電動機效應 的英文怎麼說

中文拼音 [diàndòngjīxiàoyīng]
電動機效應 英文
motor effect
  • 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
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 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...
  • 效應 : [物理學] effect; action; influence
  1. Traveling wave revolving ultrasonic motor is the direct driver motor that transforms the electric energy to mechanic energy applying the converse piezoelectric effect of piezoelectric and friction driver

    行波型超聲波電動機是一種應用壓電陶瓷的逆壓電效應，通過摩擦力驅動，把電能轉換為機械能輸出的直接驅動電機。
  2. Through analyzing and researching the problem of variable frequency to working frequency of high - power electromotor in theory, the key of conversion is pointed out in the paper. on the basis of analyzing equivalent circuit diagram and vector - diagram of induction - motor, the phase of working frequency power whether or not consistent with the output phase of variable frequency power at the moment of conversion is the key to decide whether the conversion is successfully

    本論文針對大功率電機變頻轉工頻轉換存在的問題在理論上作深入細致的研究，根據感應電動機的等效電路和相量圖分析，指出大功率電機變頻轉工頻能否成功，關鍵在於變頻轉工頻瞬時，工頻電源和變頻輸出電源是否相位一致。
  3. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因： （ 1 ）去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等； （ 2 ）低轉動慣量的轉子提高了電機機械響應的質量，從而縮短了電機加速和減速的時間； （ 3 ）高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高； （ 4 ）由於沒有機械換向部分定子的結構簡單了。
  4. This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled

    本文分析了異步電動機輕載時降壓節能運行的原理，對幾種提高效率的方案進行了比較，確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法，應用matlab軟體對系統進行模擬，在基於tms320f240dsp的通用型變頻器上編制了實用化的程序，形成了完整的樣機，對其進行了測試，並給出了試驗結果。
  5. D. c static measurement for equivalent circuit parameters of double squirrel - cage asynchronous moter

    直流靜測法在雙鼠籠型異步電動機等效電路參數中的應用
  6. Method for determining losses and efficiency of three - phase cage induction motors

    三相籠式感應電動機損耗和效率的測定方法
  7. The model from the input to the output of the piezoelectric traveling wave ultrasonic motor is established by synthetically using lagrange - maxwell equation, hertz elastic contact theory and coulomb friction theory, along with considering electromechanical coupling, influence of the interface force between the stator and rotor of the motor on the amplitude of the traveling wave inside the stator and dynamic contact friction friction force

    利用拉格朗日?麥克斯韋方程以及赫茲彈性接觸理論，庫侖摩擦理論，考慮機電耦合效應，定、轉子間界面力對彎曲行波的影響及其動態接觸摩擦力，建立了壓電行波超聲波馬達從輸入到輸出的機電耦聯系統的數學模型。
  8. The algorithm is also applied in the broken rotor bars detection in squirrel cage induction machines, which is dependent on detecting the twice slip frequency modulation due to the speed or torque in the stator current, and the rotor bar faults can be detected effectively without some preprocessing

    指出可以利用信號的小波脊線來提取頻率隨時間連續變換的信號的瞬時頻率，並將該瞬時頻率提取演算法成功地應用到異步電動機定子起動電流信號的分析中，有效地提取出了轉子斷條故障特徵。
  9. Proceed from structural design of the device, study on change the form of transmission discs in order to raise the transmission torque of electrorheological fluids ( erf )

    摘要從機構結構設計的角度出發，對通過改變傳動盤電極表面形狀，以提高電流變效應傳遞力矩進行了研究。
  10. In order to consider the different heating of positive - sequence current and negative - sequence current of the motor stator generally, the equivalent current is adopted instead of the traditional phase current. the way how to gather positive - sequence current and negative - sequence current is brought forward, and the recurrence fourier - algorithm is adopted to calculate the effective value of current and voltage, the effective value of positive - sequence current and negative - sequence current

    為了全面考慮感應電動機定子正序電流和負序電流的不同發熱效應，提出了正序電流和負序電流獲取的方法，並採用遞推傅氏演算法來實現電流、電壓及電流正序和負序分量的有效值的計算。
  11. It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper

    首先對論文的選題以及相關背景進行了探討，並對相關的小波基礎理論進行了闡述，主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面:在論文中，首先對小波分析在信號的諧波分量提取中的應用進行了研究，在此基礎上，提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象，探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因，以及混疊現象較易發生的頻帶，提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統，設計實驗採集得到三組故障數據:偏心故障，偏心+輕微碰摩復合故障，偏心+中度碰摩復合故障，並對這些數據應用本文提出的分析方法進行信號處理，提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法，完成了電機故障檢測系統的軟體開發。
  12. The development trends of er technology, theory of er effect and principle of engineering application is presented. the application of er technology in hydraulic technology is introduced in detail

