機械振動學 的英文怎麼說

中文拼音 [jīxièzhèndòngxué]
機械振動學 英文
machinery vibration
  • 機 : machineengine
  • 械 : 名詞1. （器械） tool; instrument 2. （武器） weapon 3. [書面語] （枷和鐐銬之類的刑具） fetters, shackles, etc
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 機械 : 1. （利用力學原理組成的各種裝置） machinery; machine; mechanism 2. （死板; 刻板） mechanical; inflexible; rigid
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  2. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。
  3. In the mechanical systems, gear driving is one of the most widely used driving ways, so the analysis and control of its dynamics is the focus of the current research

    齒輪傳動是機械繫統中應用最為廣泛的傳動形式，其動力學分析和振動控制一直受到人們的重視。
  4. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題，隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微，因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此，中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上，提出了控制束暈?混沌的非線性控制策略，即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g ：並選取一些非線性函數如等進行了控制的模擬研究，將束暈強度控制在0 . 1078左右，取得了初步的控制效果。
  5. Chaotic vibration is a new discipline originated from the combination of chaos theory with mechanics

    混沌振動是混沌理論與機械振動理論相結合而形成的一門新興學科。
  6. Vibration table is a kind of standard experiment equipment which is used to provide classical vibration conditions, simulate and reappear the environment, test and evaluate the mechanical function of all kinds of engineering equipment

    振動臺是一種在實驗室內提供典型振動條件或模擬再現環境、用以檢驗和評價各類工程裝置及設備機械力學性能的標準試驗設備。
  7. Vibration measurement and analysis technology is the important branch of mechanical dynamics, and it is the universal aspect of the application of the mechanical dynamic engineering

    振動測試與信號分析技術是機械動力學學科的重要分支之一，是機械動力學工程應用的一個極為普遍的方面。
  8. Abstract : a new student experiment of spring vibrator is reported. the data measured by a force sensor and a distance sensor are analysed by a computer real - timely

    文摘:通過力傳感器和距離傳感器測量彈簧振動時的力學量，並用計算機分析彈簧振子各力學量之間的關系，實現對彈簧振動特性的實時測量，為深入認識機械振動的特性提供了有用的實驗手段
  9. According to the principle of mechanical vibration, through qualitative and quantitative analysis the paper research the vibration transportation mechanisms of the rice seeding thrower, and establish mathematic models and parameter relation of the mechanism ' s locomotion

    根據機械振動學原理，對水稻拋秧機的振動輸送機構進行了機構學分析並建立機構運動數學模型和參數關系，對設計的振動機構有定性和定量的分析。
  10. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速度的不斷提高和新型材料、新型結構的推廣應用，旋轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來，隨著非線性科學研究的深入和滲透，轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發，綜述了近年來轉子系統非線性振動研究的主要進展，總結了轉子系統中出現的典型非線性動力現象及其產生機理，目的在於豐富旋轉機械故障診斷知識庫.參55
  11. In the first part : in combination of the modern theory with the theory of mechanical vibration, the basic principles and approaches for active vibration control are systematically and briefly discussed. the corresponding mathematical model is developed for the systems with single degree of freedom ; the regulation rules and fundamental solutions of the transfer functions of the system are analyzed

    第一部分是將現代控制理論和機械振動理論結合起來，系統地闡述了振動主動控制的基本原理和分析方法，推導了適合內燃機整機振動的單變量系統的典型反饋控制形式及其數學模型，分析了系統的傳遞函數。
  12. Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift

    第三章運用流固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程，利用有限元法對其的動態特性進行了研究，得到了在流固耦合場下運動部件存在的附加質量，該附加質量導致固有頻率下降，單位推力下的加速度頻響曲線整體下移。
  13. G. lefeuve - mesgouez, d. le houedec, a. t. peplow, “ ground vibrations in the vicinity of a high - speed moving harmonic strip load ”, journal of sound and vibration, 231 ( 2000 ), 1289 - 1309

    魏全， 「高速鐵路受移動負載時對地表振動影響之研究」 ，國立中正大學機械工程學研究所碩士論文， 2000年6月。
  14. De - noising technique for vibration signals of rotating machinery based on mathematical morphology filter

    基於數學形態學的旋轉機械振動信號降噪方法
  15. The bic method generalized from ar model was adopted to determine the number of input neurons in grnn prediction model. the grnn was applied to single - step and multi - step ahead prediction of the vibration time series of a rotating machine, and its performance was compared with that of 3 - layers perceptrons network with error back propagation training algorithm ( bpnn ). it is indicated that the grnn is more appropriate for prediction of time series than the bpnn, and the performance of grnn is qualified even with sparse sample data

    研究了基於廣義回歸神經網路（ grnn ）的大型旋轉機械振動狀態預測，提出了應用bic準則確定grnn預測模型輸入神經元數目的方法，將grnn用於大型機組振動峰?峰值時間序列的預測，與採用誤差反向傳播學習演算法的三層前饋感知器網路（ bpnn ）的預測結果對比表明， grnn的預測性能優于bpnn ，而且，即使樣本數據稀少，也能獲得滿意的預測結果。
  16. Applications to traffic problems, flows in rivers, internal waves, mechanical vibrations and other problems in the physical world

    運輸問題，河流量問題，內波問題，機械振動和其他物理學問題的應用。
  17. We explore a creative teaching method. by making use of harmonic oscillator model and single pendulum model. single pendulum model is good for learners to find a solution to a problem, and it helps to forming good cognitive structure

    重點是利用彈簧振子和單擺兩個模型對《機械振動》單元教學進行的新探索，同時介紹了利用單擺模型幫助學生解決物理問題，形成良好知識結構的實例。
  18. On the relationship between mechanical vibration and math

    機械振動與數學的關系初探
  19. On the basis of dynamic control requirements of inertial vibrating feeder for automatic conveying system, and dynamic characteristics of inertial vibrating feeder different from those of other machine, this paper provided the selection and calculation of the frequency control scheme for the feeder

    根據自動化的物料輸送系統對慣性振動給料機動態調節的要求及給料機不同於其他其它機械的動力學特點，給出了慣性振動給料機變頻調速方案的選擇和計算。
  20. The details are studied as follows : chapter one briefly introduces the general situation of vibration monitoring and faults diagnosis of the rotating machine. the developing and the current situations of the multivariate dynamic pattern recognition theories are summarized. at last, the background, main contents, general structure scheme and innovation points of this dissertation are present

    全文主要研究內容如下：第一章：介紹了旋轉機械振動監測和診斷的概況；綜述了多變量動態模式識別理論的發展和研究現狀；結合國家自然科學基金提出了本文的研究內容；最後，給出了本文的總體框架和創新之處。
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