電動力阻尼 的英文怎麼說

中文拼音 [diàndòng]
電動力阻尼 英文
electrodynamic damping
  • : 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名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  1. While adopts bang - bang control to realize semi - active control of vehicle suspension system equipped with electrorheologic damper, the coulomb damping force of electrorheologic damper is fixed, as the bang - bang control is two - value control actually. the bang - bang control cannot make full use of performances of the electrorheologic fluids

    由於開關控制是一種二值控制,採用開關控制策略實現對流變液器半主控制懸架系統的控制時,流變液器輸出的庫侖無法連續變化,不能充分發揮流變液的特性。
  2. Considering special form of the boiler frame, the reconstruction and enforcement method, in addition dynamic analysis are given by particular steps : establishment of the model of boiler steel frame, determination of earthquake loads and distribution form, and anti - side force system for the frame to model and analyze, involving loads on the frame and above it, earthquake loads, damping, sway control installation, hanging bar and plate beam

    考慮鍋爐構架鋼結構的特殊形式,研究並提出了站鍋爐鋼結構改造加固研究方法,及分析的具體步驟:建立了鍋爐鋼結構分析模型、地震荷載分析方法、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗側體系模擬分析方法。具體包括:鋼構架本體及構架上荷載、地震載荷與系數確定、制晃裝置確定、吊桿與大板梁簡化。
  3. So choose parameter of damping device with reduce energy storage to improve cvt become and respond effective way of characteristic wink rational, this increases the capacity of sending for raising the dynamic stability of the supervoltage power transmission and transformation system, guarantee power system safe and reliable to run and have important technology economic meanings

    因此,合理地選擇器的參數以降低儲能是改善cvt瞬變響應特性的有效途徑,這對于提高超高壓輸變系統的態穩定性,增大輸送容量,保證系統安全可靠運行具有重要的技術經濟意義。
  4. According to these theories we know the reason of the emergence of low frequency oscillation is lacking positive damping even appearing negative damping. this problem can be classified as dynamic stability

    從而得出,系統低頻振蕩是由於系統正不足甚至產生負而引起的,可以將其歸類為態穩定問題。
  5. Through the deep study of f. d. demello dynamic model of electromechanical transition and synchronous generator theory, we proposed a new control strategy of excitation device that can eliminate the negative - damping phenomenon, which is directly against the cause of producing negative - damping represented as low frequency oscillation in the system

    通過深入研究f . d . demello機暫態的學模型以及同步發機理論,針對系統產生負即低頻振蕩的原因,我們提出了一種新的可消除負現象的勵磁控制策略。
  6. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,態分析系統的輸出特性,在上下行工況中,分析了機軸系粘性系數、軸系摩擦矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  7. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵磁流條件下的理論與測試進行了比較,分析了產生誤差的主要原因;對器產生溫度效應產生的主要原因進行了分析,提出了應該提高磁流變體的溫度穩定性;推導了磁流變體的感性和容性流方程,從理論上分析了磁流變體的感性和容性對器特性的影響。
  8. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振對紅外相機掃描機構轉的影響進行了系統深入的模擬分析:首先在步進機驅矩一定條件下,模擬分析了星體姿態運干擾矩對紅外相機掃描鏡轉的影響;接著建立了步進機的數學模型,在步進機輸入脈沖頻率一定條件下,模擬分析了步進機在矩、干摩擦矩、平臺干擾矩等負載轉矩的共同作用下的轉情況。
  9. Against the status of large scale ultra low frequency air spring vibration isolation platform, which is low damping and poor performance of low frequency, and after analyzing the existing key damping system, a new type differential electromagnetic damping system ( emds ) is developed in this article in order to reduce the resonance peak of the platform effectively and improve the low frequency performance of the platform

    本文針對大型超低頻空氣彈簧隔振平臺小、低頻隔振性能較差的現狀,在比較多種提供的方法后,提出了用作為隔振平臺的,並開發研製了差器系統。該系統可以有效降低隔振平臺的諧振峰值,從而達到了提高隔振平臺低頻性能的目的。
  10. The drive current control method of magnetorheological damper was designed by force error of suspension damper control force and output force of magnetorheological damper

    根據懸架控制與磁流變器輸出誤差,設計了磁流變器驅流控制方法。
  11. 2. prepare the self - adaptive damper which consists of piezoelectric ceramic and er fluids. the experiment show that the resonant peak of the self - adaptive damper minish more than 30 % compared with the damper whose electrostatic field built by piezoelectric ceramic did not charge up er fluids

