simulation of nonlinear system 中文意思是什麼

simulation of nonlinear system 解釋
非線性系統模擬
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  • of : OF ＝Old French 古法語。
  • nonlinear : 非線性的
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. ( 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。
  2. Aim to eliminate the influences of backlash nonlinear characteristics, a second generation adaptive pid controller based on single neuron is given. the result of simulation and the debug of actual digital servo system shows that the controller can effectively get rid of the sustained oscillation of the system caused by the backlash characteristics, and can improve the system accuracy

    隨后，採用改進型單神經元自適應pid控制器來消除間隙非線性對系統的影響，模擬結果表明所採用的方法能有效消除間隙特性引起的系統自振蕩，並且能夠提高系統的跟蹤精度。
  3. The nonlinear controller is gained 2 ) the analysis of 4ws system by nonlinear dynamics combined the nonlinear tyre model with a driver model, a nonlinear 4ws model is put forward. its stability is analyzed and the result is verified by simulation

    （ 2 ）用現代非線性動力學理論，結合非線性輪胎側偏公式與司機模型，建立了4ws的非線性模型，研究了其穩定性，並進行了數值模擬。
  4. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  5. At last, we illustrate the imaging process of nonlinear medium by numerical simulation, and the image position and intensity are studied. at the same time, it is pointed out that a piece of nonlinear medium and high power laser beam can form a hologram system. for the first time, we found that a " dark image " ( or " cold image " ) may emerge along with a " hot image "

    最後，我們研究了「熱像」的形成機理及其規律，用數值模擬的方法形象地說明了非線性介質的成像作用，提出了用非線性介質和高功率激光形成全息成像系統的概念和思路，豐富了「全息成像」內涵，同時，首次發現了亮像和暗像同時並存的現象。
  6. Against two kinds of nonlinear friction observers, the analytic expression of zero ve - locity interval t based on the nonlinear model of brushless dc motor system is deduced in this paper. simulation results indicate that the system performance at low velocity can be im - proved effectively using the friction observer based on coulomb friction model

    針對兩種不同的非線性摩擦觀測器，推導了基於無刷直流電動機非線性模型的零速度時間間隔腡解析表達式，通過模擬證實，利用基於庫侖摩擦模型的摩擦觀測器可以有效地改善系統的低速控制性能。
  7. We have simplified the model through obtaining the average system of the underactuated robot using averaging method which is efficient to deal with nonlinear system. the simulation results show that the real system and the average system have the same trajectory in the phase plane under the disturbance of periodic input of the actuated joint of the robot

    將驅動臂的運動作為非驅動臂的擾動，建立了非驅動臂的動態模型，利用動態方程有效的近似解法?平均法，對非驅動臂的動態模型進行簡化，得到近似的平均系統，通過模擬計算驗證了二者具有相同的動力學特性。
  8. In this paper generic model control is applied to the design of controlling law of the nonlinear power propulsion system, at the work state of constant depth and variable speed, constant speed and variable depth movement of torpedo. then the simulation program of the torpedo thermal power digital simulation system comes forth which can be used for the dynamic simulation of the performance of the process of open - loop constant depth and open - loop constant speed, the process of close - loop constant depth and close - loop constant speed

    本文採用一般模型控制的基本原理，對非線性動力推進系統進行控制律的綜合，設計了魚雷恆深變速、恆速變深控制的閉環控制規律，開發了魚雷熱動力系統數字模擬軟體，對魚雷熱動力推進系統的典型工況：開環恆深、開環恆速以及閉環恆深、閉環恆速進行動態模擬。
  9. Research on multiple model control of nonlinear system and simulation

    非線性多模型控制及模擬研究
  10. 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。
  11. Now it has been used in many fields, such as transportation, aeronautics, electronic household appliances and industries. the modelization and simulation of srd, pseud - sliding mode control ( psm ) and the driver system based on dsp tms320lf2407a are studied in this thesis. the main tasks include : the nonlinear model of the srd is established, the control methods such as pwm is emulated and analyzed

    開關磁阻電機調速系統（ srd ）將開關磁阻電機，現代電力電子變換技術以及控制技術結合為一體，兼有異步機變頻調速系統和直流電機調速系統的優點，目前已應用於牽引運輸、航空航天、家用電器、通用工業等各個領域內，具有廣泛的應用前景和強大的市場生命力。
  12. With these algorithms above, a simulation test has been taken to the main steam temperature control of boiler by means of generalized predictive control using takagi - sugeno fuzzy models. the test shows that t - s model of the nonlinear system can be successfully identified on line and the nonlinear main stream temperature can be controlled successfully using predictive algorithm

    並把這種基於t - s模型的預測控制演算法應用在某電廠的主汽溫的升負荷過程的控制中，模擬表明本演算法能夠很好地通過在線非線性t - s模型的辨識從而實現對于具有非線性特性的主汽溫對象的預測控制。
  13. With the development of morden aero - propulsion system, the simulation technology has became one of the most important means in aeroengine design. aeroengine nonlinear mathematical models, as the basis of engine performance simulation, are not convergence favorably in entire flight scope, because of the solution limitations of nonlinear equation and the engine balance equations

