有效轉矩 的英文怎麼說

中文拼音 [yǒuxiàozhuǎnjǔ]
有效轉矩 英文
available torque
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 轉 : 轉構詞成分。
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 有效 : effective; valid; efficacious
  1. The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance

    運行結果表明，此方案能有效地抑制無刷直流電動機低速時的轉矩脈動，更好地改善系統的動態性能。
  2. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性，定位方案等多方面考慮，尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法，並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體，利用體外的組合電磁線圈產生加載電流控制的驅動磁場，其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成，通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度，作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩，從而有效地完成驅動動作要求。
  3. Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively

    文章中還建立一種基於模糊神經網路的非線性模型，並對比分析了三種方法，模擬中確定了電機的最優開通關斷角，在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制，模擬結果表明，它實現了電機的正常運行，很好的抑止了電機轉矩脈動，同時有效地降低了噪聲。
  4. The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120

    模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。
  5. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  6. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  7. Taking the 718 model gimble as an object, the paper focuses on the influences of the nonlinear friction moment and the motor torque wave to the system ' precision at low speed first, then, makes the theoretical analysis and simulation. the experimental verification is carried out in the 718 model for the effectiveness and feasibility of the discussed compensation methods. the low speed properties and the main reasons for the jitter are analysed

    本文以718模型轉臺為研究對象，針對伺服系統低速工作時影響其精度的非線性摩擦力矩、電機波動力矩，從理論上進行了一系列的分析和模擬研究，討論了低速補償方法，並在718模型轉臺伺服控制系統中實驗驗證了補償方法的可行性和有效性。
  8. Effectiveness of the proposed control method is verified through simulation

    模擬試驗證明所提出換相轉矩脈動抑制技術的有效性。
  9. This method can rapidly extract speed law from starting current of dc motor with fairly good precision, and thus the torque - speed characteristic can be acquired

    並通過提取直流電機起動過程電流信號的瞬時頻率有效地研製了一套無轉矩轉速傳感器直流電機的快速測試系統。
  10. With the increase of the row number n in a range, the transmitting torque of erc is enhanced, but then begin to reverse when n reaches eight. so number eight was proved to be the optimum row number for the model device ; ( 2 ) the variations of strips length only have effect on the transmitting process. with the strips length varied from 0 to the full length of transmitting cylinder, the transmitting torque of erc is continuously enhanced ; ( 3 ) the variations of strips arrangement only have complicated effects on the transmitting process

    隨著界面直條數目的增多， er離合器輸出轉矩提高，但直條數目過多反而不好，應當存在一個最佳值，對本實驗裝置，最佳值為n = 8 ； （ 2 ）界面直條長度l改變對er離合器傳輸性能有影響，隨著直條長度從零到離合器傳輸表面最大有效長度變化，離合器輸出性能依次增強； （ 3 ）直條排列形式變化對er離合器傳輸性能具有復雜的影響。
  11. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點，針對普通的直接轉矩控制在給定轉矩躍變時反應較慢的缺點，提出了一種模糊控制器，把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量，應用模糊邏輯來確定逆變器的開關狀態，該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態，從而有效地提高了系統在啟動和負載突變時的響應速度。
  12. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中，針對1 . 5kw和18kw異步電機進行了模擬，並在此基礎上提出兩種簡化控制方式；在tms320f240的具體編程過程中，分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償；最後，在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗，實驗結果表明了演算法完全可以達到預期的目標。
  13. Compared to other types of internal combustion engines, diesel engines that are used more and more widely are more fuel - efficient, provide highest torque and pulling capability, are lower emitters of hydrocarbons and carbon monoxide, but diesel engines can emit up to 30 times more particulate matter than gasoline engines

    與其他類型的內燃機相比，應用越來越廣泛的柴油機具有更高的燃油效率、提供更大的轉矩和拖動能力，碳氫化合物排放低，但微粒的排放卻是汽油機的30倍以上。
  14. In direct torque control system, speed sensors are usually used to survey the speed of motor, but speed sensors have many disadvantages, such as inconvenient fixing and maintenance, inaccurate precision. at present it is an efficient and feasible method to estimate speed by using software instead of hardware

    以往在直接轉矩控制系統中採用速度傳感器檢測速度信號，由於測速裝置具有安裝不便、維修困難、測量精度差等缺點，因而採用軟體代替硬體檢測設備辨識速度，即進行無速度傳感器的設計，不失為一種有效可行的速度辨識方法。
  15. At the rated setting torque point, under the base speed, we found the equalizing link efficiently improves system performance comparing the results

    對比補償前和補償后的結果，在基速范圍內，在額定轉矩點，補償手段有效的改善了系統的靜態和動態性能。
  16. In order to minimize the torque ripple of srd, the dissertation further design the intelligent torque control system, introduce the instantaneous torque control strategy based on torque distribute function, which is implemented by the flux linkage controller of srm. furthermore, considering the multi control parameter, the article also found the rotor position angle controller based fuzzy logic so as to optimize the whole control system and effectively reduce the torque ripple

    為了降低srd系統的轉矩脈動，本文在所建模型的基礎上，設計出智能化轉矩控制系統，利用轉矩分配函數，提出瞬時轉矩控制策略，同時採用磁鏈控制器來實現；考慮到srd具有可控參數多的特點，本文同時建立了優化轉子位置角的模糊控制器來達到智能化轉矩控制的目的，從而有效抑制sr電機的轉矩脈動。
  17. To overcome the second, the transmission needs to include a gearbox providing a range of different ratios of input to output speed, enabling the engine ' s speed to be maintained within the useful range of torque output over a more or less wide range of vehicle speeds

    對于第二個問題，可利用變速箱來安排不同的輸入輸出比，使發動機保持一定的轉速，以便提供保持車輛速度的有效扭矩輸出。
  18. Second, a direct torque control for pmsm based on stepping spwm is analyzed. in classic dtc system, the torque and current ripples are larger because of the restriction of the number of voltage vectors. by means of the vectors subdividing theory, using a new method of dividing voltage vectors based on stepping spwm, more voltage vectors on a circle in space can be achieved

    其次考慮到上述的經典的dtc演算法中，由於電壓矢量個數（六個）的限制，使得轉矩波動和電流波動都比較大；針對於此，本文利用矢量細分原理，提出了新的基於階梯spwm的電壓矢量生成方法，得到了更多的空間上均勻分佈的電壓矢量，可對電壓矢量進行更加有效的選擇。
  19. Compared with normal synchronous motors, the permanent magnet synchronous motor ( pmsm ) is effective, high pull - in torque, fast speed response and well speed precision in open loop

    永磁同步電動機（ permanentmagnetsynchronousmotor ，以下簡寫pmsm ） ，與普通交流電機相比，具有效率高，功率密度高、啟動轉矩大、響應速度快、開環轉速精度高、等諸多優點。
  20. Torque - tension test requirements for prevailing - torque type steel metric hex nuts and hex flange nuts

    有效力矩型米制鋼六角螺母和六角法蘭螺母的轉矩應力試驗要求
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