multivariable system control 中文意思是什麼

multivariable system control 解釋
多變量系統控制
  • multivariable : 多變量的, 多變數的
  • 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 ...
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有約束條件多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元,應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。
  2. Copper matte converting system is a complicated process which has the characteristics of multivariable, nonlinearity, strong coupling, large inertia, time varying and uncertainty and very difficult to carry out real - time on - line control. the purpose of the optimization, decision - making and control of copper matte converting process is to improve the productivity and decrease energy consumption

    銅鋶吹煉過程是一類具有多變量、非線性、強耦合、大慣性、時變性和不確定性、難以實時在線控制等特點的復雜對象,銅鋶吹煉過程優化決策與控制的目的是為了提高勞動生產率,實現優質高產和降低能源消耗。
  3. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時,使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法,將本課題的有約束條件問題化為無約束條件問題,並提出了最優步長參數的動態搜索法來修改傳統的梯度法,從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同,進而提出了最優初始狀態下最優周期控制的新概念,這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:對于尚不具備實現最優控制條件的處理系統,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  4. And this algorithms have been proved to be valid by computer analogize for two different model. after a detailed analysis of the glass furnace, put award a method of disassemble multivariable control : the upper levels use fuzzy supervise control, provide reference signal for lower level ; the lower level select and use a modified self - regulating fuzzy controller or a double closed - loop controller for time - sluggish system

    在分析窯爐特性的基礎上,以溫度系統為例,根據其被控參數多、大滯后、非線性等特點,提出分層分區的智能控制策略:上層採用模糊監督控制器,為下層提供參考信息,下層根據控制要求及被控對象特性分別採用了一種改進的自校正控制演算法和一種適合於滯后過程的雙環模糊控制器。
  5. This paper expatiated that the mathematics models of ac motor is higher order, non - linear and closed coupling, multivariable input - output system. and introduces the principle and the algorithm of sine pulse width modulation ( spwm ), opened - loop space voltage pulse width modulation control ( svpwm ) and field oriented control ( foc ). finally, realized the control strategies of variable - frequency speed regulating using assembly and c language

    文中闡述了交流異步電機的數學模型是高階、非線性、強耦合的多變量輸入輸出系統,介紹了交流電機的正弦脈寬調制、開環電壓空間矢量的u / f控制和磁場定向控制的原理及控制演算法,並利用dsp構成控制系統,通過匯編語言和16位定點c語言混合編程的方法實現了上述的變頻調速控制策略。
  6. The control of the two - stage inverted pendulum is a traditional question in the control field. the two - stage inverted pendulum system is a multivariable, highly nonlinear and absolutely unstable dynamic system

    倒立擺問題是非線性動態系統控制中一個經典問題,倒立擺系統是一種非線性、多變量和絕對不穩定的系統。
  7. The main statistical variables and multivariate control charts are introduced. the design idea of fault monitoring and fault diagnosis systems based on principal component analysis for multivariable control system is analyzed. a model of pta oxidation process is talcen as an example to show the result of fault diagnosis based on principal component analysis

    介紹了多元統計過程式控制制在故障診斷中常用的統計量及統計控制圖,分析了基於主元分析的多變量控制系統故障監測與診斷的設計思想,並將其應用於pta氧化過程模擬監控。
  8. Inverted pendulum system ( ips ) is a type of typical complex hard - control system., the research on it can be representative of that on a nonlinear, multivariable, absolute unstable system

    倒立擺系統是一種典型的復雜難控系統,倒立擺的研究可歸結為對非線性多變量、絕對不穩定系統的研究。
  9. Multivariable system ' s self - adaptive second - order tsm decomposed control

    多變量系統自適應二階滑模分解控制方法
  10. Multivariable control system

    多變量控制系統
  11. Predictive functional control of multivariable non - self - regulating system

    一類非自衡系統的多變量預測函數控制
  12. At present, variable air volume ( vav ) air - conditioning system is the main steam of the whole air conditioning system in china and abroad because of its large energy conservatioa however, since vav system is multivariable, strongly coupled, nonlinear and time variant, its design, performance and management are more difficult than constant air volume ( cav ) system, and stable control of the entire vav system is focused in particular in china study on the stability, the key condition of the vav operation, the paper divide the vav system into ahu part and terminal part based on the coordination control strategy

