orientation control 中文意思是什麼

orientation control 解釋
定向控制
  • orientation : n 1 向東，（禮拜時）東向；置於東端。2 （房屋等）方向；找出東方；定位，定向；取向，排列方向。3 （...
  • 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. The author suggests that the three lithosphere - scale faults, lancangjiang fault, jinshanjiang - ailaoshan fault and axis fault in the middle of the basin, are the main geological structures that control the formation of basin, magmatism and metallogenic congregate district. the anticline structure with an axis of triassic strata and the related fault system within the basin, and gonglang arch - shaped folding structure in the south of the basin are the geological structure controlling the formation of ore fields. junctions of two or more faults with different orientation, interlayer cataclastic structural zone and oxidation - reduction ( redox ) boundary were the favorable position for the formation of ore bodies

    認為瀾滄江斷裂、金沙江-哀牢山斷裂及盆地中軸斷裂這三條巖石圈斷裂是主要的控盆-控巖（巖漿巖）構造及礦集區尺度的控礦構造；盆地中以三疊系為軸的背斜構造及相關的斷裂系統、盆地西南緣公郎弧形構造等是礦田尺度的控礦構造；多組斷裂的交叉、層間破碎帶及地層柱中的氧化還原界面是形成礦體的有利部位。
  2. Among various fabrication techniques of thin film, the sol - gel process has gained much interest for the preparation of pzt thin film, due to ihe advantages of good homogeneity, easy control of composition, low in - ill i reaving temperature, easy formation of large area thin films pb ( zrxti : - k ) 0 :, ( pzt ) films were prepared on the ito coated glass plates and low resistor silicon wafer in sol - gel dip - coating process associated wi di heat treatment : at different temperatures and characterized by x - ray diffraction ( xrd ) and transmission electron microscopy ( tem ). lt is shown that the pzt ferroelectric thin films with ( 110 ) preferred orientation and well - crystallized perovskite structure can be obtained after annealing at 680 ? for 30 minutes on ito substrate and at 800 " c for lornin on silicon substrate

    Pzt的制備方法有很多，其中溶膠?凝膠（ sol - gel ）方法可以和集成電路（ ic ）光刻工藝相互兼容，處理溫度低，有大面積塗敷性能，能精確地控制組分，無需復雜的真空設備，成本低廉，所以對于集成鐵電薄膜電容的應用這種方法有很廣闊的前景。本文利用sol - gel技術在摻錫的in _ 2o _ 3透明導電薄膜（ ito ）襯底和低阻硅襯底上成功地制備了pzt鐵電薄膜。運用了x射線衍射， sawyer - tower電路和lcr電橋分別對薄膜的晶化溫度，結構和電學性能進行了測試。
  3. It adopts computer digital controlled system plc orientation mo dule touch scerrn to control, realizing x z w axis direction s precise orientation by ac servo system. in actual operation, just put the glass on the transmission belt, input drilling position data on the screen, press the start button, the machine will automatically position itself and finish all drilling operations, and automatically stop when the works is completed. this machine s two group drilling heads can work at the same time, one group drilling head is also ok. this machine has high drilling efficiency and accurate position, is an ideal choiceness equiment of scree - wall glass and other large specand volume production glass drilling

    該機採用計算機數控系統plc定位模塊觸摸顯示屏控制，由交流伺服系統實現x z w軸三個方向的精確定位。操作時只需將玻璃放在傳送帶上，在顯示屏上輸入鉆孔位置，按啟動按鈕，自動定位鉆削所有孔位，完成工作后自動停機。本機兩組鉆孔機頭可以同時工作，也可以單組機頭工作。
  4. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  5. Conclusion : achievement goal orientation, uncertain personal control, self - deprecation are closely related to academic self - handicapping

    由此得出成就目標取向、不可控感、自我貶低與大學生學業自我妨礙密切相關的結論。
  6. The paper studied actual method of imc about panoramic aerial camera, and put forward a true _ angle imc method in scanning orientation. the true _ angle imc is independent of scanning velocity, and the demand of drum control system ' s rotational velocity ' s precision is reduced. at last, through experiments, the true _ angle imc was validated

    研究了全景相機像移補償的具體實現方法，提出了相機在擺掃方向上的真角度補償方法，補償后的像移誤差與擺掃速度無關，從而降低了對鏡筒掃描系統的穩速精度要求。
  7. Step - nc ( iso14649 ) expends step into the area of cnc and renews the data interface between cax and cnc, which helps cnc system to use data models of products in three dimensions according with step directly in order to output nc programs then control machines directly, eliminate choke points of the information stream between cax, such as cad, capp, cam, cae, ped, erp and so on, connect the design product information and manufacturing product information on the base of step in the form of object - orientation, and change the traditional movement and switch control - orientation numerical programs into object - orientation programs

