過阻尼型 的英文怎麼說

中文拼音 [guòxíng]
過阻尼型 英文
overdamped version
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 名詞(尼姑) buddhist nun
  1. Taking into account of magnetic hysteresis of mr dampers, revised bingham model for mr dampers is proposed in this dissertation

    該模得到樣本數據,建立了能夠模擬mr器逆向工作特性的逆模式神經網路模
  2. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通分析一種分體式充氣可調減振器的結構和工作原理,運用流體力學理論,建立了該減振器特性的非線性參數化模,模擬分析了活塞閥孔徑、調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器性能的影響,通試驗測試,得到了減振器樣件的特性及其可調范圍。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模,對中國古代木結構中的典構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模材料的變形模量、極限承載力、極限變形等參量; (三)通柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通抬梁式殿堂間架模振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、特性及比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  4. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向運動的體微機械器件,其周圍空氣表現為滑膜。本文基於滑膜的兩個模,通改變振子與襯底的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等參數,研究了這些參數對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器特性的影響。
  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

    對採用無搖枕轉向架的高速客車懸掛系統橫向模的模擬實驗,研究了半主動控制改善車輛運行平穩性的有效性。
  6. A test has been carried out on three typical bridges sectional models of flutter derivatives to find the general rules with the change of flutter derivatives of the bridges sectional model. and it has been discovered that this change depend on the torsional damping, an element closely relating to the h * 2 and a * 2 4

    對三種典斷面顫振導數的測試,考查了各顫振導數隨斷面形狀的變化趨勢,說明了最主要的變化體現在與扭轉有關的h _ 2和a _ 2項。
  7. The paper discusses how to reconstruct the 3d model of alimentary canal from many medical tomographic images using the computer 3d visualization technology, explains the work principle of its operation signal gathering devices and feedback force controlling devices, and describes the mass - spring / damper simulation model used in the software emulation

    主要討論了通計算機三維可視技術,對醫學斷層影像重建得到三維訓練模;並講解系統外設實現操作量採集和力反饋的工作原理,以及系統模擬軟體採用的質點彈簧物理模擬模
  8. 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

    深入研究f . d . demello機電暫態的動力學模以及同步發電機理論,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。
  9. The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy, which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification. now the main devices which have been developed in the passive control may be grouped into the following types : viscous, visco - elastic, metallic and frictional, and tuned mass damper ( tmd ) and tuned liquid damper ( tld )

    被動控制通附加裝置耗散或吸收大部分的地震動能量以達到減振的目的,由於其控制裝置簡單,不需要外界能源輸入和系統識別,容易在工程上實現並已得到廣泛的應用;目前被應用於結構被動控制的器主要有:粘滯、粘彈、摩擦、調諧質量器( tmd )和調諧液體器( tld ) 。
  10. 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,給出了有限元法在此問題中的具體應用,並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振,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,應考慮陀螺效應對其動力學特性的影響,此時系統的固有頻率是轉速的函數;通提高磁軸承的等效可顯著降低系統通共振區域時的振幅。
  11. The concept of the roof mr intelligent isolation system is presented in this paper, and this control system to the ship lift structure is applied to reduce the seismic whipping effect in the top machinery building. a modified bingham model is proposed to simulate the mechanical model of a controlled ship lift structure with roof mr isolation systems is established. consequently, the dynamic equation of the controlled structure system is obtained

    本文提出了屋蓋mr智能隔震系統的概念,並將該控制系統運用於對升船機頂部廠房地震鞭梢效應的智能控制。提出了mr器修正的bingham模。通實驗分析了mr器的力學性能。
  12. In this paper, to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity, the normal contact model is established based on the hertz theory and non - linear damping term, the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process, and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation

    針對在重力場下作大范圍回轉運動的柔性梁與一固定斜面發生斜碰撞的情況,根據hertz接觸理論和非線性項建立法向碰撞接觸模。引入線性切線接觸剛度建立切向碰撞接觸模,以考慮接觸程中由於切向相對速度的換向作用引起的摩擦力的變化。利用假設模態法和lagrangian方程建立系統含碰撞程的一致線性化的動力學模
  13. This paper first present concept of new type damping spring, then through four types circular spring ' s experiment when filled with tinsel and soaked with pitch, to study its vary rules of damping

    本文首先提出了新彈簧的概念,通對4種不同規格圓柱螺旋彈簧塞金屬絲和浸瀝青的試驗研究,探討了其變化規律。
  14. Large water tanks at the tops of buildings could act as mass dampers to counteract any swaying from extreme lateral loads and as reservoirs for deluging fires

    屋頂上裝設大儲水槽,可以發揮質量器的功能,抵消因為側面負載重導致的傾斜,此外,也可以用來撲滅大火。
  15. Simulation results show that the method is very simple to application and has also a good precision. non - parameter neural network model of the cable - damper system is formatted. based on the damping force and responses for past time steps, responses at the next time step can be predicted accurately with the non - parameter model

    3 、應用神經網路技術對參數識別和非參數化建模問題進行了研究,提出一種直接識別結構物理參數的神經網路識別方法,該方法演算法簡單,識別精度高;建立了拉索-器系統的非參數神經網路模,該模根據去幾個時間步的力及結構響應能精確預測下一時間步的響應。
  16. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振分解法在迭代計算程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振分解法用於非比例結構分析時產生的誤差,引入狀態空間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例結構設計的雙反應譜方法;對于耗能器的數量和位置優化進行了一些探討和研究。
  17. In view of at present on the solid bridge the high - damping rubber dampers use the press capability of high damping rubber, the material utilization ratio is low, in this paper, the high damping rubber shearing damper has been put forward. by way of shearing capability trial of the high damping rubber damper test objects, the effects of laws concerning frequencies, temperatures and layer ' s thickness on the behavior of the damper are obtained ; and one kind of simple and convenient design method of high damping rubber shearing damper has put forward. finally high - damping rubber shearing damper is in simple comparison with viscous shearing damper

    鑒于目前實橋上高橡膠圈是利用的高橡膠的擠壓性能,材料利用率低,本文提出了剪切的高橡膠減振器,通橡膠減振器試件剪切性能試驗,獲得了頻率、應變幅值,厚度等各種參數對高橡膠減振器試件的影響規律,並提出了一種簡便的高橡膠剪切拉索減振器的設計方法,最後並與粘性剪切器做了簡單比較。
  18. The main contributions of the dissertation are as follows : on the basis of experimental results, the operational effects, such as the magnitude of magnetic field, the temperature and the rate of shear strain, on the shear stress of the mr fluid are shown and models of the quasi - bingham model and a nonlinear model for the shear stress of the mr fluid also are developed, in which the characteristic of " shear - thin " of the mr fluid is described

    論文的主要貢獻如下:通測試磁流變液剪切應力與磁感強度、剪切應變速率、溫度的變化規律,建立了能反映磁流變液剪切變稀現象的剪切應力與剪切應變速率的磁流變液模。根據磁流變液模,從理論上建立了能在較寬的電壓內范圍比較準確地預報磁流變器輸出力的近似公式。
  19. The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance

    解析模以分層介質中的波動理論為基礎,建立了等效參數的概念,並運用聲抗的復數表示法把層對介質層聲能吸收的影響都考慮進去,通比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的效率。
  20. The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis

    以頻域內四輪隨機激勵作為系統輸入,用matlab模擬低地板城市客車等三種車人椅系統三向加速度功率譜的變化規律,逐項分析車速、懸架剛度與參數變化對車輛平順性的影響,通與相關研究結果的比較及理論分析驗證了模的合理性。
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