標定轉子 的英文怎麼說

中文拼音 [biāodìngzhuǎnzi]
標定轉子 英文
calibration rotor
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 轉 : 轉構詞成分。
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 標定 : demarcate; calibration; calibrating; standardization; pointing
  1. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  2. As a non - linear and multi - coupled system, the control of the ac induction motor ( acim ) has long been challenging. thanks to the vector control algorithm, acim can offer the same control capabilities and dynamic performance as traditional high - performance dc motors. with the vector control algorithm, the stator current of acim can be expressed in two orthogonal axes, and thus the rotor flux part and torque are de - coupled

    交流感應電機難于控制是因為它是一個非線性、多耦合的系統，矢量控制演算法通過坐標變換將異步電機的定子電流分解為轉子磁鏈方向和與之垂直方向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦，使得交流感應電機的動態性能可以和直流電機媲美。
  3. Thermal stress control system actually gather the real - time data of unit sets ， compute temperature fields ， stress fields and maximum dangerous stress by the math modal ， decide target and speedup rotation in every stage of startup process ， and justify automatically to realize auto control a serial of processes of turbine ， such as speedup ， warm - up ， connecting net ， load changing ， stop and unsteady condition etc ， and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統實際是對機組運行參數進行實時採集與監控，通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈，以及最危險熱應力，以確定啟動過程各階段的目標轉數及升速率，並進行自動調整，實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制，大大提高了機組的自動化水平。
  4. This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision

    這其中的交流步進控制理論打破了傳統的增量運動控制思想，打破了連續與離散，速度與位置，旋轉和步進的嚴格界限，以定、轉子磁場空間矢量為主要控制目標，將增量控制與運動控制有機的結合起來，使增量控制向大容量、高效率、高精度方向發展。
  5. The outcome shows that such digital electronic speed governor is in possession of stable timing rate of 1. 0 % and instantaneous timing rate of 6. 2 %. and it is worth a wide popularization for its simple structure and low cost

    在對hondagx31汽油機進行了大量試驗后結果表明：在標定轉速6000r min時，該電子調速器可以達到1 . 0的穩態調速率和6 . 2的瞬態調整率，優于國家標準的要求。
  6. Space vector control according as ac induction motor two - axis theory speed separates the stator current into two components. one is the torque component ; the other is the flux component. a structure similar a dc machine structure where torque and field can be controlled independently is given

    矢量變換控制是以交流電動機的雙軸理論為依據，在同步旋轉坐標系中把定子電流矢量分解為兩個分量：一個分量與轉子磁鏈矢量重合，稱為勵磁電流分量；另一個分量與轉子磁鏈矢量垂直，稱為轉矩電流分量。
  7. It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage

    並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。
  8. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。
  9. Zeron has been buckling down to press related automation equipment and always provide products that achieve customer ' s cost reduction requirement from 2001, we offer : mechanical press cnc controller, digital cam, die height indicator, crank angle display, tonnage monitor, calibration load cell, and with cabinet ' s total solution for press control

    南京澤榮自動化系統有限責任公司自2001年以來一直致力於壓力機自動控制領域產品的開發、生產和銷售以滿足客戶降低成本、提高效率之需求，我們的產品包括:高速壓力控制系統，電子凸輪，模高指示器，轉角指示器，噸位監控系統，壓機標定系統，以及帶電控櫃的全套控制系統等
  10. Secondly, it begins to explore the vital effect of the early - warning system in survival development for it industry in fujian, besides the characteristics, precondition, building process, structure and function. thirdly, it establishes an index system, which includes a constraint layer of three constraint factors, such as industrial science and technology, industrial economics and industrial circumstance, and 19 indexes. in order to ascertain the dividing lines of alarming situation, it introduces the concept of subordinate degree

    論文首先提出福建省電子信息產業可持續發展理論，在此基礎上，探索預警系統在可持續發展中的重要作用，分析電子信息產業可持續發展預警系統的特徵、建立的前提條件、構建過程及其結構和功能；然後構建一套由產業科技、產業經濟和產業環境三個約束因子構成的約束層，及由19個指標構成的福建省電子信息產業可持續發展預警系統指標體系，並引入模糊數學的隸屬度概念，將預警界限的確定轉化為相應隸屬度的確定，預警結果的輸出採用紅、黃、綠三色信號燈顯示系統法；最後用1995 - 2001年福建電子信息產業的相關統計數據對所建立的福建省電子信息產業可持續發展預警系統進行實例驗證。
  11. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制，使系統同時具有轉速和勵磁調節兩個調節通道，具有如下優點：一、解決了超同步工作工況不穩定的問題；二、提高了定子側的功率因數（與轉子側功率因數為1相比） 。三、由於速度調節在轉子坐標系下進行，並以轉子電流矢量定向，所以無須轉子位置傳感器，也不用檢測初始位置，易於組成無速度傳感器雙饋調速系統。
  12. Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate

