open loop control 中文意思是什麼

open loop control 解釋
開環控制
  • open : adj 1 開著的,開放的;可進入的,可分享的 (to); 無蓋的,敞口的;敞開的;展開的;開的;開闊的,開...
  • 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,...
  • 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. Based on the study of transferring characteristics of the lcc - type resonant voltage, the parameter combinations, which make widths and magnitudes of voltage pulses of resonant network adjustable, arededucedo when the following requirements are met : fn > 3, k > 3 or cp / cs > 8, the above circuit is of natural voltage - stabilized characteristics, thus open - loop control method for bucking voltage is presented and the experimental results verify that the method is feasible.,

    實測整機在額定負載時效率達到88以上。在研究lcc諧振網路電壓傳輸特性的基礎上,推導出滿足可變寬度和幅度的諧振網路輸出電壓脈沖列的參數組合。設計f n 3 、 k 3或c _ p / c _ s 8時,諧振網路具有自然穩壓特性,因此本文提出並實驗驗證了一種整機為降電壓時的開環控制策略。
  2. 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。
  3. Thus, an open loop control scheme and a closed loop control scheme based on chopper system are introduced. lastly, a hardware and software design based on m icro - controller is presented

    本文最後對基於斬波方式的三相交流異步電動機的軟起動方法給出了基於遠程監控的具體實現方案。
  4. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  5. While tv signal is switched, scm outputs volume adiusting code with refference to default volume in a certain period to realize closed loop control of tv accompanyind sound, afterwards back to open loop control

    當信號切換操作時,在一定時間內以默認音量值為參照,由單片機發出電視接收機音量調節編碼,實現電視伴音音量閉環調控,調控結束后恢復開環形式。
  6. Open - loop control

    開放一個終端站
  7. When considering this response it is convenient to look at closed-loop and open-loop control situations separately.

    在研究這一反應時,分別觀察閉環和開環操縱情況是方便的。
  8. Here the system is similar to open - loop control system

    二階欠阻尼振蕩系統是系統中較為常見的控制系統。
  9. Mine support ; graphical symbols for the open loop control of powered support

    礦井支承.動力支承的開環控制裝置的圖形符號
  10. The antenna pointing control is open loop control without feedback. the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed, as well as the influence of damping, tacking velocity and trusting time

    文章分析了天線作跟蹤運動和星體作姿態調整時,對星體姿態控制精度和天線的指向精度影響,同時分析了阻尼、跟蹤速度、噴氣脈沖寬度等因素變化對動力耦合程度的影響。
  11. As n1 less than 85 %, it gives the open - loop control law of fuel and staff, and when n1 more than 85 %, it adopts close - loop to fuel. the paper designed pi controller and adopted reasonable portion for envelopment. 3. the paper studies transition control process of the engine and gets the main fuel control law of accelerating and decelerating which has been simulated

    第二,對其穩態控制過程進行了分析研究,當n1小於85的自始轉速時,給出了供油量與油門桿之間的開環控制規律:當n1大於85的自始轉速時,採用分塊的pi控制方法對燃油進行閉環控制,且對飛行包線進行了合理的劃分,用優化方法設計出了pi控制器並用matlab進行了模擬。
  12. Capp is the important part in course of manufacturing layout. the paper adopts capp system in alternate style. according to characteristic of the prosthetic socket, the open loop control way is used in the servo system and the advantech 3 - axis high speed stepping motor control card is selected t o control three stepping motor ' s gain

    針對假肢接受腔的製作特點,選擇數控機床伺服系統的控制方式為開環控制,並採用研華運動控制卡控制三個步進電機的進給,控制卡的庫文件可以實現三軸聯動功能。
  13. Based on the pim, the closed - loop and closed - open - loop control algorithm under the instantaneous optimal control strategy are acquired, so it has practical significance in active control. at last, the simulation analysis of numerical examples demonstrate that the methods are superior to the conventional numerical methods, and has excellent precision, efficiency and stability

    最後,在c + + builder環境下編制各演算法程序,算例模擬結果表明,本文演算法優于經典數值解法,有很好的計算精度、效率及穩定性,且精度易於控制;同時,用精細積分下結構控制演算法進行結構控制模擬,得出較理想控制效果。
  14. 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。
  15. This paper study a two - phase inverter - fed induction - motor drive, which can be widely used for low - power, variable speed drive system. the study has completer the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use. it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of singlechip controller, power drive device, inverter - fed device, a low power tow phase induction motor and safeguard circuit

    本文研究了一種新型電壓空間矢量控制兩相逆變器?異步電動機的變頻調速系統,該系統可以廣泛應用於小功率、寬調速運行的場合。本項研究完成兩相逆變器的設計,並組成了試驗用的兩相逆變器?異步電動機系統。系統是一個轉速開環的變頻調速系統,由單片機機控制電路、功率驅動電路、逆變器主電路、保護電路組成。
  16. While volume adjusting is evoked, default volume is collected under the mode of open loop control

    當音量調節操作時,則在開環形式下完成默認音量的采樣更新。
  17. Stepper motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal. because of having the advantage of easy open - loop control and no accumulating error, stepper motor is being applied widely in many fields

    步進電機是一種將電脈沖信號轉換成相應的角位移或線位移的機電元件,具有易於開環控制、無積累誤差等優點,在眾多領域獲得了廣泛的應用。
  18. For the finite propulsion reentry guidance, the conventional closed - thruster equation based on open - loop control loses its way

    摘要解決有限推力模型的再入飛行器初制導問題,利用傳統開環控制的關機方程達不到要求的精度。
  19. It is shown that closed loop circuit feedback control and open loop control are separated during the zero - power start up process. the self - starting of the medium frequency converter is achieved

    論文分析了通過plc對感應加熱進行閉環控制的控制策略,並採用了閉環開環分離的方法,解決零電壓啟動問題。
  20. Damping force can be controlled in one of the two ways, open loop control or force feedback control. during research, in this paper, both damping control strategy and the damper modeling are combined in the same system model, and the simulation model

    本文在研究阻尼控制策略時,把阻尼控制策略和可控阻尼器模型這兩個方面結合到系統模型中、融合在模擬實驗環節中。
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