    Step - nc （ iso14649 ）將step擴展至cnc領域，重新規定了cax與cnc之間的介面，其目的是: cnc系統能夠直接使用符合step標準的cad三維產品數據模型，直接產生加工程序來控制機床;在step的基礎上以面向對象的形式將產品的設計信息與製造信息聯系起來，消除cax （如cad 、 capp 、 cam 、 cae 、 ped 、 erp等）與數控系統之間信息流瓶頸;將傳統的面向運動和開關控制的數控程序改變為直接面向加工對象的數控程序。
  8. The saturn guidance and control systems are designed to provide the proper trajectory and attitude orientation for the vehicle over a range of expected missions.

    土星的導引和控制系統的設計能使飛行器在規定的任務范圍內提供合適的彈道和姿態方位。
  9. A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion

    翼剖面；機翼；翼面一個部件或平面，如機翼、螺旋槳葉、方向舵等，其形狀或方位控制穩定性、方向、抬升、沖擊或驅動
  10. Electronic jacquard controller ( ejc ) is an embedded control system in the jacquard orientation, which connects with fabric - cad and the weaving. this paper include four parts

    電子提花控制系統又稱為電控箱，是一個面向提花織造行業的嵌入式控制系統，用於承接前端cad設計和電子提花機的織造。
  11. 3. in e - government security value orientation through the research government ' s organizational structure, the government movement process, withdraws the government activity which relatively stable role and the task as the key aspect for the access control

    3 .在電子政務安全的價值取向一節中通過研究政府的組織結構、政務的運行過程，提取政務活動中相對穩定的角色和任務作為訪問控制的關鍵因素。
  12. It analyzes the hydrologic effect from the aspects of rainfall interception of plants, splash erosion reduction and surface runoff control, analyzes the mechanical effect from the aspects of tensile strength of single root of plant, root - soil interaction, root - soil composite and slope stability and finally approaches to the future development orientation of slope protection by vegetation

    從植物的截留降水、削弱濺蝕和抑制地表徑流等方面分析了植被護坡的水文效應，並從植物單根抗拉強度、根土相互作用、根土復合體及邊坡穩定分析等方面分析了植物護坡的力學效應，最後探討了植被護坡的發展方向。
  13. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  14. The choice and use of driving element in the nano - orientation control system directly affect the ultimate performance target of the control system

    納米級定位控制系統中驅動元件的選擇和使用直接影響著控制系統的最終性能指標。
  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. In the paper, the principle and actualizing means of spatial vector control have been systemically discussed and the control software has also been designed. the magnitude of both the rotor flux and the current in torque component have been estimated by using a flux observer, which is developed based on field orientation control principle. the results show that the observer has a good feature due to its speed being calculated without speed sensor or additional hardware

    本文對矢量控制的原理、控制方法以及控制實施策略進行了較為系統的分析與研究，利用速度間接觀測理論，建立了異步電機的磁通觀測器，電機的定子磁通和電流的轉矩分量可以通過磁通觀測器估算出來，從而得到電機的轉速，並由此建立了異步電機無速度傳感器矢量控制的理論數學模型和相應的控制演算法，在此基礎之上，利用工程中常用的電機專用dsp晶元tms320lf2407作為處理器，對異步電機進行變頻調速控制。
  17. In rotor flux orientation control, rotor time constant t2 is a key issue of high performance vector control technology

    在轉子磁場定向異步電機矢量控制系統中，正確的轉子時間常數是高性能矢量控制系統的關鍵。
  18. To solve the problem, researches on the theory of refine rolling mill cycloconverter - feed synchronous motor vector control system are carried out, while the characteristic of this system are analyzed and the model of air - gap flux orientation control system of synchronous motor is set up

    針對這種情況，本文對精軋機交-交變頻同步機矢量控制系統運行原理進行了研究，分析該矢量控制系統的特點，建立了氣隙磁場定向控制的交-交變頻同步電機矢量控制系統的模型。
  19. Study on orientation control system of nc based on plc

    的數控定位控制系統研究
  20. Research status and performance of pneumatic ratio servovalve are deeply analyzed. they provide theoretical base for high accuracy orientation control of servo control system and pointers for improving system performance. additionally

    對氣動比例伺服閥的特性與研究狀況進行了較為深入的研究，為伺服控制系統的高精度的定位控制提供了理論基礎，改善系統性能提供了指針。
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