closed feedback control system 中文意思是什麼

closed feedback control system 解釋
閉合反饋控制系統
  • closed : adj. 1. 關閉著的,封閉著的;密閉著的;保密的。2. 〈美國〉準備好了的;定了契約的。3. 【語音】閉音節的。
  • feedback : 反饋的信息
  • 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...
  • 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. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方法,將系統的偏微分方程模型轉化成了模態模型;研究了狀態反饋和獨立模態方法;進一步完善了軟體界面以及軟體功能;在實際系統中,應用狀態反饋演算法,有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。
  2. 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。
  3. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中,首先通過建立系統的數學模型,分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性,包括它的環流特性、功率特性和電壓閉環調節特性;在此基礎上,又研究了幾種典型的並聯運行控制方式;然後,採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  4. 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。
  5. Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system

    以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統,具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型,模型既簡單,又有足夠的工程應用精度,為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎
  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. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為閉環系統的反饋信號來產生、調節模糊控制器的規則庫,並通過引入最優逼近誤差的自適應補償項來消除建模誤差的影響,不但能保證閉環系統穩定,而且可使跟蹤誤差收斂到零。
  8. To realize the large stroke microfeed in this feed system, the microfeed system of closed - loop feedback control was adopted. the system is controlled by the 89c5 1 singlechip computer and combinely driven by the stepmotor and piezoelectric ceramic, the worktable ? position is measured by the raster position sensor

    為滿足進給系統能實現大行程的微量進給的要求,系統採用了由89c51單片機控制,由步進電機和壓電陶瓷復合驅動,並通過光柵位移傳感器進行位移檢測,從而形成閉環反饋控制的微量進給方式。
  9. By means of linear matrix inequalities, a sufficient condition is given such that a prescribed discrete singular system is admissible and strictly passive. moreover, under certain conditions, a static state feedback control law is designed such that the resulting closed - loop system is both admissible and strictly passive

    利用線性矩陣不等式,給出離散廣義系統容許且嚴格無源的充分條件,並且基於此條件在一定假設下給出存在狀態反饋控制器,使得閉環系統容許且嚴格無源的充分條件。
  10. Through small signal stability analysis and transient stability simulation in a typical hvdc system ( epri 36 ), the results show that some characters of closed - loop system on the basis of associated feedback control, such as angle stability, voltage accuracy and small signal stability, are better than those of avr + pss

    通過一個典型交直流電力系統( epri - 36系統)的小干擾穩定計算和暫態模擬表明,關聯測量分散勵磁控制下的閉環系統在功角穩定性、電壓調節精度以及小干擾穩定性方面均優于常規勵磁附加pss 。
  11. Finally, the closed loop control strategy through nonlinear states feedback is designed by a lyapunov function for the averaged system and realize the position control of the non - holonomic robot. the simulation results show that the open - loop control method based on neural network and the feedback control method of the position are effective

    模擬結果表明本文設計的基於神經網路的位置開環控制方法及針對簡化哈爾濱工程大學博士學位論文後的平均系統設計的基於李亞普諾夫函數方法的非驅動臂任意位置臂環控制是非常有效的。
  12. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場合;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  13. As we know, the problem of an infinite - dimensional linear system is to decide a feedback control, such that the c _ ( 0 ) - semigroup corresponding to the closed - loop system is stable

    無限維線性系統的穩定化問題就是選擇反饋控制,使得閉環系統相應的c _ 0 -半群具有穩定性。
  14. While in a high performance speed closed - loop control system, the speed signal is essential for the feedback

    然而在一個高性能的速度閉環控制系統中,速度反饋信號又是必須的。
  15. First of all, based on the administration function chart of cangzhou area, a simple closed loop control system model was abstracted, and through theory analysis of the model ' s input signal, controlled object, feedback facility, controller and system disturbance, the difference between this model and common model was showed and the characters of cangzhou area ' s sustainable development system were discussed

    以滄州區域行政運行圖為背景,抽象出一種簡單的閉環控制系統模型,並對該模型的輸入信號、被控對象、反饋裝置、控制器和系統干擾等特徵進行理論分析,說明該控制模型與普通控制模型的區別,以及滄州區域可持續發展系統的特點。
  16. The stochastic structure and stochastic intelligent truss structure are taken as research object in this paper. the analytical model and method of the structural dynamic characteristic are investigated. when the applied forces are random excitation or random process ( stationary random process or non - stationary random process ) excitation, the structural dynamic response, the active vibration control for the intelligent structure, the optimal placement of the sensor and the actuator and the optimization of the feedback gains of the closed loop control system for the intelligent structure, and the effects of the structural parameters on the active vibration control et al are all studied systemically

    本文以隨機結構和隨機智能桁架結構為對象,對結構動力特性分析模型與求解方法進行了研究;對結構在隨機力或隨機過程(平穩隨機過程或非平穩隨機過程)激勵下,結構的動力響應、結構的振動主動控制、智能結構中作動和傳感元件配置位置與閉環控制系統增益優化、結構參數對振動主動控制效果的影響等問題開展了全面而系統的研究。
  17. Now design efficiency of common gas boiler can reach 90 percent or so, but various factors such as load, fuel quality, work condition and pressure which result in uncompleted burning of gas and excess air, decrease boiler hot efficiency and cause resources waste and environment pollution. considering these it is essential to adopt closed loop feedback control to boiler burning system

    現今,一般的燃氣鍋爐設計效率均能達到90 %左右,但在實際運行中,因負荷、燃料品質、工作環境、壓力、混合情況等因素的影響,往往造成燃氣不完全燃燒或空氣過量,使鍋爐熱效率降低,造成能源浪費與環境污染,在這樣一種背景下,有必要對其燃燒系統進行閉環反饋控制。
  18. For better performance in the circumstance of different hand - drawn shape input, an adaptive hmm ( ahmm ) structure is presented which combines single - band integral algorithm and an adaptive compression ratio control technique into one closed loop feedback recognition system, the ahmm can adaptively compress feature vectors according to geometry feature of input graphics, also can it adaptively adjust the feature compression ratio by feedback, this recognition structure achieve good performance in recognition

    為了使識別系統能夠更好的適應輸入圖形的變化,本文提出了一種ahmm識別結構,利用基於單邊積分的特徵壓縮演算法和自適應壓縮率調整技術構造了一種閉環反饋識別系統,既能夠根據圖形的幾何特徵自適應的壓縮特徵向量,又能夠通過閉環反饋調整特徵向量壓縮率,達到了很好的識別效果。
  19. In this thesis, the closed - loop input shaping is the focus. we would discuss how to design input shaper combining the pd control and stating feedback control. because the input shaping delay the input, and we would discuss the stability of the closed - loop input shaping system

    近期對輸入成型的研究主要集中在開環情形,本文將重點研究系統的閉環輸入成型控制,將輸入成型技術結合pd (比例微分)控制、 lqg最優控制這些反饋控制技術,完成前饋與反饋的互補。
  20. 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 。
分享友人