立軸轉速 的英文怎麼說

中文拼音 [lìzhóuzhuǎnsù]
立軸轉速 英文
rotational speed of spindle
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  • 轉 : 轉構詞成分。
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. The ( hbnceptiori of equivalent weight is put forward to build the model of rotary kiln " s axial movement by using the law of conservation of momentum

    提出了當量質量的概念，運用動量定律建立起回轉窯軸向運動速度模型。
  2. With the opening of an asia pacific hub at subic bay in the philippines in september 1995, fedex recreated the hub - and - spoke system in asia, allowing overnight intra - asian transport

    隨著1995年9月蘇碧灣亞太轉運中心的成立， fedex創新運用輪軸及輪幅式概念，展開亞洲各地的翌日速遞服務。
  3. On the basic theory of transfer heat, tribology of rolling bearings and rotor dynamics, taking gdz48a electrospindle as an example, the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment, velocities, contact loads, friction heat and stiffness and studies the influences of the friction heat, structure and application parameters on the speed and dynamics

    本文以傳熱學、滾動軸承摩擦學和轉子動力學為理論基礎，以gdz48a型電主軸為例，建立了考慮摩擦熱和預緊方式影響的主軸軸承擬動力學分析模型，分析了軸承的摩擦力矩、運動、載荷和剛度，研究了軸承的熱特性、設計和應用參數對速度和動力學性能的影響，並進行了試驗驗證。
  4. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  5. Xh, xb series high power gear units is a brand - new model of rigid tooth flank gear reducers with wide application areas, which has the feature of large torque range, a design of unit structure modulization capable of horizontal mounting and vertical mounting, three kinds of output shafts - solid shaft, hollow shaft and hollow shaft with shrink disk

    Xh xb斜傘系列大功率減速機xh xb斜傘系列大功率減速機是全新型硬面減速機，具有大轉矩范圍，採用單元結構模塊化設計可臥式安裝也可立式安裝。有實心軸空心軸和收縮盤空心軸輸出。
  6. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高速旋轉狀態下，採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型，給出了有限元法在此問題中的具體應用，並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型，以及對偏心激勵的響應，分析表明：對于高速旋轉的飛輪轉子和轉軸，應考慮陀螺效應對其動力學特性的影響，此時系統的固有頻率是轉速的函數；通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。
  7. The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed

    在綜合考慮影響破碎機效率的各因素的情況下，提出了滿足以力，能量，錘頭穩定性，幾何條件，不發生運動干涉，轉子軸和滾動軸承的強度等約束條件，建立了包含破碎機關鍵參數（錘頭質量m ，軸心o到銷軸錘頭接觸距離r ' ，四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙，錘頭與巖石碰撞到銷軸與錘頭接觸點的距離s ，轉子的速度。
  8. The main contents of this paper are following. ( 1 ) the mechanical models of ball bearings are set up by both the quasi - dynamic method and the finite element method in this paper, and then the load distribution of ball bearings is studied. the rules of the contact angle, the deformation, the stiffness and the limit rotational speed in different structure parameters and load parameters are analyzed

    本文圍繞航空發動機高速滾動軸承的力學特性，開展了以下工作: （ 1 ）分別採用擬動力學法和有限元法，建立了滾動軸承力學分析模型，研究了滾動軸承的載荷分佈特性，分析了不同結構參數和載荷參數對其接觸角、變形、接觸剛度和極限轉速的影響規律。
  9. Consider to simplifying the process of calibrating dynamic error parameters of accelerometer and shortening the time of calibrating test, all dynamic error parameters are calibrated at one - time, based on the mathematic model of dynamic error of accelerometer and integrating the model and the testing theory of the three - axis turntable, meanwhile, the angle - vibration table is avoided

    摘要為了簡化加速度計動態誤差系數的標定過程，縮短標定試驗時間，在建立加速度計動態誤差數學模型的基礎上，結合三軸轉臺模型及測試原理，一次性標定出加速度計動態誤差系數，同時避免了角振動臺的使用。
  10. According to the different work conditions, analysis of the bearings ratio of revolution and rolling were inverted from the slipping of the bearing

    針對實際生產中工況的不同，分2種情況建立高速角接觸球軸承分析計算模型，並將高速角接觸球軸承的旋轉打滑分析轉化為旋滾比的分析。
  11. Spindle speed : forward

    立軸轉速：
  12. By means of the condition of no. 2 kiln " s axial movement and adjustment, the theoretical interpretation and computation are given by the model

    結合2 #窯軸向運動及調控的實際情況，運用所建立的回轉窯軸向運動速度模型對上述方法進行了理論解釋和軸向運動速度計算。
  13. Then a real - time quasi - steady turboshaft twin - engined model is founded by simulating the rotor speed fluctuation

    為模擬大負載情況下旋翼轉速的波動，建立了雙發準定常渦輪軸發動機實時模擬模型。
  14. The control system was modified two separate installations for performing tests on the test - bed. the control parameter of each device is complete same, as to temperature, pressure, rev and test time. the control mode of temperature, pressure and rev was closed loop

    它被改造為在主機上有兩個獨立的試驗裝置，它們的控制參量是完全相同的，分別為溫度、壓力、主軸電動機的轉速和性能試驗時間，其中溫度、壓力、轉速採用閉環控制的方式。
  15. A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm

    闡述了無軸承異步電機的氣隙磁場定向控制策略，採用該非線性控制方法能使無軸承異步電機解耦成轉矩子系統和磁懸浮徑向力子系統，從而可以採用經典pid對這兩個獨立的子系統進行控制，首次實現了系統在0 3000rpm轉速范圍內的穩定懸浮。
  16. Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic

    其次，建立了一個用來模擬簡單汽輪機軸系（只含有短直葉片）的兩端用滑動軸承支撐的jeffcott轉子模型，並用newmark方法求得了系統的周期響應，根據系統的周期響應、 poincare映射圖、頻譜圖、分岔圖等，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  17. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    （ 2 ）建立了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微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  18. This paper focuses on a single - axis speed turntable, generally establishes mechanical and electrical systems in turntable, basing on domestic and abroad research and the acquirement of its predefined function and actual circumstance

    本文以單軸速率搖擺臺為研究對象，在綜述了國內外轉臺研究現狀的基礎上，根據轉臺預定的性能指標要求和實際情況，從總體上建立了轉臺的機械和電控系統。
  19. Dalian dayou precision ceramic bearing co. ltd. is a sister company of dalian dayou advanced ceramic co., ltd. and was established in may 2005. the companys main products are precision ceramic bearings with specifications from 7000c to 7006c and a maximum standard of p4

    大連大友精密陶瓷軸承有限公司成立於2005年，主要生產電主軸用角接觸精密陶瓷軸承，規格範圍目前為7000c hq1p4至7006c hq1p4 ，轉速可達每分鐘6萬轉。
  20. A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication, applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic, and process the vibration signals by means of decomposition and reconstruction, obtaining the vibration signals in different frequency bands, the statistic in frequency domain of relevant frequency bands is served as monitoring feature

    摘要針對紙機壓榨部滾動軸承尺寸大響應弱、運轉速度低、低頻信號容易淹沒、調制源多、振動信號非平穩性等特點而導致常規的傅立葉分析診斷故障效果不佳的情況，提出了一種應用小波變換的時頻分析方法，對振動信號進行分解和重構處理，獲得了振動信號在不同的頻段的分量，提取相應特徵頻段重構分量的功率譜的頻域統計值作為特徵參數，從而實現對軸承故障診斷。
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