closed loop feedback 中文意思是什麼

closed loop feedback 解釋
閉環反饋
  • 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。
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  • feedback : 反饋的信息
  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. 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. 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
  7. Mc closed - loop control method based on dsvm is presented, in which the rms value of output line voltage is taken as feedback and pi regulator is adopted

    提出了雙空間矢量調制矩陣變換器的輸出電壓有效值閉環的控制方法,將矩陣變換器輸出線電壓有效值作為反饋值,採用pi調節器實現系統的閉環控制。
  8. 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
  9. In this system, the closed loop is composed of velocity measurement machine used as velocity feedback and coder used as position feedback, the feed - forward signal of ship swaying is measured by rate gyro

    該系統用測速機構成閉環,作速度反饋,編碼器作位置反饋,速率陀螺測量並前饋艦船搖速度信號。
  10. 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。
  11. In the closed loop, the information is transmitted to dsp from mcu and compared to the feedback data. then, the result would be transmitted back to the mcu for adjusting the wfs, voltage and so on to the setting values

    採用閉環控制系統,將這些參數與反饋的數據比較、計算后,再通過da輸出來調整和控制送絲速度,焊接電壓等,使其保持在設定值。
  12. 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。
  13. We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy

    並對系統主電路的元器件參數進行了詳細的計算;設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的逆變控制電路;採用了模糊邏輯與鎖相環相結合的控制技術,提高了電源的啟動成功率;採用電流、電壓雙閉環反饋方案,採用槽路電容電壓和槽路電流作為反饋信號,從而保證了電源功率的輸出精度。
  14. After analyzing compensation conditions for 3 - axis stabilization to overcome disturbance from ship surge, sway and yaw, two control strategies - feed - forward compensation and closed - loop feedback compensation - are given. these two strategies are applied to antenna stabilized tracking system with good performance. intelligent pid is used in closed - loop feedback compensation to get high tracking precision and rapid response

    重點分析了天線穩定控制系統的三軸補償條件,提出了穩定系統抑止載體擾動的控制策略:對于橫滾和俯仰系統採用前饋補償的控制策略;對于方位系統,在以步進電機為驅動元件的特定條件下,研究了變控制周期的閉環反饋策略,同時成功將智能pid演算法應用於實際系統,提高了系統的跟蹤精度和響應快速性。
  15. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計,該航跡產生器是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。
  16. Based on the modularized asi, cascade inverter topology structure and modulation mode is introduced in this paper. comparing with several control strategies such as single closed - loop feedback and dual close - loop instantaneous value feedback, the voltage - current dual closed - loop control strategy, which is the voltage effective value feedback and inductance current instantaneous value feedback, is adopted

    針對級聯逆變器討論其pwm調制技術,在比較幾種pwm調制技術的基礎上,對該級聯逆變器採用倍頻載波移相調制技術,其輸出不含載波諧波,邊頻諧波次數比二階和三階調制的邊頻諧波次數提高一倍,等效開關頻率也提高一倍。
  17. As a necessary supplement to rough segmentation, accurate segmentation improves its accuracy. a closed - loop feedback controller is designed to adjust parameters of the texture analysis algorithm

    為了克服粗定位存在的定位精度不高的問題,本文提出並設計了閉環反饋的控制器來改進紋理分析演算法。
  18. 6. a closed loop feedback cascade ins / gps / sar integrated navigation system is designed and give simulation. the ins / gps integrated subsystem is studied in deep, then discuss the application of the multi - sensor data fuse in ins / gps / sar integrated navigation system

    (六)對工ns / gps / sar組合導航系統的整體方案進行模擬研究,設計了一種級聯閉環反饋組合導航系統並對其方案和演算法進行了深入的研究。
  19. 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。
  20. 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。
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