    作為數值模擬的基礎與核心，目前廣泛應用的發動機非線性數學模型，由於平衡方程各種迭代解法與模型中非線性方程解法的不足，因而從根本上沒有解決模型在整個包線范圍內的收斂問題，極大地制約了發動機數值模擬技術的發展。
  14. Abstract : an integrating model combining the artificial neura l network with the linear arx model and its identification method is proposed. based on that model, a multivariable nonlinear predictive control algorithm is persented. the algorithm employs the result of the linear predictive control, obtains explicit nonlinear optimal controlling inputs and doesn " t need on - line numerical optimizing which is necessary in general nonlinear model ( including ann model ) predictive control. that greatly decreases on - line computing consumption, strengthens the reliability of the algorithm and the stability of the system. the simulation results in cstr are shown

    文摘:提出了一種由人工神經網路與線性arx模型相結合的集成模型，給出了其辨識訓練方法.以此模型為基礎，提出了一種多變量非線性預測控制演算法.它利用線性預測控制的成果，得到一解析式的非線性優化控制輸入，避免了通常非線性模型（包括普通人工神經網路模型）預測控制所需的在線數值尋優計算，節約了在線計算時間，提高了演算法的可靠性和穩定性.進一步給出了在cstr反應器上的模擬實驗結果
  15. Abstract : based on fuzzy control theory, the fuzzy controller for overcoming nonlinear feature of switched reluctance motor drive system in mining locomotive haulage is proposed in the paper. the theory analysis and simulation demonstrate the strong robust of the system

    文摘:從模糊控制理論出發，針對煤礦電機車開關磁阻電動機調速系統的非線性，設計了模糊控制器，理論分析和模擬結果表明，模糊控制能使系統具備良好的魯棒性。
  16. In order to enhance the reliability of the simulation, the wind and wave model are added to the nonlinear system

    把它們加入到非線性舵阻搖系統中進行模擬研究，以提高模擬的可信度。
  17. Unlike traditional differential geometrical method, the robust adaptive neural net - based control emphasizes on the theory and application of intelligence control in nonlinear system that is weighed by robust performance index. the problem of robust reliability and stability in a kind of weak nonlinear system is first proposed in the dissertation, and then it deeply analyses and discusses the problem of how to design track controller in strong nonlinear system with uncertainties and external disturbance on the premise of guaranteeing the whole system ' s robust performance index. the distributed 3d flight simulation platform is mainly used to validate real - time program and evaluate the efficiency of advanced flight control laws, therefore, some theories and techniques related to the platform are also introduced

    基於神經網路的魯棒自適應控制研究和分散式三維飛行模擬平臺的構建是本論文研究的兩個主要內容，與傳統微分幾何方法不同的是，基於神經網路的魯棒自適應控制側重於智能控制方法在以魯棒性為性能指標的非線性系統中的理論和應用研究，論文以一類弱非線性系統的魯棒可靠鎮定問題為引線，逐步深入地分析和探討了在保證整個被控系統魯棒性能指標的前提下，對于幾類具有不確定性和外部擾動的強非線性系統跟蹤控制器的設計問題；分散式三維飛行模擬平臺主要用於先進飛行控制律的實時程序驗證和效能評估之用，因此關于平臺的一些開發原理和技術方法也在文中給出了介紹。
  18. First of all, this article takes the cubic function elastomer in nonlinear system for examples, taking advantage of the method of state space and the dynamic simulation environment of matlab / simulink to convert the dynamics model into simulation model and choosing a suitable simulation arithmetic. at the meantime, the model parameter graphical can be prepared by use of the matlab ' s callback functions and will conveniently modify the parameters of system

    首先，以三次函數型非線性緩沖包裝系統為例，從求解緩沖包裝系統動態響應的角度出發，採用matlab simulink模擬環境，利用狀態變量法將系統動力學模型轉化為模擬模型，選擇模擬演算法，利用matlab中的回調函數，編制緩沖包裝系統的參數圖形界面，可以方便修改系統的參數。
  19. Nonlinear fem numerical simulation of soil - nailed support system base on adina

    的土釘支護有限元數值模擬
  20. By the simulation results, it is verified to have excellent performance. a class of uncertain nonlinear systems which can be transformed into strict feedback nonlinear systems is investigated based on feedback linearization approach of differential geometry. an adaptive robust controller with l2 - gain is proposed by using backstepping technique. the numerical method is given and it is proved to be practical by simulation results. lt is a more practical method to solve hji for a special nonlinear system because the problem to solve hji is very difficult in general case, and only get the approximate solution when it can be solved. an effective method to solve hji is presented for a class of nonlinear system which is ordinary

    考慮到一般情況下，求解hji是非常困難的，並且也只能得到近似解，因此，在系統設計時，針對具體非線性系統的特殊結構以求解hfl是系統設計的一種行之有效的方法，基於以上考慮，對一類具有廣泛工程背景的非線性系統，提出了一種求解hfl的有效方法，便於實際應用。最後，從波能譜的角度，研究隨機海浪的模擬問題，給出了船舶橫搖模擬中需要的隨機海浪有效波傾角的模擬方法。
分享友人
分享到 Line

分享到臉書