振動可傳性 的英文怎麼說
中文拼音 [zhèndòngkězhuànxìng]
振動可傳性
英文
transmissibility of vibration- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
-
If can utilize hall ' s component to measure displacement under the condition of the simple magnetic field, increase the range of measuring ; it inertia little, merit that exposed to make it function in the measurement of vibration and in various kinds of displacement, become a kind of displacement sensor with fine performance. it can solve this difficulty to adopt the feedback servo mechanism
若能在簡單磁場的條件下利用霍爾元件測量位移,增加測量范圍;它慣性小、非接觸的優點將使它在各種位移與振動的測量中發揮作用,成為一種性能優良的位移傳感器。採用反饋隨動機構可解決這個困難。Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed
帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應Abstract : it is expounded the composition and detection method of the diagnostic system of dynamic failure for locomotive running gear. also discussed are the key technologies as ultrasonic resonance demodulation, identification of locomotive type & speed, message sampling of sensors tracing running mechanism and three dimensional diagnosis, as well as the feasibility test
文摘:闡述了機車走行部動態故障診斷系統的組成及檢測方法,介紹了超聲共振解調、車型車速識別、多個傳感器跟蹤運動機械的信息采樣、三維診斷等關鍵技術及其可行性試驗情況。Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment
本文從緩變光纖波導的局部耦合模理論出發,推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律,提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想,並實驗論證了這種新型光纖傳感器應用於實際的可行性。In the lowest order, for the propagation of solitons in an inhomogeneous dusty plasma composed by two kinds of dust grains with different masses, if the interface of two kinds of dust grains in an inhomogenous dusty plasma is discontinuous, the tra nsmision and reflection waves both can be described by the kdv equation
2在非均勻塵埃等離子體中,對于小的、但有限振幅的長波振動,孤子可用kdv方程(或kdv型方程)來描述,而且電勢孤子的傳播情況在定性上與離子等離子體中電勢孤子的傳播情況一致。Quartz tuning fork gyroscope is a new kind of micro - mechanical vibratory angular rate sensor. as it has so many advantages such as low cost, small size, high reliability, long life and the ability to survive in harsh environment, its applications in both military and civil field are expanding. moreover the development of multiplex inertia measuring units ( mimu ), which use micro - mechanical gyros as hardcore, is thriving and prosperous
石英音叉微機械陀螺是一種新型的微機械振動角速度傳感器,由於其具有成本低、尺寸小、可靠性高、壽命長,又能在惡劣環境中工作的獨特優點,逐漸在軍事運用和商業應用方面顯示了廣闊的前景,以微陀螺為核心部件的微慣性測量組合( mimu )的發展也日益蓬勃。Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived
該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數識別及動力模型修改的問題,並給出了該種型號的給水泵轉子的更準確的力學模型,為進一步的轉子動力學分析與設計奠定了可靠基礎; 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。Piezoelectric elements can be used as sensors and induced strain actuators in active vibration control systems. since the positioning of piezoelectric elements can affect control performance greatly, it has to be carefully determined, in this dissertation, detailed theoretical analysis and brief experimental study is made on the optimal positioning of piezoelectric elements for active vibration control applications
在智能結構振動主動控制系統中,壓電元件可以分別作為傳感器和作動器,其在結構中的布置方式對振動控制性能影響很大,是振動主動控制系統設計的重要問題。Thin, soft, the belt is suitable for transmissions with pulleys of small diameter, also suitable for high speed transmission with the velocity up to 40m s ; less vibration, less heat generated, running stable
帶體薄,富有柔軟性,適應帶輪直徑小的傳動,也適應高速傳動,帶速可達40ms振動小,發熱少,運轉平穩。The design methods, such as the theory of mechanism dynamic design, the finite element method and the theory of fuzzy reliability etc, are introduced to study the vibration and structural parameters optimization design of the swing movable teeth drive system. the dissertation includes the following six aspects : a ), the torsional vibration dynamic model of swing movable teeth transmission system ; b ). the torsional and flexural vibrations dynamic analyzing model of swing movable teeth drive ; c )
