time varying linear system 中文意思是什麼

time varying linear system 解釋
隨時間變化的線性系統
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • varying : 變化的
  • linear : adj. 1. 線的，直線的。2. 長度的。3. 【數學】一次的，線性的。4. 【動、植】線狀的；細長的。5. 由線條組成的，以線條為主的，強調線條的。
  • 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. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  2. When applied in the analysis of high - dimensional bifurcations and structural stabilities a series of coordinate plane projection ( cpp ) transformations are done firstly. then investigate the property of the original system through these 2 dimensional time - varying linear subsystems. the fine structure and mechanism are explored with tspdr

    Tspdr應用於高維分岔、結構穩定性的分析時，先對原系統進行cpp變換，然後通過對一系列2維時變線性系統的分析來研究原系統的性質，觀察其微觀結構，揭示其運動機理。
  3. Linear time - varying control system

    線性時變控制系統
  4. There are lots of non - linear systems in the nature. because classical and morden control methods have common limitation : mathematical model of the plant has to be known in advance. but in fact many plants are intricate uncentaintied and time - varying. in addition, they also are non - linear. though there are methods of system identification in control theories, the identification theories and ways of non - linear and time - varying system are not mature and systematic. it is very difficult to carry out effective real - time control. the neural networks can approximate random non - linear relations and study by itself, and it provides new thoughts and new ways for solving these problems

    由於經典和現代控制方法存在一個共同的局限性：就是要求預先知道被控對象的數學模型，但實際上許多對象具有復雜的不確定性和時變性；此外還具有復雜的非線性。雖然在控制理論中有系統辨識的手段，但是對于非線性時變系統尚無成熟的和系統的辨識理論與方法，要實行有效的實時控制就很難了。人工神經元網路有表示任意非線性關系和自學習等能力，給解決這些問題提供了新思想和新方法。
  5. The research indicated that, if the secondary combustion chamber was looked on as a controlled object, with the adjusting valve as a input, the pressure and the temperature of a selected point on the inside wall of the combustion chamber as outputs, then such controlled system would be a strongly non - linear, time varying system with number of random disturbances, which resulted in huge difficulty to build an analyzed mathematics model for the spray burning of the liquid fuel, so that classic control methods were all invalid

    研究表明，若將rbcc發動機的二次燃燒室視為一個控制對象，同時以燃燒室內壁面取定點處的壓強、溫度和調節閥的開度為輸入輸出變量，則該系統將是輸入?輸出特性非線性很強、隨機干擾嚴重的復雜時變系統。這導致建立燃油噴霧燃燒具體模型的很大困難，從而宣告了經典控制方案的失效。
  6. Gpc ( generalized predictive control ) is designed for a class of nonlinear system by substituting it with a time - varying linear system

    摘要將一類非線性系統等價表示為時變線性系統，研究了非線性系統的廣義預測控制。
  7. ( 2 ) for linear systems with time - varying delays both in state and control, and subject to norm - bounded parameter uncertainties, the problems of robust stabilization and robust h control are studied and delay independent results are derived by constructing proper lyapunov function to deal with the time - delay, also by using riccati equations method and inequalities transformations to deal with the uncertainties. according to the transform function of the system, frequency domain method and time domain method are combined together to analyze the robust h control problem of the uncertain time - delay system

    （ 2 ）研究了一類狀態和控制同時具有時變時滯以及參數時變有界不確定性系統的時滯無關的魯棒鎮定及h控制問題，採用把時滯因素和不確定因素分開處理的思路，通過構造適當形式的lyapunov函數來處理時滯，採用不等式變換及riccati方程方法來處理不確定性，採用頻域與時域相結合的方法根據系統的傳遞函數分析時滯不確定系統的魯棒h控制問題。
  8. 3. dt - tmm can be applied in the linear time invariant, time varying or nonlinear multibody system dynamic problems

    3能綜合分析計算線性時不變、時變、非線性多體系統動力學問題。
  9. The second part of the thesis includes a derivation of reduced order models for the activated sludge process. firstly, the paper introduces the derivation of time - varying linear state - space models for the anoxic part and the aerobic part. secondly, by integrating the anoxic part model with the aerobic part model, we can get the resulting models - a time - varying bilinear state - space model for the activated sludge prenitrification system

    為了控制應用的需要，本文首先分別建立了缺氧池和好氧池的時變線性狀態空間模型，然後把好氧池和缺氧池的時變線性狀態空間模型結合起來得到由缺氧和好氧兩部份構成的前硝化活性污泥系統的時變雙線性模型，最後簡單描述了理想狀態下沉澱池的模型。
  10. The linear periodic time - varying vibration system can be changed to a constant coefficient linear system by l tansformation

