正弦電動機 的英文怎麼說

中文拼音 [zhēngxiándiàndòngjī]
正弦電動機 英文
sine motor
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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
  • 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. Experimental results certify that the proposed flyback inverter features small thd in the output sinusoid voltage, small size, light weight and fast dynamic response

    研製的100va原理樣機實驗結果表明，該逆變電路輸出正弦電壓失真度小，體積小，輸出動態及靜態性能良好。
  2. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  3. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  4. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響，利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況，得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  5. 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。
  6. Estimation of rotation speed for induction motor under non - sinusoidal power supply based on modified bp network

    神經網路非正弦供電下異步電動機轉速估計
  7. Based on the model of a three - phase hybrid stepping motor, the torque expression is deduced. the effect of subdivided driving on operating performance is analysed. it is illustrated that sine wave subdivided driving can make stepping angle and torque equal

    本文以三相混合式步進電動機數學模型為基礎，推導出其轉矩解析式，分析了細分驅動對于改善步進電動機運行性能的作用，論述了正弦波細分驅動可以實現等步距角、等力矩均勻細分驅動的原理。
  8. A system with repmsm ( rare earth permanent magnet synchro - nous motor ) as executing motor is presented in this thesis. the hardware platform for the ac speed regulating system is based on tms320f240 dsp controller and uses ipm ( intelligent power model ) as the power device in the invert circuit

    系統選用正弦波永磁同步電動機為執行電機，以ti公司的tms320f240dsp晶元為控制核心，以智能功率模塊（ ipm ）為逆變電路功率開關器件，構成交流調速系統的硬體平臺。
  9. The electromagnetic field theory and the variation method is applied to found the 2d mathematics model during the process of starting of the induction machine with compound cage rotor. the dispersion, element analyse and collectivity composing of time - variation field are given

    利用電磁場理論和變分法建立了復合籠條轉子感應電動機起動時二維電磁場的數學模型，給出了正弦時變場單元分析過程和離散格式以及最終的總體合成方程。
  10. For the bldcm which has a neither sinusoidal nor trapezoidal back - emf, that is, for a general shape back - emf bldcm, this dissertation proposes a novel id = 0 vector control method. by this method, the iq for a constant torque to produce is calculated through coordinate transformation, and the reference iq is tracked by vector control in the dq0 frame

    對于實際反電動勢波形既非正弦又非梯形波的無刷直流電動機，提出一種新型的任意波形反電動勢無刷直流電動機的i _ d = 0矢量控制方法，通過坐標變換浙江大學博士學位佑文摘要求解產生恆定電磁轉矩所需的q軸電流，並在dqo坐標系下通過矢量控制對q軸參考電流進行跟蹤。
  11. Based on the pwm technology ( the style of traced sin current ) with fixed switch frequency, a sin subdivided driving system for three - phase hybrid stepping motor has been built

    基於固定開關頻率型正弦電流跟蹤pwm技術，採用軟硬體結合的方式完成三相混合式步進電動機正弦波細分驅動系統的研製。
  12. When the embedded system works independently, the dsp controls the interface and performances the algorithms while the analog part implements v / i converting, constant current output and feedback stage

    下位機獨立工作時，由dsp控制所有的介面和演算法執行；模擬部分負責完成恆幅正弦電流輸出的驅動和信號的反饋。
  13. Design of brushless dc motor position servo systems using discrete variable structure control approach

    正弦波型直流無刷電動機位置伺服系統的變結構控制
  14. After studying the traits and operating characteristic of the repmsm, a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially

    本文研究了正弦波永磁同步電動機的特點及其運行特性，確定了以他控式磁通軌跡法變頻調速和轉速閉環調節相結合的調速方案。
  15. Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control, this system uses repmsm ( rare earth permanent magnet synchronous motor ) as executing motor. this system makes full use of characteristic of high static precision and dynamic fast response

    以正弦波永磁同步電動機為執行電機，採用他控式磁通軌跡法變頻調速和無刷直流方式調速方法相結合的控制策略，充分發揮了同步電機的穩態高精度和直流電機的動態快速性的特點。
  16. 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。
  17. A permanent magnet synchronous motor is selected so that the system could work excellently. multiform measures are taken to weakening the torque ripple, such as adopting stator - flume, choosing right ratio of magnet - width and slot - width, and programming properly. a permanent magnet synchronous motor cad software is worked out for predigesting the design of the motor

    力矩脈動是衡量交流伺服系統性能優劣的重要指標，為達到理想的控制效果，系統採用正弦波驅動的稀土永磁同步電動機作為執行元件，電機本體的設計綜合採用定子斜槽、將轉子永磁體連續移位、合理選擇永磁體寬度和齒槽寬度比等方法，基本消除了齒槽轉矩；對于紋波轉矩，系統採用軟體的方式加以削弱和補償。
  18. This dissertation presents several novel control techniques for the torque ripple minimization of pm bldcm. according to the different back - emf waveforms of bldcm, this dissertation gives a detailed analysis to the torque ripple due to trapezoidal emf, pseudo - sinusoidal emf, and general shape emf respectively, and from each one proposes a kind of control technique for torque ripple minimization

    根據永磁無刷直流電動機反電勢波形的不同，對方波型無刷直流電動機的換相轉矩脈動，準正弦波（ pseudo - sinusoidalemf ）反電動勢無刷直流電動機以及任意波形反電動勢無刷直流電動機的電磁轉矩脈動，進行了詳細的分析，分別提出三種不同的控制策略，進行轉矩脈動抑制控制。
  19. The sine wave pulse width modulation ( spwm ) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated pwm

    相對于等寬脈寬調制pwm ，正弦波脈寬調制spwm可以有效地降低電動機的損耗和噪聲。
  20. Elements of electrical and optical connection - test methods - sinusoidal and random vibration

    電氣和光學連接元件.試驗方法.正弦振動和隨機振動
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