    本文首先介紹了電流變技術的發展動態、電流變效應的機理及工程應用的原理，詳細介紹了電流變流體在液壓技術中的應用。
  13. This dissertation is devoted to the study on permanent magnet synchronous motor ( pmsm ) drive system in electric vehicle ( ev ) application aided by the state " 863 plan " and the science and technology items of liaoning province. four parts are included as follows : first of all, an efficiency - optimization control strategy for pmsm system used in ev is presented in order to extend road haul per charge

    在國家863計劃「九五」重大項目「釹鐵硼電機應用產品開發」 、遼寧省科學技術計劃項目「高性能釹鐵硼永磁電機的研製」及沈陽市「十五」科技攻關項目資助下，本文研究工作圍繞電動汽車用永磁同步電動機（ pmsm ）傳動控制系統展開，研究內容分為以下四個部分：首先，為提高電動汽車一次充電續行里程，提出電動汽車用pmsm系統的效率優化控制策略。
  14. However, the traditional dc motor uses brush so as to switch the phases, so there are relative mechanical frictions. then it comes out many fatal failing, such as yawp, spark, wireless disturb, etc. what " s more, its making cost is high, its maintain is also difficult, therefore its application is greatly limited

    直流電動機具有運行效率高和調速性能好等諸多優點，但傳統的直流電動機均採用電刷，以機械方法換向，因而存在相對的機械摩擦，由此帶來了噪聲、火花、無線電干擾以及壽命短等致命弱點，再加上製造成本高及維修困難等缺點，從而大大地限制了它的應用范圍。
  15. In the aspect of dynamic modeling, there are great difference between analytical approaches of piezoelectric laminated shell and common elastic plate / shell because of mechanical - electrical coupling mechanisms

    在動力學建模方面，由於機電耦合效應的引入，使得壓電層合殼的分析問題有別于常規彈性板殼理論。
  16. According to the characteristics of the em, we anticipate applying the nonlinear control theory and the intelligent decisions on it. and the research achievement is widely accepted and affirmative

    針對電動機車之特性，我們企圖將近年來之尖端控制技術與決策理論應用其上，目前已獲得良好之實效，並獲得國內外普遍之肯定。
  17. In this dissertation, on the basis of researches on the mechanisms of electrorheological effect and the change in microstructure of composite dispersion under the applied electric field. the theoretical analysis to rheo - optic characteristics of an electrorheological fluid under an electric field is first conducted systematically. the light - controlling properties of an electrorheological fluid is ev aluated and an intelligent structure of electrorheological fluids - based smart windows ( erfsw ) is proposed and designed at the first time

    本論文在研究雙相復合懸浮液電流變效應機理，及場致微結構變化特徵的基礎上，首次對電流變體流變光學特性進行了較深入的理論分析，並對電流變體的光學調控特性進行測試，從而首次提出並設計了光學特性動態可調的電流變體靈巧窗（ electrorheologicalfluids - basedsmartwindow ， erfsw ）智能結構，為電流變體應用研究提出了一條新思路，開拓了電流變體在靈巧窗智能結構等方面的應用。
  18. In chapter 2, the characteristics functions are firstly derived. two equivalent circuits are employed as machine models to describe the steady - state operation of a squirrel - cage induction machine and a double - cage or deep - bar induction machine. then a digital simulation program developed with object - oriented analysis and design techniques is introduced

    第二章根據單籠式和雙籠式或深槽式感應電動機的等效電路模型，推導了特性關于轉差的函數表達式，並介紹了使用面向對象技術進行分析和設計的模擬程序。
  19. Compared with normal synchronous motors, the permanent magnet synchronous motor ( pmsm ) is effective, high pull - in torque, fast speed response and well speed precision in open loop

    永磁同步電動機（ permanentmagnetsynchronousmotor ，以下簡寫pmsm ） ，與普通交流電機相比，具有效率高，功率密度高、啟動轉矩大、響應速度快、開環轉速精度高、等諸多優點。
  20. Permanent magnet blushless direct current motor ( pmbldcm ) has been paid more attention in the past two decades by researchers in the motor and control system fields because of its excellent performance, for example, small cubage, great power density and high efficiency

    永磁無刷直流電動機體積小，功率密度高，控制性能好，效率很高，在工業、車輛、家電、計算機及軍事等諸多領域得到廣泛應用，尤其在電動車應用領域倍受青睞，是當前電動車電動機研發的熱點。
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