kantz方法對電機電流信號的時間序列分析,實現了最大李亞普諾夫指數的具體演算法,提出了電機出現混沌運動的判定根據,通過特徵指數驗證了異步電動機現象的存在,從理論上說明混沌運動是異步電動機系統產生低頻振蕩的原因之一。第三部分深入研究了系統低頻振蕩的主要影響因素。This paper uses systematic project for energy system according to jiangsu and ten province energy conditions in west. it applies nonlinear chaotic dynamics theory in energy system and builds the chaotic dynamics model of energy system : chaotic time series model. the largest lyapunov index energy time series has been calculated according to decimal quantity method
本文根據江蘇及西部十省能源狀況,利用系統工程的方法對能源系統進行研究,將非線性混沌動力學理論應用於能源系統中,建立能源系統的混沌動力學模型:混沌時間序列模型,採用小數據量方法來計算了能源時間序列的最大李雅普諾夫指數。分享友人