零速轉速 的英文怎麼說
中文拼音 [língsùzhuǎnsù]
零速轉速
英文
stall eed-
First we calibrate the accelerometers on dividing head to get the offset and sensitivity, then do the rotation experiments on centrifugal machine and rotating floor
首先在分度頭上標定加速度計，得到其零點和靈敏度，然後分別在離心機和轉臺上進行轉速實驗。Tacholess order tracking filtering for run - up or coast down vibration signal of rotating machinery based on zero - phase distortion digital filtering
無轉速計旋轉機械升降速振動信號零相位階比跟蹤濾波Rotor position estimation of permanent - magnet syachronous motor at zero - speed and low - speed
零速和低速下永磁同步電機轉子位置估測方法The governor must have provision for adjusting speed ( generator frequency ) and speed droop ( no load to full load )
調速器必須具備轉速調整（發電機頻率）和降速降調整（零負荷到滿負荷）功能。By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system
摘要通過注入特定的高頻電壓信號，利用電機的各向異性以確定轉子的凸極位置，在同步電機無傳感器矢量控制中，對包括零速度在內的所有速度下都能獲得精確的轉子位置信息。The calculated results indicate that maneuvering efficiency of the bow lateral thruster is related to velocity and thruster ' s rotate speed directly, it is the best at zero velocity, and maneuvering efficiency of the bow lateral thruster increase with increasing thruster ' s rotate speed ; the calculated results also indicate that crabbing motion can be operated for large vessels under the main thruster, the bow lateral thruster and the rudder ' s united control
計算結果表明側推器操縱效能與航速及槳轉速直接有關，零航速最好，且隨槳轉速增高而增強；結果同時也表明了藉助于主推進器、首側推器和舵的聯合操縱可實施純橫移運動。At last, it deduced a new improvement method from the theories, and make use of a new physical concept ? the independent of speed function for accuracy checking up the turns sub - position and the communication point so as to control sensorless brushless dc motor with the breadth regulating - speed scope from zero to high speed. based on the function, it will research the new control method
最後，從理論上推導了新的改進方法，並利用一個新的物理概念? ?與速度無關的位置函數g （ ） ，其能高精度檢測出轉子位置和換相點，以此來控制無刷直流電機，實現電機從零轉速到高轉速的寬速度范圍調節，在此基礎上研究了應用這種新的位置函數的控制策略。This topic discusses the back - emf zero - crossing detection, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed - loop speed control strategy
詳細介紹了反電動勢過零檢測、相位判斷及相位補償的原理及實現方法，並且為了在較寬范圍內提高bldcm的調速性能，採用了數字式轉速閉環控制。On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control
在全面分析研究了無位置傳感器無刷直流電動機運行方式的基礎上，細致闡述了反電勢過零檢測、相位判斷及相位補償的原理及實現方法，並且為了在較寬的范圍內提高bldcm的調速性能，採用了數字式轉速閉環控制。On the base of ananlysing and studying the run mode of bldcm, we introduce the detecting back electromotiveforce, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed _ loop speed control strategy
在對無位置傳感器無刷直流電動機運行方式進行全面分析研究的基礎上，詳細的介紹了反電動勢過零檢測、相位判斷及相位補償的原理及實現方法，並且為了在較寬范圍內提高bldcm的調速性能，採用了數字式轉速閉環控制。Zero - amp frequency
零電流轉速The criteria used for adaptive feedforward compensation is introduced, two unbalance compensation ways of permanent magnet biased magnetic bearing based on bearing current minimization are studied, the recursive adaptive algorithm and the unbalance compensation on estimation of synchronous rotate speed are studied, the simulation results are given
在基於零電流補償原則的基礎上，提出基於遞歸運算的不平衡補償方案，進行了理論分析和模擬研究;對基於同步轉速估算的不平衡補償方法進行了詳細的理論分析，並進行了模擬研究。In recent years, the screw pump gets more and more extensive application with its unique performance in the oil field, in order to improve the output of crude oil, we should select pump of big displacement or increase the rotational speed, but this will make the ground system vibrate seriously, causing the system to be unable to work normally or some spare parts lose efficiency too early
