最大轉矩 的英文怎麼說
中文拼音 [zuìdàzhuǎnjǔ]
最大轉矩
英文
maximum running torque-
Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine
選擇了等比例長孔式混合器控制空燃比;通過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃比的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。Regarding the serious smoke ejection of 75 diesel engine series, this paper points out that this problem could be solved by modifying certain parameters and employing gyrating regression design. the actual experiment on 375 diesel engine series shows that, after innovation, the maximum of smoke ejection of gyrating moment falls by 24. 2 percent, and then the rating is demarcated, the smoke ejection falls by 53. 8 percent
本文針對75系列柴油機排煙嚴重的問題,通過改變噴油嘴及相關調整參數,利用多因素正交旋轉回歸設計安排試驗,取得了較好效果.在375型柴油機上的實驗結果表明:進行優化匹配調整后,最大扭矩點煙度下降24 . 2 ,標定工況時煙度下降53 . 8Linear 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。The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition
模態分析確定了泥泵的振動特性(固有頻率和振型) ;諧響應分析確定了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移;研究了轉子軸的質心位置、軸承剛度和質量偏心矩對轉子軸振動特性的影響; 3 、採用軸心軌跡法,實船測量了泥泵軸工作時振動響應值。Simulation results showed that this control strategy can decrease the stator current anti improve the efficiency of the system
模擬結果表明永磁同步電動機直接轉矩控制系統最大轉矩電流比控制可以降低定子電流,減小損耗,從而提高系統效率。In this paper, the maximum torque per ample ( mtpa ) control in permanent magnet synchronous motor ( pmsm ) direct torque control ( dtc ) driving system was studied
摘要在永磁同步電動機直接轉矩控制和最大轉矩電流比控制理論基礎上,研究了永磁同步電動機直接轉矩控制驅動系統最大轉矩電流比控制的實現。A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate
提出了一種測量轉臺摩擦特性的方法,通過對轉臺在無外推力作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量,可以得到最大靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。Maximum overload torque
最大過負載轉矩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
通過旋出油量校正螺釘,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,最大轉矩損失控制在2以內。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。If has been marked as output twisting force has exceeded maximum allowable twisting force that reduction device can bean, shouldn ' t full burden operate
標記為輸出扭矩已超過減速機所承受的最大許用扭矩,不能滿負荷運轉。Finally, in order to reduce the torque ripple of srm the fuzzy - control system is established in which the torque - sharing current function is controlled to reduce torque ripple. at last the simulation results are given
最後針對開關磁阻電機轉矩脈動較大的缺點,建立模糊控制系統,通過對轉矩?電流函數的控制來減小轉矩脈動,取得了較好的效果。Cross universal coupling is mainly used for rolling machine, mining machine, transportation machine, petroleum, shipping, making paper and other heavy - duty machine, is the most common and highest efficiency gearing, it has larger transmit moment, bigger angle, more flexible rotation, longer life than the old - type plum blossom shaft, smooth piece universal shaft, and gear coupling, it s a new generation product of changing the metallurgy steel rolling equipment reconstructive technology
利用其結構的特點能使不在同一軸線或軸線折角較大或軸向移動較大的兩軸等角速連續回轉,並可靠地傳遞轉矩和運動。其最大的特點是各向位移補償能力強,結構緊湊,傳動效率高,維修保養方便。廣泛應用於冶金機械,石油機械,造紙機械,工程機械,起重運輸機械以及其他重型機械等等。In real robotic manipulators there are many constraints such as max torque of motor, rotation angle of joint, difference in length of the working time span. these constraints are not in accordance with the assumption of iterative learning algorithm and so bring difficulties to the application of it
但是,機械手在現實工作中存在很多的限制,比如:電機最大轉矩的限制、關節轉角的限制、工作時間區間不等長等,這些不滿足迭代學習演算法標準前提假設的現實情況,給迭代學習演算法的應用帶來了一定的困難。Maximum torque control for field weakening operation of asynchronous motor applied in electric vehicle
電動汽車用異步電機弱磁運行的最大轉矩控制Speed at maximum torque
最大扭矩轉速Based on the torque - speed characteristic curve of induction motors, analyses were done on changes in slip with an variation in frequency when an induction motor drives different kinds of loads, including those with constant torque, constant - maximum torque, variable torque ( except fans and pumps ) and constant power, as well as fans and pumps, the formulas to calculate the slip and the speed under different frequencies and loads were presented
摘要以異步電動機機械特性曲線為基礎,分析了變頻調速異步電動機在拖動恆轉矩負載、恆最大轉矩負載、變轉矩(非風機和泵類)負載、恆功率負載以及風機和泵類負載時,轉差率隨頻率變化的規律。In practice, outputs of motors are constrained by max torque, so do outputs of controller
在實際應用中,電機輸出受到最大轉矩限制,則控制器的輸出也是受最大轉矩限制的。Based on artificial neutral network control theory, a mimo neutral network pid speed regulator realizing the maximum torque with minimum current is conformed for a pmsm drive system
本論文在人工神經網路控制理論的基礎上,針對永磁同步電動機矢量控制系統,構造實現最大轉矩電流控制的mimo神經網路pid速度控制器。They develop peak torque capabilities with high slide acceleration and low intertia for optimized system response
他們產生最大轉矩的能力比功能產生迅速滑動加速和最優化系統響應。分享友人