過轉矩 的英文怎麼說

中文拼音 [guòzhuǎn]
過轉矩 英文
torque rich
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 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. Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno

    按照發動機的實際組成,根據各部件的介面類型連接模型庫中的部件,建立了單缸發動機非線性模型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機模型,並以測功器為負載,通和恆速方式進行了發動機性能模擬和研究,模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。
  2. Based on the same principle of floating stability calculation of rectangle caisson, the moment of inertia of gravity axis of the fan shape is transformed through coordinate transformation formula, and the general formula and calculation method of floating stability for c limier caisson with partition ails are obtained

    摘要引用形沉箱浮遊穩定計算的相同原理,把扇形重心軸的慣性軸公式的換,再經數學證明,得到帶箱格圓形沉箱浮遊穩定計算的通用公式和計算方法。
  3. During analyzing the motional parameters of the rigid body, it is difficult to calculate the rotary matrix

    在剛體運動參數計算程中,旋陣的處理是比較麻煩的。
  4. The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr. in addition the deeper cracks also appear. this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s. the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking

    尼龍6 / a12o :復合材料的加工性能研究表明:隨著納米a12o3的加入,復合材料的熔體流動速率下降,納米a12o3含量越大,下降越明顯,即隊6 / a12o3納米復合材料的加工性能越差;隨著納米a12o3的加入,復合材料的和塑化時間都增加,當含量小於巧phr時,隊6復合材料的增加幅度不大,當含量超15phr后,急劇升高。
  5. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通對空間磁鏈矢量幅值和相位的控制來調節電機速,減少了逆變器輸出電流的諧波,降低了脈動,提高了電壓的利用率。
  6. Basing on the analysis about the reason that how the superabundant torque appears, direct torque control strategy is used to realize the servo control of two asynchronous motors and load system ' s simulation. the measure method of superabundant torque of the system, the valid method of static state torque and the benchmark of dynamic torque are given by testifying the system ' s speediness through experiments

    在具體分析加載系統中多餘力產生原因的基礎上,採用直接控制策略,實現了兩臺異步電動機伺服控制和加載系統的負載模擬實驗,通實驗驗證了系統的快速性;給出了系統多餘動慣量的測量、靜態的校驗和動態基準的實驗的基本方案。
  7. 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,通繞病床的旋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,從而有效地完成驅動動作要求。
  8. Least squares solution of equation is used to calculate and adjustment transformation matrix at same time, transformation matrix is used to calculate the 3 - axis angle of star sensor. so is very fast and precise

    利用方程組的最小二乘解求取陣,通陣計算星敏感器的三軸姿態角,使姿態計算和平差同時進行,具有較高的姿態計算精度和計算速度。
  9. 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變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機速變化,而在電機子側接入低頻勵磁電流,通控制該電流的頻率,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。
  10. It has much merit that controlling structure is simple, and the torque response of system is rapid and has no overtaking melody, and electrical energy can inpour electrified wire netting by returning unit

    它具有控制結構簡單、系統的響應迅速且無超調、電能可通其回饋單元回饋電網等眾多優點。
  11. 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

    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、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。
  12. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型,通計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。
  13. 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

    並通提取直流電機起動程電流信號的瞬時頻率有效地研製了一套無速傳感器直流電機的快速測試系統。
  14. Maximum overload torque

    最大負載
  15. After the analysis of the state of converter switches, the voltage space vector is received. on the basis of hexagon stator flux trace method of traditional direct torque control, by changing the regulation of stator flux, hexagon and approximate round trace of stator flux can be got when using different voltage space vector. the fast regulation is realized when three - value regulator is used to adjust torque

    對逆變器開關狀態的分析進而得到電壓空間矢量,並且論述了電壓空間矢量與和磁鏈之間的關系,使用兩點式調節方法對定子磁鏈進行調節,實現六邊形磁鏈軌跡和圓形軌跡方案,對採用三值調節器進行調節,以實現的快速調節。
  16. 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,矢量控制演算法通坐標變換將異步電機的定子電流分解為子磁鏈方向和與之垂直方向的兩個分量分別進行控制,從而實現子磁通和的解耦,使得交流感應電機的動態性能可以和直流電機媲美。
  17. The mathematical model of diesel - generator set in the mechano - electronic transient process is proposed in this paper, the pulsation and delay of diesel torque are analyzed, the relation between diesel torque and diesel rotational speed together with injection pump rack bar displacement is described exactly. the motion law of diesel - generator set is revealed all - sidedly and nonlinear problem of diesel - generator set is settled by piecewise linearzation method

    本文提出了柴油發電機組機電暫態程的數學模型,分析了柴油機的脈動和滯后,準確地描述了柴油機輸出軸扭與柴油機速和噴油泵齒桿位移之間的關系,全面揭示了柴油發電機組的運動規律,利用分段線性化的方法解決了柴油發電機組的非線性問題。
  18. By adjusting the fuel rectifying screw and then increasing the fuel quantity per cycle, the loss of the maximum power of e30 engine ca n ' t exceed 10 % of the maximum power of diesel, and the loss of the maximum torque can be controlled within 2 percent

    旋出油量校正螺釘,增大燃料供給量,可以使e30混合燃料發動機的最大功率損失控制在10以內,最大損失控制在2以內。
  19. 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。
  20. 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。
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