    摘要線性周期時變齊次系統的狀態方程經李亞普諾夫變換后，周質系數線性時變振動系統轉化為一非齊次定常線性系統。
  11. Abstract : in this paper, the method of decomposition of large - scale system and a generalized inequality are used in studying the existence of stationary oscillation of time - varying linear large scale system under structural perturbations, some new results are obtained

    文摘:該文應用大系統的分解方法及一個推廣的不等式，研究了一類時變大系統在結構擾動下的平穩振蕩問題，得到了一些新結果
  12. By using the approach, a high - order linear time - varying discrete large - scale system is decomposed into some low - order decoupling subsystems with unidirection

    用此方法將線性時變離散大系統化為若干個具有單方向解耦的低階子系統。
  13. In addition, morse proved that tenable system must be a minimum phase system. for linear time varying systems, tskalis and loannou ( 1992, 1989 ) proposed mrac design method

    為了保證可調性，被控對象必須是最小相位的，對于線性時變系統， tskalis與ioannou 992 ， 1989 ）給出了模型參考自適應控制器的設計方法
  14. Optimal control theory often dictates that nonlinear time varying control law be used, even if the basic system is linear and time - invariant

    即使系統是線性定常的，最優控制理論通常給出非線性時變控制律。
  15. The response and excitation signals are first decomposedusing the daubechies wavelet scaling function. then the differential vibrationequations of the time - varying system are transformed into simple linear equationsbased on the orthogonality of the scaling functions. the physical parameters can beidentified directly by solving the linear equations

    運用daubechies小波對線性時變系統的激勵和該激勵作用下的響應做變換，將變換后的響應和激勵代入微分方程，利用daubechies小波尺度函數的正交性，將微分方程轉換成簡單的代數方程組，求解方程組，識別系統的時變參數。
  16. But the gas collector pressure system is a complex multi - variable non - linear, time - varying, long time - delay control system and is not easy to set up its mathematical model

    但是，集氣管壓力控制系統是一個多變量、非線性、時變性、大滯后的復雜控制系統，難以建立數學模型。
  17. Using the cogent validity of backstepping " s solving parametric - strict - feedback nonlinear systems, xinghuo yu and wu yuqiang ( 1998 ) solved the output - tracking problem of a kind of linear time varying system by combining nonlinear damping method and variable structure scheme. in this dissertation, we sufficiently consider the effect of disturbances in the input channel basing on the same model

    Xinghuoyu和yuqiangwu （ 1998 ）針對一類線性時變系統的輸出跟蹤問題，基於back飛tepping設計機制，將帶有非線性dallpipg項的設計方法與變結構控制方法相結合，給出了一種新的非線性控制器設計方法
  18. ( 2 ) wavelet networks are introduced to gpc. several nonlinear gpc algorithms based on wavelet networks are given : a nonlinear gpc base on predictive error compensation is designed, in which wavelet network is used to model the predictive error ; a new structure of multi - step predictive controller is constructed in which wavelet networks are used to identified the nonlinear directly ; a single - step predictive controller is given, in which a wavelet networks are used to estimate the parameters of the linear time - varying system. ; an a implicit gpc for nonlinear system is presented, in which wavelet networks are used to estimated the time - varying parameters of the generalized predictive controller

    （ 2 ）將小波網路與非線性廣義預測控制相結合，設計了多種基於小波網路的非線性廣義預測控制：考慮到建模誤差對多步預報的影響，引入小波網路估計預報誤差，對輸出預報進行修正，提高了控制性能且不影響系統的穩定性；利用小波網路構造多步預測器，設討了非線性系統多步預測控制演算法；利用小波網路逼近非線性系統廣義預測控制器的時變參數，設計了非線性系統隱式廣義預測控制器；利用小波網路辨識時變系統參數並直接用於構造控制器，設計了非線性系統單步預測控制演算法。
  19. Analyses of a linear system with periodically time - varying parameters based on the chebyshev polynormal expansion

    多項式展開的線性周期時變機械繫統解法分析
  20. Generalized predictive control ( gpc ) for a class of nonlinear system is studied in this paper. the main results are concluded as follows : ( 1 ) the method that a class of nonlinear can be substituted by a time - varying linear system is given and proved. so theories of linear systems can be used for nonlinear directly

    本文研究了一類非線性系統的廣義預測控制，主要內容如下： （ 1 ）提出並證明了滿足一定條件的一類非線性系統可以等價時變線性系統，從而可將線性系統已有的研究方法直接引入到非線性系統，使非線性系統的分析、控制器設計得到簡化，為非線性系統的研究提供了一個新途徑。
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