閉數系統 的英文怎麼說

中文拼音 [bìshǔxìtǒng]
閉數系統 英文
closednumber system
  • 閉 : Ⅰ動詞1. （關; 合） close; shut 2. （堵塞不通） block up; obstruct; stop up Ⅱ名詞（姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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 ...
  • 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
  1. On the basis of methods of feedback linearization and compound lyapunov, the author puts forward a sort of robust output track control rule with a regulable parameter. this rule not only guarantees the system exponent output track but also makes the closed loop system have limited states

    基於反饋線性化方法和復合lyapunov方法，作者提出了一種具有可調參數的魯棒輸出跟蹤控制律，不僅可以保證系統指數輸出跟蹤，而且閉環系統狀態有界。
  2. Using lyapunov stability theory, it has been shown that the control scheme guarantees that all the variables of closed - loop system are bounded. moreover, the mean - square tracking error can be made arbitrarily small by choosing some design parameters appropriately

    Lyapunov穩定性分析結果表明，本文所提出的控制器保證了閉環系統內的所有信號都是有界的，通過選擇適當的設計參數，可以使跟蹤誤差的均方根任意小。
  3. Adopting current feedback suspension control algorithm, the stable region of control parameters are narrow, overshoot is great and unable to make the closed - loop system bandwidth narrow

    目前採用的基於電流反饋的懸浮控制演算法，參數穩定范圍小、超調量大，且無法將閉環系統帶寬設計得較低。
  4. And now, a new wave of information construction appears in our country including electronic office. at the same time, we set up many information systems that are independent and have no uniform organization or standard. these isolated information islands make it hard to share information resource and block the process of information construction

    當前，各地都在爭上電子政務，建數字城市；但是許多地方、部門各自為政，各建系統，缺乏統一的規劃和標準，造成了現有的信息系統是分散、異構、封閉的系統，互相之間不能共享信息，形成了一個個信息孤島。
  5. With the generalized algebraic riccati inequality ( gari ) approach, a sufficient and necessary condition for the existence of dynamic output feedback h controllers is presented, such that the resulting closed - loop sy stem is admissible with its transfer function satisfying h norm constraint

    利用廣義代數riccati不等式，給出離散廣義系統存在正常動態輸出反饋h控制器，使得閉環系統是容許的且其從外界干擾輸入到受控輸出的傳遞函數矩陣具有h范數約束的充分必要條件。
  6. Abstract : this paper considers the decentralized stabilization problem via local state feedback control laws for a class of large - scale linear discrete - time systems with delay interconnections. a sufficient condition for decentralized stabilizability is derived and is expressed as a system of linear matrix inequalities. furthermore, the problem of designing a decentralized state feedback control law with smaller feedback gain parameters is formulated as a convex optimization problem, and latter can be solved by using existing efficient convex optimization techniques. the obtained controller enables the closed - loop systems to be not only stable, but also of any prescribed stability degree

    文摘:用一組線性矩陣不等式給出一類線性離散時滯大系統分散能鎮定的一個充分條件，進而，通過建立和求解一個凸優化問題，提出了具有較小反饋增益參數的分散穩定化狀態反饋控制律的設計方法.所得到的控制器不僅使得閉環系統是穩定的，而且還可以使得閉環系統狀態具有給定的衰減度
  7. And with the pulse width modulation method, linearized the electrostatic force producer. it deeply analyzed the speciality of the electrostatic force closed - loop plan, and worked out the system parameters from automatic control theory and simulation

    深入分析了靜電式脈寬調制閉環方案的系統特性，結合自控原理理論和模擬分析對靜電式脈寬調制閉環系統參數進行設計計算。
  8. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分，本論文利用現有實驗條件進行了參量振蕩器頻率調諧的研究，得到了調諧曲線，並做了輸出參量光的能量轉換效率以及輸出功率的實驗，得到一系列特性曲線。
  9. Simulation shows that the control scheme is adaptive to parametric variations and external disturbances, and the stepping motor with the proposed controller not only has a high controlling accuracy, but also possesses the characteristic of fast response with no overshoot

    模擬結果表明：所得閉環系統對電動機運行參數的變化和負載干擾有良好自適應性，而且調節精度高，動態響應快，無超調。
  10. It also calculates theoretically the minimal time interval between two trains in quasi - moving - block signaling system and recommends approximate values for the length of coded digit track circuit. the rapid development of urban rail transit demands a deep understanding on the features of track circuit

    在此基礎上，針對當前應用廣泛的基於數字軌道電路的準移動閉塞atc系統進行了重點分析，詳細討論了數字軌道電路的原理、準移動閉塞系統的列控方式等內容，並對準移動閉塞下的最小列車追蹤間隔時間進行了理論計算和分析，給出了數字軌道電路長度的推薦值。
  11. By means of linear matrix inequalities, a sufficient con dition is given for uncertain discrete singular system to be generalized quadratically stable and strictly passive, based on which, a sufficient condition is given for the existence of a state feedback controller, such that the resulting closed - loop system is both generalized quadratically stable and strictly passive for all the admissible uncertainties, all conclusions carry with them corresponding examples to prove the effectiveness, and the corresponding controllers are also presented

    利用線性矩陣不等式，給出不確定離散廣義系統廣義二次穩定且嚴格無源的充分條件，並在此基礎上給出存在狀態反饋控制器，使得閉環系統廣義二次穩定且嚴格無源的充分條件。每一節均給出數值算例來說明結論的有效性，同時給出相應的控制器構造。
  12. The system uses an electric - hydraulic proportional control to implement the self - walking function of cannon

