阻尼控制面 的英文怎麼說

中文拼音 [kòngzhìmiàn]
阻尼控制面 英文
damping control surface
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Compared with the passive car suspension, the semi - active car suspension system with the intelligent mr damper can control the damping force automatically with the computer control and then enhance the ride comfort and handling stability of the car effectively

    與傳統的汽車被動懸架系統相比,裝有磁流變器的半主動懸架系統,可以根據路狀況和車輛運行狀態,在計算機的下自動調節力,大大提高了汽車乘坐的舒適性和行駛安全性。
  2. A 2dof vehicle structure model with mr damper is established, a sliding model controller is designed, and the real - time control damping force of suspension system is educed

    摘要建立了履帶車輛1 / 2車體振動模型,設計了相應的滑移和滑移模態器,得出了履帶車輛半主動懸掛系統的實時力,並對路激勵下滑模與最優的減振效果進行了模擬。
  3. 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傳遞矩陣法和有限元法編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;並從被動與主動兩方進行數值模擬,取的了較好的效果。
  4. On the basis of theoretic analysis and numeric calculation, the author verifies that only is the ratio of the fundamental period of the structure to the disturbance period beyond 1. 4, it ' s possible to achieve reductions in both the relative displacement and the absolute acceleration responses

    作者在此基礎上,從理論分析和數值計算兩方證明了粘性變僅在結構周期與激勵主周期的比值大於1 4時才有可能同時減小結構的位移反應峰值和加速度反應峰值。
  5. After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis

    如果支撐剛度較小,應採用本文推倒的公式計算裝置的性能參數;利用單質點模型進行結構在簡諧荷載作用下的性能分析,並比較了粘彈性與粘滯結構在振動的性能差異;最後利用數值方法分別對未安裝裝置結構,安裝了粘彈和粘滯裝置的三種結構進行了反應譜和時程分析,得到了與理論分析一致的結果。
  6. 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的有效性,以及粘滯裝置在減震方的優越性。
  7. In order to deal with effect of the high damping, focusing probe with focused sound field is used in testing. the image device of ultrasonic c - scanning, which has functions of ultrasonic testing, pc - based control, data collection, data storage, data processing and image displaying together, is applied in testing for the sake of visual testing result

    為了克服高影響,採用了具有聲束聚焦性能的聚焦換能器對不同形狀的該種復合材料工件進行檢測;為了得到直觀的檢測結果,運用了將超聲檢測與微機和微機進行數據採集、存貯、處理、圖像顯示集合在一起的超聲c掃描成像技術,並得到了工件內部缺陷的橫截圖。
  8. We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise

    在實驗過程中,改進了對車輪的激振方式,利用單擺激振提高了激振力的精度;實驗分析了車輪器的結構、安裝方式及其動力學參數對車輪器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性,確定了車輪器所要的頻率范圍;對比分析不同激振情況下,踏徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。
  9. Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable

    本文在對國內外斜拉索振動研究與應用現狀進行綜合評述、分析的基礎上,針對上述問題進行了深入研究,具體的研究內容和取得的成果包括: 1 、建立了斜拉索-器系統運動方程,對拉索與橋的耦合振動作了分析和研究,數值結果顯示當橋激振頻率等於某階拉索模態頻率的兩倍時,很小的初始擾動將引起拉索的大幅振動,並呈現拍振的特徵,與實測的拍振信號一致。
  10. Based on the transient response, the control effectiveness of the visco - elastic dampers is further demonstrated. according to the lqr optimal control theory, clipped - optimal control arithmetic, and the modified bouc - wen model of the mr dampers, the lqr - clipped semi - active control is proposed. the passive, active, and semi - active control of the cables are analyzed by using the difference discretization model of the cable - dampers system

    結合lqr最優理論、向速度剪切( clipped - optimal )演算法及修正的磁流變( nr )器bouc - wen模型,創新地提出了lqr - clipped半主動演算法,應用拉索振動的差分離散模型,對斜拉索的內振動進行了被動、主動及半主動研究,分析了mr器對斜拉索的振動效果。
  11. An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors

