進動阻尼器 的英文怎麼說

中文拼音 [jìndòng]
進動阻尼器 英文
precession damping device
  • : 進構詞成分。
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. The results show good effect of semi - active car suspension with mr damper and verify feasibility and advantage of mr damper in car suspension control and in the mean time provide a good future for the development of car absorption of vibration technology

    本文研究證明了磁流變在汽車半主懸架控制系統中良好的減振控制特性,為汽車減振技術的一步發展提供了很好的前景。
  2. Based on the analysis of the dynamic behavior of nanning bridge by means of spatial finite element models, the nonlinear dynamic time history method is used to conduct the sensitivity analysis of the parameters of viscous dampers ( damping constant c and damping exponent ? ) of the bridge and the laws of influence of the parameters on the seismic response thereof have been obtained

    摘要在來用空間有限元模型對南寧大橋力特性分析的基礎上,採用非線性力時程分析方法,對南寧大橋粘滯參數(常數c 、指數? )行敏感性分析,得出粘滯參數對南寧大橋地震響應的影響規律。
  3. The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method

    4 、對拉索-粘性系統的力特性行了研究,得到了拉索剛度、安裝高度及系數等參數對拉索系統模態比的影響規律;根據最優控制原理,提出了一種確定優化系數的方法,該方法確定的系數能保摘要證前幾階模態比得到整體優化,改了現有的設計方法。
  4. According to the shear - type floor model of frame structure, a basic control equation is constructed to analyze the nonlinear seismic responses of structure equipped with edd - bracing system. subsequently the dynamical finite element analysis are carried on to obtain the seismic response of a twelve - floor r. c frame with the three edd - bracing system under minute earthquake and disastrous earthquake, and the conclusions provide useful references for practical earthquake - resistant design

    基於框架結構剪切型層模型,建立了耗能對建築結構非線性地震反應的基本控制方程,由此行了某十二層鋼筋混凝土框架結構設置三種耗能在多遇和罕遇地震下的力有限元分析,為行實際結構設置耗能的抗震設計提供了有益的參考。
  5. The damper is mounted on the free end of the rotor. the experiments done show that the oil whip can be good damped by the passive electromagnetic damper

    在理論計算的基礎上還行了實驗研究,在不停機的條件下,通過被式電磁成功地在線消除了系統的油膜振蕩。
  6. The predigested calculating model about lunar soft - landing damping system is established in the course of landing shock. the dynamic computer simulation model is established according to the structure parameters

    建立了磁流變緩沖系統沖擊時的簡化模型,利用本文建立的力學方程和所用結構參數構建了態模擬模型,並行了計算機模擬。
  7. 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控制方法行了研究,主要對基於線性二次型最優控制原理設計出來的主纜作和主式調諧兩種控制做了理論原理和作構成上的探討,並一步研究了主纜作運用於船舶因波浪砰擊引起的結構振控制的有效性。
  8. 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

    對不同勵磁電流條件下的理論力與測試行了比較,分析了產生誤差的主要原因;對產生溫度效應產生的主要原因行了分析,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特性的影響。
  9. The controllable dampers are designed according to two basic principles which change damping force by changing the flow area of valves in damper and changing flow behaviors of damping oil

    一般根據兩種原理行設計? ?改變通道的流通面積和改變液的流特性。
  10. One of these methods, passive control using viscoelastic or viscous dampers, has been applied to more and more projects in the past, because they can reduce the seismic response effectively, economically and rarely need to be repaired after they are installed

    其中利用粘彈性和粘滯流體對結構行被控制的方法,由於其有效性、經濟性和安裝后不再需要維護,而被越來越多的結構設計所採用。
  11. The dynamic characteristics of structure were calculated and tested. the simulation system was developed with which the seismic responses of the tall building with podium structure using mr single damper / multiple mr dampers were simulated

    設計和製作了mr耦聯的帶裙房高層建築的試驗結構模型,對結構模型的力特性行了理論計算與實時測試。
  12. 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;實驗分析了車輪的結構、安裝方式及其力學參數對車輪降噪效果的影響;也分析了車輪振與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性,確定了車輪所要控制的頻率范圍;對比分析不同激振情況下,踏面徑向振與輻板軸向振對噪聲聲壓級的貢獻比例。
  13. We design a flow mode, mixed mode and shear mode electrorheological dampers

    首先推導其運方程式及理論模式,的模擬。
  14. The soft tissues are discreted to a mass - spring - damper system, and the topologies of the system are described using adjacent tables, the dynamical equations can be constructed based on the data stored in the adjacent tables. the 4th order runge - kutta method is used to integrate the equations of deformation. using computer graphical techniques to display the visual feedback of the deformation

    將連續的軟組織離散為由彈簧-及與其連接的質點構成的離散系統,用鄰接矩陣表示離散系統的拓撲結構,即質點-彈簧間的鄰接關系,依據該信息,可自計算與每個質點連接的彈簧、對接點的粘彈性力的貢獻,然後採用4階runge - kutta方法對得到的微分方程組行數值積分,用opengl技術對得到的模擬結果行圖形繪制。
  15. In view of the progress of mr techniques and automotive suspension techniques, some mr damping techniques for automotive suspension systems, including system theory, experimental investigation, design method, manufacture technique, and models of the dampers, etc. have been presented in this dissertation in order to progress the mr fluids and automotive suspension techniques based on mr damper

    本文根據磁流變技術的研究現狀和汽車懸架技術的發展趨勢,系統研究了汽車磁流變技術,包括:磁流變效應、系統理論、設計方法、實驗研究和力學模型,旨在推磁流變體和磁流變在汽車工程中的應用研究。
  16. Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology

    綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性對斜拉橋拉索的空間振控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外振各階模態可能達到的最大比及相應的最優系數,並對斜拉橋拉索的設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-系統的空間振非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-系統的特性,在各種荷載作用下,對索-系統的非線性瞬態振響應行了研究,從系統響應的角度更加直接地驗證了的控制效果。
  17. 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控制研究與應用現狀行綜合評述、分析的基礎上,針對上述問題行了深入研究,具體的研究內容和取得的成果包括: 1 、建立了斜拉索-系統運方程,對拉索與橋面的耦合振作了分析和研究,數值結果顯示當橋面激振頻率等於某階拉索模態頻率的兩倍時,很小的初始擾將引起拉索的大幅振,並呈現拍振的特徵,與實測的拍振信號一致。
  18. 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最優控制理論、面向速度剪切( clipped - optimal )控制演算法及修正的磁流變( nr )bouc - wen模型,創新地提出了lqr - clipped半主控制演算法,應用拉索振的差分離散模型,對斜拉索的面內振行了被、主及半主控制研究,分析了mr對斜拉索的振控制效果。
  19. Considering the nonlinear characteristic of dampers, computing simulation and analysis of the seismic response for high efficient damper suitable for muti - structure system ( hedms ) and system parameters " influence on control effect have been done

    考慮的非線性滯回特性,對兩結構高效被控制體系( hedms )的地震反應及體系參數對控制效果的影響行了模擬分析。
  20. The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation

    摘要研究利用形狀記憶合金的超彈性和擠壓油膜控制轉子振,利用形狀記憶合金在超彈性狀態下的應力應變曲線,建立了新的系統振方程,運用非線性理論和運穩定性理論研究轉子在形狀記憶合金控制下的振狀態,討論了系統的穩定性條件,獲得系統發生分岔時系統參數之間的關系;並提出了通過改變參數來提高系統穩定性和抑制振幅的方法,最後通過模擬驗證了改后的系統振抑制效果。
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