擺振動 的英文怎麼說
中文拼音 [bǎizhèndòng]
擺振動
英文
pendular oscillation-
Dynamics analysis for coupled pendulum and beam system
梁擺系統耦合振動分析It is applied to sorts of locomotive engine, in course of revolving of crank and connecting rod mechanism, there are revolving of the crankshaft, swinging of the connecting rod and reciprocating motion, so its motion state is complex, and periodic unbalanced force, by a few components, is great
曲柄連桿機構在高速運轉過程中，有曲軸的轉動、連桿的擺動及活塞的往復運動，其運動狀態復雜，各個部件所產生的周期性不平衡慣性力大，是引起發動機振動的主要原因。The convert and evolution course of periodical response, quasi - periodical response, double - periodical bifurcation, chaos of the system response is analyzed. ( 3 ). it is deduced that the general differential equation of bending - torsional - pendular coupling vibration about rotor with the gyroscopic moment
（ 3 ）推導了一般意義下，考慮陀螺力矩的單盤轉子彎扭擺耦合振動非線性方程，基於該方程，推出了不平衡轉子和碰摩轉子的非線性彎扭擺耦合振動方程。On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced. the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system
應用數值方法研究了碰摩轉子的彎扭擺耦合振動相應的復雜動力學行為，重點研究了轉子轉速、偏心量等系統參數對碰摩轉子彎扭擺耦合振動的分岔和混沌行為的影響以及扭轉振動和擺動振動對彎曲振動的影響。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。Christian religious leaders made a resolution to get rid of reincarnation from the original teaching because they were afraid that if people were conscious of a new chance in a next life, they would not be afraid of sin - mistake ( which is human nature ) so much, they would loose fear ( coarse vibrations ? food for saurians ) from higher authorities
基督的宗教領袖做出了一個決定擺脫從最初的教學再賦與肉體，因為他們害怕如果人意識到有下一世生活的新機會，他們就不會如此害怕過錯（人的天性） ，他們會放鬆來自更高權威的恐懼（粗糙的振動-蜥蜴類的食物） 。Vehicle steering system shimmy is a very especially complex vibration
車輛轉向系統的擺振是一種相當復雜的振動現象。It should be noted that the vibration is not wig-wag.
要注意，這里講的振動不是搖擺。Dipl. ing. eugen vom cleff gmbh offers offers on shaft seals, o rings and hydraulic packings. additionally also on radial shaft sealing rings and shaft seals
該企業為您提供阻尼器、減震器、消聲器、減擺器、扭轉振動減振器、汽船、調節風門、阻尼裝置、密封環和緩沖裝置以及棒料密閉和自緊油封的報價。An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time
第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。So it is very important to monitor vibration, temperature, and other parameter
對機組振動、擺度、溫度以及其它影響機組運行的參數的監測就顯得至關重要。After several times of dynamic balance tests and modifications, the vibration and swing of generating units are controlled within the allowances
通過多次動平衡試驗與校正，使機組的振動與擺度控制在規范允許的范圍內。At last, a set of online monitoring of hydropower unit vibration and analyzing system is developed, including ipc, a / d cards, vibration sensors and correlative modules
最後研製了一套由工控機、 a d卡、振動、擺度傳感器及相關模塊組成的振動在線監測與分析系統。This system uses multicenter synchronization sampling and dma sampling control method, which has high sampling frequency. the system can realize displaying and analyzing in real time
該系統採用多通道同步採集，采樣頻率高，且採用dma控制方式，實時性強，能夠實現振動、擺度信號實時顯示和分析等功能。Due to the vibration and swing of generating units of wujiangdu hydropower station are larger than specifications when its capacity is added, the authors analysis the reasons and provide the measure of weight correction
摘要針對烏江渡水電站增容改造后1號機組振動擺度偏大的現象，分析了引起機組振動擺度過大的原因，並提出了配重校正的措施。What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor
本文主要進行了以下工作：分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵，對機組的振動、擺度和壓力脈動測點進行了選擇和布置，並選用相應傳感器進行監測。The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network
利用小波包分析，將擺式車體試驗臺上採集到的振動加速度信號分解在相互獨立的頻帶之p內，各頻帶內的能量值形成一個向量，將其作為神經網路的輸入特徵向量， 。This article first discusses the vibration plane and its movement on the basis of complex analysis, and then describes the vibration plane of foucault pendulum intuitively, building up the mathematical models of foucault pendulum ' s vibration plane by matlab
摘要用復變函數討論傅科擺的振動面及運動情況，在此基礎上用建立傅科擺振動面的數學模型，直觀地描述了傅科擺振動面。The experiment results show that when other initial parameters are kept constant, the heat and mass transfer of falling film absorption under the condition of normal vacillation of fishing vessels is better than that in static status ; the amplitude and period of vacillation directly influence the performance of the absorber and an adequate decrease of vacillation period or vacillation amplitude is beneficial to the absorption performance
實驗結果表明，當其他初始參數一定時，在漁船常見的搖擺振動條件下，降膜吸收器的熱、質傳遞優于靜態下的情形；搖擺振動頻率和幅度直接影響降膜吸收性能，適當減小搖擺周期或搖擺幅度均有利於提高降膜吸收性能。An experimental apparatus of falling film absorption in a vacillating is set up to check the reliability of theoretical model and to have a deep understanding of heat and transfer of practical falling film absorption ; falling film absorption with tfe / nmp solution in a static vertical tube and that in a vacillating tube are investigated respectively
為驗證理論模型的可靠性並進一步深入了解實際搖擺降膜吸收過程中熱、質傳遞規律，自建了搖擺振動單管吸收試驗臺；分別對靜止和搖擺狀態下tfe / nmp垂直管內降膜吸收進行實驗研究。分享友人