轉矩變化 的英文怎麼說

中文拼音 [zhuǎnbiànhuà]
轉矩變化 英文
torque variation
  • : 轉構詞成分。
  • : 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
  1. 15. 04 test method for thermal flow and cure properties of thermosetting plastics by torque rheometer

    儀測定熱固性塑料的熱流量和固特性的方法
  2. A technique of 3 - point positioning of welding seams with structure - light visual sensor is presented. with this technique, arc - welding robots can cope with the location variation of weld seams each time in batched manufacturing. on the base of suitable mathematical description, the localization problem is transformed into determining a displacement transformation matrix

    在此系統中利用機器人結構光視覺三點焊縫定位技術,使弧焊機器人可以適應批量生產中每次焊縫位置的,通過適當的數學描述,將焊縫定位問題為確定位姿陣。
  3. 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,位移,速隨時間曲線圖,利用單極性霍爾元件測定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。
  4. Third, this thesis analyzes the angle - control theory based on half bridge converter, and proposes a new way to find the optimized angle. simulation is performed to verify the results. then, this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor, which mainly discusses the speed and current loops and angle optimization control

    再次,本文介紹了角度控制與電機向的關系,並對基於半橋換器的電勵磁雙凸極電動機換相角與相電流及輸出的關系進行了理論分析和模擬驗證,提出了優電勵磁雙凸極電機換相角的方法。
  5. In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current

    本文首先比較了幾種速恆頻方案,從中選擇了雙饋式速恆頻方案;它運用雙饋電機的工作原理,允許發電機,而在電機子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節子電流來控制定子電流的分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。
  6. The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly. the formation and changes are analyzed including magnus force, normal force, yawing moment, pitching moment and pressure center

    系統分析了旋側噴彈丸復雜的空氣動力學特性,分析了馬格努斯力系數、法向力系數、偏航力系數、俯仰力系數和壓力中心等參數的產生機理和規律。
  7. Model dqzj ? 20y hydrodynamic drive drilling rig, provided with hydraulic gearbox, possesses soft transmission and high adaptability to the load change, and can realize stepless speed and torque regulation and inverse - rotation brake

    20y液力傳動鉆機採用液力機械速箱,傳動柔和,適應外載荷的能力強,可實現無級及反制動。
  8. Standard test method for thermal flow, cure, and behavior properties of pourable thermosetting materials by torque rheometer

    儀測試可澆注的熱固材料的熱流性固性及性能特性的標準試驗方法
  9. The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit

    試驗結果表明,超聲電機可以在真空環境下工作,但性能較常態環境下有所,其空載速明顯下降,堵有所增大。
  10. This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment

    摘要抽油機中載荷大,易引起電動機速和的波動。
  11. Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator

    實際的計算表明:輸電線路發生故障后,用故障前後的數據同時充滿保護演算法的數據窗,對于快速切除近區故障具有很重要的意義;同時利用故障前後的數據,下述方法可以比較好地實現距離保護的反時限特性:直接用全周傅里葉演算法進行阻抗計算;採用工頻量阻抗繼電器進行工作電壓的計算;採用的思想進行的計算。
  12. The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control

    因此,輸入電壓的準確計算、直流漂移量的補償以及定子電阻的補償都是影響積分計算準確性的重要因素,這些誤差會導致定子磁鏈軌跡的偏移,進而降低系統控制的性能。
  13. 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,離合器輸出性能依次增強; ( 3 )直條排列形式對er離合器傳輸性能具有復雜的影響。
  14. Changes in rotary torque ( and possible tight hole and drag on connections )

    盤扭(也可能是遇卡或接單根時的摩阻) 。
  15. The result of simulation of model 8 ? 1 / 2 ? xhp2s bit shows that, the torque on the bit changes randomly, and the degree of the change increases with the increase of the weight on bit ; the change of the torque on the upper part of the drillstring is not so large as that on the string ' s lower part, and the rotary speed of the bit changes smoothly overall

    對8英寸xhp2s鉆頭做了模擬,結果表明,鉆頭處受巖石的阻力扭是隨機的,並有負扭出現,扭幅值隨靜鉆壓的增加而增加;鉆柱頂部盤施加的扭不如底部劇烈;鉆頭的速在局部有較小的波動,其總體較為平緩。
  16. Simulation results show the good performance of the drive system in dynamic conditions, in terms of acceleration, deceleration and load torque changes ; four quadrant operation results demonstrate the regeneration capability of the drive system

    模擬結果表明:使用該控制策略的調速系統在加減速運行和負載轉矩變化等場合均具有良好的動態性能。
  17. This paper is based on an artillery servo system which requires high control qualities such as the speeding, accuracy, and stability under hard circumstances like the great variation of the load and the huge changes of the torsion

    本論文旨在改進某型號火炮的隨動系統,以滿足該系統在負載和阻力較大時對繼續保持良好快速性、準確性及穩定性的要求。
  18. The model works well when the giving torque and speed change

    在給定時,模擬模型運行性能良好。
  19. The anti - lock braking processes based on logic threshold control are simulated in the environment of matlab / simulink software. the influences on logic threshold control abs by the factors such as road condition, initial velocity, the changing rate of braking torque, delay time, inertia and load are discussed at the same time

    運用matlab simulink軟體,對基於邏輯門限控制方法的防抱制動過程進行了計算機模擬,並分析了路面、初速、制動力率、延遲時間、動慣量及載荷等因素對邏輯門限控制abs的影響。
  20. A tapered roller body and with the spring torque changes in the structure and maintain a balance in all production lines can reduce fatigue and improve efficiency

    具有錐形捲筒機構,可隨彈簧轉矩變化,而保持平衡的結構,在所有生產線上可減少疲勞,提高工作效率
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