有效阻尼 的英文怎麼說

中文拼音 [yǒuxiào]
有效阻尼 英文
effective damping
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • 有效 : effective; valid; efficacious
  1. Gas - filled shock absorber injected with pure n2, which not only keeps stability of damping force, but also reduce aerification and foaming, meanwhile, extend the effective life

    氣壓式內充入純氮氣,不僅可保持的穩定性,還可減少油液汽化及泡沫化,延長產品壽命。
  2. Magnetic hysteresis is the intrinsic characteristic of mr dampers, which will have more serious effect on the performance of mr dampers

    本文對mr器的固特性磁滯應對控制果的影響進行了研究。
  3. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明,相對于最小二乘法和最小二乘法,基於自然權的加權最小二乘演算法,由於利用了正確的先驗信息,不但使反演過程收斂,而且具數值穩定、抗噪能力強的優點,其成像結果能真實地反映對象內部缺陷,因此更適用於混凝土的超聲波速度反演。
  4. In an ac system with multiple hvdc converters, turbine generators can interact adversely with all the converters through electrical connection, which makes the subsynchronous oscillation more complicated

    並通過對含多個直流換流站系統的電氣特性分析,驗證了該指標的性。
  5. During the simulation of the secondary lateral suspensions for the high speed passenger vehicle with no - bolster bogie, the effective using semi - active control to improve the ride comfort are studied

    通過對採用無搖枕轉向架的高速客車懸掛系統橫向模型的模擬實驗,研究了半主動控制改善車輛運行平穩性的性。
  6. Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability

    基於磁流體所具的特殊性質,將磁流體添加到伺服閥力矩馬達的工作間隙中,一方面磁流體被磁化后可增大銜鐵的力,減少振動;另一方面由於力矩馬達氣隙中磁導率的提高,使氣隙中的磁通量增大,力矩馬達的磁路率和輸出扭矩將增大,因此可以提高力矩馬達的固頻率和伺服閥的響應速度。
  7. By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved

    由於磁流體具較大的導磁率,可提高力矩馬達磁路率、增大力矩馬達的輸出力矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強力矩馬達及抗干擾能力,從而增強伺服閥及伺服控制系統的穩定性。
  8. The experimental results further demonstrate that the combination of incompatibility polydimethylsiloxane and polyacrylate by co - vulcanization improves the both compatibility and broadens the low temperature and high temperature functional region. while in sin, to improve microphase structures and damping properties, the design to increase compatibility between two compositions and modulate crosslinking density as well as relative reaction rate of two compositions, is also effective

    以上實驗結果表明,在復合橡膠材料中將聚硅氧烷與聚丙烯酸酯通過共混硫化相結合,改進了二者的相容性,拓寬了其功能區的低溫和高溫溫域;而在sin中通過改善組四川大學博士學位論文分間相容性,調節交聯密度控制其微相結構和兩種組分相對反應速度的快慢,進而控制材料性能的設計是行之的。
  9. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索:用質量離散化方法把原轉子系統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣法和限元法編制了程序計算系統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變間隙控制油膜剛度和,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行數值模擬,取的了較好的控制果。
  10. The effect of the form of electron distribution function on electron temperature was also discussed in the first part. in the second part, starting from kinetic equations, we discussed stimulated raman scattering ( srs ) by including both landau damping ( ld ) and the collisional damping ( cd )

    第二部分從含限碰撞應的vlasov - maxwell方程組出發,首先推得含碰撞和landau的描述受激raman散射的耦合方程組,然後討論受激raman散射的線性增長率。
  11. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分子材料的有效阻尼功能區是在ipn材料的t _ g區間內,而研究常溫條件下的性能更具重要應用價值,運用動態熱機械分析( dma )儀對ipn材料進行表徵,在5 180內對其損耗因子( tan )進行研究,發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn性能的影響較大,存在一個合理配比值,當pma與粘度為3300pa ? s的pdms之比(質量比)為1 . 17 : 1 、交聯劑用量為1時, tan最大值為0 . 735 ,大於0 . 3的溫域差達到46 。
  12. 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瞬變響應特性的途徑,這對于提高超高壓輸變電系統的動態穩定性,增大輸送容量,保證電力系統安全可靠運行具重要的技術經濟意義。
  13. There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example

    本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究,主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧器兩種控制器做了理論原理和作動器構成上的探討,並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的性。
  14. System imitation analysis in the time domain indicates that the amplitude and peak of displacement at the joint between cable and mast are both reduced, and the fatigue life of guyed mast is increased. adjusting the location of mr damper can efficiently reduce the displacement on the top of guyed mast induced by wind

    模擬分析表明可以地減小桅桿結構纖繩與桿身連接處的位移響應的幅值與峰值,能提高結構的疲勞壽命,通過調節mr器的作用位置可以改善對桅桿頂部位移響應的控制果。
  15. This result testifies not only the efficiency of the two kinds of dampers, but also the superiority of the viscous dampers over viscous - elastic dampers

    證明了粘彈與粘滯裝置對結構振動控制的性,以及粘滯裝置在減震方面的優越性。
  16. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高速旋轉狀態下,採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型,給出了限元法在此問題中的具體應用,並利用i - deas限元分析軟體具體分析了飛輪系統的共振頻率、系統振型,以及對偏心激勵的響應,分析表明:對于高速旋轉的飛輪轉子和轉軸,應考慮陀螺應對其動力學特性的影響,此時系統的固頻率是轉速的函數;通過提高磁軸承的等可顯著降低系統通過共振區域時的振幅。
  17. The experimental results on seismic simulator verify that the mr damper in the passive off mode provided the information on the minimum effectiveness of the damper if the external power was cut off, in which the seismic responsesof the tall building and podiun structure were reduced. when the mr damper worked in the six kinds of semi - active logic control methods, the seismic responses of the two building were further reduced compared with those when the mr damper worked in the passive off mode

    地震模擬振動臺試驗結果表明: mr器的passiveoff方式是外部電源被切斷時的最低控制果,能消除原結構地震反應的鞭梢應,並使主樓和裙房的地震反應一定的減少,六種半主動邏輯控制方法的減振果比passiveoff方式更好,多mr器控制的果優于單mr器。
  18. The pole - placement method is used in the design of controllers. the 4 - machine system example validates the effectiveness of this prony ' s method based damping controller design. 4

    並用4機系統對pss的設計以及tcsc的控制信號選取作為例子表明了本文基於prony方法設計低頻振蕩控制器的性。
  19. Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small

    文摘:把粉體技術首次用於冷鋸機夾盤的減振降噪,通過對其降噪果及頻譜的測量分析,發現粉體不但是一種簡單實用的技術而且對夾盤的強度和固特性影響小。
  20. With pulsating pressures or mechanical vibrations, we use a glycerine filled version of the product and a specially developed throttle section with an effective damping system so that stability and display quality are considerably improved

    壓力波動和機械振動的應用場合,我們通過填充甘油和採用帶系統的節流部件,以提高壓力表的穩定性和讀數準確度。
分享友人