研究的內容包括以下六個方面: a )擺動活齒減速器傳動系統扭轉振動的動力學建模; b )擺動活齒減速器傳動系統彎、扭耦合振動的動力學分析建模; c )擺動活齒減速器箱體振動的有限元模態分析; d )擺動活齒減速器高速軸的抗共振模糊可靠性設計; e )結構參數對活齒傳動嚙合剛度的影響; f )擺動活齒傳動的模糊可靠性優化設計。Qt4 - 15technology description : qt4 - 15 ( 07 new ) automatic machine concrete block is china ' s national conditions, combining the majority of the old and new customers, improved design a suitable - sized customers from all ynamic machine, the aircraft used plc intelligent control, hydraulic transmission, compression molding, such as vibration workers arts, the production of good quality, high efficiency and reliable operation
15型性能與特點: qt4 - 15型( 07新款)全自動混凝土砌塊成型機是根據我國國情,結合廣大新老客戶要求,設計改良一種適合廣大中小客戶要求全自動成型機,該機採用plc智能控制,液壓傳動,成型振動加壓等工藝,生產質量好、效率高、運行可靠。Qt6 - 20technology description : qt6 - 20 ( 07 new ) with double - layer fabric automatically block molding machine is based on china ' s national conditions, combining the majority of the old and new customers, improved design a suitable - sized customers automatic machine, the aircraft used plc intelligent control, hydraulic transmission, compression molding, such as vibration technology, the production of good quality, high efficiency and reliable operation
20型性能與特點: qt6 - 20型( 07新款)帶雙層全自動布料砌塊成型機是根據我國國情,結合廣大新老客戶要求,設計改良一種適合廣大中小客戶要求全自動成型機,該機採用plc智能控制,液壓傳動,成型振動加壓等工藝,生產質量好、效率高、運行可靠。The results of the studies show that, when fine medium belt, proper load and velocity are selected, the transmission performance of gear with meshed medium belt is superior to invloute gear ' s ; furthermore, it can be lubricated with water, and it ' s effects are almost fine to the lubricant effects with oil. so we can realize a " green lubrication " type of gear transmission
試驗結果表明:選擇適當的介質帶材料和一定的載荷速度條件,帶式嚙合介質齒輪的傳動性能優于漸開線齒輪,並可用水進行潤滑,幾乎達到在油潤滑條件下的效果,實現一種節能、無污染的綠色潤滑齒輪傳動;相對于漸開線齒輪,帶式嚙合介質齒輪具有顯著的減振降噪作用,動態特性優越。The controlled object hyvp ( hydraulic pressure vibration platform ) has the property of big loading pressure and rating power, so it need considerable transmitted and control power, it also has the property of high - level math model, and narrow frequency width in closed - loop, and bad stability. this thesis is based on the hpvs in the “ tiema project ”
被控對象(液壓振動臺)具有負載壓力和額定功率相當大的特點,因此要求傳輸和控制的功率要相當可觀;而且它還具有數學模型階數高、閉環頻帶寬度窄、穩定性差等特點。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。Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis , the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump
文摘:採用具有線性相位的b樣條小波,應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同的頻帶上,且分解結果和原信號長度保持一致,可對信號進行深層次的處理,克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵,為液壓泵的故障診斷提供了依據,並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑This machine employs vibration motor driving gears, which ensures stable operation, sturdy and reliable work, steady performance and low vibration and noise. there ' s no powder and it is easy to operate and to provide maintenance to it
本機採用振動電機傳動機構,運轉平穩,牢固可靠,工藝性能穩定,振動小噪聲小,無粉塵外溢,及操作維修方便。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 this dissertation, structure and material property of piezoelectric laminated shell, construction of analytical model and finite element model, satisfactory reduction of dynamic model ' s order, satisfactory control of vibration, genetic optimization of sensor / actuator units " disposition, system synthesis method and its software realization, are discussed and some useful conclusions for the application are acquired
本文圍繞著壓電層合殼的結構與材料特性、解析模型與有限元模型的構造、數值模擬結果的分析、動力學模型的滿意降階、振動的滿意控制、傳感作動單元位置的遺傳演算法優化、系統設計方法及其軟體實現等諸方面的問題進行了研究與探討,並取得了一些可供應用參考的結論。En iso 13753 mechanical vibration and shock. hand - arm vibration. method for measuring the vibration transmissibility of resilient materials when loaded by the hand - arm system
機械振動和沖擊.手-臂振動.手-臂體系荷載時彈性材料振動可傳遞性測量方法分享友人