抖振計算 的英文怎麼說

中文拼音 [dǒuzhènjìsuàn]
抖振計算 英文
flutter calculation
  • 抖 : 動詞1 （顫動;哆嗦） tremble; shiver; quiver 2 （振動; 甩動） shake; jerk 3 （振作; 鼓起精神） rou...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. There are two implementations for discrete reaching law, both has obvious strongpoint and limi - tations. so the two was synthesized. simulation results showed that the discrete vsc is easier to be implemented by computer control system, and go further in decoupling between chattering control and system dynamics, while the robustness is not so good as continuous time vsc

    本文的另一項工作是在連續系統的基礎上，討論了離散時間變結構控制策略和抖振控制，針對控制量加速度不足，提出了離散趨近律的兩種實現方式，由於兩種實現方式同樣具有明顯的優缺點，因此將兩種方式結合起來，增加了兩個與滑模面平行的切換面作為系統在兩種方式之間切換的界限，並通過計算機模擬驗證控制效果。
  2. All results of analyzing, calculating and wind tunnel test indicate the vibration of yamen bridge pylon were rather serious, so it is necessary to control the wind - induced responses during construction

    計算和風洞試驗均表明，在風荷載作用下該橋塔橫橋向抖振響較為嚴重，需對獨塔施工階段的橫橋向抖振響應進行控制。
  3. One aspect about the studying of bridge buffeting is to simulating natural wind. if the result of its simulation is correct or not, it is directly concerned with veracity of bridge buffeting response

    目前，對橋梁抖振研究的一個方面是風場模擬，風場模擬的結果是否與實際相符直接關繫到橋梁抖振響應計算結果的準確度。
  4. The study on the buffeting responses and damping measures of bridge pylon during construction, including the flowing parts that were the theory of buffeting wind - induced responses, calculation of the buffeting responses of yamen bridge pylon, the theory of vibration control, the tunnel test study on buffeting responses and damping measures of yamen bridge pylon

    橋塔獨塔施工階段抖振響應分析及制振措施的研究主要包括獨塔施工階段抖振響應的理論與計算、結構振動控制措施的理論、風洞試驗研究等幾個方面的內容。
  5. Greatest virtue of the method is always combined with practicality ( wind record is real, site of record is real, the site of bridge is real ), while the method for calculation of buffeting response is a ripe one ? inite method. the method for simulating natural wind field is convenience and workable

    該法的最大特點是始終與實際相結合（風速記錄是實際的、記錄的地點是實際的、選擇的橋梁是實際的） ，而分析抖振響應的計算方法是成熟的?有限元法，模擬風場的方法方便、可行。
  6. An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper ， and the statistic characteristics of the simulated wind field are then discussed on this basis ， the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory ， the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level

    介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法，並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式，其中針對自激力計算中涉及的參數識別問題，提出了一種簡單實用的非線性參數識別方法本文採用上述理論，獲得了作用於香港汀九大橋上的風場和氣動力，據此對大橋進行的抖振響應時域分析表明，計算結果與風洞試驗結果吻合良好，說明文中述及的這套理論已達到實用的階段
  7. In the paper, the wind environment was investigated, at the same time the buffeting responses on the top of yamen bridge pylon under wind were calculated

    本文對崖門大橋所處的風環境進行了研究，並對該橋橋塔在獨塔施工階段的塔頂橫橋向抖振位移進行了計算。
  8. By combining the parameter smooth projection algorithm and the integral - type lyapunov design technology with the sliding mode design technology with boundary layer, the performances for the system to avoid the parameter drift phenomena, the chattering phenomena, and the controller singularity problem were improved

    通過將參數光滑投影演算法，帶飽和層的滑模面設計技術以及積分型李雅普諾夫設計技術集成起來，使得演算法提高了系統在抑制參數漂移、抖振現象、控制器奇異等方面的能力。
  9. Firstly, its natural vibration characteristics are analysised, and the model used for calculating is checked at the same time. then the static analysis under wind load is performed before linear buffeting analysis is done

    對該橋首先進行了自振特性分析，並藉此檢驗所建橋梁計算模型的正確性，其次進行靜風響應分析，最後對全橋做線性抖振分析。
  10. Calculating results show the dynamic amplification coefficient is smaller when the stiffness of the bridge is larger and vices versa

    計算結果顯示，橋梁的剛度越大，由於抖振導致的動力放大系數越小；而橋梁的剛度越小，其動力放大系數越大。
  11. In this paper the author first analysed the wind effects on bridges, and wind - induced vibration is described in particular. second, two methods for wind effects on bridges are discussed, which include the method of gust response factors and the method of buffeting response spectrum. thirdly, from the requirement of practical engineering, the accurate analysis method is simplified according through the parametric analysis, the formula for engineering application of the second method is presented. finally, a realengineering example illustrate the usage of the two methods. and the result of the engineering example show that the stress calculated by buffeting response spectrum method is larger than which calculated from the gust response factor methed, also the temporary method of wind resistant ways for bridge in cantilever state is presented

    第二，分析了橋梁抗風分析的兩種方法，包括基於陣風系數的陣風分析法和抖振反應譜分析法。第三，從工程實際應用出發，通過參數分析，對精確方法進行適當簡化，推導出了橋梁在懸臂施工中的抖振反應譜法的實用計算公式。最後，通過工程實例，採用兩種抗風分析方法分別進行了分析計算，實例分析的計算結果說明反應譜法計算得到的內力大於按陣風系數法得到的內力；同時提出了在懸臂施工狀態工程施工中的臨時抗風措施。
  12. In the recent years, with the development of microcomputer technology and the needs of industrial automation. we use computer to realize the control algorithm. but during the time of realizing the vsc, because of the limits of sampling, the ideal sliding mode does not exist

    近年來，隨著計算機技術的飛速發展和工業自動化領域的實際需要，控制演算法的實現經常利用數字計算機，但當採用數字計算機實現變結構控制演算法時，由於采樣過程的限制，理想的滑動模態不存在，狀態軌跡以抖振的形式沿著滑動平面運動，這是不利於工程的實際應用的。
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