時間電動機 的英文怎麼說

中文拼音 [shíjiāndiàndòngjī]
時間電動機 英文
clockwork motor
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 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
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  • 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. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  2. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手，分析了長徑比、氣隙長度對有效材料峰值功率的影響，並確定了它們的最佳尺寸。
  3. The aircraft used throughout the hydraulic system, two aircraft integration design pressure and pressure and pressure and can independently accomplish suing time control moves make big vehicles with tight solid, more eggective your savings artificial, time, electricity and lower costs, improve efficiency, it can help make up the hydraulic pessure at the end of the department to achieve shoes second fill pressure of functions to enhance the quality of diesel

    本機採用油壓系統，兩機一體設計，壓邊及壓前後均能獨立完成，採用時間控制動作，出力大，貼合緊牢固，更為你有效的節省人工、時間、電力及降低成本，提高工作效率，可以彌補全油壓壓底機死角之處，達到鞋子二次補壓之功能，提升壓著品質。
  4. This strategy effectively solves the power distribution between the apu and batteries during the drive of the heb. the power control model and multi - torque switching strategy of the driving motors control the charging - recharging current of the batteries within a wide range, which contribute to the improvement of the efficiency

    該策略很好的解決了車輛行駛時輔助動力系統與蓄電池組之間的功率分配，並且驅動電動機採用功率控制模式以及多級動力輸出切換策略，有效的控制了蓄電池的充放電電流，從而提高了整車效率。
  5. The dynamo runs at rull speed to drive main shaft, then the main shaft makes the emulsifying wings in emulsification grove rotate, which absorbs the liquid in its brand groove into ring groove through guide vanes on upper and lower sides of the groove. the vanes spins circularly at high speed with the main shatf as center, and the blade and emulsificaton groove cut and crush it continuously. after that. it gers squeezed by the vanes highspeed centrifugal rotation. at last, it finishes isotropt emulsification tratment within extremely short time after continuous circulating mixing

    由電動機全速運轉帶動主軸，經主軸轉動乳化框槽內之乳化翼片，使其將桶槽內之液體經框槽上、下兩側之導流葉片吸入環狀框槽內，經以主軸為中心高速圓周旋轉葉片；連續使乳化翼端刀面與乳化框間極小之間系高頻率之強力切割剪斷、粉碎，再借葉片高速離心旋轉排擠，持續循環混合，以極短之時間即可完成均質乳化之處理。
  6. 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。
  7. The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly

    摘要為了準確評價伺服電動機的動態性能指標，從電機的電壓、轉矩平衡方程式出發，在理論上對永磁直流伺服電動機的時間常數進行了分析探討，並對工程實際中常用的幾種測試方法進行分析和比較，指出其差別和適用范圍以及可能造成的測試誤差。
  8. 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。
  9. When the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m

    討論了頻率加速時間為零時，矢量控制和非矢量控制兩種情況的通用變頻器異步電動機的傳遞函數，同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數，介紹了滑差限定的方法，為設計含有inv - m的系統提高提供了理論依據
  10. Abstract : when the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m

    文摘:討論了頻率加速時間為零時，矢量控制和非矢量控制兩種情況的通用變頻器異步電動機的傳遞函數，同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞函數，介紹了滑差限定的方法，為設計含有inv - m的系統提高提供了理論依據
  11. The control motors in the well traction robot require high temperature resistant, quick response, small volume and large power density. because coreless dc motors uses ironless - rotor, the inertia and inductance is very small, mechanical time constant is less than 28 milliseconds, several products can attain in less than 10 milliseconds. its weight and size are 1 / 3 - 1 / 3 less when compared with an iron core motor of same power

    水平井牽引機器人對控制電機不僅有耐高溫要求，而且有響應快、體積小、能量密度大等要求，而空心杯電樞直流電動機由於無鐵心，故慣量和電感均大為減小，機電時間常數小於28ms ，部分產品可以達到10ms以內;與同等功率的鐵芯電機相比，其重量、體積減輕1 / 3 - 1 / 2 ，是低慣量電機中性能最好的一種。
  12. Rational control of the pump ' s work and rest time is the key to solve the problem of void pumping. this essay gives theoretical analysis and cost comparison of every detective method, considers power detection as the most effective method, and puts forward several ways of power consumption and effectiveness power consumption at the same time. the designed electricity saving controller integrate all the above four methods, and it can work with different methods by switch between automatic and manual to broaden its accommodation

