電流矩 的英文怎麼說

中文拼音 [diànliú]
電流矩 英文
current moment
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. The torquing current is measured and related to drift rate by prior calibration data.

    測出產生力,然後根據事先校正的數據來算出飄移率。
  2. At a definite temperature a mesoscopic circuit isnt in a determinate quantum state instead of in the mixed state ( or statistical state ). using the density matrix of the canonical ensemble, we have deduced the formulate of the quantum fluctuations of both charge and current in a non - dissipative mesoscopic coupled circuit. and the dependences of the quantum fluctuation of the circuit on its temperature have obtained

    在有限溫度下,介觀路系統實際上並不處在一個確定的量子狀態,而是處在混合態.根據正則系綜的密度陣導出耦合互感路中荷和的量子漲落,得到了量子漲落與溫度的依賴關系
  3. A large member of experimental findings was analyzed. the output torque of rera and plate er actuator were compared. the results showed that the torque transferred by ripple actuator is larger decuple than that of plate actuator

    本文通過對大量的實驗數據進行分析,對波紋式與平盤式變傳動機構的輸出力進行比較,得出波紋式要比平盤式所傳遞的力大十倍的結論。
  4. In the same time the output torque can also be measured and controlled rapidly and accurately. due to the complex nonlinear relation between the applied electrical field and the torque, it ' s difficult to set up the model using existing physic and mathematic theories. however, artificial neural network can express discretional nonlinear relation and has ability of study, which provides a new concept and method to solve this problem

    由於波紋式變傳動機構的外加場和變液產生的力間呈復雜的非線性關系,用現有的物理和數學理論來建模尚有一定的難度,而人工神經網路有表示任意非線性關系和學習的能力,給解決這類問題提供了新思想和新方法。
  5. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用量法求解了天線上的分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  6. The product adapts to single - phase asynchronous motor and three - phase asynchronous motor, which is supplies with single - phase power and the frequecy is blew 100hz. it is specially used for supplying leading current for elecrtomtor, and then the electromotor is actuated with the adeqate moment consequently. and when the electromotor runs smoothly, the capacitor will disconnect from the circuit. the product possesses stable capacity and long relative runtime

    1 .用途及特點適用於100hz以下單相異步動機和單相源供的三相異步動機,專門用於向動機提供超前,使動機獲得足夠的力而起動。
  7. 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,而且與其他調制方式相比,可使轉脈動較小。
  8. 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機轉速,減少了逆變器輸出的諧波,降低了脈動轉,提高了壓的利用率。
  9. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交放大、相敏解調、脈寬調制、頻標路以及力發生器等測試系統各部分硬體路,驗證了路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  10. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合磁線圈產生加載控制的驅動磁場,其中外部的磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉,從而有效地完成驅動動作要求。
  11. The rao - wilton - glisson basis function based on triangular patches is used in the moment method. a junction basis function based on triangular patches is adopted to deal with the key problem of the junction between the wire and patches

    在使用量法的過程中,採用基於三角面元的rwg基函數;對于線天線和面元間的連接這個關鍵問題,採用了一種連接處基函數。
  12. 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,模擬中確定了機的最優開通關斷角,在此基礎上實現了斬波控制、角度位置控制、變幅值斬波控制以及分段雙閉環pi控制,模擬結果表明,它實現了機的正常運行,很好的抑止了機轉脈動,同時有效地降低了噪聲。
  13. The dac consists of analog circuit blocks and digital circuit blocks, so it is a mixed signal circuit. because the digital part is simple comparatively, we use the same method as analog part to design it

    採用模塊化的設計方式實現數據快速轉換,主要包括陣模塊、鎖存模塊、譯碼模塊、帶隙基準壓源模塊及開關網路等路模塊。
  14. The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer

    本文介紹了在ptcad2000平臺下短路可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、力系統原始接線圖轉成等值可計算網路、序網的生成、考慮零序互感線路阻抗時網導納陣和阻抗陣的生成,以及故障點短路計算的計算機實現。
  15. 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

    針對反動勢類似正弦的準正弦波反動勢無刷直動機,本文提出一種基於六個離散位置信號的自同步svpwm (壓空間矢量法)控制方法,用以削弱磁轉脈動,分析了實現這種方法的主要控制環節,包括起動時壓空間矢量的初始定位,阻抗角與超前角的合理選擇以及連續轉子位置的估計等。
  16. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的時域積分方程,並分析了金屬非金屬組合目標分界面上的等效與等效磁的特性。
  17. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維導體目標的阻抗陣剖分成小陣,通過迭代計算出表面和雷達散射截面,並與漸近波形估計技術結合分析了三維導體目標的寬帶磁散射特性。
  18. 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

    對準正弦波反動勢無刷直動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉脈動系數、轉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,當反動勢的平頂寬度小於107角時,採用自同步svpwm控制方法可以在不損失轉比的基礎上,更有效地抑制磁轉脈動。
  19. Abstract : the principal characteristics of pulse power supply with large current are described. the survey of pulse electrochemical machine and the processing technique are introduced. some application examples of pulse electrochemical machining in die - sinking are given

    文摘:簡述了大電流矩形波脈沖源的基本特點;介紹了脈沖解機床及加工工藝概況;列舉了脈沖解加工工藝在模具加工中的應用實例。
  20. For example, a general - purpose matrix card with its output connected in parallel with a low currentmatrix card will degrade the performance of the low current card

    例如,如果將一塊通用陣卡的輸出與一塊小電流矩陣卡的輸出並聯在一起,將會降低小開關卡的性能。
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