    通過對閉式系統進行分析，提出泵控馬達系統的數學模型，並進行動態模擬，研究了靜壓驅動系統的動態特性。
  13. A system design of the circulation function therapeutic instrument of brain is presented in this paper. an integrated prototype is composed of at89c55 used as system controlling module and a / d, d / a converter and liquid crystal display device used as a terminal display module to realize the output of dynamic load and permanent flow through digital synthesis

    本文提出了一種設計智能腦電治療儀的系統方案，以at89c55為核心控制模塊，輔以d / a 、 a / d成為全反饋閉環系統，使用液晶顯示器為終端顯示設備，實現數字合成動態負載恆流輸出。
  14. The dissertation presents the combined theoretical, numerical and experimental studies on the experimental modeling of the actuator, the design of test rig and control system, the modeling of two - dimensional airfoil aeroelastic system, the control design of active flutter suppression, and the effect of group delay in the digital filter on the stability of aeroelastic closed - loop system

    本文通過理論分析、數值模擬與風洞實驗相結合的方法，研究了超聲電機作動器建模、翼段顫振實驗裝置和控制系統設計、二維翼段氣動彈性系統建模、顫振抑制控制律設計以及數字濾波器群時延對顫振抑制閉環系統穩定性影響等問題。
  15. The dynamic matrix control algorithms based on finite impulse response are studied. the model errors are defined in the form of upper and lower bound and the error square sum of impulse response coefficients of single - input / single - output systems. the robust stability conditions are proposed for closed - loop systems using dmc in the form of lmi, which can assure the closed - loop system using dmc algorithm to be asymptotically stable, when the coefficients of characteristic polynomial do n ' t satisfy jury ' s dominant coefficient lemma

    浙江大學博士學位論文4 .研究了基於脈沖響應模型的動態矩陣預測控制田mc ）演算法，針對單輸入、單輸出系統可能出現的預測模型誤差，分別以脈沖響應系數上下界和脈沖響應系數誤差平方和的形式對預測模型的模型誤差進行定義，根據該定義以線性矩陣不等式的形式分別提出了閉環系統魯棒穩定判據，當閉環多項式系數不能滿足j切嘆主系數定理的情況下仍能保證系統閉環穩定。
  16. Because its largest singular value curve is identical before or after the unstable process is mirror - injected, and the closed loop gain shaping algorithm constructs directly the robust controller using parameters having engineering sense according to the shape of the singular value curves of the robust performance index, the designed controller has equally robustness to the unstable process

    由於非穩定過程在鏡像映射前後的奇異值曲線相同，而閉環增益成形方法直接根據魯棒性能指標的奇異值曲線形狀用閉環系統具有工程意義的參數構造出魯棒控制器，故該控制器對非穩定過程同樣具有魯棒性。
  17. The controller can guarantee the global boundness of all closed - loop signals, tracking error to converge exponentially to a small bounded neighbourhood of zero

    所設計的自適應控制器既能保證閉環系統所有信號的全局有界性，又能使輸出跟蹤誤差以指數速度收斂到零的一個小鄰域內。
  18. And the inverter becomes smarter. during the designing, the pulse - processing ciucuit is preset which processes the feedback pulse from photoelectric encoder for close - looping the system in future. by using the circuit and quadrature mode of timer 1 in 80c196mc, incremental encoder can be embedded into the velocity regulation system more easily and the domain the inverter can be used in is enlarged too

    在系統設計過程中，考慮到了變頻調速器進一步改進為閉環系統的需要，在電路中預設了光電碼盤反饋脈沖的處理電路，通過這個電路的處理，並利用80c196mc中定時計數器1的90相移計數工作方式，可大大簡化使用增量式光電碼盤時脈沖處理的復雜度，這也擴大了本文中變頻調速器的應用范圍。
  19. At first, the robust h control for uncertain nonlinear systems with norm bounded uncertainties is studied, based on a positive definite solution of hamilton - jacobi - issacs inequality ( hji ), a sufficient condition is given such that the closed loop system is asymptotically stable and its l2 - gain is less than or equal to a prescribed value. using this condition state feedback control law and an output feedback control law which ensured robust hx performance of the closed - loop system are derived. due to the difficulty to solve hji, a method is proposed which do not require solving it by using an appropriate lyapunov function

    首先，研究了范數有界型不確定非線性系統魯棒h _控制問題，基於hamilton - jacobi - issacs不等式（ hji ） ，給出了閉環系統漸近穩定且l _ 2 -增益有限的狀態反饋和輸出反饋設計演算法。考慮求解hji的困難性，針對不確定非線性系統，通過適當地選擇lyapunov函數，提出了求解非線性系統魯棒h _控制問題的演算法，可以避免求解hji 。
  20. By using the correction approach of vary - transfer function for designing parameter of closed - loop in the area of power electronics, the system could work reliably under wide range input voltage conditions. compared with the design method of closed - loop parameter, the advantages of the correction approach of vary - transfer function were highlighted and testified by simulation and experimental results

    為了使系統能夠在寬電壓輸入范圍內穩定正常工作，本文實現了提出的變傳遞函數系統校正方法在電力電子閉環參數設計中的應用，並與閉環參數設計方法進行了比較，指出了該方法的優點，並通過模擬和實驗驗證了該方法的正確性。
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