擬線性系統 的英文怎麼說
中文拼音 [nǐxiànxìngxìtǒng]
擬線性系統
英文
quasi-linear system- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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This text studies three methods about analyzing steady stat cornering performance of tractor - semitrailer : the differentiating of linear system steady stat cornering performance, the computer simulating analyzing of nonlinear system steady stat cornering performance, and the method of energy phase plane
摘要為了分析半掛汽車的穩態轉向特性,研究了3種用於判別半掛汽車列車穩態轉向特性的方法:線性系統穩態轉向特性的判別、非線性系統穩態轉向特性的計算機模擬分析、能量相平面法。( 6 ) extension control is studied in earnest. through a simulation example extension control is compared with some kinds of neural networks control. the simulation result on slow time - varying nonlinear system shows that extension control is superior to neural networks control
( 6 )認真研究了可拓控制,通過模擬算例對可拓控制與幾種神經網路控制進行了比較分析,得出了對慢時變非線性系統可拓控制比神經網路控制效果要好的結論。Abstract : aiming at the variety of modals of nonlinear systems, we proposed a general parameter estimation method based on genetic algorithms ( ga ), which can be used in most kinds of nonlinear system modal. this method was applied to simulating parameter estimation of several different examples of nonlinear systems. the results proved that the method is effective and useable
文摘:針對非線性系統模型的多樣性,提出適用於多種非線性模型的基於遺傳演算法的參數估計方法,並以多種非線性模型為例作了模擬研究.結果表明,遺傳演算法是非線性系統模型參數估計的有效工具By use of - perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time - continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time - continuous systems
採用-攝動法並經過空間離散,將由擬線性偏微分方程式控制制的有壓瞬變流系統轉化為時間連續線性系統,從而使有壓瞬變流限壓控制反問題能應用時間連續系統最優控制理論來求解。By the network, a optional nonlinear input - output mapping relationship can be realized. concrete mapping relationship materialize at the distributed linking weight values between neurons that build up the ann. due to the strong self - adaptability and self - learning - ability as well as excellent and robustness and tolerance ability, it can not only replace many traditional algorithm which is very complicated and timeconsuming, but also, because the processing to information is more close to person ' s thought activity habit, it provides a new way for solving the prediction of nonlinear system and unknown model
通過這種網路能夠實現任意的非線性輸入輸出映射關系,具體的映射關系體現在構成網路的神經元之間的分佈連接權上,由於網路具有很強的自適應和學習能力以及魯棒性和容錯能力,它不僅可以替代許多復雜耗時的傳統演算法,並且由於它對信息的處理更加接近於人的思維活動習慣,為解決非線性系統模擬和未知模型的預測提供了新途徑。For the exact feedback linearization of general nonlinear singular systems, by taking the algebraic variables as virtual inputs, a recursion inverse algorithm is introduced in this paper
摘要對一般廣義非線性系統的反饋線性化問題,通過將代數變量視為虛擬輸入,給出了構造性遞歸求逆演算法,實現了系統的精確反饋線性化。The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application. based on short signal analysis theory, the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically
本文基於簡訊號分析技術,針對電液伺服道路模擬試驗臺運行狀態監測和狀態評價,對簡訊號的最大熵譜分析技術在自復雜非線性系統的實時在線故障診斷領域的應用進行了系統的理論和實驗研究。This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes
在研究小波動情形時,即系統在穩定工作工況點附近小瞬變時,可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型,推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗,整定了最佳調節參數;通過動態比較,分析了調節系統參數改變對其動態性能的影響。This paper discuss a modeling and predicting means for nonlinear systems proceeding from nonlinear systems modeling and predicting theory, whch is based on drnn model. this means overcomes the fact that ar model is used only in linear systems, at the same time it connects itself with approximation theory symbolic statistics and conjugate gradient algorithm, and formulate a system of large watercrafts motion modeling and predicting which is based on drnn model, and simulate it
本論文從非線性系統建模與預報的理論及應用觀點出發,系統地闡述了一類適用於非線性系統的建模預報方法? ?基於drnn模型的建模預報方法,克服了ar模型僅局限於線性的情況,同時結合逼近論、數理統計等知識,運用共軛梯度演算法,提出並建立了基於對角回歸神經網路的大型艦船運動建模預報系統,並進行了模擬。Based on the discrete mathematics and computer technology, a numerical simulation model is presented in this paper, and it can be used to deal with the wear process characterized by dynamic and non - linear systems, facilitating the above mentioned three difficulties, moreover, the high reality of the numerical simulation is emphasized, which increases the authenticity of the numerical simulation
本文基於離散數學理論和計算機技術提出了一種數值模擬模型,可用於解決復雜動態非線性系統的磨損問題,為徹底解決上述三大難點創造了條件,並著重突出數值模擬的高真感性,增加了數值模擬模擬現實的真實性。This paper studies the corner layer behavior in quasi linear systems with turning points. under the appropriate conditions and by usin g the theory of differential inequality, the existence of the solution and its c omponentwise uniformly valid asymptotic estimation are obtained when the reduced solution does not have a continuous first - derivative in some point of ( 0, 1 )
