抖振研究 的英文怎麼說

中文拼音 [dǒuzhènyánjiū]
抖振研究 英文
buffet investigation
  • 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
  • 研 : 研同 「硯」
  • 究 : Ⅰ動詞（仔細推求; 追查） study carefully; go into; investigate Ⅱ副詞[書面語] （到底; 究竟） actually; really; after all
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. In study of the submarine movement in deep sea a new approach with fuzzy sliding - mode control and double - gene genetic algorithm is proposed for designing combined maneuvering control system of submarines. simulation results showed that the approach not only remains robustness of sliding - mode control, but also avoids thq effect of chattering phenomenon, possess better performance of the system

    在研究潛艇在深海航行的操縱控制中，首次提出了具有雙基因遺傳演算法的模糊滑模控制器的新方法，模擬結果表明了該方法不僅避免了抖振的影響，而且具有很好的系統性能。
  2. Investigation of modeling techniques for helicopter structure dynamic behaviour

    飛機抖振問題研究進展
  3. On buffeting dynamic properties of membrane structures

    索膜結構的抖振動力特性研究
  4. So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed

    由於控制量相對受限制，並且主要體現在控制量加速不足方面，無法實現理想的滑模變結構控制，因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制，包括變結構控制三要素，尤其是到達條件；並且針對塞棒掛渣問題，給出了該情況下抖振的表達式；魯棒性方面，分析了外界擾動對準滑模運動的影響，並且給出了外擾作用下抖振的表達式。
  5. In this paper, the achievements of study on wind - induced vibration, especially on flutter and buffeting, of long - span bridges

    在簡要回顧國內外關于橋梁兩種主要風振顫振及抖振控制研究的基礎上，對大跨徑橋梁的風振提出了控制措施。
  6. The wind - tunnel investigation of the characteristics and mechanism of twin - vertical tail buffet of leading - edge extension configuration

    邊條翼布局雙垂尾抖振特性與機理風洞實驗研究
  7. 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。
  8. In the paper, the computing method based on the non - steady wind pressure in frequency domain is applied to the calculation of roof structure of shanghai south railway station

    摘要為了研究結構參數對復雜大跨空間結構風致振動的影響，以上海南站工程屋蓋結構為例，利用基於非定常風荷載的風致動力響應頻域分析方法，對結構的抖振響應進行參數分析。
  9. 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。
  10. 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。
  11. The results of the wind tunnel test, which were made to research the effect of tmd indicates the tmd was suitable and useful for yamen bridge pylon tower

    為研究tmd對崖門橋塔的減振效果而進行的風洞試驗表明，用於該橋塔的tmd設計合理，對橋塔的橫橋向抖振有較好的抑制作用。
  12. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。
  13. Because popular simulative tools can not test the output jitter of the oscillator, so with the help of the previous research, we estimate the jitter of the oscillator

    由於目前較為普遍的模擬工具沒有提供對振蕩器的輸出抖動進行測試的方法，因此本文在前人的研究基礎上，採取了估算的方法，對弛張振蕩器的輸出抖動作了初步估算。
  14. This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on

    研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長，干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感，干涉圖不穩定等問題，提出了激光波長掃描干涉測試方法，該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析，克服了上述缺點，為大型高精度非球面的檢測提供了一種適用的方法。
  15. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on

    研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長，干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感，干涉圖不穩定等問題，提出了激光波長掃描干涉測試方法，該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析，克服了上述缺點，為大型高精度非球面的檢測提供了一種適用的方法。
  16. The main contents in this dissertation include : the present status, both the dvsc and vsc with time - delay are analyzed all round

    因此，對抖振的消除或者削弱問題一直以來受到研究人員們的重視。
  17. The state trajectory of system is chattering, which restrict it ' s actual applications. in the circumstances, the arrival condition and the existence condition have been changed. it is significant to study discrete - time vsc ( dvsc ) to reduce chattering of sliding mode

    同時，在離散的情況下，滑動模態的性質、存在條件及其到達條件都已經改變，因此研究離散時間系統變結構控制方法對降低抖振具有重要的理論價值和實際意義。
  18. Different filtering methods have been tested to examine the effects of all kinds of filters. the correction of inertial sensor errors, navigation algorithm, coning motion, and sculling motion have also been investigated. based on the above works, the initial alignment on stationary base using imu with mdrlg has been carried out, and an usable navigation software has been completed

    對機抖激光陀螺引起的高頻振動的補償方法進行了研究，對不同的濾波方法進行了試驗;對機抖激光陀螺捷聯系統的儀表誤差補償、導航解算演算法、圓錐補償演算法和劃槳效應補償方法進行了研究;對靜基座條件下機抖激光陀螺捷聯慣導系統的初始對準方法進行了研究，編寫了實用的導航軟體。
  19. But its performance is as same as common pll at a 5v voltage. so the pll performance is better than other plls at a 5v voltage, especially in power consumption and frequency. finally, the improved pll circuit used in the frequency synthesizer is composed of the improved vco, phase / frequency detector and charge pump. hspice simulation results show that the pll performance is better than other plls implemented by other vco in the same cmos technology

    綜合以上的研究與設計，本文用所改進的壓控振蕩器、無死區鑒相器及電荷泵電路組成了用於頻率合成的鎖相環電路，並對此電路進行整體設計及模擬，結果表明其在鎖定時間、頻率范圍、輸出相位抖動及功耗方面具有較好的性能，且對提高鎖相環頻率合成器的整體性能有一定的作用。
  20. At the same time, the technology of frequency synthesis is developing rapidly and it requires much better performance on its reference source - crystal oscillator. so, it is significant for practical applications and development of theory to make researches on crystal oscillator ' s phase noise and phase jitter, and improve its performance fundamentally

    同時隨著頻率合成技術的迅猛發展，對晶體振蕩器參考源的要求也越來越高，研究頻率源信號的相位抖動和相位噪聲，從根本上改善頻率源的性能，對于這一學科的理論發展和實際應用都具有重要的意義。
分享友人
分享到 Line

分享到臉書