脈動電動機 的英文怎麼說

中文拼音 [màidòngdiàndòngjī]
脈動電動機 英文
ripple current motor
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 機 : machineengine
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  • 電動機 : electric motor; motor （俗稱「馬達; 電滾子」）電動機並聯法 parallel connection of the motors; 電...
  • 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
  1. 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。
  2. 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。
  3. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。
  4. Modified formula for sensorless dc motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4 - pole dc motor

    摘要根據4極直流電動機的轉速與脈動電流頻率關系的實驗結果，對現有的無傳感器直流電動機測速公式提出了修正意見。
  5. The new modified formula not only meets with our experiment result, but also can explain the examples of relationship between the speed and the current ripple frequency of dc motors in the literature

    新的修正公式不僅能夠解釋文中的實驗結果，也能滿足以往文獻提出的直流電動機轉速與脈動電流頻率之間的關系。
  6. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  7. Torque ripple minimization in permanent magnet synchronous motors based on neural networks

    基於神經網路的永磁同步電動機轉矩脈動補償
  8. In this paper, a new method is proposed, using the instant response of the induction motor to voltage pulse and current break when the motor stops

    本文首先利用感應電動機對脈沖電壓和階躍電流的瞬態響應，對電機參數進行了靜態測量，模擬結果表明了方法的可行性。
  9. The paper discusses the work princinple of ldcsm, adopts singlechip as core control cell, puts forward two kinds of control schemes, analyzes and study the technique scheme, hardware and software design of each control system separately in detail, on the basis of the centralized winding electrifying trait and pulse stepping control method of two phase hybrid linear dc step motor ( hdclsm )

    論文在討論了直線直流步進電動機工作機理的基礎上，根據兩相混合式直線直流步進電動機（ hdclsm ）集中繞組的通電特點和脈沖步進控制方法，採用單片機為核心控制單元，提出了兩種數字控制方案，分別就每種控制系統技術方案、硬體電路、控制軟體設計等技術內容進行了詳細地分析和研究。
  10. So the compensation of pulsating torque is very importance for the application of pmsms

    因此，對無刷直流電動機的應用，必須考慮其轉矩脈動的抑制問題。
  11. This thesis is about the torque ripple minimization of switched reluctance motors ( srm ) under the base speed. based on the instant torque control strategy, aiming to minimize the torque ripple of srm during commuting and to obtain excellent dynamic and steady state performances

    本文主要研究開關磁阻電動機（簡稱sr電機）在基速范圍以下轉矩脈動的抑制問題，研究時以瞬時轉矩控制為基礎，旨在減小換相期間sr電機的轉矩脈動。
  12. Evaluation of torque pulsations during starting of synchronous motors

    同步電動機起動過程中扭矩脈動的評定
  13. Guide for evaluation of torque pulsations during starting of synchronous motors

    同步電動機起動過程中扭距脈動的評價指南
  14. Research on torque ripple minimum approach of direct torque control system

    減小感應電動機直接轉矩控制系統轉矩脈動的方法
  15. But it has the disadvantages of torque pulsation, it ca n ' t achieve accurate position and speed of higher performance

    但是無刷直流電動機運行中存在轉矩脈動問題，對實現更精確的位置和更高性能的速度控制有極大影響。
  16. The ideal bemf waveform of bldcm is trapezoid with 120 ! platform width. in the 120 conduction mode, the stator current is not ideal due to the stator inductance, and the torque ripple occurs

    理想的永磁無刷直流電動機的反電動勢的波形是120平頂的梯形波，在三相六狀態120導通方式控制下，電流由於電機定子電感的存在而不是理想方波，因此產生了換相轉矩脈動。
  17. As to large torque ripple in direct torque control ( dtc ) of induction motors at low speed, a kind of new fuzzy neural networks ( fnn ) approach was proposed based on the merits that fuzzy control absorbs man ' s empirical thinking and neural networks have self - organization and self - study ability

    摘要針對異步電動機直接轉矩控制低速轉矩脈動大的間題，充分利用模糊控制吸收入的經驗思維，以及神經網路對信息的處理具有自組織、自學習的特點，提出一種新的模糊神經網路控制方法。
  18. In order to minimize the commutation torque ripple of traditional trapezoidal bldcm using 120 cconduction mode, firstly, analytical formulae of commutation torque in the condition of perfect back - emf waveforms are developed in this thesis, based on which the effects to the torque ripple by the pwm modes, overlapping commutation techniques and so on are analyzed, and the applicable speed ranges of the motors using the overlapping commutation techniques are derived

    為了抑制傳統的三相六狀態120導通方式控制下方波型無刷直流電動機的換相轉矩脈動，本文首先在理想反電動勢的條件下推導了換相轉矩脈動的解析公式，並由此分析了調制方式、重疊換相技術等對換相轉矩脈動的影響，得出了採用重疊換相技術抑制換相轉矩脈動適用的電機轉速范圍。
  19. The driving circuit was designed. 5. on the control mode, the pwm wave produced by mcu to control the dcmotive

    在控制方式上，採用單片機的定時中斷，產生脈寬調制波，對直流電動機進行控制。
  20. The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles

    它運用規則采樣法產生正弦脈寬調制波，通過開關角的控制抑制逆變器輸出電壓中的諧波分量，降低了電動機的損耗和轉矩脈動，使電動車的運行性能得到了較大改善。
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