close loop 中文意思是什麼

close loop 解釋
閉合迴路
  • close : vt 1 關(窗等),閉(眼等);蓋(蓋子等);鎖閉,封閉,塞,隔絕。 ★對 door box drawer 等,口語較...
  • 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,...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. Introduces a flexible method of calculating that can magnify the too small tolerance and improve the economic benefit of machining parts through counterchanging the roles of close loop and component loop in dimension chain

    為此,介紹一種變通演算法,變換尺寸鏈中封閉環和組成環的角色,將過小的公差放大,從而可提高零件加工的經濟性。
  3. Novel close - loop speed control technique for brushless direct current motor

    新型無刷直流電機速度閉環控制技術
  4. To improve the precision of the piezoelectric stage further, a scanning close loop system based on the mathematical model is studied and designed. experiments are also desinged to prove the precision of the close loop system. the experimental results demonstrate that the positional error of the system reduces to 0. 1 %, and the close loop system has high dynamic performance and position precision

    為進一步提高工作臺的定位精度,本文建立了基於遲滯模型的閉環掃描控制系統,並對系統的定位能力進行了實驗,實驗結果表明,系統最大定位誤差減小至0 . 1 % ,該控制系統兼顧了系統的動態響應和高定位精度。
  5. This low time constant is consistent with the stability requirements of close-loop control systems.

    這低時間常數是符合閉迴路控制系統中穩定性的要求的。
  6. For the purpose of boosting voltage, because of the effect of the load r on q, the proposed close - loop control method is the best choice to ensure the stable output voltage

    當利用諧振網路提升整機輸出電壓時,由於負載r對q值的影響,因此必須採用所提出的閉環控制方法才能保證良好的穩壓功能。
  7. The stable capability of close - loop system is proved

    對閉環系統穩定性進行了證明。
  8. Close - loop feedback identification with saturation elements

    具有飽和環節的閉環反饋辨識
  9. One robust compensation adjustment is presented, based on which and h ? mixed sensitivity control method, then a new h - control method is brought forward and is applied in the pressure - adjusting loop of this system. h mixed sensitivity control method is applied in the position - adjusting loop. system simulation and experiments prove that using these two control methods, performance of close - loop system is very good and excellent robustness is obtained too

    在此基礎上,針對h _控制混合靈敏度優化策略的特點,提出了一種新的h _控制方法,並將其應用到卷取機步進控制系統的壓力控制環節,同時首次將h _控制混合靈敏度優化策略應用於卷取機步進控制系統的位置控制環節,系統模擬和物理系統模擬實驗證實這兩種控制方法不僅保證了閉環系統特性,還具有良好的魯棒性。
  10. This thesis make a study on vector - contorl wvf system of asynchronous motor. in the course of study, making use of the mathematical model of asynchomous motor in mt axes. then both open - loop control system and close - loop vector - control system are respectively simulated with simulation block simulink in matlab

    本文對異步電動機變頻調速系統進行了研究,利用異步電動機在二相同步旋轉mt坐標系下的數學模型,使用matlab中的模擬工具箱simulink分別對開環控制系統和閉環矢量控制變頻調速系統進行了模擬。
  11. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。
  12. Design and produce the hpvs ’ s electric simulate model, combine with the double close - loop controller, simulate the system ’ s self - excited phenomenon and the badly signal ’ s character, and to find the root reason and the solution method

    然後結合雙閉環控制器和電模擬模擬模型,驗證所設計的控制方法和所搭建的控制器的有效性,並進一步模擬現場可能出現的各種情況,得到模擬結論。
  13. On the basis of these, a simplified iced aerodynamics model is established, describes the effects of aircraft icing on aerodynamic parameters. main principle and implement method of iced aircraft envelope protection system are proposed. after ascertain iced aircraft envelope, for pilot and autopilot, open - loop and close - loop aircraft envelope protection control law respective designed, ensure the aircraft will efficiently follow the flight path specified by the pilot in the safe - flight envelope

    在此基礎上,建立了簡化的飛機結冰氣動模型,以描述結冰對氣動參數的影響;給出了結冰飛行包線保護系統的基本原理及實現方法,在計算確定結冰飛行包線后,對於人工駕駛、自動駕駛飛行兩種情況,分別設計了開環、閉環飛行包線保護控制律,保證飛機在安全飛行包線內沿著預定的航線飛行。
  14. This paper also use non - linear feedback decoupling theory to decouple die vector - control close - loop system into linear decoupling of rotor speed and rotor flux linkage subsystems. the speed regulator and flux linkage regulator of these two linear subsystems can be designed with classical linear theory

    本文同時還應用非線性反饋解耦理論將矢量控制的閉環系統分解為線性化的轉速子系統和轉子磁鏈子系統,兩個子系統中的速度調節器和磁鏈調節器可按線性理論設計。
  15. This paper describes the designing principle and method of hardware and software of this system, especially discusses the precise control of the temperature and pressure in theory. we adopted the new method of intelligent pid parameters auto - tuning - - relaying pid auto - tuning. this kind of parameters auto - tuning technique fully abandons the operation of modeling and sub - modeling, and directly tune the parameters by investigating the close - loop capacity

    論文就該系統的硬體設計原理、軟體設計原理作了論述,特別對溫度和壓力的精確控製作了理論上的研究,採用了新型的智能pid參數自整定策略? ?繼電型pid自整定,這種控制器參數自整定技術完全摒棄了建模與建子模的運算,通過對閉環性能的測試,直接進行整定參數的操作。
  16. Chaos in three typical topology power electronic converters with a close loop controller is studied. the discrete iterative model is established and analyzed for the chaos in close loop boost converter working in discontinuous conduct mode. the tracking control method is used to control chaos of this converter, simulation results show its effectiveness

    研究了三種典型拓撲結構的電力電子變換器閉環工作時的混沌現象,針對工作在電流斷續模式( dcm )下的boost變換器中的混沌現象,分析了其數學模型,並採用軌跡跟蹤控制方法進行了控制,模擬結果表明了該方法的有效性。
  17. Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well

    運用自適應干擾對消原理和空間矢量的概念,提出了一種基波正序分量、基波負序分量及諧波分量的自適應檢測方法,並進行了詳細的理論分析,為研究hvdc - vsc的不對稱運行控制奠定了基礎。
  18. Close loop gain

    死循環增益
  19. Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback

    根據熔化極co2焊機具有燃弧和短路兩種工作狀態,且兩種狀態下控制目標不同的特點,在控制系統中設計了雙閉環反饋:焊接電壓反饋及焊接電流變化率di / dt反饋。
  20. The paper lucubrated the control theory of induction motor ' s vector transform and the method of calculating speed by induction motor ' s torque current weight, based on which, the paper designed a close - loop speed - sensorless vector control vwf system and realized the system in matlab / simulink

    本文深入研究了感應電動機矢量變換的控制理論和利用電動機轉矩電流分量進行速度推算的方法。在此基礎上設計了一個閉環的無速度傳感器矢量控制變頻調速系統。
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