近年來，在油田現場螺桿泵以其獨特的性能得到越來越廣泛的應用，為了提高原油產量，當選用大排量螺桿泵或增加螺桿泵的轉速時，地面驅動系統將產生強烈的振動，導致系統無法正常工作或系統內的某些零部件過早失效。Scheme of monitor unit of rotational velocity, rotational acceleration and zero rotational velocity
轉加速度和零轉速度監測單元的設計Traditional direct torque control uses two value torque regulator which makes zero voltage vector work long and make flux shape bad seriously and makes response time long when the speed of induction motor is very low or drops down quickly. in order to solve this problem the thesis puts forward a new way to use three - value torque regulator, when the motor speed is very low or drops down quickly, the contrary voltage vector is used instead of zero voltage vector and the between the stator flux and rotor flux is reduced quickly so that torque is reduced quickly and response time becomes shorter
為此，本論文提出三點式轉矩調節，這樣當電機低速運轉或給定轉速突降時，不是加零電壓矢量，而是加反方向的電壓矢量，使定子磁鏈與轉子磁鏈之間的夾角迅速減小，從而使電磁轉矩也迅速減小，大大減小了調速時間，同時磁鏈值仍然保持基本恆定，輸出比較穩定的電磁轉矩，這在電機制動過程中非常有用。When the intensity of the laser field is weak, the velocity dependence of the average longitudinal force has the doppler shifted lorenztian resonance. at high intensities, there is a kink and change direction of the light pressure force near the point of zero velocity, the effects of the higher order harmonic light pressure forces become significant
當激光場強度比較弱時，作用在原子上的力為洛侖茲型，隨著激光強度的增加，依賴于速度的零階力在零速度附近方向發生了反轉，出現了扭結現象。A computer may function well under minimal production stress ( as in vendor ' s controlled environment ) but falter under high stresses of equipment speed, data input overload or frequent or continuous multi - shift use ( and a harsh environment )
計算機在最小的生產強度下（零售商的控制環境下）可以工作良好，但在設備運轉速度較高，數據輸入超載或持續變速使用（和粗糙的環境）等高強度條件下，就會出問題。Through design and analysis of the main parts of sawtooth anti - blocking mechanism, the main factor of influence on the performance of sawtooth anti - blocking mechanism is the rotary speed of main shaft, the trolley speed, the interval between moved cutter and static cutter, the distance between sawtooth and ground, the mulched straw and so on
通過對鋸齒防堵裝置中主要零部件的設計分析，得出主軸轉速、臺車前進速度、動定刀間隙、鋸齒離地間隙、秸稈覆蓋量等是影響鋸齒防堵裝置防堵性能的主要因素。根據實驗目的，確定了防堵裝置功率消耗的測試方法。This fuzzy controller can implement real - time regulation of the motor ' s rotational speed in light of the position error and its variable rate, therefore, the system can run in the direction of cutting down the position error with maximum speed when the system is under the condition of a higher position error. when the error is slight, the fuzzy controller also can reduce the motor ' s rotational speed gradually, thus the precision of the system will play a dominant role, which can create good conditions for an accurate stop when the position error diminished
模糊控制器可以根據位置誤差的大小以及位置誤差變化率的大小，實時的調節電動機的轉速，使系統在大的位置偏差的情況下能夠以最快的速度向著減小位置誤差的方向運行，在小誤差的情況下，能夠使電機的運行速度逐漸減小，使系統控制的精確性佔主導地位，為位置誤差等於零的時候能夠做到準確迅速的停車創造條件。Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - industrial machines with nominal power above 15 kw and nominal speeds between 120 r min and 15000 r min when measured in situ
機械振動.通過測量非旋轉零件對機械振動的評估.現場測量標稱功率在15kw以上標稱轉速在120轉分和15000轉分之間的工業用機械分享友人