回轉振動 的英文怎麼說
中文拼音 [huízhuǎnzhèndòng]
回轉振動
英文
rotary vibration-
Despite the moon ' s rotational and orbital periods being exactly locked, we may actually observe about 59 % of the moon ' s total surface with repeated observations from earth due to the phenomena of librations and parallax
盡管完全地被鎖的月亮的回轉而軌道的期數，我們由於振動和視差的現象可能實際上用來自地球的重復的觀察觀察大約59 %月亮的完全表面。Rotating vibration generator
回轉振動器The main section of the large - size bearing trouble diagnosis instrument is a microprocessor. it can collect, save, analyse data preliminarily and transfer datum to computer on the work sport
開發易於攜帶、方便現場採集的具有較高采樣頻率、大存儲容量的回轉支承故障檢測儀，以滿足現場採集回轉支承振動信號是十分必要的。Fuzzy monitoring control of phase error for vibration systemwith twin - motor drives rotating in the same direction
同向回轉雙機傳動振動系統相位差的模糊監督控制Characteristics of rotating frequency catching of non - ideal vibration systems
一類非理想振動系統的回轉頻率俘獲特性A semi - analytical method for nonlinear analysis of single piles
樁與滯回阻尼土相互作用時樁基扭轉振動時域響應分析When the shaker is working, its roller screen not only vibrates with the shaker deck, but also slowly rotates with the axis of itself, and the drilling fluids returned from annular space are separated inside the roller screen
工作時篩網筒與篩箱一起振動，同時還繞自身軸線作緩慢的旋轉運動，從環空返回的鉆井液進入篩筒內部進行分離。A virtual balancing method of a flexible rotor based on rotor dynamic and finite element method is proposed in this paper to decrease the vibrations caused by mass unbalancing
摘要為了有效地降低回轉機械由於質量不平衡引起的振動故障，基於轉子動力學理論和有限元數值分析方法，進行了柔性轉子系統虛擬動平衡研究。Among them the flow pulse is more standing - out, which is the main reason of its not more widely used. because high flow pulse will lead to the worse of the smooth movement of hydraulic motor and pipe, also cause pressure pulse which lead to a high noise, and give the destructive damage to the axial, bearing, valve, the connect of pipe etc. how to make the flow pulse low has become the research of scholars of many country
其中流量脈動問題顯得尤其突出，它嚴重製約著齒輪泵的應用，因為泵的流量脈動大，不僅會使液壓缸運動的平穩性、液壓馬達回轉的均勻性性變差，而且會引起壓力脈動，進而使管道、閥門乃至整個系統振動（特別是在共振時） ，並發出很強的噪聲，這對軸、軸承、管接頭及密封都有破壞性影響。It is necessary to establish a new system for steering performance evaluation of electric power steering. this paper analyzes the effect of electric power steering on the steering performance based on it s configuration feature and then the object evaluation of steering performance of electric power steering is studied. the new system of evaluation includes steering maneuvrability, steering returnability, once enter handling performance, steering wheel vibration, servomotion sensitivity and assist characteristic
電動助力轉向是轉向系統中較新的技術，在國內發展很快，關于其性能和可靠性檢測還未有統一的方法及評價標準，本文研究的目的主要是對針對電動助力轉向的結構特點，分析了電動助力轉向對汽車轉向性能的影響，提出從轉向輕便性、轉向回正性、轉向盤中間位置區域性能、轉向盤振動、隨動靈敏度和助力特性等方面進行電動助力轉向系統轉向性能的客觀評價，並探討了相應的評價指標，以及對電動轉向系統的電機減速機構及其控制器、傳感器、提出相應的技術要求與試驗方法。In order to separate the disturbance signal of the external vibration from dynamic balance measuring signal of the precision centrifuge, this paper analyzes the measuring signal of dynamic balance measurement system of the precision centrifuge ( the inertial navigation test equipment ), the rotary center of the rotor acted by the static unbalance and the couple unbalance is studied respectively, the horizontal external vibration from the foundation and the effects of angle vibration on the dynamic measurement are studied respectively
為從精密離心機動平衡測試信號中分離出外界振動的干擾信號，分析了慣導用精密離心機動平衡測試系統的測試信號，研究了靜不平衡與偶不平衡作用下轉子的回轉中心，分析了來自地基水平方向的外界振動及外界角振動對精密離心機動平衡測試的影響。The shocking moment after the complete balance of shocking force can get partial balance through the adjustment of eccentric gear in the attached mechanism
振動力完全平街后機構的振動力矩，可通過調整附加機構中偏心齒輪的回轉中心得到部分平衡。Fault analysis and repair to the strong vibration on converting machine of gas - rotary tow ship
全回轉拖輪旋轉機強烈振動的故障分析與修復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。It can protect the data without electricity. in order to process the collecting signal further, the large - size bearing trouble diagnosis instrument can calculate effective value and peak value of every area
回轉支承故障檢測分析儀能計算出回轉支承每一個區域（將回轉支承等分成36個區域）振動信號的峰值和有效值，為進一步的信號處理提供參考。Because the high frequency of bearings and long cyclic time, the ordinary instrument for the signal collection can not save the large number of datum. development of a type of portable. conveniently on - the - spot collection, high sampling frequency and large memory capacity instruments is very important
由於回轉支承的振動信號頻率較高（一般需要2khz以上的采樣頻率） ，工作一周時間較長（一般在50秒左右） ，所以使用一般的振動信號採集儀無法滿足大容量數據採集存儲的要求。Many useful results can be obtained in the investigation on viscosity of si, ge melt by rotary oscillating
利用回轉振動法對硅、鍺等半導體熔體的粘度進行測試分析，獲得許多有意義的結果。In accordance with the principle of mean square root value of shocking force to be a minimum, the concrete position of the rotary center of eccentric gear was determined
根據振動力矩的均方根值最小原則，確定了偏心齒輪的回轉中心的具體位置。Second, the paper studies the testing project by orthogonal test and the method of principle components analysis to pick up the optimum testing condition. third, the paper analyzes the signal from vibration energy and abrasion degree
通過建立大型回轉軸承裝置的振動模型，以大量的試驗數據為依據，提出了一套從試驗條件與參數的選取到最後分析結論判定的系統方法。Based on the vibration model and testing data, the paper provides a systematic way to not only the choice of testing parameter but also drawing the conclusion. the paper has three parts. first, the paper discusses the vibration mechanism of slew bearing, analyzes features of vibration and signal and deduces the formula of feature frequency and inherent frequency
本文從起重機大型回轉軸承裝置自身的結構特點出發，以結構動力學和信號分析理論為基礎，用現代機械測試與試驗技術為研究手段，從振動的角度對大型回轉軸承裝置的狀態監測與診斷進行了系統的研究。分享友人