    目前,變風量( variableairvolume , vav )空調系統以其巨大的節能潛力逐漸成為國內外空調系統的主流。但是,變風量( vav )空調系統具有多變量、強耦合、非線性、時變的特點,因此它的設計、運行和管理都比定風量( constantairvolume , cav )系統難度大。這也是限制vav系統更廣泛應用的一個重要原因。
  13. Abstract : the control reconfigurable aircraft with multi - surfaces needs robust basic flight control system to support enough time for failure detection and isolation. when partial surface loses, it can keep the damaged aircraft stable. in this paper, multivariable output feedback digital control laws are designed for the control reconfigurable aircraft ( cra ). the method uses fast - sampling digital pi controllers to design digital flight control tracking system. this paper gives the way to design the controller and analyze its robustness characteristics. the simulation results indicate that the controller is very robust and the output responses are fully satisfactory

    文摘:控制可重構飛機要求其基本飛行控制系統對舵面部分缺損故障具有強的魯棒特性,在故障發生后保證飛機的穩定性,提供足夠的時間進行故障的檢測和隔離,為控制系統重構提供條件.本文採用高速采樣pi控制器設計輸出反饋跟隨系統,給出了控制器的設計方法,並分析了它對于控制舵面部分缺損故障的魯棒特性.模擬結果表明,這種控制器具有好的魯棒特性
  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. Because every process are classical time - variation system whit multivariable, long delay time, nonlinear and destabilization and every process has themselves special requirements, considering of their common features the paper write out a three - level intelligence control system which give each process suitable methods

    對中藥生產過程各工段控制方法的研究是本文的重點,由於中藥生產的各主要工段都是典型的多變量、大時延、非線性、帶擾動的時變系統,並且中藥生產過程各工段均有其特殊工藝要求。
  16. In the second charper, two reformed metheds has presented, which are competition adaptation - ga based on elitist and dual mutation adaptive - ga which can increase the population diversity and can decrease the dependence of genetic algorithms " result to the control parameter of operators and the status of initial population. to testify their abilities of algorithms, some studies have excuted which included the study to optimize parameter for pid and the study to multivariable intelligent decoupling control for mimo system. the outcomes have showed us that this amendment has a better effective than conventional means and the genetic algorithms which have no change

    第二章中,在已有文獻的基礎上,創新性的提出兩種改進演算法:基於最優保留的聯賽競爭機制遺傳演算法( competitionadaptation - gabasedonelitist )和雙變異自適應遺傳演算法( dualmutationadaptive - ga ) ;通過對演算法中選擇運算元和變異運算元的有效改進,提高了演算法的尋優能力和尋優效率,增加了群體中個體模式的多樣性,對于演算法中存在的欺騙問題、早熟問題以及成熟前收斂問題有明顯的改進作用。
  17. The structure of internal control is adapted for gpc. the stability and tracking performance with modeling error are discussed. ( 4 ) the equivalent linearization is extended to nonlinear multivariable system

    採用內模控制結構討論廣義預測閉環控制系統的性能,研究了存在非線性建模誤差的情況下閉環控制系統的穩定性和跟蹤性能。
  18. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. but it is difficult to set up an accurate mathematical model because the process is a multivariable nonlinear time varying system. so this process ca n ' t be put into practical uses for the difficulties in process parameters control

    復合材料管、棒材液-固擠壓成形工藝是近幾年發展起來的一種金屬成形新工藝,具有工序少、成本低、製件性能好等特點,應用前景廣闊,但該工藝是一多變量非線性時變系統,很難建立精確的數學模型,過程參數難于控制,限制了該工藝的實際應用。
  19. Recurrent neural networks - based multivariable system predictive control

    基於遞歸神經網路的多變量系統預測控制
  20. Based on the multivariable nonlinear control systems theory, the pseudo - linearization method was applied to design the control law for the controlled system with nonlinear and non - minimum - phase characteristics and to realize the state feedback linearization of the controlled system

    摘要將多變量非線性控制理論中的偽線性化方法,應用於具有非線性、非最小相位特性控制系統的控制規律的設計,實現了被控對象的狀態反饋線性化。
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