    解決油井空抽現象的關鍵是合理控制開機時間與停機時間長度，本文對各種檢測方法進行了理論分析及成本比較，認為功率檢測最行之有效，同時提出了功率檢測的幾種實現方法，即瞬時功率法、人工電耗法、設定功耗法及效益功耗法，所設計的節電控制器集以上四種方法於一身，可通過自動手動切換採取不同的功率檢測方法，使其適應范圍增寬。
  13. Over a period of time the motor is required to make up the friction losses and the losses in the clutches when they are slipping.

    在整個工作時間里，電動機需要彌補摩擦損失和離合器滑動時所造成的損失。
  14. 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。
  15. Based on the theory creation of space voltage vector ' s polygonal flux linkage locus, freewill partition of the ideal flux circle is realized by the software method. furthermore, different polygonal flux linkage locus ' s fluent switching point is also found, which overcomes the motor " switching failure and improves the speed adjusting dynamic performance

    在充分研究磁通軌跡法原理的基礎上，採用軟體方法實現了任意多邊形磁鏈軌跡的生成；並找出了不同磁鏈軌跡間的平滑切換點，解決了切換時的電動機失步問題，提高了系統轉速調節的動態性能。
  16. 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。
  17. The linear permanent magnet synchronous motor ( lpmsm ) has avoided the effects of the mechanical transmission chains from rotary motions to linear ones, and has strong electromagnetism thrust, lower cost, small electrical time constant and rapid response etc., which becomes one of the best executive machines in the high - precision and micro - feed servo system

    由於永磁直線同步電動機消除了旋轉電機由旋轉運動到直線運動的機械傳動鏈的影響，且具有電磁推力強度高、損耗低、電氣時間常數小、響應快等特點，使其在高精度、微進給伺服系統中成為執行機構的最佳選擇之一。
  18. To support the commitment of the government to cut energy consumption in government buildings, we have implemented a series of energy saving measures in our offices. for example, the installation of timers to automatically switch off non - emergency lighting, exhaust fans and power sockets after office hours, rescheduling the running time of the air - conditioning plants and lift services, the installation of t5 lighting system with electronic ballast and motion sensor during retrofit programmes and the installation of photo sensor to control carpark lighting

    為支持政府在建築物節約能源方面的承諾，我們在辦公室實施了一系列的節約能源措施，如安裝時間掣使在非辦公時間自動關掉非緊急照明系統、抽氣扇及插座電源，重新制定空調裝置及升降機的運作時間，在翻新工程中更換附有電子鎮流器和移動感測器的t5照明系統，以及在停車場裝置感光器以調節燈光。
  19. To study the periodical electromagnetic pulses with random timing jitter radiated by electromagnetic pulse transmitters, the psd ( power spectral density ) of periodical electromagnetic pulses with random timing jitter was obtained based on the analysis of the - function of the psd of timing jitter

    摘要針對工程實踐中電磁脈沖發射機輻射的隨機時間抖動周期性電磁脈沖信號，在分析隨機時間抖動周期-函數功率譜密度的基礎上，得出了隨機時間抖動周期性電磁脈沖串的功率譜密度。
  20. Against two kinds of nonlinear friction observers, the analytic expression of zero ve - locity interval t based on the nonlinear model of brushless dc motor system is deduced in this paper. simulation results indicate that the system performance at low velocity can be im - proved effectively using the friction observer based on coulomb friction model

    針對兩種不同的非線性摩擦觀測器，推導了基於無刷直流電動機非線性模型的零速度時間間隔腡解析表達式，通過模擬證實，利用基於庫侖摩擦模型的摩擦觀測器可以有效地改善系統的低速控制性能。
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