奇攝動轉向點問題是來自量子力學及其他物理力學中的重要問題,特別對非線性系統的轉向點問題,已有的結果甚少,文章研究一類具有轉向點的擬線性系統的角層現象,在適當的假設條件下,利用微分不等式方法證明了當其退化解在( 0 , 1 )內某些點上一階導數不連續時解的存在性,並得到了解的按分量的一致有效的漸近估計。In addition, this paper discusses the application of the parameter - induced stochastic resonance in the m - ary pam signal transmission, and explains the mechanism to stochastic resonance in a new view. we found that the single well is able to distinguish different signal levels, based on which the theory for m - ary pam signal transmission via parameter - induced stochastic resonance was briefly developed. the error code rate of m - ary pam signal was obtained
此外,本文還初步探討了參數誘導的隨機共振在多進制數字調制信號傳輸中的應用,從不同的觀點解釋隨機共振形成的機理,充分認識到非線性系統單勢井的信號處理能力,並給出多進制信號誤碼率的理論公式,模擬實驗表明這個研究方向具有很好的研究前景。Main contents as follows : a series of concepts and theorem involved in the paper on chaotic dynamical systems are discussed, such as dynamical systems, optimization arithmetic, phase space & orbit, li - york law, chaos control and so on. in order to understand chaos theory, chaotic evolving law of logistic equation is addressed in detail. logistic equation is a simple nonlinear dissipative system
包括: ( 1 ) logistic非線性迭代方程的分岔; ( 2 )分岔圖的標度性和自相似性; ( 3 )一維lyapunov指數計算方法; ( 4 )控制參量對系統演化的作用; ( 5 )初值敏感性數值模擬; ( 6 )其它幾種非線性系統的混沌演化特性測試。The theory of nonlinear gradual collocation of white noise is a special example of nonlinear gradual collocation of color noise
白噪聲條件下的非線性系統的逐步擬合推估是有色噪聲條件下的非線性逐步擬合推估一個特例。Computing formulas are proved for gradual collocations of white noise and gradual collocations of color noise in nonlinear system
摘要推導了白噪聲條件下的非線性系統的逐步擬合推估和有色噪聲條件下的非線性逐步擬合推估的計算公式。Secondly, a network based on multi - terminal components modeling methodology was applied to model mems at system - level by the analogy and mixed - signal modeling tool of vhdl - ams, for the system - level model of mems is a mixed signal model, which has attributes of multi - energy domains coupling, multi - signals mixed and interacting between discrete - event subsystems and continuous - time subsystems. with this method, the whole system can be divided into some subsystems defined as multi - terminal components ; the behavior of the subsystems depends only on their terminal signals ; the information exchange between subsystems was done by the signals at their terminals. the continuous - time systems or discrete - event systems can be modeled and simulated with this method, which satisfied the requirements of nonlinear systems and large signals analysis
同時,針對mems的系統級模型是一個混合信號模型,具有多能量域耦合、多信號混合、離散事件子系統與連續時間子系統交互的特點,使用vhdl - ams作為混合信號模型建模的工具,採用多埠組件網路建模方法建立了mems系統級模型,把微型機電系統分解為多個子系統或組件,各子系統被定義為多埠組件,子系統的內部行為通過其埠行為來描述,子系統間的能量與信號的交換通過組件的埠映射來實現,從而實現了對連續時間系統和離散事件系統的建模與模擬,滿足了非線性系統以及大信號分析要求。In chapter 3, the selection of the nni model, input signal and error rule are discussed. then the nni of the nonlinear system is studied. the static and the dynamic problem are clarified separately, and two examples are presented correspondingly
第三章首先對神經網路的辨識模型的選擇、輸入信號的選擇以及誤差準則的選擇進行討論,然後對非線性系統的神經網路辨識模擬進行研究,將其中的靜態問題和動態問題分開進行論述,最後針對靜態問題和動態問題給出相應的實例模擬。Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed
由於液壓打樁錘液壓系統是一個復雜的非線性系統,本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程,通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解,在matlab6 . 5中進行液壓系統的動態模擬,獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析,為液壓系統的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后,採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器,設計出了雙缸雙作用液壓打樁錘的電器控制系統。Then self - organizing fuzzy identification algorithm via the fuzzy t - s model is applied to modeling of main stream temperature and reheated temperature plants. 3. in this paper, a possibility of using linear mbpc to control nonlinear systems is investigated
2 、把自組織模糊辨識演算法應用於主汽溫和再熱汽溫系統的模型辨識中,模擬結果表明這種辨識演算法對非線性系統的辨識具有良好的效果。Based on compensation control thought, through using neural network pid controller as compensation tache of traditional pid controller, a kind of hybrid pid controller is designed. combined with neural network, self - tuning control can realized better control over non - linear system. utilizing the advantages of fuzzy control and neural network control, a kind of neural network adaptive fuzzy controller based on fast bp algorithm is presented and it may control the plant on line. at last, the hybrid pid controller is applied in tension system of h - section continuous rolling mills and tension - free control is realized. the simulation results show that it has better performance than traditional pid controller. at the same time, it provides some reference for the control of other similar systems
在此基礎上,基於補償控制思想,利用神經pid對傳統pid進行補償,設計了一種混合pid控制器;神經網路與自校正控制的結合,使得自校正方法能對非線性系統實現比較理想的控制效果;利用模糊控制與神經網路控制各自的優點,提出了一種基於快速bp演算法的神經網路自適應模糊控制器,能夠對系統進行在線控制。最後將混合pid控制應用於h型鋼連軋機張力系統中,實現微張力控制,模擬結果說明其較傳統pid具有更好的性能,同時也為其它類似系統的控制提供一些參考。分享友人