    在ccos模型及理論計算方,提出了一種適用於高次離軸非球最接近球計算的優化演算法,經計算,某矩形離軸非球最接近球半徑的求解精度較傳統的「三點法」有了較大的提高,理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ;提出一種基於磨頭與工件的相對位移量的模型,並且開發了卷積迭代演算法,引入「虛擬加工」的概念進行迭代求解和參數評價。
  12. Thus, more and more experts at home and abroad study on this aspect, and acquire many achievements. but there are many problems about choosing of control current of mr dampers and time - delay existing in mr structure, which require be solving and completing

    因此,國內外已有越來越多的專家學者投入到此方的研究,並已取得了一些成果,但在磁流變電流的精確選擇及磁流變結構的時滯等方仍存在許多問題,有待進一步解決完善。
  13. Hamilton ' s principle are used to obtain equations of motion, which are discretized using finite element method. the frequency dependent damping of viscoelastic layer is modeled using the golla - hughes - mctavish ( ghm ) method and the system is analyzed in the time domain. ghm increases the size of the original system by adding fictitious dissipation coordinates that account for the frequency dependent damping

    本文採用ghm模型描述粘彈性材料的本構關系,根據哈密頓原理分別對附加主動約束層結構( acld )和主被動分離結構( acupcld和acopcld ,其中acupcld結構是將壓電作動層貼于粘彈層的下, acopcld結構是將被動約束層和壓電作動層分別貼于梁的上下表)的梁結構建立了有限元模型,進而得到系統狀態方程。
  14. The realization of this scheme not only can improve the working and living condition on the platform but also can prolong its operational life span. this is bond to bring huge economic profit to offshore engineering, so it has a promising future. to validate the effectiveness of this vibration control method experimentally, a real control system is made to control the vibration of an oil platform model under simulated wave loadings and the experiment will be conducted in the next term

    根據理論分析結果,本文後又針對一個近海平臺的實驗模型給出了該模型在模擬波浪載荷作用下的振動系統設計方案,並進行了系統設計,用於將來的實驗模型振動實驗,以驗證文中所設計變剛度調諧質量器對由波浪載荷引起的平臺振動的效果。
  15. Damping force can be controlled in one of the two ways, open loop control or force feedback control. during research, in this paper, both damping control strategy and the damper modeling are combined in the same system model, and the simulation model

    本文在研究策略時,把策略和可器模型這兩個方結合到系統模型中、融合在模擬實驗環節中。
  16. It has been proved that some structural adjustments may somehow cut down on the surface radiation noise of the engine, thus bringing down the overall noise level. basically it means to increase the structural rigidity and the damping so as to reduce the structural surface response under the same exciting force

    實踐表明,在結構上採取措施可以一定幅度地降低發動機的表輻射噪聲,從而降低整機噪聲。的基本措施是增加結構剛度和,使得在同樣的激振力作用下減少結構表響應。
  17. Prony ' s method is used in transfer function identification, and it is useful for controller design for damping electromechanical oscillations. 3

    最後,把prony方法應用到了傳遞函數的辨識中,為後低頻振蕩的器設計打下基礎。
  18. As for the latter, based on linear quadratic regulator theory and linear quadratic gaussion theory, discussion is carried about parameter optimum of ved whose mechanical model is an equivalent stiffness and equivalent damping one. according to linear quadratic regulator theory matrix elementary transform and least - squares method, formulas about parameter optimum of ved are achieved

    在粘彈性器參數優化方,採用等效剛度和等效為力學模型,基於線性二次型高斯( lqg )最優問題和線性二次型( lqr )最優問題的理論對ved的參數優化進行了討論。
  19. The focus of this dissertation is the extensive research on mr dampers, including devices designing, improvement of the mr damper response time and intelligent control algorithm

    本文對mr器的智能方法進行了系統的研究,並提出了三個方的改進,即器裝置、磁滯效應解決方法和智能方法。
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