電脈動 的英文怎麼說
中文拼音 [diànmàidòng]
電脈動
英文
electric impulse-
Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane
摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速運行時噪聲明顯等主要問題，採用模糊控制和滑模控制相結合的方法，克服了未建模參數的影響，保證了滑模到達階段的魯棒性，同時抑制了轉矩脈動。It can create micro magnetic field. it combine computer proceeding frequency vibration massage and low frequency bioelectricity impulse treatment. easy to use. instruction manual included
4 .生物電脈沖模式和電腦頻率振動狀態的按摩時間分別設有定時控制鍵3分鐘5分鐘15分鐘。The pulsations in the rectified current can be reduced by using a capacitor.
經過整流的電流的脈動，能夠利用一個電容器使其減小。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。3000 hours. lower voltage high capacitance cdf farad - grade aluminum electrolytic capacitor. well suited for use in super car audio systems, industrid robots, telecommunication equipmemt of dc or pulse circuits
3000小時，低電壓高電容量法拉級cdf ，廣泛用於精密汽車聲頻系統、工業機器人，電信設備的直流電或脈動電路中。Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in
並與模型尾水管壓力脈動試驗結果進行對比?結合流動模擬試驗以及動力特性計算結果，全面分析?評定機組的實際運行狀況，劃定運行區域，為電站合理調度From the sa node, electrical impulses spread through the heart muscle to trigger the heartbeat.
從竇房石結出來的電脈沖傳播到心臟肌肉觸發心臟跳動。Water feeding framework takes electromagnetism water valve as administration component and is added relief valve for stabilizing hydraulic pressure ; the system has large, middle and small water valve that changes unlock combination of electromagnetically operated valve, which can get seven different water flux ; if it is necessary, it should adopt microseism water feeding that can make water feeding get stepless timing
3加水機構加水機構採用電磁水閥作為執行元件，加入調壓閥穩定水壓，系統共設大中小三路加水閥，變化電磁閥的開啟組合，可以得出7種不同的加水流量，必要時採用脈動加水法，可使加水達到無級調速。The rubber joint between stepper motor and transfer pump can minish pulsation caused by the shake of the motor when transfusing
步進電機與輸液泵之間通過橡膠連接頭實現連接，可緩解輸液時由步進電機震動引起的脈動。Compared with existing modulating method, torque ripple is greatly reduced by uniform modulating in one monocycle, increasing current slope of upcoming conducting phase instantaneously suppresses the torque ripple by 30 ’ during low speed with obviously lower initiating noise
採用單周期內各功率管均衡調制的方式，不僅消除了反向電流，而且與其他調制方式相比，可使轉矩脈動較小。Medical electrical equipment - particular requirements for the basic safety and essential performance of pulse oximeter equipment for medical use
醫用電氣設備.醫用脈動式血氧計的基本安全和性能的特殊要求Medical electrical equipment - particular requirements for the basic safety and essential performance of pulse oximeter equipment for medical use iso 9919 : 2005 ; german version en iso 9919 : 2005
醫用電氣設備.醫用脈動式血氧計的基本安全和性能的特Carries created by ultra - fast laser pulse accelerate in the field of the photoconductor and form a transient photocurrent. the shape of the photocurrent lies on the movement of the carriers, as well as the movement of the carrier ' s lies on the field in the photoconductor
光電導體中的載流子在光電導體內的運動情況決定了所輸出電脈沖的波形，而載流子的運動是在光電導體內部電場的作用下進行的，所以光電導體內的電場對光電導開關的性能有顯著的影響。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演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速，減少了逆變器輸出電流的諧波，降低了脈動轉矩，提高了電壓的利用率。Its products comprise various types of electrostatic precipitator 、 long bag low pressure pulse 、 positive ( negative ) pressure reverse flow 、 rhombus bag filter ( explosion proofing and ordinary type ) 、 pulsant rotary reverse flow flat bag filter 、 gas - box pulse bag filter ; flue gas desulfurization 、 waste water treatment facility and different nonstandard equipment
主要產品有各種型號的靜電除塵器（管極式及極板式） 、長袋低壓脈沖袋式除塵器、正（負）壓反吹大布袋除塵器、菱形袋式除塵器（防爆型及普通型） 、脈動反吹扁袋回轉式除塵器、氣箱脈沖除塵器等收塵設備；煙氣脫硫設備、水處理設備及各種規格的非標設備。Should myocardial ischemia continue too long, myocyte death occurs, and electrical shock after this will only result in pulseless electrical actiity or asystole
如果心肌缺血時間過長，心肌細胞死亡，此時的電除顫只會產生無脈性電活動或心搏停止。Should myocardial ischemia continue too long, myocyte death occurs, and electrical shock after this will only result in pulseless electrical activity or asystole
如果心肌缺血時間過長，心肌細胞死亡，此時的電除顫只會產生無脈性電活動或心搏停止。Torque ripple reduction in brushless dc motor drives using a buck converter
變換器的無刷直流電機轉矩脈動抑制方法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。Secondly, the effects of the crest width of the back - emf waveform to the torque ripple in the 120 ? conduction mode are analyzed, among which the effects of the advance commutation angle to the torque ripple are quantificationally analyzed for the bldcm drives whose back - emf waveform crest width is less than 120 ?,
其次分析了120導通方式下反電動勢平頂寬度對轉矩脈動的影響，對于平頂寬度小於120電角的非理想梯形波反電動勢，定量分析了換相超前角對換相轉矩脈動的影響。分享友人