    結果表明,前者相對於後者,器共振峰被壓抑了60以上,從而證實了壓陶瓷在外壓作用下產生的靜場可以驅流變液; 2
  12. By means of the theoretical analysis of the micromachined vibratory rate gyroscope, we get following conclusions : the microgyroscope can be driven by tangent electrostatic force produced by fence structure electrodes, and the normal electrostatic force can be neglected for the influence of the device property ; the parasitical capacitance and fringing effect can ’ t be neglected for the calculating of the detection capacitance ; the coefficient of damping force is comparatively little when the air damping in the driving mode and the sensing mode of the device is the couette flow damping

    主要內容如下: 1 .分析了微機械陀螺的運特性、靜特性和在大氣下的特性,分析結果表明,可以運用切向靜質量塊振,法向靜對器件特性的影響可以忽略;在計算微結構容時,容的邊緣效應和寄生容不可忽略;在器件所受主要為庫埃特流的情況下,系數較小。
  13. The set of these eigenvalues can be regarded as the eigenvalues of primary system approximately. this method not only can control the scale of the block - decoupling subsystems, but also achieves the reduced - order eigenvalue calculation for multi - machine power system. so this method can avoid the dimension disaster in the qr and calculate all the eigenvalues of large power system with the effect of damping windings considered

    這一方法可以控制分塊解耦子系統的規模,實現多機系統特徵值的降階計算,避免特徵值qr演算法的「維數災難」 ,同時為採用計及發繞組作用的詳細模型計算大型系統的全部特徵值、提高系統小擾穩定分析的準確性提供了一種方法。
  14. Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused

    最後,應用ahrens的磁軸承簡化模型,從maxwell方程出發推導了應用於本文所述的被器的波方程,並用傅立葉級數把矩形磁場展開的諧變磁場作為磁場的邊界條件,通過求解波方程得到磁場的解析解,從而計算了器對轉子的和由渦流引起的切向產生的器附加功耗。
  15. A lumped parameter model was developed for predicting the transient motion of mirrors, taking into account electrostatic and tensile forces and viscous air damping via squeeze film theory

    考慮靜、張和空氣衰減對變形鏡回復過程的影響,建立一種復合參數模型來預測變形鏡的瞬態行為。
  16. In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research

    在基本理論方面,通過對自適應光學,靜,彈性梁理論和擠壓薄膜的研究,確定了微變形鏡的配置方案;在加工方面對體加工工藝, mumps工藝和summit工藝進行了研究與比較,並選用殘余應小,表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計;在分析方面主要對微變形鏡單元的靜態特性,模態特性,瞬態響應,頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究,確定了微變形鏡的性能參數。
  17. In this thesis, a single disk rotor supported by two rolling bearings is used for studies, and a new method of reducing the vibration is proposed. the main works of this thesis are as follows : based on the comparison of various control methods for vibration suppression, a kind of passive electro - magnetic damper is presented. the structure of it is similar to that of the active magnetic bearing

    為了降低轉子的振,增加系統的穩定性,本文在總結當前國內外學者研究的基礎之上,提出了被器的概念,並確立了本文的研究目標和研究方法:以工程應用為背景,結合轉子學理論、磁學理論以及數據採集技術,以理論輔以實驗的方法,對被器特性進行深入研究。
  18. Study on dynamics of mechano - electronic spring - damper system with differential connections

    式機緩沖系統學研究
  19. It is shown that vibration suppression efficiency of these kind of treatments depend much more on the viscoelastic layer thickness, material properties and the piezoelectric layer thickness. secondly, a linear quadratic regulator and output feedback are used to actively control vibration. it is shown that placing the active element on the opposite side of pcld or underneath pcld is capable of vibration suppression with lower control effort and more inherent damping

    定義了主被混合結構控制性能指標:被抑振性能指標、主抑振性能指標、控制能量指標和控制性能指標;然後,基於狀態反饋最優控制律,根據定義的控制性能指標分析粘彈性層厚度、粘彈性材料參數、壓層厚度對主被混合結構振控制性能的影響,得到了一些有價值的結論。
  20. The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,

    最後,論文給出了結倫:磁流變液器是半主控制裝置中非常吸引人的控制元件之一,混合工作模式的磁流變器結構簡單,效果比流模式和剪切模式均要好,是一種比較理想的磁流變器;樞活塞式磁流變器作為混合模式磁流變器的一種結構形式,其結構設計合理,性能良好,具有較強的實用價值,值得在工程中推廣應用;在樞活塞式磁流變器的設計中,應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對器的有明顯的影響,並注意選用合適的磁流變液材料;輸入流對磁流變器的效果影響很大,輸入大流時明顯增大,減振效果明顯提高。
分享友人