    在對損耗分析的基礎上，建立了考慮鐵損時異步電機的動態數學模型，推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法，並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。
  13. A transient mathematical model of the asynchronous motor is built taking core loss into account to improve the torque performance. a method is proposed to minimize the total loss according to the relation between the efficiency and the rotor flux. a dtc system using this method appear high efficiency in matlab - simulation

    本文通過對電機損耗的分析，建立了考慮鐵損時異步電機的數學模型，推導出電機的損耗和轉子磁鏈的關系，通過坐標旋轉變換，得出損耗最小時的直接轉矩控制的定子磁鏈參考值。
  14. 0. 58. 5 kgf cm2 oilless compressed - air pass through depressure, pressure stabilizing valve to keep its pressure constant, indicate by pressure meter, its pressure magnitude about 1 kgf cm2 then via flow control valve control flow, gas flowrator can indicate its gas valve generally at 60 standard liter hour

    0 . 5 8 . 5 kgf cm2無油壓縮空氣經減壓穩壓閥保持其壓力為恆定，由壓力表指示，其壓力大小約為1kgf cm2再經流量控制閥控制其流量大小，氣體轉子流量表可指示其氣量值一般在60標準升小時。
  15. In engineering, vector control ( vc ) is called as filed orientation control ( foc ). the principle of foc is to divide stator current into two dc components. one of them is oriented to the rotor magnetic flux, another is oriented to the torque. the operating process can be carried out by transforming coordinate in magnitude flux and torque keeping consistent conditions

    矢量控制一般稱為磁場定向控制，該控制理論的原理是在轉子磁通和轉矩保持不變的情況下通過坐標變換將異步電機的定子電流分解為按轉子磁場定向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦。
  16. If this option is not specified, the world, view, and projection transforms are modified so that sprites are drawn in screen - space coordinates

    如果未指定此選項，則修改世界、視圖和投影轉換，以便以屏幕空間坐標繪制子畫面。
  17. A permanent magnet synchronous motor is selected so that the system could work excellently. multiform measures are taken to weakening the torque ripple, such as adopting stator - flume, choosing right ratio of magnet - width and slot - width, and programming properly. a permanent magnet synchronous motor cad software is worked out for predigesting the design of the motor

    力矩脈動是衡量交流伺服系統性能優劣的重要指標，為達到理想的控制效果，系統採用正弦波驅動的稀土永磁同步電動機作為執行元件，電機本體的設計綜合採用定子斜槽、將轉子永磁體連續移位、合理選擇永磁體寬度和齒槽寬度比等方法，基本消除了齒槽轉矩；對于紋波轉矩，系統採用軟體的方式加以削弱和補償。
  18. The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”

    本文設計了石英晶體壓電傳感器，以它作為傳感元件把咬合力信號轉變成電信號;利用ts5860型準靜態電荷放大器把傳感器的電荷信號轉變成電壓信號;選用usb7822數據採集卡，編寫該數據採集卡的驅動程序，採集該電壓信號並送到計算機里;編寫labview程序對該信號進行處理，得出咬合力值和咬合力曲線，並把測量結果以電子表格的形式保存，以便做進一步的分析和研究。通過對該測量儀的靜態標定、動態標定、溫度漂移標定以及實際測量試驗，證實了本測量儀具有較高的靈敏度、受動態力和溫度變化的影響比較小、能實時地顯示咬合力曲線和較準確地顯示咬合力值，滿足了咬合力測量的要求。
  19. In order to calibrate properly the thin reservoir of hd4 oilfield with acoustic velocity, based on the theory of well - to - seismic calibration, the influence of the dominant frequency, kind and phase of the wavelet, and acoustic velocity on the synthetic traces was analyzed, moreover, the differences between interval velocity from stacking velocity and acoustic velocity were discussed

    為了利用聲波速度對薄儲層進行有效的井震標定，從井震標定的原理出發，以哈得四油田的井震標定為例，分析了標定過程中子波的主頻、類型和相位及聲波速度對合成地震道的影響，同時分析了聲波速度與疊加速度轉換的層速度之間的差別。
  20. In this thesis, a single disk rotor supported by two rolling bearings is used for studies, and a new method of reducing the vibration is proposed. the main works of this thesis are as follows : based on the comparison of various control methods for vibration suppression, a kind of passive electro - magnetic damper is presented. the structure of it is similar to that of the active magnetic bearing

    為了降低轉子的振動，增加系統的穩定性，本文在總結當前國內外學者研究的基礎之上，提出了被動式電磁阻尼器的概念，並確立了本文的研究目標和研究方法：以工程應用為背景，結合轉子動力學理論、電磁學理論以及數據採集技術，以理論輔以實驗的方法，對被動式電磁阻尼器特性進行深入研究。
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